Refactor to use common Openstack code. Allow upgrades from essex to folsom.
This commit is contained in:
Adam Gandelman
parent
34d000806a
commit
084bb19682
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@ -3,14 +3,6 @@ options:
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default: distro
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type: string
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description: Glance PPA from which to install. (distro, trunk, milestone, milestone-proposed or ppa:somewhere/else)
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api-config:
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default: /etc/glance/glance-api.conf
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type: string
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description: Full path to Glance API configuration.
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registry-config:
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default: /etc/glance/glance-registry.conf
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type: string
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description: Full path to Glance registry configuration.
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db-user:
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default: glance
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type: string
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@ -0,0 +1 @@
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glance-relations
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@ -1,55 +1,21 @@
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#$!/bin/bash
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#!/bin/bash
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CHARM="glance"
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SERVICES="glance-api glance-registry"
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PACKAGES="glance python-mysqldb python-swift python-keystone"
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PACKAGES="glance python-mysqldb python-swift python-keystone uuid"
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GLANCE_REGISTRY_CONF=$(config-get registry-config)
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GLANCE_REGISTRY_CONF="/etc/glance/glance-registry.conf"
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GLANCE_REGISTRY_PASTE_INI="/etc/glance/glance-registry-paste.ini"
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GLANCE_API_CONF=$(config-get api-config)
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GLANCE_API_CONF="/etc/glance/glance-api.conf"
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GLANCE_API_PASTE_INI="/etc/glance/glance-api-paste.ini"
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CONF_DIR="/etc/glance"
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DB_USER=$(config-get db-user)
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GLANCE_DB=$(config-get glance-db)
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PPA=$(config-get glance-release)
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HOSTNAME=`hostname -f`
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function glance_ctl_status {
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SERVICE=$1
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# workaround upstarts lack of scriptable return codes
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STATUS=$(service $SERVICE status | cut -d/ -f1 | awk '{ print $2 }')
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case $STATUS in
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"start") return 0 ;;
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"stop") return 1 ;;
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*) echo "ERROR: Unexpected status of service $SERVICE: $STATUS" && exit 1 ;;
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esac
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}
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function glance_ctl {
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if [[ $1 == "all" ]] ; then
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CTL=$SERVICES
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else
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CTL=$1
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fi
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ACTION=$2
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if [[ -z $CTL ]] || [[ -z $ACTION ]] ; then
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juju-log "ERROR glance_ctl: Not enough arguments"
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exit 1
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fi
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for i in $CTL ; do
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case $ACTION in
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"start")
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glance_ctl_status $i || service $i start ;;
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"stop")
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glance_ctl_status $i && service $i stop || return 0 ;;
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"restart")
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glance_ctl_status $i && service $i restart || service $i start ;;
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esac
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if [[ $? != 0 ]] ; then
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juju-log "glance_ctl: ERROR - Service $i failed to $ACTION"
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fi
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done
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}
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if [[ -e "$CHARM_DIR/lib/openstack-common" ]] ; then
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. $CHARM_DIR/lib/openstack-common
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else
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juju-log "ERROR: Couldn't load $CHARM_DIR/lib/openstack-common." && exit 1
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fi
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function set_paste_deploy_flavor {
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local flavor="$1"
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@ -58,7 +24,7 @@ function set_paste_deploy_flavor {
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"api") local conf=$GLANCE_API_CONF ;;
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"registry") local conf=$GLANCE_REGISTRY_CONF ;;
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*) juju-log "ERROR: set_paste_deploy: invalid config=$config" && exit 1 ;;
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esac
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esac
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if ! grep -q "\[paste_deploy\]" "$conf" ; then
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juju-log "Updating $conf: Setting new paste_deploy flavor = $flavor"
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echo -e "\n[paste_deploy]\nflavor = keystone\n" >>$conf && return 0
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@ -80,7 +46,7 @@ function update_pipeline {
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"api") local api_conf=$GLANCE_API_CONF ;;
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"registry") local api_conf=$GLANCE_REGISTRY_CONF ;;
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*) juju-log "ERROR: update_pipeline: invalid config=$config" && exit 1 ;;
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esac
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esac
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local tag="\[pipeline:$pipeline\]"
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if ! grep -q "$tag" $api_conf ; then
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@ -119,42 +85,37 @@ function set_or_update {
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fi
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}
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function add_ppa {
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# Install from archive instead of PPA.
