diff options
Diffstat (limited to 'roles')
18 files changed, 150 insertions, 89 deletions
diff --git a/roles/openshift_facts/library/openshift_facts.py b/roles/openshift_facts/library/openshift_facts.py index 44983cfd6..bbcdbadd8 100755 --- a/roles/openshift_facts/library/openshift_facts.py +++ b/roles/openshift_facts/library/openshift_facts.py @@ -498,34 +498,6 @@ def set_selectors(facts): return facts -def set_project_cfg_facts_if_unset(facts): - """ Set Project Configuration facts if not already present in facts dict - dict: - Args: - facts (dict): existing facts - Returns: - dict: the facts dict updated with the generated Project Configuration - facts if they were not already present - - """ - - config = { - 'default_node_selector': '', - 'project_request_message': '', - 'project_request_template': '', - 'mcs_allocator_range': 's0:/2', - 'mcs_labels_per_project': 5, - 'uid_allocator_range': '1000000000-1999999999/10000' - } - - if 'master' in facts: - for key, value in config.items(): - if key not in facts['master']: - facts['master'][key] = value - - return facts - - def set_identity_providers_if_unset(facts): """ Set identity_providers fact if not already present in facts dict @@ -1800,7 +1772,6 @@ class OpenShiftFacts(object): facts = migrate_oauth_template_facts(facts) facts['current_config'] = get_current_config(facts) facts = set_url_facts_if_unset(facts) - facts = set_project_cfg_facts_if_unset(facts) facts = set_selectors(facts) facts = set_identity_providers_if_unset(facts) facts = set_deployment_facts_if_unset(facts) @@ -1930,6 +1901,7 @@ class OpenShiftFacts(object): glusterfs=dict( endpoints='glusterfs-registry-endpoints', path='glusterfs-registry-volume', + ips=[], readOnly=False, swap=False, swapcopy=True), diff --git a/roles/openshift_hosted/README.md b/roles/openshift_hosted/README.md index d6f6e3e09..a1c2c3956 100644 --- a/roles/openshift_hosted/README.md +++ b/roles/openshift_hosted/README.md @@ -34,13 +34,27 @@ variables also control configuration behavior: | Name | Default value | Description | |----------------------------------------------|---------------|------------------------------------------------------------------------------| -| openshift_hosted_registry_glusterfs_swap | False | Whether to swap an existing registry's storage volume for a GlusterFS volume | -| openshift_hosted_registry_glusterfs_swapcopy | True | If swapping, also copy the current contents of the registry volume | +| openshift_hosted_registry_storage_glusterfs_endpoints | glusterfs-registry-endpoints | The name for the Endpoints resource that will point the registry to the GlusterFS nodes +| openshift_hosted_registry_storage_glusterfs_path | glusterfs-registry-volume | The name for the GlusterFS volume that will provide registry storage +| openshift_hosted_registry_storage_glusterfs_readonly | False | Whether the GlusterFS volume should be read-only +| openshift_hosted_registry_storage_glusterfs_swap | False | Whether to swap an existing registry's storage volume for a GlusterFS volume +| openshift_hosted_registry_storage_glusterfs_swapcopy | True | If swapping, copy the contents of the pre-existing registry storage to the new GlusterFS volume +| openshift_hosted_registry_storage_glusterfs_ips | `[]` | A list of IP addresses of the nodes of the GlusterFS cluster to use for hosted registry storage + +**NOTE:** Configuring a value for +`openshift_hosted_registry_storage_glusterfs_ips` with a `glusterfs_registry` +host group is not allowed. Specifying a `glusterfs_registry` host group +indicates that a new GlusterFS cluster should be configured, whereas +specifying `openshift_hosted_registry_storage_glusterfs_ips` indicates wanting +to use a pre-configured GlusterFS cluster for the registry storage. + +_ Dependencies ------------ * openshift_hosted_facts +* openshift_persistent_volumes Example Playbook ---------------- @@ -56,6 +70,10 @@ Example Playbook cafile: /path/to/my-router-ca.crt openshift_hosted_router_registryurl: 'registry.access.redhat.com/openshift3/ose-haproxy-router:v3.0.2.0' openshift_hosted_router_selector: 'type=infra' + openshift_hosted_registry_storage_kind=glusterfs + openshift_hosted_registry_storage_glusterfs_path=external_glusterfs_volume_name + openshift_hosted_registry_storage_glusterfs_ips=['192.168.20.239','192.168.20.96','192.168.20.114'] + ``` License diff --git a/roles/openshift_hosted/defaults/main.yml b/roles/openshift_hosted/defaults/main.yml index 2af42fba4..e70c0c420 100644 --- a/roles/openshift_hosted/defaults/main.yml +++ b/roles/openshift_hosted/defaults/main.yml @@ -70,7 +70,6 @@ r_openshift_hosted_registry_use_firewalld: "{{ os_firewall_use_firewalld | defau openshift_hosted_registry_name: docker-registry openshift_hosted_registry_wait: "{{ not (openshift_master_bootstrap_enabled | default(False)) }}" openshift_hosted_registry_cert_expire_days: 730 - r_openshift_hosted_registry_os_firewall_deny: [] r_openshift_hosted_registry_os_firewall_allow: - service: Docker Registry Port diff --git a/roles/openshift_hosted/tasks/registry.yml b/roles/openshift_hosted/tasks/registry.yml index eaaac9da2..9f2ef4e40 100644 --- a/roles/openshift_hosted/tasks/registry.yml +++ b/roles/openshift_hosted/tasks/registry.yml @@ -1,4 +1,10 @@ --- +- name: Create temp directory for doing work in + command: mktemp -d /tmp/openshift-hosted-ansible-XXXXXX + register: mktempHosted + changed_when: False + check_mode: no + - name: setup firewall include: firewall.yml vars: @@ -36,13 +42,13 @@ l_default_replicas: "{{ l_node_count if openshift.hosted.registry.storage.kind | default(none) is not none else 1 }}" when: l_node_count | int > 0 - - name: set openshift_hosted facts set_fact: openshift_hosted_registry_replicas: "{{ openshift.hosted.registry.replicas | default(l_default_replicas) }}" openshift_hosted_registry_namespace: "{{ openshift.hosted.registry.namespace | default('default') }}" openshift_hosted_registry_selector: "{{ openshift.hosted.registry.selector }}" openshift_hosted_registry_images: "{{ openshift.hosted.registry.registryurl | default('openshift3/ose-${component}:${version}')}}" + openshift_hosted_registry_storage_glusterfs_ips: "{%- set gluster_ips = [] %}{% if groups.glusterfs_registry is defined %}{% for node in groups.glusterfs_registry %}{%- set _ = gluster_ips.append(hostvars[node].glusterfs_ip | default(hostvars[node].openshift.common.ip)) %}{% endfor %}{{ gluster_ips }}{% elif groups.glusterfs is defined %}{% for node in groups.glusterfs %}{%- set _ = gluster_ips.append(hostvars[node].glusterfs_ip | default(hostvars[node].openshift.common.ip)) %}{% endfor %}{{ gluster_ips }}{% else %}{{ openshift.hosted.registry.storage.glusterfs.ips }}{% endif %}" - name: Update registry environment variables when pushing via dns set_fact: @@ -113,6 +119,11 @@ when: - openshift.hosted.registry.storage.kind | default(none) in ['nfs', 'openstack', 'glusterfs'] +- include: storage/glusterfs_endpoints.yml + when: + - openshift_hosted_registry_storage_glusterfs_ips|length > 0 + - openshift.hosted.registry.storage.kind | default(none) in ['glusterfs'] + - name: Create OpenShift registry oc_adm_registry: name: "{{ openshift_hosted_registry_name }}" @@ -141,3 +152,10 @@ - include: storage/glusterfs.yml when: - openshift.hosted.registry.storage.kind | default(none) == 'glusterfs' or openshift.hosted.registry.storage.glusterfs.swap + +- name: Delete temp directory + file: + name: "{{ mktempHosted.stdout }}" + state: absent + changed_when: False + check_mode: no diff --git a/roles/openshift_hosted/tasks/storage/glusterfs.yml b/roles/openshift_hosted/tasks/storage/glusterfs.yml index 81241535b..7cae67baa 100644 --- a/roles/openshift_hosted/tasks/storage/glusterfs.yml +++ b/roles/openshift_hosted/tasks/storage/glusterfs.yml @@ -35,7 +35,7 @@ mount: state: mounted fstype: glusterfs - src: "{% if 'glusterfs_registry' in groups %}{% set node = groups.glusterfs_registry[0] %}{% else %}{% set node = groups.glusterfs[0] %}{% endif %}{% if 'glusterfs_hostname' in hostvars[node] %}{{ hostvars[node].glusterfs_hostname }}{% elif 'openshift' in hostvars[node] %}{{ hostvars[node].openshift.node.nodename }}{% else %}{{ node }}{% endif %}:/{{ openshift.hosted.registry.storage.glusterfs.path }}" + src: "{% if 'glusterfs_registry' in groups %}{% set node = groups.glusterfs_registry[0] %}{% elif 'glusterfs' in groups %}{% set node = groups.glusterfs[0] %}{% endif %}{% if openshift_hosted_registry_storage_glusterfs_ips is defined and openshift_hosted_registry_storage_glusterfs_ips|length > 0 %}{{ openshift_hosted_registry_storage_glusterfs_ips[0] }}{% elif 'glusterfs_hostname' in hostvars[node] %}{{ hostvars[node].glusterfs_hostname }}{% elif 'openshift' in hostvars[node] %}{{ hostvars[node].openshift.node.nodename }}{% else %}{{ node }}{% endif %}:/{{ openshift.hosted.registry.storage.glusterfs.path }}" name: "{{ mktemp.stdout }}" - name: Set registry volume permissions diff --git a/roles/openshift_hosted/tasks/storage/glusterfs_endpoints.yml b/roles/openshift_hosted/tasks/storage/glusterfs_endpoints.yml new file mode 100644 index 000000000..0f4381748 --- /dev/null +++ b/roles/openshift_hosted/tasks/storage/glusterfs_endpoints.yml @@ -0,0 +1,16 @@ +--- +- name: Generate GlusterFS registry endpoints + template: + src: "{{ openshift.common.examples_content_version }}/glusterfs-registry-endpoints.yml.j2" + dest: "{{ mktempHosted.stdout }}/glusterfs-registry-endpoints.yml" + +- name: Generate GlusterFS registry service + template: + src: "{{ openshift.common.examples_content_version }}/glusterfs-registry-service.yml.j2" + dest: "{{ mktempHosted.stdout }}/glusterfs-registry-service.yml" + +- name: Create GlusterFS registry service and endpoint + command: "{{ openshift.common.client_binary }} apply -f {{ item }} -n {{ openshift.hosted.registry.namespace | default('default') }}" + with_items: + - "{{ mktempHosted.stdout }}/glusterfs-registry-service.yml" + - "{{ mktempHosted.stdout }}/glusterfs-registry-endpoints.yml" diff --git a/roles/openshift_hosted/templates/v3.6/glusterfs-registry-endpoints.yml.j2 b/roles/openshift_hosted/templates/v3.6/glusterfs-registry-endpoints.yml.j2 new file mode 100644 index 000000000..607d25533 --- /dev/null +++ b/roles/openshift_hosted/templates/v3.6/glusterfs-registry-endpoints.yml.j2 @@ -0,0 +1,12 @@ +--- +apiVersion: v1 +kind: Endpoints +metadata: + name: {{ openshift.hosted.registry.storage.glusterfs.endpoints }} +subsets: +- addresses: +{% for ip in openshift_hosted_registry_storage_glusterfs_ips %} + - ip: {{ ip }} +{% endfor %} + ports: + - port: 1 diff --git a/roles/openshift_hosted/templates/v3.6/glusterfs-registry-service.yml.j2 b/roles/openshift_hosted/templates/v3.6/glusterfs-registry-service.yml.j2 new file mode 100644 index 000000000..452c7c3e1 --- /dev/null +++ b/roles/openshift_hosted/templates/v3.6/glusterfs-registry-service.yml.j2 @@ -0,0 +1,10 @@ +--- +apiVersion: v1 +kind: Service +metadata: + name: {{ openshift.hosted.registry.storage.glusterfs.endpoints }} +spec: + ports: + - port: 1 +status: + loadBalancer: {} diff --git a/roles/openshift_hosted/templates/v3.7/glusterfs-registry-endpoints.yml.j2 b/roles/openshift_hosted/templates/v3.7/glusterfs-registry-endpoints.yml.j2 new file mode 100644 index 000000000..607d25533 --- /dev/null +++ b/roles/openshift_hosted/templates/v3.7/glusterfs-registry-endpoints.yml.j2 @@ -0,0 +1,12 @@ +--- +apiVersion: v1 +kind: Endpoints +metadata: + name: {{ openshift.hosted.registry.storage.glusterfs.endpoints }} +subsets: +- addresses: +{% for ip in openshift_hosted_registry_storage_glusterfs_ips %} + - ip: {{ ip }} +{% endfor %} + ports: + - port: 1 diff --git a/roles/openshift_hosted/templates/v3.7/glusterfs-registry-service.yml.j2 b/roles/openshift_hosted/templates/v3.7/glusterfs-registry-service.yml.j2 new file mode 100644 index 000000000..452c7c3e1 --- /dev/null +++ b/roles/openshift_hosted/templates/v3.7/glusterfs-registry-service.yml.j2 @@ -0,0 +1,10 @@ +--- +apiVersion: v1 +kind: Service +metadata: + name: {{ openshift.hosted.registry.storage.glusterfs.endpoints }} +spec: + ports: + - port: 1 +status: + loadBalancer: {} diff --git a/roles/openshift_master/defaults/main.yml b/roles/openshift_master/defaults/main.yml index 1fe7086bc..8e4a46ebb 100644 --- a/roles/openshift_master/defaults/main.yml +++ b/roles/openshift_master/defaults/main.yml @@ -16,6 +16,12 @@ system_images_registry: "{{ system_images_registry_dict[openshift_deployment_typ l_is_master_system_container: "{{ (openshift_use_master_system_container | default(openshift_use_system_containers | default(false)) | bool) }}" openshift_master_dns_port: 8053 +osm_default_node_selector: '' +osm_project_request_template: '' +osm_mcs_allocator_range: 's0:/2' +osm_mcs_labels_per_project: 5 +osm_uid_allocator_range: '1000000000-1999999999/10000' +osm_project_request_message: '' openshift_node_ips: [] r_openshift_master_clean_install: false diff --git a/roles/openshift_master/templates/master.yaml.v1.j2 b/roles/openshift_master/templates/master.yaml.v1.j2 index d5dd9e9c0..a0f00e545 100644 --- a/roles/openshift_master/templates/master.yaml.v1.j2 +++ b/roles/openshift_master/templates/master.yaml.v1.j2 @@ -196,13 +196,13 @@ policyConfig: openshiftInfrastructureNamespace: openshift-infra openshiftSharedResourcesNamespace: openshift projectConfig: - defaultNodeSelector: "{{ openshift.master.default_node_selector }}" - projectRequestMessage: "{{ openshift.master.project_request_message }}" - projectRequestTemplate: "{{ openshift.master.project_request_template }}" + defaultNodeSelector: "{{ osm_default_node_selector }}" + projectRequestMessage: "{{ osm_project_request_message }}" + projectRequestTemplate: "{{ osm_project_request_template }}" securityAllocator: - mcsAllocatorRange: "{{ openshift.master.mcs_allocator_range }}" - mcsLabelsPerProject: {{ openshift.master.mcs_labels_per_project }} - uidAllocatorRange: "{{ openshift.master.uid_allocator_range }}" + mcsAllocatorRange: "{{ osm_mcs_allocator_range }}" + mcsLabelsPerProject: {{ osm_mcs_labels_per_project }} + uidAllocatorRange: "{{ osm_uid_allocator_range }}" routingConfig: subdomain: "{{ openshift_master_default_subdomain | default("") }}" serviceAccountConfig: diff --git a/roles/openshift_master_facts/tasks/main.yml b/roles/openshift_master_facts/tasks/main.yml index 39d571358..20cc5358e 100644 --- a/roles/openshift_master_facts/tasks/main.yml +++ b/roles/openshift_master_facts/tasks/main.yml @@ -75,12 +75,6 @@ sdn_cluster_network_cidr: "{{ osm_cluster_network_cidr | default(None) }}" sdn_host_subnet_length: "{{ osm_host_subnet_length | default(None) }}" custom_cors_origins: "{{ osm_custom_cors_origins | default(None) }}" - default_node_selector: "{{ osm_default_node_selector | default(None) }}" - project_request_message: "{{ osm_project_request_message | default(None) }}" - project_request_template: "{{ osm_project_request_template | default(None) }}" - mcs_allocator_range: "{{ osm_mcs_allocator_range | default(None) }}" - mcs_labels_per_project: "{{ osm_mcs_labels_per_project | default(None) }}" - uid_allocator_range: "{{ osm_uid_allocator_range | default(None) }}" registry_selector: "{{ openshift_registry_selector | default(None) }}" api_server_args: "{{ osm_api_server_args | default(None) }}" controller_args: "{{ osm_controller_args | default(None) }}" diff --git a/roles/openshift_sanitize_inventory/tasks/unsupported.yml b/roles/openshift_sanitize_inventory/tasks/unsupported.yml index b70ab90a1..1c4984467 100644 --- a/roles/openshift_sanitize_inventory/tasks/unsupported.yml +++ b/roles/openshift_sanitize_inventory/tasks/unsupported.yml @@ -40,3 +40,27 @@ openshift_master_dynamic_provisioning_enabled to True and set an openshift_cloudprovider_kind. You can disable this check with 'dynamic_volumes_check=False'. + +#if we have registry backend as glusterfs, and we have clashing configuration. +- name: Ensure the hosted registry's GlusterFS storage is configured correctly + when: + - openshift_hosted_registry_storage_kind | default(none) in ['glusterfs'] + - openshift_hosted_registry_storage_glusterfs_ips is defined and openshift_hosted_registry_storage_glusterfs_ips != '' + - "'glusterfs_registry' in groups | default([])" + fail: + msg: |- + Configuring a value for openshift_hosted_registry_storage_glusterfs_ips and with a glusterfs_registry host group is not allowed. + Specifying a glusterfs_registry host group indicates that a new GlusterFS cluster should be configured, whereas + specifying openshift_hosted_registry_storage_glusterfs_ips indicates wanting to use a pre-configured GlusterFS cluster for the registry storage. + +#if we have registry backend as glusterfs and no gluster specified. +- name: Ensure the hosted registry's GlusterFS storage is configured correctly + when: + - openshift_hosted_registry_storage_kind | default(none) in ['glusterfs'] + - not openshift_hosted_registry_storage_glusterfs_ips is defined + - not 'glusterfs_registry' in groups | default([]) + - not 'glusterfs' in groups | default([]) + fail: + msg: |- + Configuring a value for openshift_hosted_registry_storage_kind=glusterfs without a any glusterfs option is not allowed. + Specify either openshift_hosted_registry_storage_glusterfs_ips variable or glusterfs, glusterfs_registry host groups. diff --git a/roles/openshift_storage_glusterfs/README.md b/roles/openshift_storage_glusterfs/README.md index 54adcf78d..be749a2e1 100644 --- a/roles/openshift_storage_glusterfs/README.md +++ b/roles/openshift_storage_glusterfs/README.md @@ -133,8 +133,7 @@ are an exception: | openshift_storage_glusterfs_registry_heketi_admin_key | auto-generated | Separate from the above | openshift_storage_glusterfs_registry_heketi_user_key | auto-generated | Separate from the above -Additionally, this role's behavior responds to the following registry-specific -variables: +Additionally, this role's behavior responds to several registry-specific variables in the [openshift_hosted role](../openshift_hosted/README.md): | Name | Default value | Description | |-------------------------------------------------------|------------------------------|-----------------------------------------| diff --git a/roles/openshift_storage_glusterfs/tasks/glusterfs_config.yml b/roles/openshift_storage_glusterfs/tasks/glusterfs_config.yml index 1ede0ae94..b8fd7979f 100644 --- a/roles/openshift_storage_glusterfs/tasks/glusterfs_config.yml +++ b/roles/openshift_storage_glusterfs/tasks/glusterfs_config.yml @@ -44,6 +44,6 @@ glusterfs_heketi_ssh_sudo: "{{ openshift_storage_glusterfs_heketi_ssh_sudo | bool }}" glusterfs_heketi_ssh_keyfile: "{{ openshift_storage_glusterfs_heketi_ssh_keyfile }}" glusterfs_heketi_fstab: "{{ openshift_storage_glusterfs_heketi_fstab }}" - glusterfs_nodes: "{{ groups.glusterfs }}" + glusterfs_nodes: "{{ groups.glusterfs | default([]]) }}" - include: glusterfs_common.yml diff --git a/roles/openshift_storage_glusterfs/tasks/glusterfs_deploy.yml b/roles/openshift_storage_glusterfs/tasks/glusterfs_deploy.yml index ef37762f9..30e83e79b 100644 --- a/roles/openshift_storage_glusterfs/tasks/glusterfs_deploy.yml +++ b/roles/openshift_storage_glusterfs/tasks/glusterfs_deploy.yml @@ -77,6 +77,14 @@ files: - "{{ mktemp.stdout }}/glusterfs-template.yml" +- name: Check GlusterFS DaemonSet status + oc_obj: + namespace: "{{ glusterfs_namespace }}" + kind: daemonset + name: glusterfs-{{ glusterfs_name }} + state: list + register: glusterfs_ds + - name: Deploy GlusterFS pods oc_process: namespace: "{{ glusterfs_namespace }}" @@ -88,6 +96,8 @@ NODE_LABELS: "{{ glusterfs_nodeselector }}" CLUSTER_NAME: "{{ glusterfs_name }}" GB_GLFS_LRU_COUNT: "{{ glusterfs_block_host_vol_max }}" + when: (glusterfs_ds.results.results[0].status is not defined) or + (glusterfs_ds.results.results[0].status.numberReady | default(0) < glusterfs_ds.results.results[0].status.desiredNumberScheduled | default(glusterfs_nodes | count)) - name: Wait for GlusterFS pods oc_obj: diff --git a/roles/openshift_storage_glusterfs/tasks/glusterfs_registry.yml b/roles/openshift_storage_glusterfs/tasks/glusterfs_registry.yml index 1fa42efa7..d3cba61cf 100644 --- a/roles/openshift_storage_glusterfs/tasks/glusterfs_registry.yml +++ b/roles/openshift_storage_glusterfs/tasks/glusterfs_registry.yml @@ -44,52 +44,13 @@ glusterfs_heketi_ssh_sudo: "{{ openshift_storage_glusterfs_registry_heketi_ssh_sudo | bool }}" glusterfs_heketi_ssh_keyfile: "{{ openshift_storage_glusterfs_registry_heketi_ssh_keyfile }}" glusterfs_heketi_fstab: "{{ openshift_storage_glusterfs_registry_heketi_fstab }}" - glusterfs_nodes: "{{ groups.glusterfs_registry | default(groups.glusterfs) }}" + glusterfs_nodes: "{% if groups.glusterfs_registry is defined %}{% set nodes = groups.glusterfs_registry %}{% elif 'groups.glusterfs' is defined %}{% set nodes = groups.glusterfs %}{% else %}{% set nodes = '[]' %}{% endif %}{{ nodes }}" - include: glusterfs_common.yml when: - glusterfs_nodes | default([]) | count > 0 - "'glusterfs' not in groups or glusterfs_nodes != groups.glusterfs" -- name: Delete pre-existing GlusterFS registry resources - oc_obj: - namespace: "{{ glusterfs_namespace }}" - kind: "{{ item.kind }}" - name: "{{ item.name }}" - state: absent - with_items: - - kind: "svc" - name: "glusterfs-{{ glusterfs_name | default }}-endpoints" - failed_when: False - -- name: Generate GlusterFS registry endpoints - template: - src: "{{ openshift.common.examples_content_version }}/glusterfs-registry-endpoints.yml.j2" - dest: "{{ mktemp.stdout }}/glusterfs-registry-endpoints.yml" - -- name: Copy GlusterFS registry service - template: - src: "{{ openshift.common.examples_content_version }}/glusterfs-registry-service.yml.j2" - dest: "{{ mktemp.stdout }}/glusterfs-registry-service.yml" - -- name: Create GlusterFS registry endpoints - oc_obj: - namespace: "{{ openshift.hosted.registry.namespace | default('default') }}" - state: present - kind: endpoints - name: "glusterfs-{{ glusterfs_name }}-endpoints" - files: - - "{{ mktemp.stdout }}/glusterfs-registry-endpoints.yml" - -- name: Create GlusterFS registry service - oc_obj: - namespace: "{{ openshift.hosted.registry.namespace | default('default') }}" - state: present - kind: service - name: "glusterfs-{{ glusterfs_name }}-endpoints" - files: - - "{{ mktemp.stdout }}/glusterfs-registry-service.yml" - - name: Check if GlusterFS registry volume exists command: "{{ glusterfs_heketi_client }} volume list" register: registry_volume |