devstack/lib/glance

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# lib/glance
# Functions to control the configuration and operation of the **Glance** service
# Dependencies:
#
# - ``functions`` file
# - ``DEST``, ``DATA_DIR``, ``STACK_USER`` must be defined
# - ``SERVICE_{TENANT_NAME|PASSWORD}`` must be defined
# - ``SERVICE_HOST``
# - ``KEYSTONE_TOKEN_FORMAT`` must be defined
# ``stack.sh`` calls the entry points in this order:
#
# - install_glance
# - configure_glance
# - init_glance
# - start_glance
# - stop_glance
# - cleanup_glance
# Save trace setting
XTRACE=$(set +o | grep xtrace)
set +o xtrace
# Defaults
# --------
# Set up default directories
GITDIR["python-glanceclient"]=$DEST/python-glanceclient
GITDIR["glance_store"]=$DEST/glance_store
GLANCE_DIR=$DEST/glance
GLANCE_CACHE_DIR=${GLANCE_CACHE_DIR:=$DATA_DIR/glance/cache}
GLANCE_IMAGE_DIR=${GLANCE_IMAGE_DIR:=$DATA_DIR/glance/images}
GLANCE_AUTH_CACHE_DIR=${GLANCE_AUTH_CACHE_DIR:-/var/cache/glance}
GLANCE_CONF_DIR=${GLANCE_CONF_DIR:-/etc/glance}
GLANCE_METADEF_DIR=$GLANCE_CONF_DIR/metadefs
GLANCE_REGISTRY_CONF=$GLANCE_CONF_DIR/glance-registry.conf
GLANCE_API_CONF=$GLANCE_CONF_DIR/glance-api.conf
GLANCE_REGISTRY_PASTE_INI=$GLANCE_CONF_DIR/glance-registry-paste.ini
GLANCE_API_PASTE_INI=$GLANCE_CONF_DIR/glance-api-paste.ini
GLANCE_CACHE_CONF=$GLANCE_CONF_DIR/glance-cache.conf
GLANCE_POLICY_JSON=$GLANCE_CONF_DIR/policy.json
GLANCE_SCHEMA_JSON=$GLANCE_CONF_DIR/schema-image.json
# Support entry points installation of console scripts
if [[ -d $GLANCE_DIR/bin ]]; then
GLANCE_BIN_DIR=$GLANCE_DIR/bin
else
GLANCE_BIN_DIR=$(get_python_exec_prefix)
fi
if is_ssl_enabled_service "glance" || is_service_enabled tls-proxy; then
GLANCE_SERVICE_PROTOCOL="https"
fi
# Glance connection info. Note the port must be specified.
GLANCE_SERVICE_HOST=${GLANCE_SERVICE_HOST:-$SERVICE_HOST}
GLANCE_SERVICE_PORT=${GLANCE_SERVICE_PORT:-9292}
GLANCE_SERVICE_PORT_INT=${GLANCE_SERVICE_PORT_INT:-19292}
GLANCE_HOSTPORT=${GLANCE_HOSTPORT:-$GLANCE_SERVICE_HOST:$GLANCE_SERVICE_PORT}
GLANCE_SERVICE_PROTOCOL=${GLANCE_SERVICE_PROTOCOL:-$SERVICE_PROTOCOL}
GLANCE_REGISTRY_PORT=${GLANCE_REGISTRY_PORT:-9191}
GLANCE_REGISTRY_PORT_INT=${GLANCE_REGISTRY_PORT_INT:-19191}
# Tell Tempest this project is present
TEMPEST_SERVICES+=,glance
# Functions
# ---------
# Test if any Glance services are enabled
# is_glance_enabled
function is_glance_enabled {
[[ ,${ENABLED_SERVICES} =~ ,"g-" ]] && return 0
return 1
}
# cleanup_glance() - Remove residual data files, anything left over from previous
# runs that a clean run would need to clean up
function cleanup_glance {
# kill instances (nova)
# delete image files (glance)
sudo rm -rf $GLANCE_CACHE_DIR $GLANCE_IMAGE_DIR $GLANCE_AUTH_CACHE_DIR
}
# configure_glance() - Set config files, create data dirs, etc
function configure_glance {
