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provision.sh
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provision.sh
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#!/usr/bin/env bash
# butchered version of https://github.com/MSMFG/tru-strap
main() {
pathmunge /usr/local/bin
parse_args "$@"
install_yum_deps
install_ruby
install_gem_deps
inject_ssh_key
clone_git_repo
symlink_puppet_dir
fetch_puppet_modules
run_puppet
}
usagemessage="Error, USAGE: $(basename "${0}") \n \
--role|-r \n \
--environment|-e \n \
--repouser|-u \n \
--reponame|-n \n \
[--repoprivkeyfile|-k] \n \
[--repobranch|-b] \n \
[--help|-h] \n \
[--version|-v]"
puppetdir="/etc/puppetlabs/puppet"
function log_error() {
echo "###############------Fatal error!------###############"
caller
printf "%s\n" "${1}"
exit 1
}
# from centos /etc/profile
pathmunge() {
case ":${PATH}:" in
*:"$1":*)
;;
*)
if [ "$2" = "after" ] ; then
PATH=$PATH:$1
else
PATH=$1:$PATH
fi
esac
}
# Parse the commmand line arguments
parse_args() {
while [[ -n "${1}" ]] ; do
case "${1}" in
--help|-h)
echo -e ${usagemessage}
exit
;;
--version|-v)
print_version "${PROGNAME}" "${VERSION}"
exit
;;
--role|-r)
set_facter init_role "${2}"
shift
;;
--environment|-e)
set_facter init_env "${2}"
shift
;;
--repouser|-u)
set_facter init_repouser "${2}"
shift
;;
--reponame|-n)
set_facter init_reponame "${2}"
shift
;;
--repoprivkeyfile|-k)
set_facter init_repoprivkeyfile "${2}"
shift
;;
--repobranch|-b)
set_facter init_repobranch "${2}"
shift
;;
--debug)
shift
;;
*)
echo "Unknown argument: ${1}"
echo -e "${usagemessage}"
exit 1
;;
esac
shift
done
# Define required parameters.
if [[ -z "${FACTER_init_role}" || \
-z "${FACTER_init_env}" || \
-z "${FACTER_init_repouser}" || \
-z "${FACTER_init_reponame}" ]]; then
echo -e "${usagemessage}"
exit 1
fi
# Set some defaults if they aren't given on the command line.
[[ -z "${FACTER_init_repobranch}" ]] && set_facter init_repobranch master
[[ -z "${FACTER_init_repodir}" ]] && set_facter init_repodir /opt/"${FACTER_init_reponame}"
}
# Install yum packages if they're not already installed
yum_install() {
for i in "$@"
do
if ! rpm -q ${i} > /dev/null 2>&1; then
local RESULT=''
RESULT=$(yum install -y ${i} 2>&1)
if [[ $? != 0 ]]; then
log_error "Failed to install yum package: ${i}\nyum returned:\n${RESULT}"
else
echo "Installed yum package: ${i}"
fi
fi
done
}
# Install Ruby gems if they're not already installed
gem_install() {
local RESULT=''
for i in "$@"
do
if [[ ${i} =~ ^.*:.*$ ]];then
MODULE=$(echo ${i} | cut -d ':' -f 1)
VERSION=$(echo ${i} | cut -d ':' -f 2)
if ! gem list -i --local ${MODULE} --version ${VERSION} > /dev/null 2>&1; then
echo "Installing ${i}"
RESULT=$(gem install ${i} --no-ri --no-rdoc)
if [[ $? != 0 ]]; then
log_error "Failed to install gem: ${i}\ngem returned:\n${RESULT}"
fi
fi
else
if ! gem list -i --local ${i} > /dev/null 2>&1; then
echo "Installing ${i}"
RESULT=$(gem install ${i} --no-ri --no-rdoc)
if [[ $? != 0 ]]; then
log_error "Failed to install gem: ${i}\ngem returned:\n${RESULT}"
fi
fi
fi
done
}
# Install the yum dependencies
install_yum_deps() {
echo "Installing required yum packages"
yum_install augeas-devel ncurses-devel gcc gcc-c++ curl git
}
print_version() {
echo "${1}" "${2}"
}
# Set custom facter facts
set_facter() {
local key=${1}
#Note: The name of the evironment variable is not the same as the facter fact.
