From 483870112d3a079709b231f1128b979fc5e60c52 Mon Sep 17 00:00:00 2001 From: "Jose A. Rivera" Date: Mon, 17 Apr 2017 17:46:14 -0500 Subject: GlusterFS: Allow swapping an existing registry's backend storage Signed-off-by: Jose A. Rivera --- roles/openshift_hosted/README.md | 8 ++++++ roles/openshift_hosted/tasks/registry/registry.yml | 2 +- .../tasks/registry/storage/glusterfs.yml | 33 ++++++++++++++++++++++ 3 files changed, 42 insertions(+), 1 deletion(-) (limited to 'roles/openshift_hosted') diff --git a/roles/openshift_hosted/README.md b/roles/openshift_hosted/README.md index 6d576df71..3e5d7f860 100644 --- a/roles/openshift_hosted/README.md +++ b/roles/openshift_hosted/README.md @@ -28,6 +28,14 @@ From this role: | openshift_hosted_registry_selector | region=infra | Node selector used when creating registry. The OpenShift registry will only be deployed to nodes matching this selector. | | openshift_hosted_registry_cert_expire_days | `730` (2 years) | Validity of the certificates in days. Works only with OpenShift version 1.5 (3.5) and later. | +If you specify `openshift_hosted_registry_kind=glusterfs`, the following +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 | + Dependencies ------------ diff --git a/roles/openshift_hosted/tasks/registry/registry.yml b/roles/openshift_hosted/tasks/registry/registry.yml index 7ba4bdcab..751489958 100644 --- a/roles/openshift_hosted/tasks/registry/registry.yml +++ b/roles/openshift_hosted/tasks/registry/registry.yml @@ -126,4 +126,4 @@ - include: storage/glusterfs.yml when: - - openshift.hosted.registry.storage.kind | default(none) == 'glusterfs' + - openshift.hosted.registry.storage.kind | default(none) == 'glusterfs' or openshift.hosted.registry.storage.glusterfs.swap diff --git a/roles/openshift_hosted/tasks/registry/storage/glusterfs.yml b/roles/openshift_hosted/tasks/registry/storage/glusterfs.yml index 29c2f46ac..e6bb196b8 100644 --- a/roles/openshift_hosted/tasks/registry/storage/glusterfs.yml +++ b/roles/openshift_hosted/tasks/registry/storage/glusterfs.yml @@ -46,6 +46,39 @@ mode: "2775" recurse: True +- block: + - name: Activate registry maintenance mode + oc_env: + namespace: "{{ openshift_hosted_registry_namespace }}" + name: "{{ openshift_hosted_registry_name }}" + env_vars: + - REGISTRY_STORAGE_MAINTENANCE_READONLY_ENABLED: 'true' + + - name: Get first registry pod name + set_fact: + registry_pod_name: "{{ registry_pods.results.results[0]['items'][0].metadata.name }}" + + - name: Copy current registry contents to new GlusterFS volume + command: "oc rsync {{ registry_pod_name }}:/registry/ {{ mktemp.stdout }}/" + when: openshift.hosted.registry.storage.glusterfs.swapcopy + + - name: Swap new GlusterFS registry volume + oc_volume: + namespace: "{{ openshift_hosted_registry_namespace }}" + name: "{{ openshift_hosted_registry_name }}" + vol_name: registry-storage + mount_type: pvc + claim_name: "{{ openshift.hosted.registry.storage.volume.name }}-glusterfs-claim" + + - name: Deactivate registry maintenance mode + oc_env: + namespace: "{{ openshift_hosted_registry_namespace }}" + name: "{{ openshift_hosted_registry_name }}" + state: absent + env_vars: + - REGISTRY_STORAGE_MAINTENANCE_READONLY_ENABLED: 'true' + when: openshift.hosted.registry.storage.glusterfs.swap + - name: Unmount registry volume mount: state: unmounted -- cgit v1.2.3