if [[ ! -d $GLANCE_CONF_DIR ]]; then
sudo mkdir -p $GLANCE_CONF_DIR
fi
sudo chown $STACK_USER $GLANCE_CONF_DIR
if [[ ! -d $GLANCE_METADEF_DIR ]]; then
sudo mkdir -p $GLANCE_METADEF_DIR
fi
sudo chown $STACK_USER $GLANCE_METADEF_DIR
# Copy over our glance configurations and update them
cp $GLANCE_DIR/etc/glance-registry.conf $GLANCE_REGISTRY_CONF
iniset $GLANCE_REGISTRY_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
inicomment $GLANCE_REGISTRY_CONF DEFAULT log_file
local dburl=`database_connection_url glance`
iniset $GLANCE_REGISTRY_CONF DEFAULT sql_connection $dburl
iniset $GLANCE_REGISTRY_CONF DEFAULT use_syslog $SYSLOG
iniset $GLANCE_REGISTRY_CONF paste_deploy flavor keystone
configure_auth_token_middleware $GLANCE_REGISTRY_CONF glance $GLANCE_AUTH_CACHE_DIR/registry
if is_service_enabled qpid || [ -n "$RABBIT_HOST" ] && [ -n "$RABBIT_PASSWORD" ]; then
iniset $GLANCE_REGISTRY_CONF DEFAULT notification_driver messaging
fi
iniset_rpc_backend glance $GLANCE_REGISTRY_CONF DEFAULT
cp $GLANCE_DIR/etc/glance-api.conf $GLANCE_API_CONF
iniset $GLANCE_API_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
inicomment $GLANCE_API_CONF DEFAULT log_file
iniset $GLANCE_API_CONF DEFAULT sql_connection $dburl
iniset $GLANCE_API_CONF DEFAULT use_syslog $SYSLOG
iniset $GLANCE_API_CONF DEFAULT image_cache_dir $GLANCE_CACHE_DIR/
iniset $GLANCE_API_CONF paste_deploy flavor keystone+cachemanagement
configure_auth_token_middleware $GLANCE_API_CONF glance $GLANCE_AUTH_CACHE_DIR/api
if is_service_enabled qpid || [ -n "$RABBIT_HOST" ] && [ -n "$RABBIT_PASSWORD" ]; then
iniset $GLANCE_API_CONF DEFAULT notification_driver messaging
fi
iniset_rpc_backend glance $GLANCE_API_CONF DEFAULT
if [ "$VIRT_DRIVER" = 'xenserver' ]; then
iniset $GLANCE_API_CONF DEFAULT container_formats "ami,ari,aki,bare,ovf,tgz"
iniset $GLANCE_API_CONF DEFAULT disk_formats "ami,ari,aki,vhd,raw,iso"
fi
# Store specific configs
iniset $GLANCE_API_CONF DEFAULT filesystem_store_datadir $GLANCE_IMAGE_DIR/
# NOTE(flaper87): Until Glance is fully migrated, set these configs in both
# sections.
iniset $GLANCE_API_CONF glance_store filesystem_store_datadir $GLANCE_IMAGE_DIR/
iniset $GLANCE_API_CONF DEFAULT workers "$API_WORKERS"
# Store the images in swift if enabled.
if is_service_enabled s-proxy; then
iniset $GLANCE_API_CONF DEFAULT default_store swift
iniset $GLANCE_API_CONF DEFAULT swift_store_auth_address $KEYSTONE_SERVICE_URI/v2.0/
iniset $GLANCE_API_CONF DEFAULT swift_store_user $SERVICE_TENANT_NAME:glance-swift
iniset $GLANCE_API_CONF DEFAULT swift_store_key $SERVICE_PASSWORD
iniset $GLANCE_API_CONF DEFAULT swift_store_create_container_on_put True
iniset $GLANCE_API_CONF DEFAULT known_stores "glance.store.filesystem.Store, glance.store.http.Store, glance.store.swift.Store"