local export_key=FACTER_${key}
local value=${2}
export ${export_key}="${value}"
if [[ ! -d /etc/facter ]]; then
mkdir -p /etc/facter/facts.d || log_error "Failed to create /etc/facter/facts.d"
fi
if ! echo "${key}=${value}" > /etc/facter/facts.d/"${key}".txt; then
log_error "Failed to create /etc/facter/facts.d/${key}.txt"
fi
chmod -R 600 /etc/facter || log_error "Failed to set permissions on /etc/facter"
cat /etc/facter/facts.d/"${key}".txt || log_error "Failed to create ${key}.txt"
}
install_ruby() {
yum_install ruby ruby-devel
}
# Install the gem dependencies
install_gem_deps() {
echo "Installing puppet and related gems"
gem_install puppet hiera facter ruby-augeas hiera-eyaml ruby-shadow
}
# Inject the SSH key to allow git cloning
inject_ssh_key() {
# Set Git login params
if [[ ! -d /root/.ssh ]]; then
mkdir /root/.ssh || log_error "Failed to create /root/.ssh"
chmod 600 /root/.ssh || log_error "Failed to change permissions on /root/.ssh"
fi
echo "StrictHostKeyChecking=no" > /root/.ssh/config ||log_error "Failed to set ssh config"
if [[ -n "${FACTER_init_repoprivkeyfile}" ]]; then
echo "Injecting private ssh key"
GITHUB_PRI_KEY=$(cat "${FACTER_init_repoprivkeyfile}")
echo "${GITHUB_PRI_KEY}" > /root/.ssh/id_rsa || log_error "Failed to set ssh private key"
fi
chmod -R 600 /root/.ssh || log_error "Failed to set permissions on /root/.ssh"
}
# Clone the git repo
clone_git_repo() {
echo "Cloning ${FACTER_init_repouser}/${FACTER_init_reponame} repo"
rm -rf "${FACTER_init_repodir}"
# test for repoprivkeyfile
if [[ -n "${FACTER_init_repoprivkeyfile}" ]]; then
clone_git_ssh_repo
else
clone_git_http_repo
fi
}
# Clone the git repo
clone_git_ssh_repo() {
# Clone private repo.
# Exit if the clone fails
if ! git clone -b "${FACTER_init_repobranch}" [email protected]:"${FACTER_init_repouser}"/"${FACTER_init_reponame}".git "${FACTER_init_repodir}";
then
log_error "Failed to clone [email protected]:${FACTER_init_repouser}/${FACTER_init_reponame}.git"
fi
}
# Clone public repo
clone_git_http_repo() {
if ! git clone -b "${FACTER_init_repobranch}" https://github.com/"${FACTER_init_repouser}"/"${FACTER_init_reponame}".git "${FACTER_init_repodir}";
then
log_error "Failed to clone https://github.com/${FACTER_init_repouser}/${FACTER_init_reponame}.git"
fi
}
# Symlink the cloned git repo to the usual location for Puppet to run
symlink_puppet_dir() {
# get puppet version - also happens to create /etc/puppetlabs
local PUPPETVER=$(echo $(puppet --version) | cut -d '.' -f 1)
local RESULT=''