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[[ $PPA == "distro" ]] && return 0
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. /etc/lsb-release
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[[ -z $PPA ]] && return 0
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# if referenced by name, setup ppa to upstream PPAs
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if [[ "$PPA" == "trunk" ]] ||
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[[ "$PPA" == "milestone" ]] ||
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[[ "$PPA" == "milestone-proposed" ]] ; then
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juju-log "glance: Configuring installation from upstream PPA ($PPA)"
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PPA_URL="deb http://ppa.launchpad.net/glance-core/$PPA/ubuntu $DISTRIB_CODENAME main"
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add-apt-repository "$PPA_URL" || exit 1
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return
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do_openstack_upgrade() {
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# update openstack components to those provided by a new installation source
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# it is assumed the calling hook has confirmed that the upgrade is sane.
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local rel="$1"
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shift
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local packages=$@
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orig_os_rel=$(get_os_codename_package "glance-common")
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new_rel=$(get_os_codename_install_source "$rel")
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# Backup the config directory.
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local stamp=$(date +"%Y%m%d%M%S")
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tar -pcf /var/lib/juju/$CHARM-backup-$stamp.tar $CONF_DIR
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# Setup apt repository access and kick off the actual package upgrade.
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configure_install_source "$rel"
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apt-get update
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DEBIAN_FRONTEND=noninteractive apt-get --option Dpkg::Options::=--force-confnew -y \
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install --no-install-recommends $packages
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# Update the new config files for existing relations.
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local r_id=""
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r_id=$(relation-ids shared-db)
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if [[ -n "$r_id" ]] ; then
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juju-log "$CHARM: Configuring database after upgrade to $rel."
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db_changed $r_id
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fi
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if [[ "${PPA:0:4}" == "ppa:" ]] ; then
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juju-log "glance: Configuring installation from custom PPA ($PPA)"
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add-apt-repository -y "$PPA" || exit 1
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return
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r_id=$(relation-ids identity-service)
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if [[ -n "$r_id" ]] ; then
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juju-log "$CHARM: Configuring identity service after upgrade to $rel."
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keystone_changed $r_id
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fi
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if [[ "${PPA:0:3}" == "deb" ]] ; then
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juju-log "glance: Configuring installation from custom PPA URL ($PPA)"
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if echo "$PPA" | grep -q "|" ; then
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# gpg key id tagged to end of url folloed by a |
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url=$(echo $PPA | cut -d'|' -f1)
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key=$(echo $PPA | cut -d'|' -f2)
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if [[ -n "$key" ]] ; then
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juju-log "Importing repository key: $key"
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apt-key adv --keyserver keyserver.ubuntu.com --recv-keys "$key" || \
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juju-log "WARN: Could not import key from keyserver: $key"
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else
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juju-log "No repository key specified"
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url="$PPA"
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fi
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add-apt-repository -y "$url"
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fi
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return
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fi
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juju-log "glance: No PPA specified. Falling back to installation from Ubuntu archive."
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}
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@ -1,33 +1,26 @@
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#!/bin/bash
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#!/bin/bash -e
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FORMULA_DIR=$(dirname $0)
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CHARM_DIR=$(dirname $0)
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ARG0=${0##*/}
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if [[ -e $FORMULA_DIR/glance-common ]] ; then
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. $FORMULA_DIR/glance-common
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if [[ -e $CHARM_DIR/glance-common ]] ; then
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. $CHARM_DIR/glance-common
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else
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echo "ERROR: Could nto load glance-common from $FORMULA_DIR"
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echo "ERROR: Could nto load glance-common from $CHARM_DIR"
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fi
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function install_hook {
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juju-log "Installing glance packages"
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apt-get -y install python-software-properties || exit 1
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add_ppa
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configure_install_source $(config-get glance-release)
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apt-get update || exit 1
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apt-get -y install $PACKAGES || exit 1
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glance_ctl all stop
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service_ctl all stop
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# work around LP #784837 until its fixed.
