1810 lines
56 KiB
Plaintext
1810 lines
56 KiB
Plaintext
# functions-common - Common functions used by DevStack components
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#
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# The canonical copy of this file is maintained in the DevStack repo.
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# All modifications should be made there and then sync'ed to other repos
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# as required.
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#
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# This file is sorted alphabetically within the function groups.
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#
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# - Config Functions
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# - Control Functions
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# - Distro Functions
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# - Git Functions
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# - OpenStack Functions
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# - Package Functions
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# - Process Functions
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# - Python Functions
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# - Service Functions
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# - System Functions
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#
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# The following variables are assumed to be defined by certain functions:
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#
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# - ``ENABLED_SERVICES``
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# - ``ERROR_ON_CLONE``
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# - ``FILES``
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# - ``OFFLINE``
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# - ``PIP_DOWNLOAD_CACHE``
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# - ``PIP_USE_MIRRORS``
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# - ``RECLONE``
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# - ``REQUIREMENTS_DIR``
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# - ``STACK_USER``
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# - ``TRACK_DEPENDS``
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# - ``UNDO_REQUIREMENTS``
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# - ``http_proxy``, ``https_proxy``, ``no_proxy``
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# Save trace setting
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XTRACE=$(set +o | grep xtrace)
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set +o xtrace
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# Global Config Variables
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declare -A GITREPO
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declare -A GITBRANCH
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declare -A GITDIR
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# Config Functions
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# ================
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# Append a new option in an ini file without replacing the old value
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# iniadd config-file section option value1 value2 value3 ...
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function iniadd {
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local xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local file=$1
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local section=$2
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local option=$3
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shift 3
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local values="$(iniget_multiline $file $section $option) $@"
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iniset_multiline $file $section $option $values
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$xtrace
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}
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# Comment an option in an INI file
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# inicomment config-file section option
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function inicomment {
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local xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local file=$1
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local section=$2
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local option=$3
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sed -i -e "/^\[$section\]/,/^\[.*\]/ s|^\($option[ \t]*=.*$\)|#\1|" "$file"
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$xtrace
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}
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# Get an option from an INI file
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# iniget config-file section option
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function iniget {
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local xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local file=$1
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local section=$2
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local option=$3
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local line
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line=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ p; }" "$file")
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echo ${line#*=}
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$xtrace
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}
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# Get a multiple line option from an INI file
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# iniget_multiline config-file section option
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function iniget_multiline {
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local xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local file=$1
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local section=$2
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local option=$3
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local values
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values=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { s/^$option[ \t]*=[ \t]*//gp; }" "$file")
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echo ${values}
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$xtrace
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}
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# Determinate is the given option present in the INI file
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# ini_has_option config-file section option
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function ini_has_option {
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local xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local file=$1
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local section=$2
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local option=$3
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local line
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line=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ p; }" "$file")
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$xtrace
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[ -n "$line" ]
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}
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# Set an option in an INI file
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# iniset config-file section option value
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function iniset {
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local xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local file=$1
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local section=$2
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local option=$3
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local value=$4
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[[ -z $section || -z $option ]] && return
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if ! grep -q "^\[$section\]" "$file" 2>/dev/null; then
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# Add section at the end
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echo -e "\n[$section]" >>"$file"
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fi
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if ! ini_has_option "$file" "$section" "$option"; then
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# Add it
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sed -i -e "/^\[$section\]/ a\\
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$option = $value
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" "$file"
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else
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local sep=$(echo -ne "\x01")
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# Replace it
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sed -i -e '/^\['${section}'\]/,/^\[.*\]/ s'${sep}'^\('${option}'[ \t]*=[ \t]*\).*$'${sep}'\1'"${value}"${sep} "$file"
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fi
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$xtrace
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}
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# Set a multiple line option in an INI file
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# iniset_multiline config-file section option value1 value2 valu3 ...
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function iniset_multiline {
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local xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local file=$1
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local section=$2
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local option=$3
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shift 3
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local values
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for v in $@; do
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# The later sed command inserts each new value in the line next to
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# the section identifier, which causes the values to be inserted in
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# the reverse order. Do a reverse here to keep the original order.
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values="$v ${values}"
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done
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if ! grep -q "^\[$section\]" "$file"; then
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# Add section at the end
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echo -e "\n[$section]" >>"$file"
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else
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# Remove old values
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sed -i -e "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ d; }" "$file"
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fi
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# Add new ones
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for v in $values; do
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sed -i -e "/^\[$section\]/ a\\
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$option = $v
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" "$file"
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done
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$xtrace
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}
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# Uncomment an option in an INI file
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# iniuncomment config-file section option
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function iniuncomment {
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local xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local file=$1
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local section=$2
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local option=$3
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sed -i -e "/^\[$section\]/,/^\[.*\]/ s|[^ \t]*#[ \t]*\($option[ \t]*=.*$\)|\1|" "$file"
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$xtrace
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}
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# Normalize config values to True or False
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# Accepts as False: 0 no No NO false False FALSE
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# Accepts as True: 1 yes Yes YES true True TRUE
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# VAR=$(trueorfalse default-value test-value)
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function trueorfalse {
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local xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local default=$1
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local testval=$2
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[[ -z "$testval" ]] && { echo "$default"; return; }
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[[ "0 no No NO false False FALSE" =~ "$testval" ]] && { echo "False"; return; }
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[[ "1 yes Yes YES true True TRUE" =~ "$testval" ]] && { echo "True"; return; }
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echo "$default"
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$xtrace
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}
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# Control Functions
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# =================
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# Prints backtrace info
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# filename:lineno:function
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# backtrace level
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function backtrace {
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local level=$1
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local deep=$((${#BASH_SOURCE[@]} - 1))
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echo "[Call Trace]"
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while [ $level -le $deep ]; do
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echo "${BASH_SOURCE[$deep]}:${BASH_LINENO[$deep-1]}:${FUNCNAME[$deep-1]}"
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deep=$((deep - 1))
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done
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}
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# Prints line number and "message" then exits
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# die $LINENO "message"
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function die {
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local exitcode=$?
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set +o xtrace
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local line=$1; shift
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if [ $exitcode == 0 ]; then
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exitcode=1
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fi
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backtrace 2
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err $line "$*"
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# Give buffers a second to flush
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sleep 1
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exit $exitcode
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}
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# Checks an environment variable is not set or has length 0 OR if the
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# exit code is non-zero and prints "message" and exits
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# NOTE: env-var is the variable name without a '$'
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# die_if_not_set $LINENO env-var "message"
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function die_if_not_set {
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local exitcode=$?
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FXTRACE=$(set +o | grep xtrace)
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set +o xtrace
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local line=$1; shift
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local evar=$1; shift
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if ! is_set $evar || [ $exitcode != 0 ]; then
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die $line "$*"
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fi
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$FXTRACE
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}
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# Prints line number and "message" in error format
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# err $LINENO "message"
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function err {
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local exitcode=$?
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errXTRACE=$(set +o | grep xtrace)
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set +o xtrace
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local msg="[ERROR] ${BASH_SOURCE[2]}:$1 $2"
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echo $msg 1>&2;
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if [[ -n ${SCREEN_LOGDIR} ]]; then
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echo $msg >> "${SCREEN_LOGDIR}/error.log"
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fi
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$errXTRACE
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return $exitcode
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}
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# Checks an environment variable is not set or has length 0 OR if the
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# exit code is non-zero and prints "message"
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# NOTE: env-var is the variable name without a '$'
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# err_if_not_set $LINENO env-var "message"
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function err_if_not_set {
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local exitcode=$?
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errinsXTRACE=$(set +o | grep xtrace)
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set +o xtrace
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local line=$1; shift
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local evar=$1; shift
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if ! is_set $evar || [ $exitcode != 0 ]; then
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err $line "$*"
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fi
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$errinsXTRACE
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return $exitcode
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}
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# Exit after outputting a message about the distribution not being supported.
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# exit_distro_not_supported [optional-string-telling-what-is-missing]
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function exit_distro_not_supported {
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if [[ -z "$DISTRO" ]]; then
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GetDistro
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fi
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if [ $# -gt 0 ]; then
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die $LINENO "Support for $DISTRO is incomplete: no support for $@"
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else
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die $LINENO "Support for $DISTRO is incomplete."
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fi
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}
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# Test if the named environment variable is set and not zero length
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# is_set env-var
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function is_set {
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local var=\$"$1"
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eval "[ -n \"$var\" ]" # For ex.: sh -c "[ -n \"$var\" ]" would be better, but several exercises depends on this
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}
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# Prints line number and "message" in warning format
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# warn $LINENO "message"
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function warn {
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local exitcode=$?
