Add Glance Artifact API in devstack installation

Since EXPERIMENTAL Glance v3 API has been removed in favor of
standalone API implementation was added we need to add some
changes in devstack to support it.

Implements blueprint: move-v3-to-glare
Depends-On: I5b7bd4cdcc5f2a40fc4a5f74bcc422fd700c4fb0

Change-Id: Iced3c68010eb6bcd2a6a1ec8f1c6883f84cbe77f

lib/glance

@@ -55,6 +55,8 @@ GLANCE_CACHE_CONF=$GLANCE_CONF_DIR/glance-cache.conf
 GLANCE_POLICY_JSON=$GLANCE_CONF_DIR/policy.json
 GLANCE_SCHEMA_JSON=$GLANCE_CONF_DIR/schema-image.json
 GLANCE_SWIFT_STORE_CONF=$GLANCE_CONF_DIR/glance-swift-store.conf
+GLANCE_GLARE_CONF=$GLANCE_CONF_DIR/glance-glare.conf
+GLANCE_GLARE_PASTE_INI=$GLANCE_CONF_DIR/glance-glare-paste.ini
 
 if is_ssl_enabled_service "glance" || is_service_enabled tls-proxy; then
     GLANCE_SERVICE_PROTOCOL="https"
@@ -69,6 +71,8 @@ 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=${GLANCE_REGISTRY_PORT_INT:-19191}
+GLANCE_GLARE_PORT=${GLANCE_GLARE_PORT:-9494}
+GLANCE_GLARE_HOSTPORT=${GLANCE_GLARE_HOSTPORT:-$GLANCE_SERVICE_HOST:$GLANCE_GLARE_PORT}
 
 # Functions
 # ---------
@@ -93,6 +97,9 @@ function configure_glance {
     sudo install -d -o $STACK_USER $GLANCE_CONF_DIR $GLANCE_METADEF_DIR
 
     # Copy over our glance configurations and update them
+    if is_service_enabled g-glare; then
+        cp $GLANCE_DIR/etc/glance-glare.conf $GLANCE_GLARE_CONF
+    fi
     cp $GLANCE_DIR/etc/glance-registry.conf $GLANCE_REGISTRY_CONF
     iniset $GLANCE_REGISTRY_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
     iniset $GLANCE_REGISTRY_CONF DEFAULT bind_host $GLANCE_SERVICE_LISTEN_ADDRESS
@@ -129,6 +136,9 @@ function configure_glance {
 
     # Store specific configs
     iniset $GLANCE_API_CONF glance_store filesystem_store_datadir $GLANCE_IMAGE_DIR/
+    if is_service_enabled g-glare; then
+        iniset $GLANCE_GLARE_CONF glance_store filesystem_store_datadir $GLANCE_IMAGE_DIR/
+    fi
     iniset $GLANCE_API_CONF DEFAULT registry_host $GLANCE_SERVICE_HOST
 
     iniset $GLANCE_API_CONF DEFAULT workers "$API_WORKERS"
@@ -144,6 +154,23 @@ function configure_glance {
         iniset $GLANCE_API_CONF DEFAULT graceful_shutdown_timeout "$SERVICE_GRACEFUL_SHUTDOWN_TIMEOUT"
 
         iniset $GLANCE_SWIFT_STORE_CONF ref1 user $SERVICE_PROJECT_NAME:glance-swift
+
+        # Store the glare in swift if enabled.
+        if is_service_enabled g-glare; then
+            iniset $GLANCE_GLARE_CONF glance_store default_store swift
+            iniset $GLANCE_GLARE_CONF glance_store swift_store_create_container_on_put True
+
+            iniset $GLANCE_GLARE_CONF glance_store swift_store_config_file $GLANCE_SWIFT_STORE_CONF
+            iniset $GLANCE_GLARE_CONF glance_store default_swift_reference ref1
+            iniset $GLANCE_GLARE_CONF glance_store stores "file, http, swift"
+            iniset $GLANCE_GLARE_CONF DEFAULT graceful_shutdown_timeout "$SERVICE_GRACEFUL_SHUTDOWN_TIMEOUT"
+
+            # commenting is not strictly necessary but it's confusing to have bad values in conf
+            inicomment $GLANCE_GLARE_CONF glance_store swift_store_user
+            inicomment $GLANCE_GLARE_CONF glance_store swift_store_key
+            inicomment $GLANCE_GLARE_CONF glance_store swift_store_auth_address
+        fi
+
         iniset $GLANCE_SWIFT_STORE_CONF ref1 key $SERVICE_PASSWORD
         iniset $GLANCE_SWIFT_STORE_CONF ref1 auth_address $KEYSTONE_SERVICE_URI/v3
         iniset $GLANCE_SWIFT_STORE_CONF ref1 user_domain_id default
@@ -220,6 +247,29 @@ function configure_glance {
         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
+
+    # Configure GLANCE_GLARE (Glance Glare)
+    if is_service_enabled g-glare; then
+        local dburl
+        dburl=`database_connection_url glance`
+        setup_colorized_logging $GLANCE_GLARE_CONF DEFAULT tenant user
+        iniset $GLANCE_GLARE_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
+        iniset $GLANCE_GLARE_CONF DEFAULT bind_host $GLANCE_SERVICE_LISTEN_ADDRESS
+        iniset $GLANCE_GLARE_CONF DEFAULT bind_port $GLANCE_GLARE_PORT
+        inicomment $GLANCE_GLARE_CONF DEFAULT log_file
+        iniset $GLANCE_GLARE_CONF DEFAULT workers "$API_WORKERS"
+
+        iniset $GLANCE_GLARE_CONF database connection $dburl
+        iniset $GLANCE_GLARE_CONF paste_deploy flavor keystone
+        configure_auth_token_middleware $GLANCE_GLARE_CONF glare $GLANCE_AUTH_CACHE_DIR/artifact
+        # Register SSL certificates if provided
+        if is_ssl_enabled_service glance; then
+            ensure_certificates GLANCE
+            iniset $GLANCE_GLARE_CONF DEFAULT cert_file "$GLANCE_SSL_CERT"
+            iniset $GLANCE_GLARE_CONF DEFAULT key_file "$GLANCE_SSL_KEY"
+        fi
+        cp $GLANCE_DIR/etc/glance-glare-paste.ini $GLANCE_GLARE_PASTE_INI
+    fi
 }
 
 # create_glance_accounts() - Set up common required glance accounts
@@ -229,6 +279,7 @@ function configure_glance {
 # SERVICE_PROJECT_NAME  glance          service
 # SERVICE_PROJECT_NAME  glance-swift    ResellerAdmin (if Swift is enabled)
 # SERVICE_PROJECT_NAME  glance-search   search (if Search is enabled)
+# SERVICE_PROJECT_NAME  glare           service (if enabled)
 
 function create_glance_accounts {
     if is_service_enabled g-api; then
@@ -252,13 +303,25 @@ function create_glance_accounts {
             "$GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT" \
             "$GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT"
     fi
+
+    # Add glance-glare service and endpoints
+    if is_service_enabled g-glare; then
+        create_service_user "glare"
+        get_or_create_service "glare" "artifact" "Glance Artifact Service"
+
+        get_or_create_endpoint "artifact" \
+            "$REGION_NAME" \
+            "$GLANCE_SERVICE_PROTOCOL://$GLANCE_GLARE_HOSTPORT" \
+            "$GLANCE_SERVICE_PROTOCOL://$GLANCE_GLARE_HOSTPORT" \
+            "$GLANCE_SERVICE_PROTOCOL://$GLANCE_GLARE_HOSTPORT"
+    fi
 }
 
 # create_glance_cache_dir() - Part of the init_glance() process
 function create_glance_cache_dir {
     # Create cache dir
-    sudo install -d -o $STACK_USER $GLANCE_AUTH_CACHE_DIR/api $GLANCE_AUTH_CACHE_DIR/registry $GLANCE_AUTH_CACHE_DIR/search
+    sudo install -d -o $STACK_USER $GLANCE_AUTH_CACHE_DIR/api $GLANCE_AUTH_CACHE_DIR/registry $GLANCE_AUTH_CACHE_DIR/search $GLANCE_AUTH_CACHE_DIR/artifact
-    rm -f $GLANCE_AUTH_CACHE_DIR/api/* $GLANCE_AUTH_CACHE_DIR/registry/* $GLANCE_AUTH_CACHE_DIR/search/*
+    rm -f $GLANCE_AUTH_CACHE_DIR/api/* $GLANCE_AUTH_CACHE_DIR/registry/* $GLANCE_AUTH_CACHE_DIR/search/* $GLANCE_AUTH_CACHE_DIR/artifact/*
 }
 
 # init_glance() - Initialize databases, etc.
@@ -326,6 +389,15 @@ function start_glance {
     if ! wait_for_service $SERVICE_TIMEOUT $GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT; then
         die $LINENO "g-api did not start"
     fi
+
+    #Start g-glare after g-reg/g-api/g-search
+    if is_service_enabled g-glare; then
+        run_process g-glare "$GLANCE_BIN_DIR/glance-glare --config-file=$GLANCE_CONF_DIR/glance-glare.conf"
+        echo "Waiting for Glare [g-glare] ($GLANCE_GLARE_HOSTPORT) to start..."
+        if ! wait_for_service $SERVICE_TIMEOUT $GLANCE_SERVICE_PROTOCOL://$GLANCE_GLARE_HOSTPORT; then
+            die $LINENO " Glare [g-glare] did not start"
+        fi
+    fi
 }
 
 # stop_glance() - Stop running processes
@@ -333,6 +405,10 @@ function stop_glance {
     # Kill the Glance screen windows
     stop_process g-api
     stop_process g-reg
+
+    if is_service_enabled g-glare; then
+        stop_process g-glare
+    fi
 }
 
 # Restore xtrace