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[[ ! -d /var/log/glance ]] && mkdir /var/log/glance
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chown glance /var/log/glance
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[[ ! -e /var/log/glance/api.log ]] && touch /var/log/glance/api.log
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[[ ! -e /var/log/glance/registry.log ]] && touch /var/log/glance/registry.log
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chown glance /var/log/glance/*.log
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# XXX turn up the logging for now.
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# TODO: Make debug logging a config option.
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set_or_update verbose True api
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set_or_update debug True api
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set_or_update verbose True registry
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@ -35,33 +28,66 @@ function install_hook {
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}
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function db_joined {
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juju-log "glance: db_joined: requesting access to $GLANCE_DB for $DB_USER@`unit-get private-address`"
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relation-set database=$GLANCE_DB
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relation-set username=$DB_USER
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relation-set hostname=`unit-get private-address`
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local glance_db=$(config-get glance-db)
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local db_user=$(config-get db-user)
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local hostname=$(unit-get private-address)
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juju-log "$CHARM - db_joined: requesting database access to $glance_db for "\
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"$db_user@$hostname"
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relation-set database=$glance_db username=$db_user hostname=$hostname
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}
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function db_changed {
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DB_HOST=`relation-get private-address`
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DB_PASSWORD=`relation-get password`
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if [[ -z $DB_HOST ]] || [[ -z $DB_PASSWORD ]] ; then
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echo "db_changed: DB_HOST || DB_PASSWORD not yet set. Exit 0 and retry"
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# serves as the main shared-db changed hook but may also be called with a
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# relation-id to configure new config files for existing relations.
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local r_id="$1"
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local r_args=""
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if [[ -n "$r_id" ]] ; then
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# set up environment for an existing relation to a single unit.
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export JUJU_REMOTE_UNIT=$(relation-list -r $r_id | head -n1)
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export JUJU_RELATION="shared-db"
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export JUJU_RELATION_ID="$r_id"
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local r_args="-r $JUJU_RELATION_ID"
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juju-log "$CHARM - db_changed: Running hook for existing relation to "\
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"$JUJU_REMOTE_UNIT-$JUJU_RELATION_ID"
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fi
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local db_host=$(relation-get $r_args private-address)
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local db_password=$(relation-get $r_args password)
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if [[ -z "$db_host" ]] || [[ -z "$db_password" ]] ; then
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juju-log "$CHARM - db_changed: db_host||db_password set, will retry."
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exit 0
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else
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echo "db_changed: Received password from $DB_HOST"
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fi
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juju-log "glance: db_changed: Configuring registry for access to $GLANCE_DB@$DB_HOST"
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glance_ctl all stop
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set_or_update sql_connection "mysql://$DB_USER:$DB_PASSWORD@$DB_HOST/$GLANCE_DB" registry
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set_or_update sql_connection "mysql://$DB_USER:$DB_PASSWORD@$DB_HOST/$GLANCE_DB" api
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# Set the db version to 0 if its not under version control. We assume that any existing
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# database we are being related to was created WITH version control.
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if ! glance-manage db_version ; then
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juju-log "Setting glance database version to 0"
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glance-manage version_control 0
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local glance_db=$(config-get glance-db)
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local db_user=$(config-get db-user)
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local rel=$(get_os_codename_package glance-common)
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if [[ -n "$r_id" ]] ; then
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unset JUJU_REMOTE_UNIT JUJU_RELATION JUJU_RELATION_ID
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fi
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juju-log "$CHARM - db_changed: Configuring glance.conf for access to $glance_db"
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service_ctl all stop
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set_or_update sql_connection "mysql://$db_user:$db_password@$db_host/$glance_db" registry
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# folsom requires a db connection setting in glance-api.conf, as well.