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errXTRACE=$(set +o | grep xtrace)
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set +o xtrace
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local msg="[WARNING] ${BASH_SOURCE[2]}:$1 $2"
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echo $msg 1>&2;
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if [[ -n ${SCREEN_LOGDIR} ]]; then
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echo $msg >> "${SCREEN_LOGDIR}/error.log"
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fi
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$errXTRACE
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return $exitcode
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}
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# Distro Functions
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# ================
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# Determine OS Vendor, Release and Update
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# Tested with OS/X, Ubuntu, RedHat, CentOS, Fedora
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# Returns results in global variables:
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# os_VENDOR - vendor name
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# os_RELEASE - release
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# os_UPDATE - update
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# os_PACKAGE - package type
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# os_CODENAME - vendor's codename for release
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# GetOSVersion
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function GetOSVersion {
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# Figure out which vendor we are
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if [[ -x "`which sw_vers 2>/dev/null`" ]]; then
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# OS/X
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os_VENDOR=`sw_vers -productName`
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os_RELEASE=`sw_vers -productVersion`
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os_UPDATE=${os_RELEASE##*.}
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os_RELEASE=${os_RELEASE%.*}
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os_PACKAGE=""
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if [[ "$os_RELEASE" =~ "10.7" ]]; then
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os_CODENAME="lion"
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elif [[ "$os_RELEASE" =~ "10.6" ]]; then
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os_CODENAME="snow leopard"
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elif [[ "$os_RELEASE" =~ "10.5" ]]; then
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os_CODENAME="leopard"
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elif [[ "$os_RELEASE" =~ "10.4" ]]; then
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os_CODENAME="tiger"
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elif [[ "$os_RELEASE" =~ "10.3" ]]; then
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os_CODENAME="panther"
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else
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os_CODENAME=""
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fi
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elif [[ -x $(which lsb_release 2>/dev/null) ]]; then
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os_VENDOR=$(lsb_release -i -s)
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os_RELEASE=$(lsb_release -r -s)
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os_UPDATE=""
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os_PACKAGE="rpm"
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if [[ "Debian,Ubuntu,LinuxMint" =~ $os_VENDOR ]]; then
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os_PACKAGE="deb"
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elif [[ "SUSE LINUX" =~ $os_VENDOR ]]; then
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lsb_release -d -s | grep -q openSUSE
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if [[ $? -eq 0 ]]; then
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os_VENDOR="openSUSE"
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fi
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elif [[ $os_VENDOR == "openSUSE project" ]]; then
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os_VENDOR="openSUSE"
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elif [[ $os_VENDOR =~ Red.*Hat ]]; then
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os_VENDOR="Red Hat"
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fi
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os_CODENAME=$(lsb_release -c -s)
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elif [[ -r /etc/redhat-release ]]; then
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# Red Hat Enterprise Linux Server release 5.5 (Tikanga)
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# Red Hat Enterprise Linux Server release 7.0 Beta (Maipo)
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# CentOS release 5.5 (Final)
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# CentOS Linux release 6.0 (Final)
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# Fedora release 16 (Verne)
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# XenServer release 6.2.0-70446c (xenenterprise)
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os_CODENAME=""
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for r in "Red Hat" CentOS Fedora XenServer; do
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os_VENDOR=$r
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if [[ -n "`grep \"$r\" /etc/redhat-release`" ]]; then
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ver=`sed -e 's/^.* \([0-9].*\) (\(.*\)).*$/\1\|\2/' /etc/redhat-release`
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os_CODENAME=${ver#*|}
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os_RELEASE=${ver%|*}
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os_UPDATE=${os_RELEASE##*.}
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os_RELEASE=${os_RELEASE%.*}
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break
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fi
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os_VENDOR=""
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done
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os_PACKAGE="rpm"
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elif [[ -r /etc/SuSE-release ]]; then
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for r in openSUSE "SUSE Linux"; do
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if [[ "$r" = "SUSE Linux" ]]; then
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os_VENDOR="SUSE LINUX"
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else
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os_VENDOR=$r
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fi
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if [[ -n "`grep \"$r\" /etc/SuSE-release`" ]]; then
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os_CODENAME=`grep "CODENAME = " /etc/SuSE-release | sed 's:.* = ::g'`
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os_RELEASE=`grep "VERSION = " /etc/SuSE-release | sed 's:.* = ::g'`
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os_UPDATE=`grep "PATCHLEVEL = " /etc/SuSE-release | sed 's:.* = ::g'`
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break
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fi
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os_VENDOR=""
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done
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os_PACKAGE="rpm"
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# If lsb_release is not installed, we should be able to detect Debian OS
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elif [[ -f /etc/debian_version ]] && [[ $(cat /proc/version) =~ "Debian" ]]; then
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os_VENDOR="Debian"
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os_PACKAGE="deb"
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os_CODENAME=$(awk '/VERSION=/' /etc/os-release | sed 's/VERSION=//' | sed -r 's/\"|\(|\)//g' | awk '{print $2}')
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os_RELEASE=$(awk '/VERSION_ID=/' /etc/os-release | sed 's/VERSION_ID=//' | sed 's/\"//g')
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fi
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export os_VENDOR os_RELEASE os_UPDATE os_PACKAGE os_CODENAME
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}
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# Translate the OS version values into common nomenclature
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# Sets global ``DISTRO`` from the ``os_*`` values
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function GetDistro {
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GetOSVersion
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if [[ "$os_VENDOR" =~ (Ubuntu) || "$os_VENDOR" =~ (Debian) ]]; then
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# 'Everyone' refers to Ubuntu / Debian releases by the code name adjective
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DISTRO=$os_CODENAME
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elif [[ "$os_VENDOR" =~ (Fedora) ]]; then
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# For Fedora, just use 'f' and the release
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DISTRO="f$os_RELEASE"
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elif [[ "$os_VENDOR" =~ (openSUSE) ]]; then
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DISTRO="opensuse-$os_RELEASE"
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elif [[ "$os_VENDOR" =~ (SUSE LINUX) ]]; then
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# For SLE, also use the service pack
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if [[ -z "$os_UPDATE" ]]; then
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DISTRO="sle${os_RELEASE}"
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else
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DISTRO="sle${os_RELEASE}sp${os_UPDATE}"
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fi
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elif [[ "$os_VENDOR" =~ (Red Hat) || "$os_VENDOR" =~ (CentOS) ]]; then
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# Drop the . release as we assume it's compatible
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DISTRO="rhel${os_RELEASE::1}"
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elif [[ "$os_VENDOR" =~ (XenServer) ]]; then
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DISTRO="xs$os_RELEASE"
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else
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# Catch-all for now is Vendor + Release + Update
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DISTRO="$os_VENDOR-$os_RELEASE.$os_UPDATE"
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fi
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export DISTRO
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}
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# Utility function for checking machine architecture
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# is_arch arch-type
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function is_arch {
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ARCH_TYPE=$1
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[[ "$(uname -m)" == "$ARCH_TYPE" ]]
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}
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# Determine if current distribution is a Fedora-based distribution
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# (Fedora, RHEL, CentOS, etc).
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# is_fedora
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function is_fedora {
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if [[ -z "$os_VENDOR" ]]; then
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GetOSVersion
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fi
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[ "$os_VENDOR" = "Fedora" ] || [ "$os_VENDOR" = "Red Hat" ] || [ "$os_VENDOR" = "CentOS" ]
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}
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# Determine if current distribution is a SUSE-based distribution
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# (openSUSE, SLE).
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# is_suse
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function is_suse {
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if [[ -z "$os_VENDOR" ]]; then
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GetOSVersion
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fi
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[ "$os_VENDOR" = "openSUSE" ] || [ "$os_VENDOR" = "SUSE LINUX" ]
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}
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# Determine if current distribution is an Ubuntu-based distribution
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# It will also detect non-Ubuntu but Debian-based distros
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# is_ubuntu
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function is_ubuntu {
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if [[ -z "$os_PACKAGE" ]]; then
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GetOSVersion
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fi
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[ "$os_PACKAGE" = "deb" ]
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}
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# Git Functions
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# =============
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# Returns openstack release name for a given branch name
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# ``get_release_name_from_branch branch-name``
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function get_release_name_from_branch {
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local branch=$1
|
|
if [[ $branch =~ "stable/" ]]; then
|
|
echo ${branch#*/}
|
|
else
|
|
echo "master"
|
|
fi
|
|
}
|
|
|
|
# git clone only if directory doesn't exist already. Since ``DEST`` might not
|
|
# be owned by the installation user, we create the directory and change the
|
|
# ownership to the proper user.
|
|
# Set global RECLONE=yes to simulate a clone when dest-dir exists
|
|
# Set global ERROR_ON_CLONE=True to abort execution with an error if the git repo
|
|
# does not exist (default is False, meaning the repo will be cloned).
|
|
# Uses global ``OFFLINE``
|
|
# git_clone remote dest-dir branch
|
|
function git_clone {
|
|
GIT_REMOTE=$1
|
|
GIT_DEST=$2
|
|
GIT_REF=$3
|
|
RECLONE=$(trueorfalse False $RECLONE)
|
|
local orig_dir=`pwd`
|
|
|
|
if [[ "$OFFLINE" = "True" ]]; then
|
|
echo "Running in offline mode, clones already exist"
