Merge pull request #24 from phnmnl/feature/postgres-pvc

Feature/postgres pvc

playbooks/create-postgres-sc.yml

@@ -0,0 +1,5 @@
+---
+- hosts: master
+  gather_facts: "False"
+  roles:
+    - {role: postgres-gluster-sc}

playbooks/install-phenomenal-playbook.yml

@@ -1,7 +1,7 @@
 ---
 - name: Installs phenomenal services
   hosts: master
-  gather_facts: "yes"
+  gather_facts: "no"
   vars:
     # Services
     jupyter_include: "true"
@@ -15,6 +15,7 @@
     dashboard_hostname: "dashboard"
     # Storage
     pvc_name: "galaxy-pvc"
+    postgres_pvc_name: "postgres-pvc"
     # Domain
     cloudflare_proxied: "false"
     proxied_suffix: ""
@@ -37,7 +38,7 @@
         galaxy_admin_email: "your @ email.com"
         galaxy_api_key: "{{galaxy_generated_key}}"
         galaxy_pvc: "{{pvc_name}}"
-        postgres_pvc: "{{pvc_name}}"
+        postgres_pvc: "{{postgres_pvc_name}}"
         nologging: "{{no_sensitive_logging}}"
       when:
         galaxy_include | bool  == true

playbooks/roles/postgres-gluster-sc/tasks/main.yml

@@ -0,0 +1,45 @@
+---
+- name: retrieve gluster-pod IPs
+  command: >
+    kubectl get pods
+    --namespace=storage-heketi
+    -o jsonpath='{.items[?(@.spec.containers[*].name=="glusterfs")].status.podIP}'
+  register: get_ips
+
+- name: set fact enpoint_list
+  set_fact:
+    enpoint_list: "[\"{{get_ips.stdout | replace(' ','\",\"')}}\"]"
+
+- name: retrieve heketi endpoint
+  command: >
+    kubectl get endpoints
+    --namespace=storage-heketi
+    -o jsonpath='{.items[?(@.metadata.name=="heketi")].subsets[*].addresses[*].ip}:{.items[?(@.metadata.name=="heketi")].subsets[*].ports[*].port}'
+  register: get_heketi_endpoint
+
+- name: set fact get_heketi_endpoint
+  set_fact:
+    heketi_endpoint: "{{ get_heketi_endpoint.stdout }}"
+
+- name: set fact glusternode_count
+  set_fact:
+    glusterpod_count: "{{ (enpoint_list | length) | int }}"
+
+# volumtype (replication factor): <VolumeDurability>:number eg. none:1, replicate:2, replicate:3 , disperse:???
+# in jinja2 - means remove any whitespace before this bracket
+- name: set fact volumetype
+  set_fact:
+    volumetype: "{% if (glusterpod_count | int) == 1 %}none:1
+                 {%- elif (glusterpod_count | int) == 2 %}replicate:2
+                 {%- else %}replicate:3{% endif %}"
+  when: volumetype is undefined
+
+- name: render storage-class-pg-optimized
+  template:
+    src: storage-class-pg-optimized.yml
+    dest: "~/.kubernetes-yaml/heketi/storage-class-pg-optimized.yml"
+
+- name: create storage-class-pg-optimized
+  command: >
+    kubectl apply -f
+    $HOME/.kubernetes-yaml/heketi/storage-class-pg-optimized.yml

playbooks/roles/postgres-gluster-sc/templates/storage-class-pg-optimized.yml

@@ -0,0 +1,23 @@
+---
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: sc-pg-optimized
+  namespace: storage-heketi
+  annotations:
+    storageclass.kubernetes.io/is-default-class: "false"
+provisioner: kubernetes.io/glusterfs
+parameters:
+  resturl: "http://{{ heketi_endpoint }}"
+  volumetype: {{volumetype}}
+  volumeoptions:
+    performance.quick-read off, performance.read-ahead off,
+    performance.io-cache off, performance.stat-prefetch off,
+    performance.low-prio-threads 32, network.remote-dio enable,
+    cluster.eager-lock enable, disperse.eager-lock enable,
+    cluster.quorum-type auto, cluster.server-quorum-type server,
+    cluster.data-self-heal-algorithm full, cluster.locking-scheme granular,
+    cluster.shd-wait-qlength 10000, features.shard on, user.cifs off
+mountOptions:
+  - entry-timeout=0
+  - attribute-timeout=0