openstack-ansible/scripts/scripts-library.sh
Jesse Pretorius 2b6c9c39fa Change bootstrap to install a pip version within a major range
This patch sets bootstrap-ansible to always install a pip version
within a specific major range.

Change-Id: Ib33a39f9c9bb1c648977200a76c1936b0461c2f7
2016-01-21 07:36:49 +00:00

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#!/usr/bin/env bash
# Copyright 2014, Rackspace US, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
## Vars ----------------------------------------------------------------------
LINE='----------------------------------------------------------------------'
MAX_RETRIES=${MAX_RETRIES:-5}
REPORT_DATA=${REPORT_DATA:-""}
ANSIBLE_PARAMETERS=${ANSIBLE_PARAMETERS:-""}
STARTTIME="${STARTTIME:-$(date +%s)}"
PIP_MAJOR_VERSION=${PIP_MAJOR_VERSION:-"7"}
# The default SSHD configuration has MaxSessions = 10. If a deployer changes
# their SSHD config, then the FORKS may be set to a higher number. We set the
# value to 10 or the number of CPU's, whichever is less. This is to balance
# between performance gains from the higher number, and CPU consumption. If
# FORKS is already set to a value, then we leave it alone.
if [ -z "${FORKS:-}" ]; then
CPU_NUM=$(grep -c ^processor /proc/cpuinfo)
if [ ${CPU_NUM} -lt "10" ]; then
FORKS=${CPU_NUM}
else
FORKS=10
fi
fi
## Functions -----------------------------------------------------------------
# Used to retry a process that may fail due to random issues.
function successerator {
set +e
# Get the time that the method was started.
OP_START_TIME=$(date +%s)
RETRY=0
# Set the initial return value to failure.
false
while [ $? -ne 0 -a ${RETRY} -lt ${MAX_RETRIES} ];do
((RETRY++))
if [ ${RETRY} -gt 1 ];then
$@ -vvvv
else
$@
fi
done
# If max retires were hit, fail.
if [ $? -ne 0 ] && [ ${RETRY} -eq ${MAX_RETRIES} ];then
echo -e "\nHit maximum number of retries, giving up...\n"
exit_fail
fi
# Print the time that the method completed.
OP_TOTAL_SECONDS="$(( $(date +%s) - OP_START_TIME ))"
REPORT_OUTPUT="${OP_TOTAL_SECONDS} seconds"
REPORT_DATA+="- Operation: [ $@ ]\t${REPORT_OUTPUT}\tNumber of Attempts [ ${RETRY} ]\n"
echo -e "Run Time = ${REPORT_OUTPUT}"
set -e
}
function install_bits {
# Use the successerator to run openstack-ansible with
# the appropriate number of forks
successerator openstack-ansible ${ANSIBLE_PARAMETERS} --forks ${FORKS} $@
}
function ssh_key_create {
# Ensure that the ssh key exists and is an authorized_key
key_path="${HOME}/.ssh"
key_file="${key_path}/id_rsa"
# Ensure that the .ssh directory exists and has the right mode
if [ ! -d ${key_path} ]; then
mkdir -p ${key_path}
chmod 700 ${key_path}
fi
if [ ! -f "${key_file}" -a ! -f "${key_file}.pub" ]; then
rm -f ${key_file}*
ssh-keygen -t rsa -f ${key_file} -N ''
fi
# Ensure that the public key is included in the authorized_keys
# for the default root directory and the current home directory
key_content=$(cat "${key_file}.pub")
if ! grep -q "${key_content}" ${key_path}/authorized_keys; then
echo "${key_content}" | tee -a ${key_path}/authorized_keys
fi
}
function exit_state {
set +x
TOTALSECONDS="$(( $(date +%s) - STARTTIME ))"
info_block "Run Time = ${TOTALSECONDS} seconds || $((TOTALSECONDS / 60)) minutes"
if [ "${1}" == 0 ];then
info_block "Status: Success"
else
info_block "Status: Failure"
fi
exit ${1}
}
function exit_success {
set +x
exit_state 0
}
function exit_fail {
set +x
log_instance_info
cat ${INFO_FILENAME}
info_block "Error Info - $@"
exit_state 1
}
function print_info {
PROC_NAME="- [ $@ ] -"
printf "\n%s%s\n" "$PROC_NAME" "${LINE:${#PROC_NAME}}"
}
function info_block {
echo "${LINE}"
print_info "$@"
echo "${LINE}"
}
function log_instance_info {
set +x
# Get host information post initial setup and reset verbosity
if [ ! -d "/openstack/log/instance-info" ];then
mkdir -p "/openstack/log/instance-info"
fi
export INFO_FILENAME="/openstack/log/instance-info/host_info_$(date +%s).log"
get_instance_info &> ${INFO_FILENAME}
set -x
}
function get_repos_info {
for i in /etc/apt/sources.list /etc/apt/sources.list.d/*; do
echo -e "\n$i"
cat $i
done
}