|
|
# print out the results so we know what change was used in the logs
|
|
cd $GIT_DEST
|
|
git show --oneline | head -1
|
|
cd $orig_dir
|
|
return
|
|
fi
|
|
|
|
if echo $GIT_REF | egrep -q "^refs"; then
|
|
# If our branch name is a gerrit style refs/changes/...
|
|
if [[ ! -d $GIT_DEST ]]; then
|
|
[[ "$ERROR_ON_CLONE" = "True" ]] && \
|
|
die $LINENO "Cloning not allowed in this configuration"
|
|
git_timed clone $GIT_REMOTE $GIT_DEST
|
|
fi
|
|
cd $GIT_DEST
|
|
git_timed fetch $GIT_REMOTE $GIT_REF && git checkout FETCH_HEAD
|
|
else
|
|
# do a full clone only if the directory doesn't exist
|
|
if [[ ! -d $GIT_DEST ]]; then
|
|
[[ "$ERROR_ON_CLONE" = "True" ]] && \
|
|
die $LINENO "Cloning not allowed in this configuration"
|
|
git_timed clone $GIT_REMOTE $GIT_DEST
|
|
cd $GIT_DEST
|
|
# This checkout syntax works for both branches and tags
|
|
git checkout $GIT_REF
|
|
elif [[ "$RECLONE" = "True" ]]; then
|
|
# if it does exist then simulate what clone does if asked to RECLONE
|
|
cd $GIT_DEST
|
|
# set the url to pull from and fetch
|
|
git remote set-url origin $GIT_REMOTE
|
|
git_timed fetch origin
|
|
# remove the existing ignored files (like pyc) as they cause breakage
|
|
# (due to the py files having older timestamps than our pyc, so python
|
|
# thinks the pyc files are correct using them)
|
|
find $GIT_DEST -name '*.pyc' -delete
|
|
|
|
# handle GIT_REF accordingly to type (tag, branch)
|
|
if [[ -n "`git show-ref refs/tags/$GIT_REF`" ]]; then
|
|
git_update_tag $GIT_REF
|
|
elif [[ -n "`git show-ref refs/heads/$GIT_REF`" ]]; then
|
|
git_update_branch $GIT_REF
|
|
elif [[ -n "`git show-ref refs/remotes/origin/$GIT_REF`" ]]; then
|
|
git_update_remote_branch $GIT_REF
|
|
else
|
|
die $LINENO "$GIT_REF is neither branch nor tag"
|
|
fi
|
|
|
|
fi
|
|
fi
|
|
|
|
# print out the results so we know what change was used in the logs
|
|
cd $GIT_DEST
|
|
git show --oneline | head -1
|
|
cd $orig_dir
|
|
}
|
|
|
|
# A variation on git clone that lets us specify a project by it's
|
|
# actual name, like oslo.config. This is exceptionally useful in the
|
|
# library installation case
|
|
function git_clone_by_name {
|
|
local name=$1
|
|
local repo=${GITREPO[$name]}
|
|
local dir=${GITDIR[$name]}
|
|
local branch=${GITBRANCH[$name]}
|
|
git_clone $repo $dir $branch
|
|
}
|
|
|
|
|
|
# git can sometimes get itself infinitely stuck with transient network
|
|
# errors or other issues with the remote end. This wraps git in a
|
|
# timeout/retry loop and is intended to watch over non-local git
|
|
# processes that might hang. GIT_TIMEOUT, if set, is passed directly
|
|
# to timeout(1); otherwise the default value of 0 maintains the status
|
|
# quo of waiting forever.
|
|
# usage: git_timed <git-command>
|
|
function git_timed {
|
|
local count=0
|
|
local timeout=0
|
|
|
|
if [[ -n "${GIT_TIMEOUT}" ]]; then
|
|
timeout=${GIT_TIMEOUT}
|
|
fi
|
|
|
|
until timeout -s SIGINT ${timeout} git "$@"; do
|
|
# 124 is timeout(1)'s special return code when it reached the
|
|
# timeout; otherwise assume fatal failure
|
|
if [[ $? -ne 124 ]]; then
|
|
die $LINENO "git call failed: [git $@]"
|
|
fi
|
|
|
|
count=$(($count + 1))
|
|
warn "timeout ${count} for git call: [git $@]"
|
|
if [ $count -eq 3 ]; then
|
|
die $LINENO "Maximum of 3 git retries reached"
|
|
fi
|
|
sleep 5
|
|
done
|
|
}
|
|
|
|
# git update using reference as a branch.
|
|
# git_update_branch ref
|
|
function git_update_branch {
|
|
|
|
GIT_BRANCH=$1
|
|
|
|
git checkout -f origin/$GIT_BRANCH
|
|
# a local branch might not exist
|
|
git branch -D $GIT_BRANCH || true
|
|
git checkout -b $GIT_BRANCH
|
|
}
|
|
|
|
# git update using reference as a branch.
|
|
# git_update_remote_branch ref
|
|
function git_update_remote_branch {
|
|
|
|
GIT_BRANCH=$1
|
|
|
|
git checkout -b $GIT_BRANCH -t origin/$GIT_BRANCH
|
|
}
|
|
|
|
# git update using reference as a tag. Be careful editing source at that repo
|
|
# as working copy will be in a detached mode
|
|
# git_update_tag ref
|
|
function git_update_tag {
|
|
|
|
GIT_TAG=$1
|
|
|
|
git tag -d $GIT_TAG
|
|
# fetching given tag only
|
|
git_timed fetch origin tag $GIT_TAG
|
|
git checkout -f $GIT_TAG
|
|
}
|
|
|
|
|
|
# OpenStack Functions
|
|
# ===================
|
|
|
|
# Get the default value for HOST_IP
|
|
# get_default_host_ip fixed_range floating_range host_ip_iface host_ip
|
|
function get_default_host_ip {
|
|
local fixed_range=$1
|
|
local floating_range=$2
|
|
local host_ip_iface=$3
|
|
local host_ip=$4
|
|
|
|
# Find the interface used for the default route
|
|
host_ip_iface=${host_ip_iface:-$(ip route | sed -n '/^default/{ s/.*dev \(\w\+\)\s\+.*/\1/; p; }' | head -1)}
|
|
# Search for an IP unless an explicit is set by ``HOST_IP`` environment variable
|
|
if [ -z "$host_ip" -o "$host_ip" == "dhcp" ]; then
|
|
host_ip=""
|
|
host_ips=`LC_ALL=C ip -f inet addr show ${host_ip_iface} | awk '/inet/ {split($2,parts,"/"); print parts[1]}'`
|
|
for IP in $host_ips; do
|
|
# Attempt to filter out IP addresses that are part of the fixed and
|
|
# floating range. Note that this method only works if the ``netaddr``
|
|
# python library is installed. If it is not installed, an error
|
|
# will be printed and the first IP from the interface will be used.
|
|
# If that is not correct set ``HOST_IP`` in ``localrc`` to the correct
|
|
# address.
|
|
if ! (address_in_net $IP $fixed_range || address_in_net $IP $floating_range); then
|
|
host_ip=$IP
|
|
break;
|
|
fi
|
|
done
|
|
fi
|
|
echo $host_ip
|
|
}
|
|
|
|
# Grab a numbered field from python prettytable output
|
|
# Fields are numbered starting with 1
|
|
# Reverse syntax is supported: -1 is the last field, -2 is second to last, etc.
|
|
# get_field field-number
|
|
function get_field {
|
|
while read data; do
|
|
if [ "$1" -lt 0 ]; then
|
|
field="(\$(NF$1))"
|
|
else
|
|
field="\$$(($1 + 1))"
|
|
fi
|
|
echo "$data" | awk -F'[ \t]*\\|[ \t]*' "{print $field}"
|
|
done
|
|
}
|
|
|
|
# Add a policy to a policy.json file
|
|
# Do nothing if the policy already exists
|
|
# ``policy_add policy_file policy_name policy_permissions``
|
|
function policy_add {
|
|
local policy_file=$1
|
|
local policy_name=$2
|
|
local policy_perm=$3
|
|
|
|
if grep -q ${policy_name} ${policy_file}; then
|
|
echo "Policy ${policy_name} already exists in ${policy_file}"
|
|
return
|
|
fi
|
|
|
|
# Add a terminating comma to policy lines without one
|
|
# Remove the closing '}' and all lines following to the end-of-file
|
|
local tmpfile=$(mktemp)
|
|
uniq ${policy_file} | sed -e '
|
|
s/]$/],/
|
|
/^[}]/,$d
|
|
' > ${tmpfile}
|
|
|
|
# Append policy and closing brace
|
|
echo " \"${policy_name}\": ${policy_perm}" >>${tmpfile}
|
|
echo "}" >>${tmpfile}
|
|
|
|
mv ${tmpfile} ${policy_file}
|
|
}
|
|
|
|
|
|
# Package Functions
|
|
# =================
|
|
|
|
# _get_package_dir
|
|
function _get_package_dir {
|
|
local pkg_dir
|
|
if is_ubuntu; then
|
|
pkg_dir=$FILES/apts
|
|
elif is_fedora; then
|
|
pkg_dir=$FILES/rpms
|
|
elif is_suse; then
|
|
pkg_dir=$FILES/rpms-suse
|
|
else
|
|
exit_distro_not_supported "list of packages"
|
|
fi
|
|
echo "$pkg_dir"
