From ad17d03de5104e4b4f99c13b9cc696078927672a Mon Sep 17 00:00:00 2001
From: ewolinetz <ewolinet@redhat.com>
Date: Mon, 10 Apr 2017 18:33:37 -0500
Subject: Pick from issue3896

---
 .../tasks/install_elasticsearch.yaml               | 170 +++++++++------------
 roles/openshift_logging/tasks/oc_apply.yaml        |  94 ++++++------
 roles/openshift_logging/tasks/set_es_storage.yaml  |  82 ++++++++++
 roles/openshift_logging/templates/curator.j2       |   5 -
 4 files changed, 197 insertions(+), 154 deletions(-)
 create mode 100644 roles/openshift_logging/tasks/set_es_storage.yaml

(limited to 'roles/openshift_logging')

diff --git a/roles/openshift_logging/tasks/install_elasticsearch.yaml b/roles/openshift_logging/tasks/install_elasticsearch.yaml
index 28fad420b..3e36f9d0c 100644
--- a/roles/openshift_logging/tasks/install_elasticsearch.yaml
+++ b/roles/openshift_logging/tasks/install_elasticsearch.yaml
@@ -5,60 +5,47 @@
 - set_fact: openshift_logging_es_pvc_prefix="logging-es"
   when: "not openshift_logging_es_pvc_prefix or openshift_logging_es_pvc_prefix == ''"
 
-- set_fact: es_pvc_pool={{[]}}
-
-- set_fact: openshift_logging_es_pvc_prefix="{{ openshift_logging_es_pvc_prefix | default('logging-es') }}"
-
-- name: Generate PersistentVolumeClaims
-  include: "{{ role_path}}/tasks/generate_pvcs.yaml"
+### evaluate if the PVC attached to the dc currently matches the provided vars
+## if it does then we reuse that pvc in the DC
+- include: set_es_storage.yaml
   vars:
-    es_pv_selector: "{{openshift_logging_es_pv_selector}}"
-    es_pvc_dynamic: "{{openshift_logging_es_pvc_dynamic | bool}}"
-    es_pvc_names: "{{openshift_logging_facts.elasticsearch.pvcs.keys()}}"
-    es_pvc_prefix: "{{openshift_logging_es_pvc_prefix}}"
-    es_pvc_size: "{{openshift_logging_es_pvc_size}}"
-    es_dc_names: "{{openshift_logging_facts.elasticsearch.deploymentconfigs.keys()}}"
-    es_cluster_size: "{{openshift_logging_es_cluster_size}}"
-    es_access_modes: "{{ openshift_logging_storage_access_modes }}"
-
-# we should initialize the es_dc_pool with the current keys
-- name: Init pool of DeploymentConfig names for Elasticsearch
-  set_fact: es_dc_pool={{ es_dc_pool | default([]) + [deploy_name] }}
-  with_items: "{{ openshift_logging_facts.elasticsearch.deploymentconfigs.keys() }}"
+    es_component: es
+    es_name: "{{ deployment.0 }}"
+    es_spec: "{{ deployment.1 }}"
+    es_node_selector: "{{ openshift_logging_es_nodeselector | default({}) }}"
+    es_pvc_names: "{{ openshift_logging_facts.elasticsearch.pvcs.keys() }}"
+    es_pvc_size: "{{ openshift_logging_es_pvc_size }}"
+    es_pvc_prefix: "{{ openshift_logging_es_pvc_prefix }}"
+    es_pvc_dynamic: "{{ openshift_logging_es_pvc_dynamic | bool }}"
+    es_pv_selector: "{{ openshift_logging_es_pv_selector }}"
+    es_cpu_limit: "{{ openshift_logging_es_cpu_limit }}"
+    es_memory_limit: "{{ openshift_logging_es_memory_limit }}"
+    es_number_of_shards: "{{ openshift_logging_es_number_of_shards }}"
+    es_number_of_replicas: "{{ openshift_logging_es_number_of_replicas }}"
+  with_together:
+  - "{{ openshift_logging_facts.elasticsearch.deploymentconfigs.keys() }}"
+  - "{{ openshift_logging_facts.elasticsearch.deploymentconfigs.values() }}"
   loop_control:
-    loop_var: deploy_name
-
-# This should be used to generate new DC names if necessary
-- name: Create new DeploymentConfig names for Elasticsearch
-  set_fact: es_dc_pool={{es_dc_pool|default([]) + [deploy_name]}}
-  vars:
-    component: es
-    es_cluster_name: "{{component}}"
-    deploy_name_prefix: "logging-{{component}}"
-    deploy_name: "{{deploy_name_prefix}}-{{'abcdefghijklmnopqrstuvwxyz0123456789'|random_word(8)}}"
-  with_sequence: count={{ openshift_logging_es_cluster_size | int - openshift_logging_current_es_size | int }}
-  check_mode: no
+    loop_var: deployment
+## if it does not then we should create one that does and attach it
 
