Merge pull request #6150 from jarrpa/glusterfs-block-fix

GlusterFS: Add configuration for auto creating block-hosting volumes

roles/openshift_storage_glusterfs/README.md

@@ -87,7 +87,9 @@ GlusterFS cluster into a new or existing OpenShift cluster:
 | openshift_storage_glusterfs_block_deploy         | True                    | Deploy glusterblock provisioner service
 | openshift_storage_glusterfs_block_image          | 'gluster/glusterblock-provisioner'| Container image to use for glusterblock-provisioner pod, enterprise default is 'rhgs3/rhgs-gluster-block-prov-rhel7'
 | openshift_storage_glusterfs_block_version        | 'latest'                | Container image version to use for glusterblock-provisioner pod
-| openshift_storage_glusterfs_block_max_host_vol   | 15                      | Max number of GlusterFS volumes to host glusterblock volumes
+| openshift_storage_glusterfs_block_host_vol_create| True                    | Automatically create GlusterFS volumes to host glusterblock volumes. **NOTE:** If this is False, block-hosting volumes will need to be manually created before glusterblock volumes can be provisioned
+| openshift_storage_glusterfs_block_host_vol_size  | 100                     | Size, in GB, of GlusterFS volumes that will be automatically create to host glusterblock volumes if not enough space is available for a glusterblock volume create request. **NOTE:** This value is effectively an upper limit on the size of glusterblock volumes unless you manually create larger GlusterFS block-hosting volumes
+| openshift_storage_glusterfs_block_host_vol_max   | 15                      | Max number of GlusterFS volumes to host glusterblock volumes
 | openshift_storage_glusterfs_s3_deploy            | True                    | Deploy gluster-s3 service
 | openshift_storage_glusterfs_s3_image             | 'gluster/gluster-object'| Container image to use for gluster-s3 pod, enterprise default is 'rhgs3/rhgs-gluster-s3-server-rhel7'
 | openshift_storage_glusterfs_s3_version           | 'latest'                | Container image version to use for gluster=s3 pod

roles/openshift_storage_glusterfs/defaults/main.yml

@@ -10,7 +10,9 @@ openshift_storage_glusterfs_version: 'latest'
 openshift_storage_glusterfs_block_deploy: True
 openshift_storage_glusterfs_block_image: "{{ 'rhgs3/rhgs-gluster-block-prov-rhel7' | quote if deployment_type == 'openshift-enterprise' else 'gluster/glusterblock-provisioner' | quote }}"
 openshift_storage_glusterfs_block_version: 'latest'
-openshift_storage_glusterfs_block_max_host_vol: 15
+openshift_storage_glusterfs_block_host_vol_create: True
+openshift_storage_glusterfs_block_host_vol_size: 100
+openshift_storage_glusterfs_block_host_vol_max: 15
 openshift_storage_glusterfs_s3_deploy: True
 openshift_storage_glusterfs_s3_image: "{{ 'rhgs3/rhgs-gluster-s3-server-rhel7' | quote if deployment_type == 'openshift-enterprise' else 'gluster/gluster-object' | quote }}"
 openshift_storage_glusterfs_s3_version: 'latest'
@@ -54,7 +56,9 @@ openshift_storage_glusterfs_registry_version: "{{ openshift_storage_glusterfs_ve
 openshift_storage_glusterfs_registry_block_deploy: "{{ openshift_storage_glusterfs_block_deploy }}"
 openshift_storage_glusterfs_registry_block_image: "{{ openshift_storage_glusterfs_block_image }}"
 openshift_storage_glusterfs_registry_block_version: "{{ openshift_storage_glusterfs_block_version }}"
-openshift_storage_glusterfs_registry_block_max_host_vol: "{{ openshift_storage_glusterfs_block_max_host_vol }}"
+openshift_storage_glusterfs_registry_block_host_vol_create: "{{ openshift_storage_glusterfs_block_host_vol_create }}"
+openshift_storage_glusterfs_registry_block_host_vol_size: "{{ openshift_storage_glusterfs_block_host_vol_size }}"
+openshift_storage_glusterfs_registry_block_host_vol_max: "{{ openshift_storage_glusterfs_block_host_vol_max }}"
 openshift_storage_glusterfs_registry_s3_deploy: "{{ openshift_storage_glusterfs_s3_deploy }}"
 openshift_storage_glusterfs_registry_s3_image: "{{ openshift_storage_glusterfs_s3_image }}"
 openshift_storage_glusterfs_registry_s3_version: "{{ openshift_storage_glusterfs_s3_version }}"

roles/openshift_storage_glusterfs/files/v3.7/glusterblock-provisioner.yml

@@ -2,7 +2,7 @@
 kind: Template
 apiVersion: v1
 metadata:
-  name: glusterblock
+  name: glusterblock-provisioner
   labels:
     glusterfs: block-template
     glusterblock: template

roles/openshift_storage_glusterfs/tasks/glusterblock_deploy.yml

@@ -29,21 +29,21 @@
     src: "{{ openshift.common.examples_content_version }}/{{ item }}"
     dest: "{{ mktemp.stdout }}/{{ item }}"
   with_items:
-  - "glusterblock-template.yml"
+  - "glusterblock-provisioner.yml"
 