|
|
}
|
|
|
|
# Wrapper for ``apt-get`` to set cache and proxy environment variables
|
|
# Uses globals ``OFFLINE``, ``*_proxy``
|
|
# apt_get operation package [package ...]
|
|
function apt_get {
|
|
local xtrace=$(set +o | grep xtrace)
|
|
set +o xtrace
|
|
|
|
[[ "$OFFLINE" = "True" || -z "$@" ]] && return
|
|
local sudo="sudo"
|
|
[[ "$(id -u)" = "0" ]] && sudo="env"
|
|
|
|
$xtrace
|
|
$sudo DEBIAN_FRONTEND=noninteractive \
|
|
http_proxy=$http_proxy https_proxy=$https_proxy \
|
|
no_proxy=$no_proxy \
|
|
apt-get --option "Dpkg::Options::=--force-confold" --assume-yes "$@"
|
|
}
|
|
|
|
# get_packages() collects a list of package names of any type from the
|
|
# prerequisite files in ``files/{apts|rpms}``. The list is intended
|
|
# to be passed to a package installer such as apt or yum.
|
|
#
|
|
# Only packages required for the services in 1st argument will be
|
|
# included. Two bits of metadata are recognized in the prerequisite files:
|
|
#
|
|
# - ``# NOPRIME`` defers installation to be performed later in `stack.sh`
|
|
# - ``# dist:DISTRO`` or ``dist:DISTRO1,DISTRO2`` limits the selection
|
|
# of the package to the distros listed. The distro names are case insensitive.
|
|
function get_packages {
|
|
local xtrace=$(set +o | grep xtrace)
|
|
set +o xtrace
|
|
local services=$@
|
|
local package_dir=$(_get_package_dir)
|
|
local file_to_parse
|
|
local service
|
|
|
|
if [[ -z "$package_dir" ]]; then
|
|
echo "No package directory supplied"
|
|
return 1
|
|
fi
|
|
if [[ -z "$DISTRO" ]]; then
|
|
GetDistro
|
|
echo "Found Distro $DISTRO"
|
|
fi
|
|
for service in ${services//,/ }; do
|
|
# Allow individual services to specify dependencies
|
|
if [[ -e ${package_dir}/${service} ]]; then
|
|
file_to_parse="${file_to_parse} $service"
|
|
fi
|
|
# NOTE(sdague) n-api needs glance for now because that's where
|
|
# glance client is
|
|
if [[ $service == n-api ]]; then
|
|
if [[ ! $file_to_parse =~ nova ]]; then
|
|
file_to_parse="${file_to_parse} nova"
|
|
fi
|
|
if [[ ! $file_to_parse =~ glance ]]; then
|
|
file_to_parse="${file_to_parse} glance"
|
|
fi
|
|
elif [[ $service == c-* ]]; then
|
|
if [[ ! $file_to_parse =~ cinder ]]; then
|
|
file_to_parse="${file_to_parse} cinder"
|
|
fi
|
|
elif [[ $service == ceilometer-* ]]; then
|
|
if [[ ! $file_to_parse =~ ceilometer ]]; then
|
|
file_to_parse="${file_to_parse} ceilometer"
|
|
fi
|
|
elif [[ $service == s-* ]]; then
|
|
if [[ ! $file_to_parse =~ swift ]]; then
|
|
file_to_parse="${file_to_parse} swift"
|
|
fi
|
|
elif [[ $service == n-* ]]; then
|
|
if [[ ! $file_to_parse =~ nova ]]; then
|
|
file_to_parse="${file_to_parse} nova"
|
|
fi
|
|
elif [[ $service == g-* ]]; then
|
|
if [[ ! $file_to_parse =~ glance ]]; then
|
|
file_to_parse="${file_to_parse} glance"
|
|
fi
|
|
elif [[ $service == key* ]]; then
|
|
if [[ ! $file_to_parse =~ keystone ]]; then
|
|
file_to_parse="${file_to_parse} keystone"
|
|
fi
|
|
elif [[ $service == q-* ]]; then
|
|
if [[ ! $file_to_parse =~ neutron ]]; then
|
|
file_to_parse="${file_to_parse} neutron"
|
|
fi
|
|
elif [[ $service == ir-* ]]; then
|
|
if [[ ! $file_to_parse =~ ironic ]]; then
|
|
file_to_parse="${file_to_parse} ironic"
|
|
fi
|
|
fi
|
|
done
|
|
|
|
for file in ${file_to_parse}; do
|
|
local fname=${package_dir}/${file}
|
|
local OIFS line package distros distro
|
|
[[ -e $fname ]] || continue
|
|
|
|
OIFS=$IFS
|
|
IFS=$'\n'
|
|
for line in $(<${fname}); do
|
|
if [[ $line =~ "NOPRIME" ]]; then
|
|
continue
|
|
fi
|
|
|
|
# Assume we want this package
|
|
package=${line%#*}
|
|
inst_pkg=1
|
|
|
|
# Look for # dist:xxx in comment
|
|
if [[ $line =~ (.*)#.*dist:([^ ]*) ]]; then
|
|
# We are using BASH regexp matching feature.
|
|
package=${BASH_REMATCH[1]}
|
|
distros=${BASH_REMATCH[2]}
|
|
# In bash ${VAR,,} will lowecase VAR
|
|
# Look for a match in the distro list
|
|
if [[ ! ${distros,,} =~ ${DISTRO,,} ]]; then
|
|
# If no match then skip this package
|
|
inst_pkg=0
|
|
fi
|
|
fi
|
|
|
|
# Look for # testonly in comment
|
|
if [[ $line =~ (.*)#.*testonly.* ]]; then
|
|
package=${BASH_REMATCH[1]}
|
|
# Are we installing test packages? (test for the default value)
|
|
if [[ $INSTALL_TESTONLY_PACKAGES = "False" ]]; then
|
|
# If not installing test packages the skip this package
|
|
inst_pkg=0
|
|
fi
|
|
fi
|
|
|
|
if [[ $inst_pkg = 1 ]]; then
|
|
echo $package
|
|
fi
|
|
done
|
|
IFS=$OIFS
|
|
done
|
|
$xtrace
|
|
}
|
|
|
|
# Distro-agnostic package installer
|
|
# install_package package [package ...]
|
|
function install_package {
|
|
local xtrace=$(set +o | grep xtrace)
|
|
set +o xtrace
|
|
if is_ubuntu; then
|
|
# if there are transient errors pulling the updates, that's fine. It may
|
|
# be secondary repositories that we don't really care about.
|
|
[[ "$NO_UPDATE_REPOS" = "True" ]] || apt_get update || /bin/true
|
|
NO_UPDATE_REPOS=True
|
|
|
|
$xtrace
|
|
apt_get install "$@"
|
|
elif is_fedora; then
|
|
$xtrace
|
|
yum_install "$@"
|
|
elif is_suse; then
|
|
$xtrace
|
|
zypper_install "$@"
|
|
else
|
|
$xtrace
|
|
exit_distro_not_supported "installing packages"
|
|
fi
|
|
}
|
|
|
|
# Distro-agnostic function to tell if a package is installed
|
|
# is_package_installed package [package ...]
|
|
function is_package_installed {
|
|
if [[ -z "$@" ]]; then
|
|
return 1
|
|
fi
|
|
|
|
if [[ -z "$os_PACKAGE" ]]; then
|
|
GetOSVersion
|
|
fi
|
|
|
|
if [[ "$os_PACKAGE" = "deb" ]]; then
|
|
dpkg -s "$@" > /dev/null 2> /dev/null
|
|
elif [[ "$os_PACKAGE" = "rpm" ]]; then
|
|
rpm --quiet -q "$@"
|
|
else
|
|
exit_distro_not_supported "finding if a package is installed"
|
|
fi
|
|
}
|
|
|
|
# Distro-agnostic package uninstaller
|
|
# uninstall_package package [package ...]
|
|
function uninstall_package {
|
|
if is_ubuntu; then
|
|
apt_get purge "$@"
|
|
elif is_fedora; then
|
|
sudo yum remove -y "$@"
|
|
elif is_suse; then
|
|
sudo zypper rm "$@"
|
|
else
|
|
exit_distro_not_supported "uninstalling packages"
|
|
fi
|
|
}
|
|
|
|
# Wrapper for ``yum`` to set proxy environment variables
|
|
# Uses globals ``OFFLINE``, ``*_proxy``
|
|
# yum_install package [package ...]
|
|
function yum_install {
|
|
[[ "$OFFLINE" = "True" ]] && return
|
|
local sudo="sudo"
|
|
[[ "$(id -u)" = "0" ]] && sudo="env"
|
|
|
|
# The manual check for missing packages is because yum -y assumes
|
|
# missing packages are OK. See
|
|
# https://bugzilla.redhat.com/show_bug.cgi?id=965567
|
|
$sudo http_proxy=$http_proxy https_proxy=$https_proxy \
|
|
no_proxy=$no_proxy \
|
|
yum install -y "$@" 2>&1 | \
|
|
awk '
|
|
BEGIN { fail=0 }
|
|
/No package/ { fail=1 }
|
|
{ print }
|
|
END { exit fail }' || \
|
|
die $LINENO "Missing packages detected"
|
|
|
|
# also ensure we catch a yum failure
|
|
if [[ ${PIPESTATUS[0]} != 0 ]]; then
|
|
die $LINENO "Yum install failure"
