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dc-deployments-automation/roles/synchrony_config/files/start-synchrony
2019-07-10 09:21:28 +10:00

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#!/bin/bash
set -e
# Synchrony startup wrapper for systemd. Note: This expects the
# environment to be setup, usually by sourceing /etc/atl and
# /etc/atl.synchrony with EnvironmentFile. See the rest of this role
# for details. The rest of the variables below need to be calculated
# at runtime.
# Find the first Postgres driver in lib folder
SYNCHRONY_JWT_PRIVATE_KEY=""
SYNCHRONY_JWT_PUBLIC_KEY=""
ATL_POSTGRES_DRIVER_PATH=$(ls -t ${ATL_CONFLUENCE_INSTALL_DIR}/confluence/WEB-INF/lib/postgresql*.jar | head -n 1)
SYNCHRONY_CLASSPATH="${ATL_SYNCHRONY_JAR_PATH}:${ATL_POSTGRES_DRIVER_PATH}"
# To support retries these commands won't fail the script by virtue of using `--shell` option for xmllint.
function extractJWTKeyFromConfluenceConfig {
local keyType=$1
if [[ "${keyType}" != "jwt.private.key" && "${keyType}" != "jwt.public.key" ]]; then
echo "Unexpected value for keyType - ${keyType} to extract JWT key from confluence.cfg.xml"
exit 1
fi
echo "cat //properties/property[@name='${keyType}']/text()" | xmllint --nocdata --shell ${ATL_CONFLUENCE_SHARED_CONFIG_FILE} | sed '1d;$d'
}
# Synchrony requires JWT keys to communicate with Confluence application. These keys are written to the config file
# after admin will go through the setup and provide license. This function waits for the keys being available in the
# config file.
function waitForConfluenceConfigInSharedHome() {
echo "=== BEGIN: Waiting for confluence.cfg.xml available in shared home folder ==="
while [[ ! -f ${ATL_CONFLUENCE_SHARED_CONFIG_FILE} ]]; do
sleep ${ATL_SYNCHRONY_WAITING_CONFIG_TIME}
echo "====== : Keep waiting for ${ATL_SYNCHRONY_WAITING_CONFIG_TIME} seconds ======"
done
echo "====== : Fetching JWT keys from Confluence config... ======"
while [[ -z ${SYNCHRONY_JWT_PRIVATE_KEY} || -z ${SYNCHRONY_JWT_PUBLIC_KEY} ]]; do
SYNCHRONY_JWT_PRIVATE_KEY=$(extractJWTKeyFromConfluenceConfig 'jwt.private.key') 2>&1
SYNCHRONY_JWT_PUBLIC_KEY=$(extractJWTKeyFromConfluenceConfig 'jwt.public.key') 2>&1
if [[ -z ${SYNCHRONY_JWT_PRIVATE_KEY} || -z ${SYNCHRONY_JWT_PUBLIC_KEY} ]]; then
echo "====== : Could not load value for JWT key; will wait for next ${ATL_SYNCHRONY_WAITING_CONFIG_TIME} seconds before reload ======"
sleep ${ATL_SYNCHRONY_WAITING_CONFIG_TIME}
fi
done
echo "=== END: Waiting for confluence.cfg.xml available in shared home folder ==="
}
######################################################################
# Start Synchrony service
waitForConfluenceConfigInSharedHome
# Additional settings are in /etc/atl.synchrony
export SYNCHRONY_JWT_PRIVATE_KEY
export SYNCHRONY_JWT_PUBLIC_KEY
exec ${_RUNJAVA} \
-classpath ${SYNCHRONY_CLASSPATH} \
${ATL_SYNCHRONY_JVM_PROPERTIES} \
synchrony.core sql