 - name: Create glusterblock provisioner template
   oc_obj:
     namespace: "{{ glusterfs_namespace }}"
     kind: template
-    name: "glusterblock"
+    name: "glusterblock-provisioner"
     state: present
     files:
-    - "{{ mktemp.stdout }}/glusterblock-template.yml"
+    - "{{ mktemp.stdout }}/glusterblock-provisioner.yml"
 
 - name: Deploy glusterblock provisioner
   oc_process:
     namespace: "{{ glusterfs_namespace }}"
-    template_name: "glusterblock"
+    template_name: "glusterblock-provisioner"
     create: True
     params:
       IMAGE_NAME: "{{ glusterfs_block_image }}"

roles/openshift_storage_glusterfs/tasks/glusterfs_config.yml

@@ -12,7 +12,9 @@
     glusterfs_block_deploy: "{{ openshift_storage_glusterfs_block_deploy | bool }}"
     glusterfs_block_image: "{{ openshift_storage_glusterfs_block_image }}"
     glusterfs_block_version: "{{ openshift_storage_glusterfs_block_version }}"
-    glusterfs_block_max_host_vol: "{{ openshift_storage_glusterfs_block_max_host_vol }}"
+    glusterfs_block_host_vol_create: "{{ openshift_storage_glusterfs_block_host_vol_create }}"
+    glusterfs_block_host_vol_size: "{{ openshift_storage_glusterfs_block_host_vol_size }}"
+    glusterfs_block_host_vol_max: "{{ openshift_storage_glusterfs_block_host_vol_max }}"
     glusterfs_s3_deploy: "{{ openshift_storage_glusterfs_s3_deploy | bool }}"
     glusterfs_s3_image: "{{ openshift_storage_glusterfs_s3_image }}"
     glusterfs_s3_version: "{{ openshift_storage_glusterfs_s3_version }}"

roles/openshift_storage_glusterfs/tasks/glusterfs_deploy.yml

@@ -87,7 +87,7 @@
       IMAGE_VERSION: "{{ glusterfs_version }}"
       NODE_LABELS: "{{ glusterfs_nodeselector }}"
       CLUSTER_NAME: "{{ glusterfs_name }}"
-      GB_GLFS_LRU_COUNT: "{{ glusterfs_block_max_host_vol }}"
+      GB_GLFS_LRU_COUNT: "{{ glusterfs_block_host_vol_max }}"
 
 - name: Wait for GlusterFS pods
   oc_obj:

roles/openshift_storage_glusterfs/tasks/glusterfs_registry.yml

@@ -12,7 +12,9 @@
     glusterfs_block_deploy: "{{ openshift_storage_glusterfs_registry_block_deploy | bool }}"
     glusterfs_block_image: "{{ openshift_storage_glusterfs_registry_block_image }}"
     glusterfs_block_version: "{{ openshift_storage_glusterfs_registry_block_version }}"
-    glusterfs_block_max_host_vol: "{{ openshift_storage_glusterfs_registry_block_max_host_vol }}"
+    glusterfs_block_host_vol_create: "{{ openshift_storage_glusterfs_registry_block_host_vol_create }}"
+    glusterfs_block_host_vol_size: "{{ openshift_storage_glusterfs_registry_block_host_vol_size }}"
+    glusterfs_block_host_vol_max: "{{ openshift_storage_glusterfs_registry_block_host_vol_max }}"
     glusterfs_s3_deploy: "{{ openshift_storage_glusterfs_registry_s3_deploy | bool }}"
     glusterfs_s3_image: "{{ openshift_storage_glusterfs_registry_s3_image }}"
     glusterfs_s3_version: "{{ openshift_storage_glusterfs_registry_s3_version }}"

roles/openshift_storage_glusterfs/templates/v3.7/heketi.json.j2

@@ -31,6 +31,12 @@
 			"port" : "{{ glusterfs_heketi_ssh_port }}",
 			"user" : "{{ glusterfs_heketi_ssh_user }}",
 			"sudo" : {{ glusterfs_heketi_ssh_sudo | lower }}
-		}
+		},
+
+		"_auto_create_block_hosting_volume": "Creates Block Hosting volumes automatically if not found or exsisting volume exhausted",
+		"auto_create_block_hosting_volume": {{ glusterfs_block_host_vol_create | lower }},
+
+		"_block_hosting_volume_size": "New block hosting volume will be created in size mentioned, This is considered only if auto-create is enabled.",
+		"block_hosting_volume_size": {{ glusterfs_block_host_vol_size }}
 	}
 }