|
|
fi
|
|
}
|
|
|
|
# zypper wrapper to set arguments correctly
|
|
# zypper_install package [package ...]
|
|
function zypper_install {
|
|
[[ "$OFFLINE" = "True" ]] && return
|
|
local sudo="sudo"
|
|
[[ "$(id -u)" = "0" ]] && sudo="env"
|
|
$sudo http_proxy=$http_proxy https_proxy=$https_proxy \
|
|
zypper --non-interactive install --auto-agree-with-licenses "$@"
|
|
}
|
|
|
|
|
|
# Process Functions
|
|
# =================
|
|
|
|
# _run_process() is designed to be backgrounded by run_process() to simulate a
|
|
# fork. It includes the dirty work of closing extra filehandles and preparing log
|
|
# files to produce the same logs as screen_it(). The log filename is derived
|
|
# from the service name and global-and-now-misnamed ``SCREEN_LOGDIR``
|
|
# Uses globals ``CURRENT_LOG_TIME``, ``SCREEN_LOGDIR``, ``SCREEN_NAME``, ``SERVICE_DIR``
|
|
# If an optional group is provided sg will be used to set the group of
|
|
# the command.
|
|
# _run_process service "command-line" [group]
|
|
function _run_process {
|
|
local service=$1
|
|
local command="$2"
|
|
local group=$3
|
|
|
|
# Undo logging redirections and close the extra descriptors
|
|
exec 1>&3
|
|
exec 2>&3
|
|
exec 3>&-
|
|
exec 6>&-
|
|
|
|
if [[ -n ${SCREEN_LOGDIR} ]]; then
|
|
exec 1>&${SCREEN_LOGDIR}/screen-${service}.${CURRENT_LOG_TIME}.log 2>&1
|
|
ln -sf ${SCREEN_LOGDIR}/screen-${service}.${CURRENT_LOG_TIME}.log ${SCREEN_LOGDIR}/screen-${service}.log
|
|
|
|
# TODO(dtroyer): Hack to get stdout from the Python interpreter for the logs.
|
|
export PYTHONUNBUFFERED=1
|
|
fi
|
|
|
|
# Run under ``setsid`` to force the process to become a session and group leader.
|
|
# The pid saved can be used with pkill -g to get the entire process group.
|
|
if [[ -n "$group" ]]; then
|
|
setsid sg $group "$command" & echo $! >$SERVICE_DIR/$SCREEN_NAME/$service.pid
|
|
else
|
|
setsid $command & echo $! >$SERVICE_DIR/$SCREEN_NAME/$service.pid
|
|
fi
|
|
|
|
# Just silently exit this process
|
|
exit 0
|
|
}
|
|
|
|
# Helper to remove the ``*.failure`` files under ``$SERVICE_DIR/$SCREEN_NAME``.
|
|
# This is used for ``service_check`` when all the ``screen_it`` are called finished
|
|
# init_service_check
|
|
function init_service_check {
|
|
SCREEN_NAME=${SCREEN_NAME:-stack}
|
|
SERVICE_DIR=${SERVICE_DIR:-${DEST}/status}
|
|
|
|
if [[ ! -d "$SERVICE_DIR/$SCREEN_NAME" ]]; then
|
|
mkdir -p "$SERVICE_DIR/$SCREEN_NAME"
|
|
fi
|
|
|
|
rm -f "$SERVICE_DIR/$SCREEN_NAME"/*.failure
|
|
}
|
|
|
|
# Find out if a process exists by partial name.
|
|
# is_running name
|
|
function is_running {
|
|
local name=$1
|
|
ps auxw | grep -v grep | grep ${name} > /dev/null
|
|
RC=$?
|
|
# some times I really hate bash reverse binary logic
|
|
return $RC
|
|
}
|
|
|
|
# Run a single service under screen or directly
|
|
# If the command includes shell metachatacters (;<>*) it must be run using a shell
|
|
# If an optional group is provided sg will be used to run the
|
|
# command as that group.
|
|
# run_process service "command-line" [group]
|
|
function run_process {
|
|
local service=$1
|
|
local command="$2"
|
|
local group=$3
|
|
|
|
if is_service_enabled $service; then
|
|
if [[ "$USE_SCREEN" = "True" ]]; then
|
|
screen_service "$service" "$command" "$group"
|
|
else
|
|
# Spawn directly without screen
|
|
_run_process "$service" "$command" "$group" &
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# Helper to launch a service in a named screen
|
|
# Uses globals ``CURRENT_LOG_TIME``, ``SCREEN_NAME``, ``SCREEN_LOGDIR``,
|
|
# ``SERVICE_DIR``, ``USE_SCREEN``
|
|
# screen_service service "command-line" [group]
|
|
# Run a command in a shell in a screen window, if an optional group
|
|
# is provided, use sg to set the group of the command.
|
|
function screen_service {
|
|
local service=$1
|
|
local command="$2"
|
|
local group=$3
|
|
|
|
SCREEN_NAME=${SCREEN_NAME:-stack}
|
|
SERVICE_DIR=${SERVICE_DIR:-${DEST}/status}
|
|
USE_SCREEN=$(trueorfalse True $USE_SCREEN)
|
|
|
|
if is_service_enabled $service; then
|
|
# Append the service to the screen rc file
|
|
screen_rc "$service" "$command"
|
|
|
|
screen -S $SCREEN_NAME -X screen -t $service
|
|
|
|
if [[ -n ${SCREEN_LOGDIR} ]]; then
|
|
screen -S $SCREEN_NAME -p $service -X logfile ${SCREEN_LOGDIR}/screen-${service}.${CURRENT_LOG_TIME}.log
|
|
screen -S $SCREEN_NAME -p $service -X log on
|
|
ln -sf ${SCREEN_LOGDIR}/screen-${service}.${CURRENT_LOG_TIME}.log ${SCREEN_LOGDIR}/screen-${service}.log
|
|
fi
|
|
|
|
# sleep to allow bash to be ready to be send the command - we are
|
|
# creating a new window in screen and then sends characters, so if
|
|
# bash isn't running by the time we send the command, nothing happens
|
|
sleep 3
|
|
|
|
NL=`echo -ne '\015'`
|
|
# This fun command does the following:
|
|
# - the passed server command is backgrounded
|
|
# - the pid of the background process is saved in the usual place
|
|
# - the server process is brought back to the foreground
|
|
# - if the server process exits prematurely the fg command errors
|
|
# and a message is written to stdout and the service failure file
|
|
# The pid saved can be used in stop_process() as a process group
|
|
# id to kill off all child processes
|
|
if [[ -n "$group" ]]; then
|
|
command="sg $group '$command'"
|
|
fi
|
|
screen -S $SCREEN_NAME -p $service -X stuff "$command & echo \$! >$SERVICE_DIR/$SCREEN_NAME/${service}.pid; fg || echo \"$service failed to start\" | tee \"$SERVICE_DIR/$SCREEN_NAME/${service}.failure\"$NL"
|
|
fi
|
|
}
|
|
|
|
# Screen rc file builder
|
|
# screen_rc service "command-line"
|
|
function screen_rc {
|
|
SCREEN_NAME=${SCREEN_NAME:-stack}
|
|
SCREENRC=$TOP_DIR/$SCREEN_NAME-screenrc
|
|
if [[ ! -e $SCREENRC ]]; then
|
|
# Name the screen session
|
|
echo "sessionname $SCREEN_NAME" > $SCREENRC
|
|
# Set a reasonable statusbar
|
|
echo "hardstatus alwayslastline '$SCREEN_HARDSTATUS'" >> $SCREENRC
|
|
# Some distributions override PROMPT_COMMAND for the screen terminal type - turn that off
|
|
echo "setenv PROMPT_COMMAND /bin/true" >> $SCREENRC
|
|
echo "screen -t shell bash" >> $SCREENRC
|
|
fi
|
|
# If this service doesn't already exist in the screenrc file
|
|
if ! grep $1 $SCREENRC 2>&1 > /dev/null; then
|
|
NL=`echo -ne '\015'`
|
|
echo "screen -t $1 bash" >> $SCREENRC
|
|
echo "stuff \"$2$NL\"" >> $SCREENRC
|
|
|
|
if [[ -n ${SCREEN_LOGDIR} ]]; then
|
|
echo "logfile ${SCREEN_LOGDIR}/screen-${1}.${CURRENT_LOG_TIME}.log" >>$SCREENRC
|
|
echo "log on" >>$SCREENRC
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# Stop a service in screen
|
|
# If a PID is available use it, kill the whole process group via TERM
|
|
# If screen is being used kill the screen window; this will catch processes
|
|
# that did not leave a PID behind
|
|
# Uses globals ``SCREEN_NAME``, ``SERVICE_DIR``, ``USE_SCREEN``
|
|
# screen_stop_service service
|
|