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[[ "$rel" == "folsom" ]] &&
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set_or_update sql_connection "mysql://$db_user:$db_password@$db_host/$glance_db" api
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if [[ "$rel" == "essex" ]] ; then
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# Essex required initializing new databases to version 0
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if ! glance-manage db_version >/dev/null 2>&1; then
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juju-log "Setting glance database version to 0"
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glance-manage version_control 0
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fi
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fi
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juju-log "$CHARM - db_changed: Running database migrations for $rel."
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glance-manage db_sync
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glance_ctl all restart
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service_ctl all restart
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}
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function image-service_joined {
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@ -83,7 +109,7 @@ function object-store_changed {
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set_or_update swift_store_key $PASSWORD api
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set_or_update swift_store_auth_address $URL api
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set_or_update swift_store_create_container_on_put true api
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glance_ctl glance-api restart
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service_ctl glance-api restart
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}
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function keystone_joined {
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@ -94,13 +120,26 @@ function keystone_joined {
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}
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function keystone_changed {
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# we hopefully get a token in return. configure middleware accordingly
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token=$(relation-get admin_token)
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service_port=$(relation-get service_port)
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auth_port=$(relation-get auth_port)
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service_username=$(relation-get service_username)
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service_password=$(relation-get service_password)
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service_tenant=$(relation-get service_tenant)
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# serves as the main identity-service changed hook, but may also be called
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# with a relation-id to configure new config files for existing relations.
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local r_id="$1"
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local r_args=""
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if [[ -n "$r_id" ]] ; then
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# set up environment for an existing relation to a single unit.
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export JUJU_REMOTE_UNIT=$(relation-list -r $r_id | head -n1)
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export JUJU_RELATION="identity-service"
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export JUJU_RELATION_ID="$r_id"
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local r_args="-r $JUJU_RELATION_ID"
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juju-log "$CHARM - db_changed: Running hook for existing relation to "\
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"$JUJU_REMOTE_UNIT-$JUJU_RELATION_ID"
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fi
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token=$(relation-get $r_args $r_args admin_token)
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service_port=$(relation-get $r_args service_port)
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auth_port=$(relation-get $r_args auth_port)
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service_username=$(relation-get $r_args service_username)
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service_password=$(relation-get $r_args service_password)
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service_tenant=$(relation-get $r_args service_tenant)
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[[ -z "$token" ]] || [[ -z "$service_port" ]] || [[ -z "$auth_port" ]] ||
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[[ -z "$service_username" ]] || [[ -z "$service_password" ]] ||
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[[ -z "$service_tenant" ]] && juju-log "keystone_changed: Peer not ready" &&
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@ -108,7 +147,11 @@ function keystone_changed {
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[[ "$token" == "-1" ]] &&
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juju-log "keystone_changed: admin token error" && exit 1
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juju-log "keystone_changed: Acquired admin. token"
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keystone_host=$(relation-get private-address)
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keystone_host=$(relation-get $r_args private-address)
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if [[ -n "$r_id" ]] ; then
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unset JUJU_REMOTE_UNIT JUJU_RELATION JUJU_RELATION_ID
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fi
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set_paste_deploy_flavor "keystone" "api" || exit 1
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set_paste_deploy_flavor "keystone" "registry" || exit 1
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@ -122,14 +165,31 @@ function keystone_changed {
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set_or_update "admin_token" "$token" $i
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set_or_update "admin_tenant_name" "$service_tenant" $i
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set_or_update "admin_user" "$service_username" $i
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set_or_update "admin_password" "$service_password" $i
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done
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glance_ctl all restart
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set_or_update "admin_password" "$service_password" $i
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done
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service_ctl all restart
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}
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function config_changed() {
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# Determine whether or not we should do an upgrade, based on whether or not
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# the version offered in glance-release is greater than what is installed.
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local install_src=$(config-get glance-release)
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local cur=$(get_os_codename_package "glance-common")
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local available=$(get_os_codename_install_source "$install_src")
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if dpkg --compare-versions $(get_os_version_codename "$cur") lt \
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$(get_os_version_codename "$available") ; then
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juju-log "$CHARM: Upgrading OpenStack release: $cur -> $available."
