From 84f65590e8acebdc0f4be35dd6ab41ec5627420b Mon Sep 17 00:00:00 2001
From: "Jose A. Rivera" <jarrpa@redhat.com>
Date: Mon, 3 Apr 2017 11:16:11 -0500
Subject: Allow for GlusterFS to provide registry storage

Signed-off-by: Jose A. Rivera <jarrpa@redhat.com>
---
 inventory/byo/hosts.origin.example                 |  3 ++
 inventory/byo/hosts.ose.example                    |  3 ++
 roles/openshift_facts/library/openshift_facts.py   |  4 ++
 roles/openshift_hosted/tasks/registry/registry.yml |  6 ++-
 .../tasks/registry/storage/glusterfs.yml           | 51 ++++++++++++++++++++++
 5 files changed, 66 insertions(+), 1 deletion(-)
 create mode 100644 roles/openshift_hosted/tasks/registry/storage/glusterfs.yml

diff --git a/inventory/byo/hosts.origin.example b/inventory/byo/hosts.origin.example
index 27914e60a..6d7706013 100644
--- a/inventory/byo/hosts.origin.example
+++ b/inventory/byo/hosts.origin.example
@@ -426,6 +426,9 @@ openshift_master_identity_providers=[{'name': 'htpasswd_auth', 'login': 'true',
 #openshift_hosted_registry_storage_openstack_volumeID=3a650b4f-c8c5-4e0a-8ca5-eaee11f16c57
 #openshift_hosted_registry_storage_volume_size=10Gi
 #
+# Native GlusterFS Registry Storage
+#openshift_hosted_registry_storage_kind=glusterfs
+#
 # AWS S3
 # S3 bucket must already exist.
 #openshift_hosted_registry_storage_kind=object
diff --git a/inventory/byo/hosts.ose.example b/inventory/byo/hosts.ose.example
index f0269bff8..ef86c0922 100644
--- a/inventory/byo/hosts.ose.example
+++ b/inventory/byo/hosts.ose.example
@@ -426,6 +426,9 @@ openshift_master_identity_providers=[{'name': 'htpasswd_auth', 'login': 'true',
 #openshift_hosted_registry_storage_openstack_volumeID=3a650b4f-c8c5-4e0a-8ca5-eaee11f16c57
 #openshift_hosted_registry_storage_volume_size=10Gi
 #
+# Native GlusterFS Registry Storage
+#openshift_hosted_registry_storage_kind=glusterfs
+#
 # AWS S3
 #
 # S3 bucket must already exist.
diff --git a/roles/openshift_facts/library/openshift_facts.py b/roles/openshift_facts/library/openshift_facts.py
index 7edf141e5..adeb85c3f 100755
--- a/roles/openshift_facts/library/openshift_facts.py
+++ b/roles/openshift_facts/library/openshift_facts.py
@@ -2155,6 +2155,10 @@ class OpenShiftFacts(object):
                         nfs=dict(
                             directory='/exports',
                             options='*(rw,root_squash)'),
+                        glusterfs=dict(
+                            endpoints='glusterfs-registry-endpoints',
+                            path='glusterfs-registry-volume',
+                            readOnly=False),
                         host=None,
                         access=dict(
                             modes=['ReadWriteMany']
diff --git a/roles/openshift_hosted/tasks/registry/registry.yml b/roles/openshift_hosted/tasks/registry/registry.yml
index 0b8042473..6e691c26f 100644
--- a/roles/openshift_hosted/tasks/registry/registry.yml
+++ b/roles/openshift_hosted/tasks/registry/registry.yml
@@ -109,7 +109,7 @@
       type: persistentVolumeClaim
       claim_name: "{{ openshift.hosted.registry.storage.volume.name }}-claim"
   when:
-  - openshift.hosted.registry.storage.kind | default(none) in ['nfs', 'openstack']
+  - openshift.hosted.registry.storage.kind | default(none) in ['nfs', 'openstack', 'glusterfs']
 
 - name: Create OpenShift registry
   oc_adm_registry:
@@ -123,3 +123,7 @@
     volume_mounts: "{{ openshift_hosted_registry_volumes }}"
     edits: "{{ openshift_hosted_registry_edits }}"
     force: "{{ True|bool in openshift_hosted_registry_force }}"
+
+- include: storage/glusterfs.yml
+  when:
+  - openshift.hosted.registry.storage.kind | default(none) == 'glusterfs'
diff --git a/roles/openshift_hosted/tasks/registry/storage/glusterfs.yml b/roles/openshift_hosted/tasks/registry/storage/glusterfs.yml
new file mode 100644
index 000000000..b18b24266
--- /dev/null
+++ b/roles/openshift_hosted/tasks/registry/storage/glusterfs.yml
@@ -0,0 +1,51 @@
+---
+- name: Wait for registry pods
+  oc_obj:
+    namespace: "{{ openshift_hosted_registry_namespace }}"
+    state: list
+    kind: pod
+    selector: "{{ openshift_hosted_registry_name }}={{ openshift_hosted_registry_namespace }}"
+  register: registry_pods
+  until:
+  - "registry_pods.results.results[0]['items'] | count > 0"
+  # There must be as many matching pods with 'Ready' status True as there are expected replicas
+  - "registry_pods.results.results[0]['items'] | oo_collect(attribute='status.conditions') | oo_collect(attribute='status', filters={'type': 'Ready'}) | map('bool') | select | list | count == openshift_hosted_registry_replicas | int"
+  delay: 10
+  retries: "{{ (600 / 10) | int }}"
+
+- name: Determine registry fsGroup
+  set_fact:
+    openshift_hosted_registry_fsgroup: "{{ registry_pods.results.results[0]['items'][0].spec.securityContext.fsGroup }}"
+
+- name: Create temp mount directory
+  command: mktemp -d /tmp/openshift-glusterfs-registry-XXXXXX
+  register: mktemp
+  changed_when: False
+  check_mode: no
+
+- name: Mount registry volume
+  mount:
+    state: mounted
+    fstype: glusterfs
+    src: "{{ groups.oo_glusterfs_to_config[0] }}:/{{ openshift.hosted.registry.storage.glusterfs.path }}"
+    name: "{{ mktemp.stdout }}"
+
+- name: Set registry volume permissions
+  file:
+    dest: "{{ mktemp.stdout }}"
+    state: directory
+    group: "{{ openshift_hosted_registry_fsgroup }}"
+    mode: "2775"
+    recurse: True
+
+- name: Unmount registry volume
+  mount:
+    state: unmounted
+    name: "{{ mktemp.stdout }}"
+
+- name: Delete temp mount directory
+  file:
+    dest: "{{ mktemp.stdout }}"
+    state: absent
+  changed_when: False
+  check_mode: no
-- 
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