# Link $puppetdir to our private repo.
PUPPET_DIR="${FACTER_init_repodir}/puppet"
if [ -e ${puppetdir} ]; then
RESULT=$(rm -rf ${puppetdir});
if [[ $? != 0 ]]; then
log_error "Failed to remove ${puppetdir}\nrm returned:\n${RESULT}"
fi
fi
RESULT=$(ln -s "${PUPPET_DIR}" ${puppetdir})
if [[ $? != 0 ]]; then
log_error "Failed to create symlink from ${PUPPET_DIR}\nln returned:\n${RESULT}"
fi
if [ -e /etc/hiera.yaml ]; then
RESULT=$(rm -f /etc/hiera.yaml)
if [[ $? != 0 ]]; then
log_error "Failed to remove /etc/hiera.yaml\nrm returned:\n${RESULT}"
fi
fi
RESULT=$(ln -s ${puppetdir}/hiera.yaml /etc/hiera.yaml)
if [[ $? != 0 ]]; then
log_error "Failed to create symlink from /etc/hiera.yaml\nln returned:\n${RESULT}"
fi
# if puppet ver = 4, link to modules
if [[ "${PUPPETVER}" == "4" ]]; then
local codedir="/etc/puppetlabs/code"
if [ -e ${codedir} ]; then
RESULT=$(rm -rf ${codedir});
if [[ $? != 0 ]]; then
log_error "Failed to remove ${codedir}\nrm returned:\n${RESULT}"
fi
fi
RESULT=$(ln -s "${PUPPET_DIR}" ${codedir})
if [[ $? != 0 ]]; then
log_error "Failed to create symlink from ${PUPPET_DIR}\nln returned:\n${RESULT}"
fi
fi
}
run_librarian() {
gem_install activesupport:4.2.6 librarian-puppet
echo -n "Running librarian-puppet"
local RESULT=''
RESULT=$(librarian-puppet install --verbose)
if [[ $? != 0 ]]; then
log_error "librarian-puppet failed.\nThe full output was:\n${RESULT}"
fi
librarian-puppet show
}
# Fetch the Puppet modules via the moduleshttpcache or librarian-puppet
fetch_puppet_modules() {
ENV_BASE_PUPPETFILE="${FACTER_init_env}/Puppetfile.base"
ENV_ROLE_PUPPETFILE="${FACTER_init_env}/Puppetfile.${FACTER_init_role}"
BASE_PUPPETFILE=Puppetfile.base
ROLE_PUPPETFILE=Puppetfile."${FACTER_init_role}"
if [[ -f "${puppetdir}/Puppetfiles/${ENV_BASE_PUPPETFILE}" ]]; then
BASE_PUPPETFILE="${ENV_BASE_PUPPETFILE}"
fi
if [[ -f "${puppetdir}/Puppetfiles/${ENV_ROLE_PUPPETFILE}" ]]; then
ROLE_PUPPETFILE="${ENV_ROLE_PUPPETFILE}"
fi
PUPPETFILE=${puppetdir}/Puppetfile
rm -f "${PUPPETFILE}" ; cat ${puppetdir}/Puppetfiles/"${BASE_PUPPETFILE}" ${puppetdir}/Puppetfiles/"${ROLE_PUPPETFILE}" > "${PUPPETFILE}"
PUPPETFILE_MD5SUM=$(md5sum "${PUPPETFILE}" | cut -d " " -f 1)
if [[ ! -z $PASSWD ]]; then
MODULE_ARCH=${FACTER_init_role}."${PUPPETFILE_MD5SUM}".tar.gz.aes
else
MODULE_ARCH=${FACTER_init_role}."${PUPPETFILE_MD5SUM}".tar.gz
fi
cd "${PUPPET_DIR}" || log_error "Failed to cd to ${PUPPET_DIR}"
run_librarian
}
# Execute the Puppet run
run_puppet() {
export LC_ALL=en_GB.utf8
echo ""
echo "Running puppet apply"
puppet apply ${puppetdir}/manifests/site.pp --detailed-exitcodes
PUPPET_EXIT=$?
case $PUPPET_EXIT in
0 )
echo "Puppet run succeeded with no failures."
;;
1 )
log_error "Puppet run failed."
;;
2 )
echo "Puppet run succeeded, and some resources were changed."
;;
4 )
log_error "Puppet run succeeded, but some resources failed."
;;
6 )
log_error "Puppet run succeeded, and included both changes and failures."
;;
* )
log_error "Puppet run returned unexpected exit code."
;;
esac
#Find the newest puppet log
local PUPPET_LOG=''
local reportdir="/opt/puppetlabs/puppet/cache/reports"
if [[ -d "/var/lib/puppet/reports" ]]; then
reportdir="/var/lib/puppet/reports"
fi
PUPPET_LOG=$(find ${reportdir} -type f -exec ls -ltr {} + | tail -n 1 | awk '{print $9}')
PERFORMANCE_DATA=( $(grep evaluation_time "${PUPPET_LOG}" | awk '{print $2}' | sort -n | tail -10 ) )
echo "===============-Top 10 slowest Puppet resources-==============="
for i in ${PERFORMANCE_DATA[*]}; do
echo -n "${i}s - "
echo "$(grep -B 3 "$i" ${reportdir}/*/*.yaml | head -1 | awk '{print $2 $3}' )"
done | tac
echo "===============-Top 10 slowest Puppet resources-==============="
}
main "$@"