ada886dd43
Ia0957b47187c3dcadd46154b17022c4213781112 proposes to have bashate find instances of setting a local value. The issue is that "local" always returns 0, thus hiding any failure in the commands running to set the variable. This is an automated replacement of such instances Depends-On: I676c805e8f0401f75cc5367eee83b3d880cdef81 Change-Id: I9c8912a8fd596535589b207d7fc553b9d951d3fe
200 lines
6.8 KiB
Bash
200 lines
6.8 KiB
Bash
#!/bin/bash
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#
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# lib/apache
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# Functions to control configuration and operation of apache web server
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# Dependencies:
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#
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# - ``functions`` file
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# - ``STACK_USER`` must be defined
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#
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# lib/apache exports the following functions:
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#
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# - install_apache_wsgi
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# - apache_site_config_for
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# - enable_apache_site
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# - disable_apache_site
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# - start_apache_server
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# - stop_apache_server
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# - restart_apache_server
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# Save trace setting
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XTRACE=$(set +o | grep xtrace)
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set +o xtrace
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# Allow overriding the default Apache user and group, default to
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# current user and his default group.
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APACHE_USER=${APACHE_USER:-$STACK_USER}
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APACHE_GROUP=${APACHE_GROUP:-$(id -gn $APACHE_USER)}
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# Set up apache name and configuration directory
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if is_ubuntu; then
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APACHE_NAME=apache2
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APACHE_CONF_DIR=${APACHE_CONF_DIR:-/etc/$APACHE_NAME/sites-available}
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elif is_fedora; then
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APACHE_NAME=httpd
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APACHE_CONF_DIR=${APACHE_CONF_DIR:-/etc/$APACHE_NAME/conf.d}
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elif is_suse; then
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APACHE_NAME=apache2
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APACHE_CONF_DIR=${APACHE_CONF_DIR:-/etc/$APACHE_NAME/vhosts.d}
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fi
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# Functions
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# ---------
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# install_apache_wsgi() - Install Apache server and wsgi module
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function install_apache_wsgi {
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# Apache installation, because we mark it NOPRIME
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if is_ubuntu; then
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# Install apache2, which is NOPRIME'd
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install_package apache2 libapache2-mod-wsgi
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# WSGI isn't enabled by default, enable it
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sudo a2enmod wsgi
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elif is_fedora; then
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sudo rm -f /etc/httpd/conf.d/000-*
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install_package httpd mod_wsgi
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elif is_suse; then
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install_package apache2 apache2-mod_wsgi
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# WSGI isn't enabled by default, enable it
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sudo a2enmod wsgi
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else
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exit_distro_not_supported "apache installation"
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fi
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# ensure mod_version enabled for <IfVersion ...>. This is
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# built-in statically on anything recent, but precise (2.2)
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# doesn't have it enabled
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sudo a2enmod version || true
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}
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# get_apache_version() - return the version of Apache installed
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# This function is used to determine the Apache version installed. There are
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# various differences between Apache 2.2 and 2.4 that warrant special handling.
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function get_apache_version {
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if is_ubuntu; then
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local version_str
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version_str=$(sudo /usr/sbin/apache2ctl -v | awk '/Server version/ {print $3}' | cut -f2 -d/)
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elif is_fedora; then
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local version_str
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version_str=$(rpm -qa --queryformat '%{VERSION}' httpd)
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elif is_suse; then
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local version_str
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version_str=$(rpm -qa --queryformat '%{VERSION}' apache2)
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else
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exit_distro_not_supported "cannot determine apache version"
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fi
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if [[ "$version_str" =~ ^2\.2\. ]]; then
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echo "2.2"
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elif [[ "$version_str" =~ ^2\.4\. ]]; then
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echo "2.4"
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else
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exit_distro_not_supported "apache version not supported"
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fi
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}
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# apache_site_config_for() - The filename of the site's configuration file.
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# This function uses the global variables APACHE_NAME and APACHE_CONF_DIR.
