#!/bin/bash usage() { cat << EOF Install (or upgrade) an umbrella Helm Chart, and its subcharts, as separate Helm Releases The umbrella Helm Chart is broken apart into a parent release and subchart releases. Subcharts the are disabled (<chart>.enabled=false) will not be installed or upgraded. All releases are grouped and deployed within the same namespace. The deploy arguments must be a release and chart. The chart argument can be either: a chart reference('stable/onap'), a path to a chart directory, a packaged chart, or a fully qualified URL. For chart references, the latest version will be specified unless the '--version' flag is set. To override values in a chart, use either the '--values' flag and pass in a file or use the '--set' flag and pass configuration from the command line, to force string values, use '--set-string'. You can specify the '--values'/'-f' flag multiple times. The priority will be given to the last (right-most) file specified. For example, if both myvalues.yaml and override.yaml contained a key called 'Test', the value set in override.yaml would take precedence: $ helm deploy demo ./onap --namespace onap -f openstack.yaml -f overrides.yaml You can specify the '--set' flag multiple times. The priority will be given to the last (right-most) set specified. For example, if both 'bar' and 'newbar' values are set for a key called 'foo', the 'newbar' value would take precedence: $ helm deploy demo local/onap --namespace onap -f overrides.yaml --set log.enabled=false --set vid.enabled=false Usage: helm deploy [RELEASE] [CHART] [flags] Flags: --namespace string namespace to install the release into. Defaults to the current kube config namespace. --set stringArray set values on the command line (can specify multiple or separate values with commas: key1=val1,key2=val2) --set-string stringArray set STRING values on the command line (can specify multiple or separate values with commas: key1=val1,key2=val2) -f, --values valueFiles specify values in a YAML file or a URL(can specify multiple) (default []) --verbose enables full helm install/upgrade output during deploy EOF } generate_overrides() { SUBCHART_NAMES=($(cat $COMPUTED_OVERRIDES | grep -v '^\s\s')) for index in "${!SUBCHART_NAMES[@]}"; do START=${SUBCHART_NAMES[index]} END=${SUBCHART_NAMES[index+1]} if [[ $START == "global:" ]]; then echo "global:" > $GLOBAL_OVERRIDES cat $COMPUTED_OVERRIDES | sed '/common:/,/consul:/d' \ | sed -n '/'"$START"'/,/'log:'/p' | sed '1d;$d' >> $GLOBAL_OVERRIDES else SUBCHART_DIR="$CACHE_SUBCHART_DIR/$(cut -d':' -f1 <<<"$START")" if [[ -d "$SUBCHART_DIR" ]]; then if [[ -z "$END" ]]; then cat $COMPUTED_OVERRIDES | sed -n '/^'"$START"'/,/'"$END"'/p' \ | sed '1d;$d' | cut -c3- > $SUBCHART_DIR/subchart-overrides.yaml else cat $COMPUTED_OVERRIDES | sed -n '/^'"$START"'/,/^'"$END"'/p' \ | sed '1d;$d' | cut -c3- > $SUBCHART_DIR/subchart-overrides.yaml fi fi fi done } resolve_deploy_flags() { flags=($1) n=${#flags[*]} for (( i = 0; i < n; i++ )); do PARAM=${flags[i]} if [[ $PARAM == "-f" || \ $PARAM == "--values" || \ $PARAM == "--set" || \ $PARAM == "--set-string" || \ $PARAM == "--version" ]]; then # skip param and its value i=$((i + 1)) else DEPLOY_FLAGS="$DEPLOY_FLAGS $PARAM" fi done echo "$DEPLOY_FLAGS" } deploy() { # validate params if [[ -z "$1" || -z "$2" ]]; then usage exit 0 fi RELEASE=$1 CHART_URL=$2 FLAGS=${@:3} CHART_REPO="$(cut -d'/' -f1 <<<"$CHART_URL")" CHART_NAME="$(cut -d'/' -f2 <<<"$CHART_URL")" CACHE_DIR=~/.helm/plugins/deploy/cache CHART_DIR=$CACHE_DIR/$CHART_NAME CACHE_SUBCHART_DIR=$CHART_DIR-subcharts LOG_DIR=$CHART_DIR/logs # determine if verbose output is enabled VERBOSE="false" if [[ $FLAGS = *"--verbose"* ]]; then FLAGS="$(echo $FLAGS| sed -n 's/--verbose//p')" VERBOSE="true" fi if [[ $FLAGS = *"--dry-run"* ]]; then VERBOSE="true" FLAGS="$FLAGS --debug" fi # should pass all flags instead NAMESPACE="$(echo $FLAGS | sed -n 's/.*\(namespace\).\s*/\1/p' | cut -c10- | cut -d' ' -f1)" VERSION="$(echo $FLAGS | sed -n 's/.*\(version\).\s*/\1/p' | cut -c8- | cut -d' ' -f1)" if [ ! -z $VERSION ]; then VERSION="--version $VERSION" fi # Remove all override values passed in as arguments. These will be used during dry run # to resolve computed override values. Remaining flags will be passed on during # actual upgrade/install of parent and subcharts. DEPLOY_FLAGS=$(resolve_deploy_flags "$FLAGS") # determine if upgrading individual subchart or entire parent + subcharts SUBCHART_RELEASE="$(cut -d'-' -f2 <<<"$RELEASE")" if [[ ! -d "$CACHE_SUBCHART_DIR/$SUBCHART_RELEASE" ]]; then SUBCHART_RELEASE= else # update specified subchart without parent RELEASE="$(cut -d'-' -f1 <<<"$RELEASE")" fi # clear previously cached charts rm -rf $CACHE_DIR # create log driectory mkdir -p $LOG_DIR # fetch umbrella chart (parent chart containing subcharts) if [[ -d "$CHART_URL" ]]; then mkdir -p $CHART_DIR cp -R $CHART_URL/* $CHART_DIR/ charts=$CHART_DIR/charts/* for subchart in $charts ; do tar xzf ${subchart} -C $CHART_DIR/charts/ done rm -rf $CHART_DIR/charts/*.tgz else echo "fetching $CHART_URL" helm fetch $CHART_URL --untar --untardir $CACHE_DIR $VERSION fi # move out subcharts to process separately mkdir -p $CACHE_SUBCHART_DIR mv $CHART_DIR/charts/* $CACHE_SUBCHART_DIR/ # temp hack - parent chart needs common subchart mv $CACHE_SUBCHART_DIR/common $CHART_DIR/charts/ # disable dependencies rm $CHART_DIR/requirements.lock mv $CHART_DIR/requirements.yaml $CHART_DIR/requirements.deploy # compute overrides for parent and all subcharts COMPUTED_OVERRIDES=$CACHE_DIR/$CHART_NAME/computed-overrides.yaml helm upgrade -i $RELEASE $CHART_DIR $FLAGS --dry-run --debug \ | sed -n '/COMPUTED VALUES:/,/HOOKS:/p' | sed '1d;$d' > $COMPUTED_OVERRIDES # extract global overrides to apply to parent and all subcharts GLOBAL_OVERRIDES=$CHART_DIR/global-overrides.yaml generate_overrides $COMPUTED_OVERRIDES $GLOBAL_OVERRIDES # upgrade/install parent chart first if [[ -z "$SUBCHART_RELEASE" ]]; then LOG_FILE=$LOG_DIR/${RELEASE}.log :> $LOG_FILE helm upgrade -i $RELEASE $CHART_DIR $DEPLOY_FLAGS -f $COMPUTED_OVERRIDES \ > $LOG_FILE.log 2>&1 if [[ $VERBOSE == "true" ]]; then cat $LOG_FILE else echo "release \"$RELEASE\" deployed" fi fi # upgrade/install each "enabled" subchart cd $CACHE_SUBCHART_DIR/ for subchart in * ; do SUBCHART_OVERRIDES=$CACHE_SUBCHART_DIR/$subchart/subchart-overrides.yaml SUBCHART_ENABLED=0 if [[ -f $SUBCHART_OVERRIDES ]]; then SUBCHART_ENABLED=$(cat $SUBCHART_OVERRIDES | grep -c "^enabled: true") fi if [[ $SUBCHART_ENABLED -eq 1 ]]; then if [[ -z "$SUBCHART_RELEASE" || $SUBCHART_RELEASE == "$subchart" ]]; then LOG_FILE=$LOG_DIR/"${RELEASE}-${subchart}".log :> $LOG_FILE helm upgrade -i "${RELEASE}-${subchart}" $CACHE_SUBCHART_DIR/$subchart \ $DEPLOY_FLAGS -f $GLOBAL_OVERRIDES -f $SUBCHART_OVERRIDES \ > $LOG_FILE 2>&1 if [[ $VERBOSE == "true" ]]; then cat $LOG_FILE else echo "release \"${RELEASE}-${subchart}\" deployed" fi fi else array=($(helm ls -q | grep "${RELEASE}-${subchart}")) n=${#array[*]} for (( i = n-1; i >= 0; i-- )); do helm del "${array[i]}" --purge done fi done # report on success/failures of installs/upgrades helm ls | grep FAILED | grep $RELEASE } case "${1:-"help"}" in "help") usage ;; "--help") usage ;; "-h") usage ;; *) deploy $1 $2 ${@:3} ;; esac exit 0