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do_openstack_upgrade "$install_src" $PACKAGES
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fi
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service_ctl all restart
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}
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case $ARG0 in
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"start"|"stop") glance_ctl all $ARG0 ;;
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"start"|"stop") service_ctl all $ARG0 ;;
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"install") install_hook ;;
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"config-changed") config_changed ;;
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"shared-db-relation-joined") db_joined ;;
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"shared-db-relation-changed") db_changed;;
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"image-service-relation-joined") image-service_joined ;;
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@ -139,4 +199,3 @@ case $ARG0 in
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"identity-service-relation-joined") keystone_joined ;;
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"identity-service-relation-changed") keystone_changed ;;
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esac
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@ -0,0 +1,161 @@
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#!/bin/bash -e
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# Common utility functions used across all OpenStack charms.
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error_out() {
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juju-log "$CHARM ERROR: $@"
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exit 1
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}
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function service_ctl_status {
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# Return 0 if a service is running, 1 otherwise.
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local svc="$1"
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local status=$(service $svc status | cut -d/ -f1 | awk '{ print $2 }')
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case $status in
|
||||
"start") return 0 ;;
|
||||
"stop") return 1 ;;
|
||||
*) error_out "Unexpected status of service $svc: $status" ;;
|
||||
esac
|
||||
}
|
||||
|
||||
function service_ctl {
|
||||
# control a specific service, or all (as defined by $SERVICES)
|
||||
if [[ $1 == "all" ]] ; then
|
||||
ctl="$SERVICES"
|
||||
else
|
||||
ctl="$1"
|
||||
fi
|
||||
action="$2"
|
||||
if [[ -z "$ctl" ]] || [[ -z "$action" ]] ; then
|
||||
error_out "ERROR service_ctl: Not enough arguments"
|
||||
fi
|
||||
|
||||
for i in $ctl ; do
|
||||
case $action in
|
||||
"start")
|
||||
service_ctl_status $i || service $i start ;;
|
||||
"stop")
|
||||
service_ctl_status $i && service $i stop || return 0 ;;
|
||||
"restart")
|
||||
service_ctl_status $i && service $i restart || service $i start ;;
|
||||
esac
|
||||
if [[ $? != 0 ]] ; then
|
||||
juju-log "$CHARM: service_ctl ERROR - Service $i failed to $action"
|
||||
fi
|
||||
done
|
||||
}
|
||||
|
||||
function configure_install_source {
|
||||
# Setup and configure installation source based on a config flag.
|
||||
local src="$1"
|
||||
|
||||
# Default to installing from the main Ubuntu archive.
|
||||
[[ $src == "distro" ]] || [[ -z "$src" ]] && return 0
|
||||
|
||||
. /etc/lsb-release
|
||||
|
||||
# standard 'ppa:someppa/name' format.
|
||||
if [[ "${src:0:4}" == "ppa:" ]] ; then
|
||||
juju-log "$CHARM: Configuring installation from custom src ($src)"
|
||||
add-apt-repository -y "$src" || error_out "Could not configure PPA access."