# NOTE(flaper87): Until Glance is fully migrated, set these configs in both
# sections.
iniset $GLANCE_API_CONF glance_store default_store swift
iniset $GLANCE_API_CONF glance_store swift_store_auth_address $KEYSTONE_SERVICE_URI/v2.0/
iniset $GLANCE_API_CONF glance_store swift_store_user $SERVICE_TENANT_NAME:glance-swift
iniset $GLANCE_API_CONF glance_store swift_store_key $SERVICE_PASSWORD
iniset $GLANCE_API_CONF glance_store swift_store_create_container_on_put True
iniset $GLANCE_API_CONF glance_store stores "file, http, swift"
fi
if is_service_enabled tls-proxy; then
iniset $GLANCE_API_CONF DEFAULT bind_port $GLANCE_SERVICE_PORT_INT
iniset $GLANCE_REGISTRY_CONF DEFAULT bind_port $GLANCE_REGISTRY_PORT_INT
fi
# Register SSL certificates if provided
if is_ssl_enabled_service glance; then
ensure_certificates GLANCE
iniset $GLANCE_API_CONF DEFAULT cert_file "$GLANCE_SSL_CERT"
iniset $GLANCE_API_CONF DEFAULT key_file "$GLANCE_SSL_KEY"
iniset $GLANCE_REGISTRY_CONF DEFAULT cert_file "$GLANCE_SSL_CERT"
iniset $GLANCE_REGISTRY_CONF DEFAULT key_file "$GLANCE_SSL_KEY"
fi
if is_ssl_enabled_service glance || is_service_enabled tls-proxy; then
iniset $GLANCE_API_CONF DEFAULT registry_client_protocol https
fi
cp -p $GLANCE_DIR/etc/glance-registry-paste.ini $GLANCE_REGISTRY_PASTE_INI
cp -p $GLANCE_DIR/etc/glance-api-paste.ini $GLANCE_API_PASTE_INI
cp $GLANCE_DIR/etc/glance-cache.conf $GLANCE_CACHE_CONF
iniset $GLANCE_CACHE_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
inicomment $GLANCE_CACHE_CONF DEFAULT log_file
iniset $GLANCE_CACHE_CONF DEFAULT use_syslog $SYSLOG
iniset $GLANCE_CACHE_CONF DEFAULT image_cache_dir $GLANCE_CACHE_DIR/
iniuncomment $GLANCE_CACHE_CONF DEFAULT auth_url
iniset $GLANCE_CACHE_CONF DEFAULT auth_url $KEYSTONE_AUTH_URI/v2.0
iniuncomment $GLANCE_CACHE_CONF DEFAULT auth_tenant_name
iniset $GLANCE_CACHE_CONF DEFAULT admin_tenant_name $SERVICE_TENANT_NAME
iniuncomment $GLANCE_CACHE_CONF DEFAULT auth_user
iniset $GLANCE_CACHE_CONF DEFAULT admin_user glance
iniuncomment $GLANCE_CACHE_CONF DEFAULT auth_password
iniset $GLANCE_CACHE_CONF DEFAULT admin_password $SERVICE_PASSWORD
# Store specific confs
# NOTE(flaper87): Until Glance is fully migrated, set these configs in both
# sections.
iniset $GLANCE_CACHE_CONF DEFAULT filesystem_store_datadir $GLANCE_IMAGE_DIR/
iniset $GLANCE_CACHE_CONF glance_store filesystem_store_datadir $GLANCE_IMAGE_DIR/
cp -p $GLANCE_DIR/etc/policy.json $GLANCE_POLICY_JSON
cp -p $GLANCE_DIR/etc/schema-image.json $GLANCE_SCHEMA_JSON
cp -p $GLANCE_DIR/etc/metadefs/*.json $GLANCE_METADEF_DIR
if is_ssl_enabled_service "cinder" || is_service_enabled tls-proxy; then
CINDER_SERVICE_HOST=${CINDER_SERVICE_HOST:-$SERVICE_HOST}
CINDER_SERVICE_PORT=${CINDER_SERVICE_PORT:-8776}
iniset $GLANCE_API_CONF DEFAULT cinder_endpoint_template "https://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v1/%(project_id)s"
iniset $GLANCE_CACHE_CONF DEFAULT cinder_endpoint_template "https://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v1/%(project_id)s"
fi
}
# create_glance_accounts() - Set up common required glance accounts
# Project User Roles
# ------------------------------------------------------------------
# SERVICE_TENANT_NAME glance service
# SERVICE_TENANT_NAME glance-swift ResellerAdmin (if Swift is enabled)
function create_glance_accounts {
if is_service_enabled g-api; then