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#
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# On Ubuntu 14.04, the site configuration file must have a .conf suffix for a2ensite and a2dissite to
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# recognise it. a2ensite and a2dissite ignore the .conf suffix used as parameter. The default sites'
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# files are 000-default.conf and default-ssl.conf.
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#
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# On Ubuntu 12.04, the site configuration file may have any format, as long as it is in
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# /etc/apache2/sites-available/. a2ensite and a2dissite need the entire file name to work. The default
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# sites' files are default and default-ssl.
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#
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# On Fedora and openSUSE, any file in /etc/httpd/conf.d/ whose name ends with .conf is enabled.
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#
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# On RHEL and CentOS, things should hopefully work as in Fedora.
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#
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# The table below summarizes what should happen on each distribution:
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# +----------------------+--------------------+--------------------------+--------------------------+
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# | Distribution | File name | Site enabling command | Site disabling command |
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# +----------------------+--------------------+--------------------------+--------------------------+
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# | Ubuntu 12.04 | site | a2ensite site | a2dissite site |
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# | Ubuntu 14.04 | site.conf | a2ensite site | a2dissite site |
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# | Fedora, RHEL, CentOS | site.conf.disabled | mv site.conf{.disabled,} | mv site.conf{,.disabled} |
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# +----------------------+--------------------+--------------------------+--------------------------+
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function apache_site_config_for {
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local site=$@
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if is_ubuntu; then
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local apache_version
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apache_version=$(get_apache_version)
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if [[ "$apache_version" == "2.2" ]]; then
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# Ubuntu 12.04 - Apache 2.2
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echo $APACHE_CONF_DIR/${site}
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else
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# Ubuntu 14.04 - Apache 2.4
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echo $APACHE_CONF_DIR/${site}.conf
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fi
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elif is_fedora || is_suse; then
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# fedora conf.d is only imported if it ends with .conf so this is approx the same
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local enabled_site_file="$APACHE_CONF_DIR/${site}.conf"
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if [ -f $enabled_site_file ]; then
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echo ${enabled_site_file}
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else
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echo ${enabled_site_file}.disabled
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fi
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fi
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}
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# enable_apache_site() - Enable a particular apache site
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function enable_apache_site {
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local site=$@
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if is_ubuntu; then
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sudo a2ensite ${site}
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elif is_fedora || is_suse; then
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local enabled_site_file="$APACHE_CONF_DIR/${site}.conf"
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# Do nothing if site already enabled or no site config exists
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if [[ -f ${enabled_site_file}.disabled ]] && [[ ! -f ${enabled_site_file} ]]; then
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sudo mv ${enabled_site_file}.disabled ${enabled_site_file}
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fi
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fi
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}
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# disable_apache_site() - Disable a particular apache site
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function disable_apache_site {
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local site=$@
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if is_ubuntu; then
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sudo a2dissite ${site}
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elif is_fedora || is_suse; then
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local enabled_site_file="$APACHE_CONF_DIR/${site}.conf"
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# Do nothing if no site config exists
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if [[ -f ${enabled_site_file} ]]; then
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sudo mv ${enabled_site_file} ${enabled_site_file}.disabled
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fi
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fi
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}
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# start_apache_server() - Start running apache server
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function start_apache_server {
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start_service $APACHE_NAME
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}
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# stop_apache_server() - Stop running apache server
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function stop_apache_server {
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if [ -n "$APACHE_NAME" ]; then
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stop_service $APACHE_NAME
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else
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exit_distro_not_supported "apache configuration"
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fi
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}
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# restart_apache_server
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function restart_apache_server {
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# Apache can be slow to stop, doing an explicit stop, sleep, start helps
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# to mitigate issues where apache will claim a port it's listening on is
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# still in use and fail to start.
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stop_service $APACHE_NAME
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sleep 3
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start_service $APACHE_NAME
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}
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# Restore xtrace
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$XTRACE
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# Tell emacs to use shell-script-mode
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## Local variables:
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## mode: shell-script
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## End:
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