Replace config-external with a JSON file for Glance

Change-Id: I14187db31a009c150424ea28b854a78c9ae3941d
Partially-Implements: blueprint replace-config-external

ansible/roles/glance/tasks/bootstrap.yml

@@ -58,7 +58,7 @@
     insecure_registry: "{{ docker_insecure_registry }}"
     name: bootstrap_glance
     image: "{{ glance_api_image_full }}"
-    volumes: "{{ node_config_directory }}/glance-api/:/opt/kolla/glance-api/:ro"
+    volumes: "{{ node_config_directory }}/glance-api/:/opt/kolla/config_files/:ro"
     volumes_from:
      - glance_data
     env:

ansible/roles/glance/tasks/config.yml

@@ -18,6 +18,11 @@
       - "{{ node_templates_directory }}/glance-registry/glance-registry.conf_augment"
     config_dest: "{{ node_config_directory }}/glance-registry/glance-registry.conf"
 
+- name: Copying over Glance Registry JSON configuration file
+  template:
+    src: "roles/glance/templates/glance-registry.json.j2"
+    dest: "{{ node_config_directory }}/glance-registry/config.json"
+
 - include: ../../config.yml
   vars:
     service_name: "glance-api"
@@ -36,3 +41,8 @@
       - "{{ node_templates_directory }}/glance-api/glance.conf_augment"
       - "{{ node_templates_directory }}/glance-api/glance-api.conf_augment"
     config_dest: "{{ node_config_directory }}/glance-api/glance-api.conf"
+
+- name: Copying over Glance API JSON configuration file
+  template:
+    src: "roles/glance/templates/glance-api.json.j2"
+    dest: "{{ node_config_directory }}/glance-api/config.json"

ansible/roles/glance/tasks/start.yml

@@ -13,7 +13,7 @@
     insecure_registry: "{{ docker_insecure_registry }}"
     name: glance_registry
     image: "{{ glance_registry_image_full }}"
-    volumes: "{{ node_config_directory }}/glance-registry/:/opt/kolla/glance-registry/:ro"
+    volumes: "{{ node_config_directory }}/glance-registry/:/opt/kolla/config_files/:ro"
     volumes_from:
       - glance_data
     env:
@@ -34,7 +34,7 @@
     insecure_registry: "{{ docker_insecure_registry }}"
     name: glance_api
     image: "{{ glance_api_image_full }}"
-    volumes: "{{ node_config_directory }}/glance-api/:/opt/kolla/glance-api/:ro"
+    volumes: "{{ node_config_directory }}/glance-api/:/opt/kolla/config_files/:ro"
     env:
       KOLLA_CONFIG_STRATEGY: "{{ config_strategy }}"
   when: inventory_hostname in groups['glance-api']

ansible/roles/glance/templates/glance-api.json.j2

@@ -0,0 +1,11 @@
+{
+    "command": "/usr/bin/glance-api",
+    "config_files": [
+        {
+            "source": "/opt/kolla/config_files/glance-api.conf",
+            "dest": "/etc/glance/glance-api.conf",
+            "owner": "glance",
+            "perm": "0600"
+        }
+    ]
+}

ansible/roles/glance/templates/glance-registry.json.j2

@@ -0,0 +1,11 @@
+{
+    "command": "/usr/bin/glance-registry",
+    "config_files": [
+        {
+            "source": "/opt/kolla/config_files/glance-registry.conf",
+            "dest": "/etc/glance/glance-registry.conf",
+            "owner": "glance",
+            "perm": "0600"
+        }
+    ]
+}

docker/glance/glance-api/start.sh

@@ -1,14 +1,12 @@
 #!/bin/bash
 set -o errexit
 
-CMD="/usr/bin/glance-api"
-ARGS=""
-
 # Loading common functions.
 source /opt/kolla/kolla-common.sh
 
-# Execute config strategy
-set_configs
+# Generate run command
+python /opt/kolla/set_configs.py
+CMD=$(cat /run_command)
 
 # Bootstrap and exit if KOLLA_BOOTSTRAP variable is set. This catches all cases
 # of the KOLLA_BOOTSTRAP variable being set, including empty.
@@ -17,4 +15,5 @@ if [[ "${!KOLLA_BOOTSTRAP[@]}" ]]; then
     exit 0
 fi
 
-exec $CMD $ARGS
+echo "Running command: ${CMD}"
+exec $CMD

docker/glance/glance-registry/start.sh

@@ -1,13 +1,12 @@
 #!/bin/bash
 set -o errexit
 
-CMD="/usr/bin/glance-registry"
-ARGS=""
-
 # Loading common functions.
 source /opt/kolla/kolla-common.sh
 
-# Execute config strategy
-set_configs
+# Generate run command
+python /opt/kolla/set_configs.py
+CMD=$(cat /run_command)
 
-exec $CMD $ARGS
+echo "Running command: ${CMD}"
+exec $CMD