local glance_user=$(get_or_create_user "glance" \
"$SERVICE_PASSWORD" $SERVICE_TENANT_NAME)
get_or_add_user_role service $glance_user $SERVICE_TENANT_NAME
# required for swift access
if is_service_enabled s-proxy; then
local glance_swift_user=$(get_or_create_user "glance-swift" \
"$SERVICE_PASSWORD" $SERVICE_TENANT_NAME "glance-swift@example.com")
get_or_add_user_role "ResellerAdmin" $glance_swift_user $SERVICE_TENANT_NAME
fi
if [[ "$KEYSTONE_CATALOG_BACKEND" = 'sql' ]]; then
local glance_service=$(get_or_create_service "glance" \
"image" "Glance Image Service")
get_or_create_endpoint $glance_service \
"$REGION_NAME" \
"$GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT" \
"$GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT" \
"$GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT"
fi
fi
}
# create_glance_cache_dir() - Part of the init_glance() process
function create_glance_cache_dir {
# Create cache dir
sudo mkdir -p $GLANCE_AUTH_CACHE_DIR/api
sudo chown $STACK_USER $GLANCE_AUTH_CACHE_DIR/api
rm -f $GLANCE_AUTH_CACHE_DIR/api/*
sudo mkdir -p $GLANCE_AUTH_CACHE_DIR/registry
sudo chown $STACK_USER $GLANCE_AUTH_CACHE_DIR/registry
rm -f $GLANCE_AUTH_CACHE_DIR/registry/*
}
# init_glance() - Initialize databases, etc.
function init_glance {
# Delete existing images
rm -rf $GLANCE_IMAGE_DIR
mkdir -p $GLANCE_IMAGE_DIR
# Delete existing cache
rm -rf $GLANCE_CACHE_DIR
mkdir -p $GLANCE_CACHE_DIR
# (Re)create glance database
recreate_database glance utf8
# Migrate glance database
$GLANCE_BIN_DIR/glance-manage db_sync
# Load metadata definitions
$GLANCE_BIN_DIR/glance-manage db_load_metadefs
create_glance_cache_dir
}
# install_glanceclient() - Collect source and prepare
function install_glanceclient {
if use_library_from_git "python-glanceclient"; then
git_clone_by_name "python-glanceclient"
setup_dev_lib "python-glanceclient"
sudo install -D -m 0644 -o $STACK_USER {${GITDIR["python-glanceclient"]}/tools/,/etc/bash_completion.d/}glance.bash_completion
fi
}
# install_glance() - Collect source and prepare
function install_glance {
# Install glance_store from git so we make sure we're testing
# the latest code.
if use_library_from_git "glance_store"; then
git_clone_by_name "glance_store"
setup_dev_lib "glance_store"
fi
git_clone $GLANCE_REPO $GLANCE_DIR $GLANCE_BRANCH
setup_develop $GLANCE_DIR
}
# start_glance() - Start running processes, including screen
function start_glance {
local service_protocol=$GLANCE_SERVICE_PROTOCOL
if is_service_enabled tls-proxy; then
start_tls_proxy '*' $GLANCE_SERVICE_PORT $GLANCE_SERVICE_HOST $GLANCE_SERVICE_PORT_INT &
start_tls_proxy '*' $GLANCE_REGISTRY_PORT $GLANCE_SERVICE_HOST $GLANCE_REGISTRY_PORT_INT &
fi
run_process g-reg "$GLANCE_BIN_DIR/glance-registry --config-file=$GLANCE_CONF_DIR/glance-registry.conf"
run_process g-api "$GLANCE_BIN_DIR/glance-api --config-file=$GLANCE_CONF_DIR/glance-api.conf"
echo "Waiting for g-api ($GLANCE_HOSTPORT) to start..."
if ! wait_for_service $SERVICE_TIMEOUT $GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT; then
die $LINENO "g-api did not start"
fi
}
# stop_glance() - Stop running processes
function stop_glance {
# Kill the Glance screen windows
stop_process g-api
stop_process g-reg
}
# Restore xtrace
$XTRACE
# Tell emacs to use shell-script-mode
## Local variables:
## mode: shell-script
## End: