charm-glance/hooks/glance-common
2013-06-03 11:39:29 -07:00

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#!/bin/bash
CHARM="glance"
SERVICES="glance-api glance-registry"
PACKAGES="glance python-mysqldb python-swift python-keystone uuid haproxy"
GLANCE_REGISTRY_CONF="/etc/glance/glance-registry.conf"
GLANCE_REGISTRY_PASTE_INI="/etc/glance/glance-registry-paste.ini"
GLANCE_API_CONF="/etc/glance/glance-api.conf"
GLANCE_API_PASTE_INI="/etc/glance/glance-api-paste.ini"
CONF_DIR="/etc/glance"
HOOKS_DIR="$CHARM_DIR/hooks"
# Flag used to track config changes.
CONFIG_CHANGED="False"
if [[ -e "$HOOKS_DIR/lib/openstack-common" ]] ; then
. $HOOKS_DIR/lib/openstack-common
else
juju-log "ERROR: Couldn't load $HOOKS_DIR/lib/openstack-common." && exit 1
fi
function set_or_update {
local key="$1"
local value="$2"
local file="$3"
local section="$4"
local conf=""
[[ -z $key ]] && juju-log "ERROR: set_or_update(): value $value missing key" \
&& exit 1
[[ -z $value ]] && juju-log "ERROR: set_or_update(): key $key missing value" \
&& exit 1
case "$file" in
"api") conf=$GLANCE_API_CONF ;;
"api-paste") conf=$GLANCE_API_PASTE_INI ;;
"registry") conf=$GLANCE_REGISTRY_CONF ;;
"registry-paste") conf=$GLANCE_REGISTRY_PASTE_INI ;;
*) juju-log "ERROR: set_or_update(): Invalid or no config file specified." \
&& exit 1 ;;
esac
[[ ! -e $conf ]] && juju-log "ERROR: set_or_update(): File not found $conf" \
&& exit 1
if [[ "$(local_config_get "$conf" "$key" "$section")" == "$value" ]] ; then
juju-log "$CHARM: set_or_update(): $key=$value already set in $conf."
return 0
fi
cfg_set_or_update "$key" "$value" "$conf" "$section"
CONFIG_CHANGED="True"
}
do_openstack_upgrade() {
# update openstack components to those provided by a new installation source
# it is assumed the calling hook has confirmed that the upgrade is sane.
local rel="$1"
shift
local packages=$@
orig_os_rel=$(get_os_codename_package "glance-common")
new_rel=$(get_os_codename_install_source "$rel")
# Backup the config directory.
local stamp=$(date +"%Y%m%d%M%S")
tar -pcf /var/lib/juju/$CHARM-backup-$stamp.tar $CONF_DIR
# Setup apt repository access and kick off the actual package upgrade.
configure_install_source "$rel"
apt-get update
DEBIAN_FRONTEND=noninteractive apt-get --option Dpkg::Options::=--force-confnew -y \
install --no-install-recommends $packages
# Update the new config files for existing relations.
local r_id=""
r_id=$(relation-ids shared-db)
if [[ -n "$r_id" ]] ; then
juju-log "$CHARM: Configuring database after upgrade to $rel."
db_changed $r_id
fi
r_id=$(relation-ids identity-service)
if [[ -n "$r_id" ]] ; then
juju-log "$CHARM: Configuring identity service after upgrade to $rel."
keystone_changed $r_id
fi
local ceph_ids="$(relation-ids ceph)"
[[ -n "$ceph_ids" ]] && apt-get -y install ceph-common python-ceph
for r_id in $ceph_ids ; do
for unit in $(relation-list -r $r_id) ; do
ceph_changed "$r_id" "$unit"
done
done
[[ -n "$(relation-ids object-store)" ]] && object-store_joined
}
configure_https() {
# request openstack-common setup reverse proxy mapping for API and registry
# servers
service_ctl glance-api stop
if [[ -n "$(peer_units)" ]] || is_clustered ; then
# haproxy may already be configured. need to push it back in the request
# pipeline in preparation for a change from:
# from: haproxy (9292) -> glance_api (9282)
# to: ssl (9292) -> haproxy (9291) -> glance_api (9272)
local next_server=$(determine_haproxy_port 9292)
local api_port=$(determine_api_port 9292)
configure_haproxy "glance_api:$next_server:$api_port"
else
# if not clustered, the glance-api is next in the pipeline.
local api_port=$(determine_api_port 9292)
local next_server=$api_port
fi
# setup https to point to either haproxy or directly to api server, depending.
setup_https 9292:$next_server
# configure servers to listen on new ports accordingly.
set_or_update bind_port "$api_port" "api"
service_ctl all start
local r_id=""
# (re)configure ks endpoint accordingly in ks and nova.
for r_id in $(relation-ids identity-service) ; do
keystone_joined "$r_id"
done
for r_id in $(relation-ids image-service) ; do
image-service_joined "$r_id"
done
}