function screen_stop_service {
|
|
local service=$1
|
|
|
|
SCREEN_NAME=${SCREEN_NAME:-stack}
|
|
SERVICE_DIR=${SERVICE_DIR:-${DEST}/status}
|
|
USE_SCREEN=$(trueorfalse True $USE_SCREEN)
|
|
|
|
if is_service_enabled $service; then
|
|
# Clean up the screen window
|
|
screen -S $SCREEN_NAME -p $service -X kill
|
|
fi
|
|
}
|
|
|
|
# Stop a service process
|
|
# If a PID is available use it, kill the whole process group via TERM
|
|
# If screen is being used kill the screen window; this will catch processes
|
|
# that did not leave a PID behind
|
|
# Uses globals ``SERVICE_DIR``, ``USE_SCREEN``
|
|
# stop_process service
|
|
function stop_process {
|
|
local service=$1
|
|
|
|
SERVICE_DIR=${SERVICE_DIR:-${DEST}/status}
|
|
USE_SCREEN=$(trueorfalse True $USE_SCREEN)
|
|
|
|
if is_service_enabled $service; then
|
|
# Kill via pid if we have one available
|
|
if [[ -r $SERVICE_DIR/$SCREEN_NAME/$service.pid ]]; then
|
|
pkill -g $(cat $SERVICE_DIR/$SCREEN_NAME/$service.pid)
|
|
rm $SERVICE_DIR/$SCREEN_NAME/$service.pid
|
|
fi
|
|
if [[ "$USE_SCREEN" = "True" ]]; then
|
|
# Clean up the screen window
|
|
screen_stop_service $service
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# Helper to get the status of each running service
|
|
# service_check
|
|
function service_check {
|
|
local service
|
|
local failures
|
|
SCREEN_NAME=${SCREEN_NAME:-stack}
|
|
SERVICE_DIR=${SERVICE_DIR:-${DEST}/status}
|
|
|
|
|
|
if [[ ! -d "$SERVICE_DIR/$SCREEN_NAME" ]]; then
|
|
echo "No service status directory found"
|
|
return
|
|
fi
|
|
|
|
# Check if there is any falure flag file under $SERVICE_DIR/$SCREEN_NAME
|
|
# make this -o errexit safe
|
|
failures=`ls "$SERVICE_DIR/$SCREEN_NAME"/*.failure 2>/dev/null || /bin/true`
|
|
|
|
for service in $failures; do
|
|
service=`basename $service`
|
|
service=${service%.failure}
|
|
echo "Error: Service $service is not running"
|
|
done
|
|
|
|
if [ -n "$failures" ]; then
|
|
die $LINENO "More details about the above errors can be found with screen, with ./rejoin-stack.sh"
|
|
fi
|
|
}
|
|
|
|
# Tail a log file in a screen if USE_SCREEN is true.
|
|
function tail_log {
|
|
local service=$1
|
|
local logfile=$2
|
|
|
|
USE_SCREEN=$(trueorfalse True $USE_SCREEN)
|
|
if [[ "$USE_SCREEN" = "True" ]]; then
|
|
screen_service "$service" "sudo tail -f $logfile"
|
|
fi
|
|
}
|
|
|
|
|
|
# Deprecated Functions
|
|
# --------------------
|
|
|
|
# _old_run_process() is designed to be backgrounded by old_run_process() to simulate a
|
|
# fork. It includes the dirty work of closing extra filehandles and preparing log
|
|
# files to produce the same logs as screen_it(). The log filename is derived
|
|
# from the service name and global-and-now-misnamed ``SCREEN_LOGDIR``
|
|
# Uses globals ``CURRENT_LOG_TIME``, ``SCREEN_LOGDIR``, ``SCREEN_NAME``, ``SERVICE_DIR``
|
|
# _old_run_process service "command-line"
|
|
function _old_run_process {
|
|
local service=$1
|
|
local command="$2"
|
|
|
|
# Undo logging redirections and close the extra descriptors
|
|
exec 1>&3
|
|
exec 2>&3
|
|
exec 3>&-
|
|
exec 6>&-
|
|
|
|
if [[ -n ${SCREEN_LOGDIR} ]]; then
|
|
exec 1>&${SCREEN_LOGDIR}/screen-${1}.${CURRENT_LOG_TIME}.log 2>&1
|
|
ln -sf ${SCREEN_LOGDIR}/screen-${1}.${CURRENT_LOG_TIME}.log ${SCREEN_LOGDIR}/screen-${1}.log
|
|
|
|
# TODO(dtroyer): Hack to get stdout from the Python interpreter for the logs.
|
|
export PYTHONUNBUFFERED=1
|
|
fi
|
|
|
|
exec /bin/bash -c "$command"
|
|
die "$service exec failure: $command"
|
|
}
|
|
|
|
# old_run_process() launches a child process that closes all file descriptors and
|
|
# then exec's the passed in command. This is meant to duplicate the semantics
|
|
# of screen_it() without screen. PIDs are written to
|
|
# ``$SERVICE_DIR/$SCREEN_NAME/$service.pid`` by the spawned child process.
|
|
# old_run_process service "command-line"
|
|
function old_run_process {
|
|
local service=$1
|
|
local command="$2"
|
|
|
|
# Spawn the child process
|
|
_old_run_process "$service" "$command" &
|
|
echo $!
|
|
}
|
|
|
|
# Compatibility for existing start_XXXX() functions
|
|
# Uses global ``USE_SCREEN``
|
|
# screen_it service "command-line"
|
|
function screen_it {
|
|
if is_service_enabled $1; then
|
|
# Append the service to the screen rc file
|
|
screen_rc "$1" "$2"
|
|
|
|
if [[ "$USE_SCREEN" = "True" ]]; then
|
|
screen_service "$1" "$2"
|
|
else
|
|
# Spawn directly without screen
|
|
old_run_process "$1" "$2" >$SERVICE_DIR/$SCREEN_NAME/$1.pid
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# Compatibility for existing stop_XXXX() functions
|
|
# Stop a service in screen
|
|
# If a PID is available use it, kill the whole process group via TERM
|
|
# If screen is being used kill the screen window; this will catch processes
|
|
# that did not leave a PID behind
|
|
# screen_stop service
|
|
function screen_stop {
|
|
# Clean up the screen window
|
|
stop_process $1
|
|
}
|
|
|
|
|
|
# Python Functions
|
|
# ================
|
|
|
|
# Get the path to the pip command.
|
|
# get_pip_command
|
|
function get_pip_command {
|
|
which pip || which pip-python
|
|
|
|
if [ $? -ne 0 ]; then
|
|
die $LINENO "Unable to find pip; cannot continue"
|
|
fi
|
|
}
|
|
|
|
# Get the path to the direcotry where python executables are installed.
|
|
# get_python_exec_prefix
|
|
function get_python_exec_prefix {
|
|
if is_fedora || is_suse; then
|
|
echo "/usr/bin"
|
|
else
|
|
echo "/usr/local/bin"
|
|
fi
|
|
}
|
|
|
|
# Wrapper for ``pip install`` to set cache and proxy environment variables
|
|
# Uses globals ``OFFLINE``, ``PIP_DOWNLOAD_CACHE``, ``PIP_USE_MIRRORS``,
|
|
# ``TRACK_DEPENDS``, ``*_proxy``
|
|
# pip_install package [package ...]
|
|
function pip_install {
|
|
local xtrace=$(set +o | grep xtrace)
|
|
set +o xtrace
|
|
if [[ "$OFFLINE" = "True" || -z "$@" ]]; then
|
|
$xtrace
|
|
return
|
|
fi
|
|
|
|
if [[ -z "$os_PACKAGE" ]]; then
|
|
GetOSVersion
|
|
fi
|
|
if [[ $TRACK_DEPENDS = True ]]; then
|
|
source $DEST/.venv/bin/activate
|
|
CMD_PIP=$DEST/.venv/bin/pip
|
|
SUDO_PIP="env"
|
|
else
|
|
SUDO_PIP="sudo -H"
|
|
CMD_PIP=$(get_pip_command)
|
|
fi
|
|
|
|
# Mirror option not needed anymore because pypi has CDN available,
|
|
# but it's useful in certain circumstances
|
|
PIP_USE_MIRRORS=${PIP_USE_MIRRORS:-False}
|
|
if [[ "$PIP_USE_MIRRORS" != "False" ]]; then
|
|
PIP_MIRROR_OPT="--use-mirrors"
|
|
fi
|
|
|
|
# pip < 1.4 has a bug where it will use an already existing build
|
|
# directory unconditionally. Say an earlier component installs
|
|
# foo v1.1; pip will have built foo's source in
|
|
# /tmp/$USER-pip-build. Even if a later component specifies foo <
|
|
# 1.1, the existing extracted build will be used and cause
|
|
# confusing errors. By creating unique build directories we avoid
|
|
# this problem. See https://github.com/pypa/pip/issues/709
|
|
local pip_build_tmp=$(mktemp --tmpdir -d pip-build.XXXXX)