|
||||
return 0
|
||||
fi
|
||||
|
||||
# standard 'deb http://url/ubuntu main' entries. gpg key ids must
|
||||
# be appended to the end of url after a |, ie:
|
||||
# 'deb http://url/ubuntu main|$GPGKEYID'
|
||||
if [[ "${src:0:3}" == "deb" ]] ; then
|
||||
juju-log "$CHARM: Configuring installation from custom src URL ($src)"
|
||||
if echo "$src" | grep -q "|" ; then
|
||||
# gpg key id tagged to end of url folloed by a |
|
||||
url=$(echo $src | cut -d'|' -f1)
|
||||
key=$(echo $src | cut -d'|' -f2)
|
||||
if [[ -n "$key" ]] ; then
|
||||
juju-log "$CHARM: Importing repository key: $key"
|
||||
apt-key adv --keyserver keyserver.ubuntu.com --recv-keys "$key" || \
|
||||
juju-log "$CHARM WARN: Could not import key from keyserver: $key"
|
||||
else
|
||||
juju-log "$CHARM No repository key specified"
|
||||
url="$src"
|
||||
fi
|
||||
add-apt-repository -y "$url"
|
||||
fi
|
||||
return 0
|
||||
fi
|
||||
|
||||
# Cloud Archive
|
||||
if [[ "${src:0:6}" == "cloud:" ]] ; then
|
||||
local archive_key="5EDB1B62EC4926EA"
|
||||
local rel=$(echo $src | cut -d: -f2)
|
||||
local u_rel=$(echo $rel | cut -d- -f1)
|
||||
local ca_rel=$(echo $rel | cut -d- -f2)
|
||||
|
||||
[[ "$u_rel" != "$DISTRIB_CODENAME" ]] &&
|
||||
error_out "Cannot install from Cloud Archive pocket $src " \
|
||||
"on this Ubuntu version ($DISTRIB_CODENAME)!"
|
||||
|
||||
case "$ca_rel" in
|
||||
"folsom"|"folsom/updates") pocket="precise-updates/folsom" ;;
|
||||
"folsom/proposed") pocket="precise-proposed/folsom" ;;
|
||||
*) error_out "Invalid Cloud Archive repo specified: $src"
|
||||
esac
|
||||
|
||||
entry="deb http://ubuntu-cloud.archive.canonical.com/ubuntu $pocket main"
|
||||
echo "$entry" \
|
||||
>/etc/apt/sources.list.d/ubuntu-cloud-archive-$DISTRIB_CODENAME.list
|
||||
apt-key adv --keyserver keyserver.ubuntu.com --recv-keys $archive_key
|
||||
return 0
|
||||
fi
|
||||
|
||||
error_out "Invalid installation source specified in config: $src"
|
||||
|
||||
}
|
||||
|
||||
get_os_codename_install_source() {
|
||||
# derive the openstack release provided by a supported installation source.
|
||||
local rel="$1"
|
||||
local codename="unknown"
|
||||
. /etc/lsb-release
|
||||
|
||||
# map ubuntu releases to the openstack version shipped with it.
|
||||
if [[ "$rel" == "distro" ]] ; then
|
||||
case "$DISTRIB_CODENAME" in
|
||||
"oneiric") codename="diablo" ;;
|
||||
"precise") codename="essex" ;;
|
||||
"quantal") codename="folsom" ;;
|
||||
esac
|
||||
fi
|
||||
|
||||
# derive version from cloud archive strings.
|
||||
if [[ "${rel:0:6}" == "cloud:" ]] ; then
|
||||
rel=$(echo $rel | cut -d: -f2)
|
||||
local u_rel=$(echo $rel | cut -d- -f1)
|
||||
local ca_rel=$(echo $rel | cut -d- -f2)
|
||||
if [[ "$u_rel" == "$DISTRIB_CODENAME" ]] ; then
|
||||
case "$ca_rel" in
|
||||
"folsom"|"folsom/updates"|"folsom/proposed"|"folsom/staging")
|
||||
codename="folsom" ;;
|
||||
esac
|
||||
fi
|
||||
fi
|
||||
echo $codename
|
||||
}
|
||||
|
||||
get_os_codename_package() {
|
||||
local pkg_vers=$(dpkg -l | grep "$1" | awk '{ print $3 }')
|
||||
case "${pkg_vers:0:6}" in
|
||||
"2011.2") echo "diablo" ;;
|
||||
"2012.1") echo "essex" ;;
|
||||
"2012.2") echo "folsom" ;;
|
||||
"2013.1") echo "grizzly" ;;
|
||||
esac
|
||||
}
|
||||
|
||||
get_os_version_codename() {
|
||||
case "$1" in
|
||||
"diablo") echo "2011.2" ;;
|
||||
"essex") echo "2012.1" ;;
|
||||
"folsom") echo "2012.2" ;;
|
||||
"grizzly") echo "2012.3" ;;
|
||||
esac
|
||||
}
|
||||
Loading…
Reference in New Issue