# Get instance info
function get_instance_info {
set +x
info_block 'Current User'
whoami
info_block 'Available Memory'
free -mt || true
info_block 'Available Disk Space'
df -h || true
info_block 'Mounted Devices'
mount || true
info_block 'Block Devices'
lsblk -i || true
info_block 'Block Devices Information'
blkid || true
info_block 'Block Device Partitions'
for i in /dev/xv* /dev/sd* /dev/vd*; do
if [ -b "$i" ];then
parted --script $i print || true
fi
done
info_block 'PV Information'
pvs || true
info_block 'VG Information'
vgs || true
info_block 'LV Information'
lvs || true
info_block 'CPU Information'
which lscpu && lscpu || true
info_block 'Kernel Information'
uname -a || true
info_block 'Container Information'
which lxc-ls && lxc-ls --fancy || true
info_block 'Firewall Information'
iptables -vnL || true
iptables -t nat -vnL || true
iptables -t mangle -vnL || true
info_block 'Network Devices'
ip a || true
info_block 'Network Routes'
ip r || true
info_block 'DNS Configuration'
cat /etc/resolv.conf
info_block 'Trace Path from google'
tracepath 8.8.8.8 -m 5 || true
info_block 'XEN Server Information'
if (which xenstore-read);then
xenstore-read vm-data/provider_data/provider || echo "\nxenstore Read Failed - Skipping\n"
else
echo -e "\nNo xenstore Information\n"
fi
get_repos_info &> /openstack/log/instance-info/host_repo_info_$(date +%s).log || true
dpkg-query --list &> /openstack/log/instance-info/host_packages_info_$(date +%s).log
}
function print_report {
# Print the stored report data
echo -e "${REPORT_DATA}"
}
function get_pip {
# check if pip is already installed
if [ "$(which pip)" ]; then
# if the version installed is the wrong version, fix it
if [ "$(pip --version | awk '{print $2}' | cut -d. -f1)" != ${PIP_MAJOR_VERSION} ]; then
pip install -I "pip>=${PIP_MAJOR_VERSION},<$((PIP_MAJOR_VERSION+1))"
fi
# when pip is not installed, install it
else
# If GET_PIP_URL is set, then just use it
if [ -n "${GET_PIP_URL:-}" ]; then
curl --silent ${GET_PIP_URL} > /opt/get-pip.py
if head -n 1 /opt/get-pip.py | grep python; then
python /opt/get-pip.py "pip>=${PIP_MAJOR_VERSION},<$((PIP_MAJOR_VERSION+1))"
return
fi
fi
# Try getting pip from bootstrap.pypa.io as a primary source
curl --silent https://bootstrap.pypa.io/get-pip.py > /opt/get-pip.py
if head -n 1 /opt/get-pip.py | grep python; then
python /opt/get-pip.py "pip>=${PIP_MAJOR_VERSION},<$((PIP_MAJOR_VERSION+1))"
return
fi
# Try the get-pip.py from the github repository as a primary source
curl --silent https://raw.githubusercontent.com/pypa/get-pip/master/get-pip.py > /opt/get-pip.py
if head -n 1 /opt/get-pip.py | grep python; then
python /opt/get-pip.py "pip>=${PIP_MAJOR_VERSION},<$((PIP_MAJOR_VERSION+1))"
return
fi
echo "A suitable download location for get-pip.py could not be found."
exit_fail
fi
}
## Signal traps --------------------------------------------------------------
# Trap all Death Signals and Errors
trap "exit_fail ${LINENO} $? 'Received STOP Signal'" SIGHUP SIGINT SIGTERM
trap "exit_fail ${LINENO} $?" ERR
## Determine OS --------------------------------------------------------------
# Determine the operating system of the base host
# Adds the $HOST_DISTRO, $HOST_VERSION, and $HOST_CODENAME bash variables.
eval "$(python $(dirname ${BASH_SOURCE})/os-detection.py)"
echo "Detected ${HOST_DISTRO} ${HOST_VERSION} (codename: ${HOST_CODENAME})"
## Pre-flight check ----------------------------------------------------------
# Make sure only root can run our script
if [ "$(id -u)" != "0" ]; then
info_block "This script must be run as root"
exit_state 1
fi
# Check that we are in the root path of the cloned repo
if [ ! -d "etc" -a ! -d "scripts" -a ! -d "playbooks" ]; then
info_block "** ERROR **"
echo "Please execute this script from the root directory of the cloned source code."
echo -e "Example: /opt/openstack-ansible/\n"
exit_state 1
fi
## Exports -------------------------------------------------------------------
# Export known paths
export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
# Export the home directory just in case it's not set
export HOME="/root"