Move iscsid to a container

This configures iscsid so that it runs as a container on
relevant roles (undercloud, controller, compute, and volume).
When the iscsid docker service is provision it will also run
an ansible snippet that disables the iscsid.socket on the host
OS thus disabling the hosts systemd from auto-starting iscsid
as it normally does.

Co-Authored-By: Jon Bernard <jobernar@redhat.com>

Change-Id: I2ea741ad978f166e199d47ed1b52369e9b031f1f

1 files changed, 109 insertions, 0 deletions

diff --git a/docker/services/iscsid.yaml b/docker/services/iscsid.yaml
new file mode 100644
index 00000000..53f5aff2
--- /dev/null
+++ b/docker/services/iscsid.yaml
@@ -0,0 +1,109 @@
+heat_template_version: pike
+
+description: >
+  OpenStack containerized Iscsid service
+
+parameters:
+  DockerNamespace:
+    description: namespace
+    default: 'tripleoupstream'
+    type: string
+  DockerIscsidImage:
+    description: image
+    default: 'centos-binary-iscsid:latest'
+    type: string
+  EndpointMap:
+    default: {}
+    description: Mapping of service endpoint -> protocol. Typically set
+                 via parameter_defaults in the resource registry.
+    type: json
+  ServiceNetMap:
+    default: {}
+    description: Mapping of service_name -> network name. Typically set
+                 via parameter_defaults in the resource registry.  This
+                 mapping overrides those in ServiceNetMapDefaults.
+    type: json
+  RoleName:
+    default: ''
+    description: Role name on which the service is applied
+    type: string
+  RoleParameters:
+    default: {}
+    description: Parameters specific to the role
+    type: json
+  DefaultPasswords:
+    default: {}
+    type: json
+
+resources:
+
+  ContainersCommon:
+    type: ./containers-common.yaml
+
+outputs:
+  role_data:
+    description: Role data for the Iscsid API role.
+    value:
+      service_name: iscsid
+      config_settings: {}
+      step_config: ''
+      service_config_settings: {}
+      # BEGIN DOCKER SETTINGS
+      puppet_config:
+        config_volume: iscsid
+        #puppet_tags: file
+        step_config: ''
+        config_image: &iscsid_image
+          list_join:
+            - '/'
+            - [ {get_param: DockerNamespace}, {get_param: DockerIscsidImage} ]
+      kolla_config:
+        /var/lib/kolla/config_files/iscsid.json:
+          command: /usr/sbin/iscsid -f
+      docker_config:
+        step_3:
+          iscsid:
+            start_order: 2
+            image: *iscsid_image
+            net: host
+            privileged: true
+            restart: always
+            volumes:
+              list_concat:
+                - {get_attr: [ContainersCommon, volumes]}
+                -
+                  - /var/lib/kolla/config_files/iscsid.json:/var/lib/kolla/config_files/config.json:ro
+                  - /dev/:/dev/
+                  - /run/:/run/
+                  - /sys:/sys
+                  - /lib/modules:/lib/modules:ro
+                  - /etc/iscsi:/etc/iscsi
+            environment:
+              - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
+      host_prep_tasks:
+        - name: create /etc/iscsi
+          file:
+            path: /etc/iscsi
+            state: directory
+        - name: stat /lib/systemd/system/iscsid.socket
+          stat: path=/lib/systemd/system/iscsid.socket
+          register: stat_iscsid_socket
+        - name: Stop and disable iscsid.socket service
+          service: name=iscsid.socket state=stopped enabled=no
+          when: stat_iscsid_socket.stat.exists
+      upgrade_tasks:
+        - name: stat /lib/systemd/system/iscsid.service
+          stat: path=/lib/systemd/system/iscsid.service
+          register: stat_iscsid_service
+        - name: Stop and disable iscsid service
+          tags: step2
+          service: name=iscsid state=stopped enabled=no
+          when: stat_iscsid_service.stat.exists
+        - name: stat /lib/systemd/system/iscsid.socket
+          stat: path=/lib/systemd/system/iscsid.socket
+          register: stat_iscsid_socket
+        - name: Stop and disable iscsid.socket service
+          tags: step2
+          service: name=iscsid.socket state=stopped enabled=no
+          when: stat_iscsid_socket.stat.exists
+      metadata_settings: {}