|
|
|
|
$xtrace
|
|
$SUDO_PIP PIP_DOWNLOAD_CACHE=${PIP_DOWNLOAD_CACHE:-/var/cache/pip} \
|
|
HTTP_PROXY=$http_proxy \
|
|
HTTPS_PROXY=$https_proxy \
|
|
NO_PROXY=$no_proxy \
|
|
$CMD_PIP install --build=${pip_build_tmp} \
|
|
$PIP_MIRROR_OPT $@ \
|
|
&& $SUDO_PIP rm -rf ${pip_build_tmp}
|
|
}
|
|
|
|
# should we use this library from their git repo, or should we let it
|
|
# get pulled in via pip dependencies.
|
|
function use_library_from_git {
|
|
local name=$1
|
|
local enabled=1
|
|
[[ ,${LIBS_FROM_GIT}, =~ ,${name}, ]] && enabled=0
|
|
return $enabled
|
|
}
|
|
|
|
# setup a library by name. If we are trying to use the library from
|
|
# git, we'll do a git based install, otherwise we'll punt and the
|
|
# library should be installed by a requirements pull from another
|
|
# project.
|
|
function setup_lib {
|
|
local name=$1
|
|
local dir=${GITDIR[$name]}
|
|
setup_install $dir
|
|
}
|
|
|
|
# setup a library by name in editiable mode. If we are trying to use
|
|
# the library from git, we'll do a git based install, otherwise we'll
|
|
# punt and the library should be installed by a requirements pull from
|
|
# another project.
|
|
#
|
|
# use this for non namespaced libraries
|
|
function setup_dev_lib {
|
|
local name=$1
|
|
local dir=${GITDIR[$name]}
|
|
setup_develop $dir
|
|
}
|
|
|
|
# this should be used if you want to install globally, all libraries should
|
|
# use this, especially *oslo* ones
|
|
function setup_install {
|
|
local project_dir=$1
|
|
setup_package_with_req_sync $project_dir
|
|
}
|
|
|
|
# this should be used for projects which run services, like all services
|
|
function setup_develop {
|
|
local project_dir=$1
|
|
setup_package_with_req_sync $project_dir -e
|
|
}
|
|
|
|
# ``pip install -e`` the package, which processes the dependencies
|
|
# using pip before running `setup.py develop`
|
|
#
|
|
# Updates the dependencies in project_dir from the
|
|
# openstack/requirements global list before installing anything.
|
|
#
|
|
# Uses globals ``TRACK_DEPENDS``, ``REQUIREMENTS_DIR``, ``UNDO_REQUIREMENTS``
|
|
# setup_develop directory
|
|
function setup_package_with_req_sync {
|
|
local project_dir=$1
|
|
local flags=$2
|
|
|
|
# Don't update repo if local changes exist
|
|
# Don't use buggy "git diff --quiet"
|
|
# ``errexit`` requires us to trap the exit code when the repo is changed
|
|
local update_requirements=$(cd $project_dir && git diff --exit-code >/dev/null || echo "changed")
|
|
|
|
if [[ $update_requirements != "changed" ]]; then
|
|
(cd $REQUIREMENTS_DIR; \
|
|
$SUDO_CMD python update.py $project_dir)
|
|
fi
|
|
|
|
setup_package $project_dir $flags
|
|
|
|
# We've just gone and possibly modified the user's source tree in an
|
|
# automated way, which is considered bad form if it's a development
|
|
# tree because we've screwed up their next git checkin. So undo it.
|
|
#
|
|
# However... there are some circumstances, like running in the gate
|
|
# where we really really want the overridden version to stick. So provide
|
|
# a variable that tells us whether or not we should UNDO the requirements
|
|
# changes (this will be set to False in the OpenStack ci gate)
|
|
if [ $UNDO_REQUIREMENTS = "True" ]; then
|
|
if [[ $update_requirements != "changed" ]]; then
|
|
(cd $project_dir && git reset --hard)
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# ``pip install -e`` the package, which processes the dependencies
|
|
# using pip before running `setup.py develop`
|
|
# Uses globals ``STACK_USER``
|
|
# setup_develop_no_requirements_update directory
|
|
function setup_package {
|
|
local project_dir=$1
|
|
local flags=$2
|
|
|
|
pip_install $flags $project_dir
|
|
# ensure that further actions can do things like setup.py sdist
|
|
if [[ "$flags" == "-e" ]]; then
|
|
safe_chown -R $STACK_USER $1/*.egg-info
|
|
fi
|
|
}
|
|
|
|
|
|
# Service Functions
|
|
# =================
|
|
|
|
# remove extra commas from the input string (i.e. ``ENABLED_SERVICES``)
|
|
# _cleanup_service_list service-list
|
|
function _cleanup_service_list {
|
|
echo "$1" | sed -e '
|
|
s/,,/,/g;
|
|
s/^,//;
|
|
s/,$//
|
|
'
|
|
}
|
|
|
|
# disable_all_services() removes all current services
|
|
# from ``ENABLED_SERVICES`` to reset the configuration
|
|
# before a minimal installation
|
|
# Uses global ``ENABLED_SERVICES``
|
|
# disable_all_services
|
|
function disable_all_services {
|
|
ENABLED_SERVICES=""
|
|
}
|
|
|
|
# Remove all services starting with '-'. For example, to install all default
|
|
# services except rabbit (rabbit) set in ``localrc``:
|
|
# ENABLED_SERVICES+=",-rabbit"
|
|
# Uses global ``ENABLED_SERVICES``
|
|
# disable_negated_services
|
|
function disable_negated_services {
|
|
local tmpsvcs="${ENABLED_SERVICES}"
|
|
local service
|
|
for service in ${tmpsvcs//,/ }; do
|
|
if [[ ${service} == -* ]]; then
|
|
tmpsvcs=$(echo ${tmpsvcs}|sed -r "s/(,)?(-)?${service#-}(,)?/,/g")
|
|
fi
|
|
done
|
|
ENABLED_SERVICES=$(_cleanup_service_list "$tmpsvcs")
|
|
}
|
|
|
|
# disable_service() removes the services passed as argument to the
|
|
# ``ENABLED_SERVICES`` list, if they are present.
|
|
#
|
|
# For example:
|
|
# disable_service rabbit
|
|
#
|
|
# This function does not know about the special cases
|
|
# for nova, glance, and neutron built into is_service_enabled().
|
|
# Uses global ``ENABLED_SERVICES``
|
|
# disable_service service [service ...]
|
|
function disable_service {
|
|
local tmpsvcs=",${ENABLED_SERVICES},"
|
|
local service
|
|
for service in $@; do
|
|
if is_service_enabled $service; then
|
|
tmpsvcs=${tmpsvcs//,$service,/,}
|
|
fi
|
|
done
|
|
ENABLED_SERVICES=$(_cleanup_service_list "$tmpsvcs")
|
|
}
|
|
|
|
# enable_service() adds the services passed as argument to the
|
|
# ``ENABLED_SERVICES`` list, if they are not already present.
|
|
#
|
|
# For example:
|
|
# enable_service qpid
|
|
#
|
|
# This function does not know about the special cases
|
|
# for nova, glance, and neutron built into is_service_enabled().
|
|
# Uses global ``ENABLED_SERVICES``
|
|
# enable_service service [service ...]
|
|
function enable_service {
|
|
local tmpsvcs="${ENABLED_SERVICES}"
|
|
for service in $@; do
|
|
if ! is_service_enabled $service; then
|
|
tmpsvcs+=",$service"
|
|
fi
|
|
done
|
|
ENABLED_SERVICES=$(_cleanup_service_list "$tmpsvcs")
|
|
disable_negated_services
|
|
}
|
|
|
|
# is_service_enabled() checks if the service(s) specified as arguments are
|
|
# enabled by the user in ``ENABLED_SERVICES``.
|
|
#
|
|
# Multiple services specified as arguments are ``OR``'ed together; the test
|
|
# is a short-circuit boolean, i.e it returns on the first match.
|
|
#
|
|
# There are special cases for some 'catch-all' services::
|
|
# **nova** returns true if any service enabled start with **n-**
|
|
# **cinder** returns true if any service enabled start with **c-**
|
|
# **ceilometer** returns true if any service enabled start with **ceilometer**
|
|
# **glance** returns true if any service enabled start with **g-**
|
|
# **neutron** returns true if any service enabled start with **q-**
|
|
# **swift** returns true if any service enabled start with **s-**
|
|
# **trove** returns true if any service enabled start with **tr-**
|
|
# For backward compatibility if we have **swift** in ENABLED_SERVICES all the
|
|
# **s-** services will be enabled. This will be deprecated in the future.
|
|
#
|
|
# Cells within nova is enabled if **n-cell** is in ``ENABLED_SERVICES``.
|
|
# We also need to make sure to treat **n-cell-region** and **n-cell-child**
|
|
# as enabled in this case.
|
|
#
|
|
# Uses global ``ENABLED_SERVICES``
|
|
# is_service_enabled service [service ...]
|
|
function is_service_enabled {
|
|
local xtrace=$(set +o | grep xtrace)
|
|
set +o xtrace
|
|
local enabled=1
|
|
services=$@
|
|
for service in ${services}; do
|
|
[[ ,${ENABLED_SERVICES}, =~ ,${service}, ]] && enabled=0
|
|
|
|
# Look for top-level 'enabled' function for this service
|
|
if type is_${service}_enabled >/dev/null 2>&1; then
|
|
# A function exists for this service, use it
|
|
is_${service}_enabled
|
|
enabled=$?
|
|
fi
|
|
|
|
# TODO(dtroyer): Remove these legacy special-cases after the is_XXX_enabled()
|
|
# are implemented
|
|
|
|
[[ ${service} == n-cell-* && ${ENABLED_SERVICES} =~ "n-cell" ]] && enabled=0
|
|
[[ ${service} == n-cpu-* && ${ENABLED_SERVICES} =~ "n-cpu" ]] && enabled=0
|
|
[[ ${service} == "nova" && ${ENABLED_SERVICES} =~ "n-" ]] && enabled=0
|
|
[[ ${service} == "cinder" && ${ENABLED_SERVICES} =~ "c-" ]] && enabled=0
|
|
[[ ${service} == "ceilometer" && ${ENABLED_SERVICES} =~ "ceilometer-" ]] && enabled=0
|
|
[[ ${service} == "glance" && ${ENABLED_SERVICES} =~ "g-" ]] && enabled=0
|
|
[[ ${service} == "ironic" && ${ENABLED_SERVICES} =~ "ir-" ]] && enabled=0
|
|
[[ ${service} == "neutron" && ${ENABLED_SERVICES} =~ "q-" ]] && enabled=0
|
|
[[ ${service} == "trove" && ${ENABLED_SERVICES} =~ "tr-" ]] && enabled=0
|
|
[[ ${service} == "swift" && ${ENABLED_SERVICES} =~ "s-" ]] && enabled=0
|
|
[[ ${service} == s-* && ${ENABLED_SERVICES} =~ "swift" ]] && enabled=0
|
|
done
|
|
$xtrace
|
|
return $enabled
|
|
}
|
|
|
|
# Toggle enable/disable_service for services that must run exclusive of each other
|
|
# $1 The name of a variable containing a space-separated list of services
|
|
# $2 The name of a variable in which to store the enabled service's name
|
|
# $3 The name of the service to enable
|
|
function use_exclusive_service {
|
|
local options=${!1}
|
|
local selection=$3
|
|
out=$2
|
|
[ -z $selection ] || [[ ! "$options" =~ "$selection" ]] && return 1
|
|
for opt in $options;do
|
|
[[ "$opt" = "$selection" ]] && enable_service $opt || disable_service $opt
|
|
done
|
|
eval "$out=$selection"
|
|
return 0
|
|
}
|
|
|
|
|
|
# System Functions
|
|
# ================
|
|
|
|
# Only run the command if the target file (the last arg) is not on an
|
|
# NFS filesystem.
|
|
function _safe_permission_operation {
|
|
local xtrace=$(set +o | grep xtrace)
|
|
set +o xtrace
|
|
local args=( $@ )
|
|
local last
|
|
local sudo_cmd
|
|
local dir_to_check
|
|
|
|
let last="${#args[*]} - 1"
|
|
|
|
dir_to_check=${args[$last]}
|
|
if [ ! -d "$dir_to_check" ]; then
|
|
dir_to_check=`dirname "$dir_to_check"`
|
|
fi
|
|
|
|
if is_nfs_directory "$dir_to_check" ; then
|
|
$xtrace
|
|
return 0
|
|
fi
|
|
|
|
if [[ $TRACK_DEPENDS = True ]]; then
|
|
sudo_cmd="env"
|
|
else
|
|
sudo_cmd="sudo"
|
|
fi
|
|
|
|
$xtrace
|
|
$sudo_cmd $@
|
|
}
|
|
|
|
# Exit 0 if address is in network or 1 if address is not in network
|
|
# ip-range is in CIDR notation: 1.2.3.4/20
|
|
# address_in_net ip-address ip-range
|
|
function address_in_net {
|
|
local ip=$1
|
|
local range=$2
|
|
local masklen=${range#*/}
|
|
local network=$(maskip ${range%/*} $(cidr2netmask $masklen))
|
|
local subnet=$(maskip $ip $(cidr2netmask $masklen))
|
|
[[ $network == $subnet ]]
|
|
}
|
|
|
|
# Add a user to a group.
|
|
# add_user_to_group user group
|
|
function add_user_to_group {
|
|
local user=$1
|
|
local group=$2
|
|
|
|
if [[ -z "$os_VENDOR" ]]; then
|
|
GetOSVersion
|
|
fi
|
|
|
|
# SLE11 and openSUSE 12.2 don't have the usual usermod
|
|
if ! is_suse || [[ "$os_VENDOR" = "openSUSE" && "$os_RELEASE" != "12.2" ]]; then
|
|
sudo usermod -a -G "$group" "$user"
|
|
else
|
|
sudo usermod -A "$group" "$user"
|
|
fi
|
|
}
|
|
|
|
# Convert CIDR notation to a IPv4 netmask
|
|
# cidr2netmask cidr-bits
|
|
function cidr2netmask {
|
|
local maskpat="255 255 255 255"
|
|
local maskdgt="254 252 248 240 224 192 128"
|
|
set -- ${maskpat:0:$(( ($1 / 8) * 4 ))}${maskdgt:$(( (7 - ($1 % 8)) * 4 )):3}
|
|
echo ${1-0}.${2-0}.${3-0}.${4-0}
|
|
}
|
|
|
|
# Gracefully cp only if source file/dir exists
|
|
# cp_it source destination
|
|
function cp_it {
|
|
if [ -e $1 ] || [ -d $1 ]; then
|
|
cp -pRL $1 $2
|
|
fi
|
|
}
|
|
|
|
# HTTP and HTTPS proxy servers are supported via the usual environment variables [1]
|
|
# ``http_proxy``, ``https_proxy`` and ``no_proxy``. They can be set in
|
|
# ``localrc`` or on the command line if necessary::
|
|
#
|
|
# [1] http://www.w3.org/Daemon/User/Proxies/ProxyClients.html
|
|
#
|
|
# http_proxy=http://proxy.example.com:3128/ no_proxy=repo.example.net ./stack.sh
|
|
|
|
function export_proxy_variables {
|
|
if [[ -n "$http_proxy" ]]; then
|
|
export http_proxy=$http_proxy
|
|
fi
|
|
if [[ -n "$https_proxy" ]]; then
|
|
export https_proxy=$https_proxy
|
|
fi
|
|
if [[ -n "$no_proxy" ]]; then
|
|
export no_proxy=$no_proxy
|
|
fi
|
|
}
|
|
|
|
# Returns true if the directory is on a filesystem mounted via NFS.
|
|
function is_nfs_directory {
|
|
local mount_type=`stat -f -L -c %T $1`
|
|
test "$mount_type" == "nfs"
|
|
}
|
|
|
|
# Return the network portion of the given IP address using netmask
|
|
# netmask is in the traditional dotted-quad format
|
|
# maskip ip-address netmask
|
|
function maskip {
|
|
local ip=$1
|
|
local mask=$2
|
|
local l="${ip%.*}"; local r="${ip#*.}"; local n="${mask%.*}"; local m="${mask#*.}"
|
|
local subnet=$((${ip%%.*}&${mask%%.*})).$((${r%%.*}&${m%%.*})).$((${l##*.}&${n##*.})).$((${ip##*.}&${mask##*.}))
|
|
echo $subnet
|
|
}
|
|
|
|
# Service wrapper to restart services
|
|
# restart_service service-name
|
|
function restart_service {
|
|
if is_ubuntu; then
|
|
sudo /usr/sbin/service $1 restart
|
|
else
|
|
sudo /sbin/service $1 restart
|
|
fi
|
|
}
|
|
|
|
# Only change permissions of a file or directory if it is not on an
|
|
# NFS filesystem.
|
|
function safe_chmod {
|
|
_safe_permission_operation chmod $@
|
|
}
|
|
|
|
# Only change ownership of a file or directory if it is not on an NFS
|
|
# filesystem.
|
|
function safe_chown {
|
|
_safe_permission_operation chown $@
|
|
}
|
|
|
|
# Service wrapper to start services
|
|
# start_service service-name
|
|
function start_service {
|
|
if is_ubuntu; then
|
|
sudo /usr/sbin/service $1 start
|
|
else
|
|
sudo /sbin/service $1 start
|
|
fi
|
|
}
|
|
|
|
# Service wrapper to stop services
|
|
# stop_service service-name
|
|
function stop_service {
|
|
if is_ubuntu; then
|
|
sudo /usr/sbin/service $1 stop
|
|
else
|
|
sudo /sbin/service $1 stop
|
|
fi
|
|
}
|
|
|
|
|
|
# Restore xtrace
|
|
$XTRACE
|
|
|
|
# Local variables:
|
|
# mode: shell-script
|
|
# End:
|