-- name: Generate Elasticsearch DeploymentConfig
-  template: src=es.j2 dest={{mktemp.stdout}}/templates/logging-{{deploy_name}}-dc.yaml
+## create new dc/pvc is needed
+- include: set_es_storage.yaml
   vars:
-    component: es
-    logging_component: elasticsearch
-    deploy_name_prefix: "logging-{{component}}"
-    image: "{{openshift_logging_image_prefix}}logging-elasticsearch:{{openshift_logging_image_version}}"
-    es_cluster_name: "{{component}}"
-    es_cpu_limit: "{{openshift_logging_es_cpu_limit }}"
-    es_memory_limit: "{{openshift_logging_es_memory_limit}}"
-    pvc_claim: "{{(es_pvc_pool | length > item.0) | ternary(es_pvc_pool[item.0], None)}}"
-    deploy_name: "{{item.1}}"
-    es_node_selector: "{{openshift_logging_es_nodeselector | default({}) }}"
-    es_storage: "{{openshift_logging_facts|es_storage(deploy_name, pvc_claim)}}"
+    es_component: es
+    es_name: "logging-es-{{'abcdefghijklmnopqrstuvwxyz0123456789'|random_word(8)}}"
+    es_spec: "{}"
+    es_node_selector: "{{ openshift_logging_es_nodeselector | default({}) }}"
+    es_pvc_names: "{{ openshift_logging_facts.elasticsearch.pvcs.keys() }}"
+    es_pvc_size: "{{ openshift_logging_es_pvc_size }}"
+    es_pvc_prefix: "{{ openshift_logging_es_pvc_prefix }}"
+    es_pvc_dynamic: "{{ openshift_logging_es_pvc_dynamic | bool }}"
+    es_pv_selector: "{{ openshift_logging_es_pv_selector }}"
+    es_cpu_limit: "{{ openshift_logging_es_cpu_limit }}"
+    es_memory_limit: "{{ openshift_logging_es_memory_limit }}"
     es_number_of_shards: "{{ openshift_logging_es_number_of_shards }}"
     es_number_of_replicas: "{{ openshift_logging_es_number_of_replicas }}"
-  with_indexed_items:
-    - "{{ es_dc_pool }}"
-  check_mode: no
-  changed_when: no
+  with_sequence: count={{ openshift_logging_es_cluster_size | int - openshift_logging_facts.elasticsearch.deploymentconfigs | count }}
 
 # --------- Tasks for Operation clusters ---------
 
@@ -80,67 +67,46 @@
 - set_fact: openshift_logging_es_ops_pvc_prefix="logging-es-ops"
   when: "not openshift_logging_es_ops_pvc_prefix or openshift_logging_es_ops_pvc_prefix == ''"
 
-- set_fact: es_pvc_pool={{[]}}
-
-- name: Generate PersistentVolumeClaims for Ops
-  include: "{{ role_path}}/tasks/generate_pvcs.yaml"
+- include: set_es_storage.yaml
   vars:
-    es_pvc_names: "{{openshift_logging_facts.elasticsearch_ops.pvcs.keys()}}"
-    es_dc_names: "{{openshift_logging_facts.elasticsearch_ops.deploymentconfigs.keys()}}"
-    es_pvc_size: "{{openshift_logging_es_ops_pvc_size}}"
-    es_pvc_prefix: "{{openshift_logging_es_ops_pvc_prefix}}"
-    es_cluster_size: "{{openshift_logging_es_ops_cluster_size|int}}"
-    es_pvc_dynamic: "{{openshift_logging_es_ops_pvc_dynamic | bool}}"
-    es_pv_selector: "{{openshift_logging_es_ops_pv_selector}}"
-    es_access_modes: "{{ openshift_logging_storage_access_modes }}"
-  when:
-    - openshift_logging_use_ops | bool
-  check_mode: no
-
-- name: Init pool of DeploymentConfig names for Elasticsearch Ops
-  set_fact: es_ops_dc_pool={{ es_ops_dc_pool | default([]) + [deploy_name] }}
-  with_items: "{{ openshift_logging_facts.elasticsearch_ops.deploymentconfigs.keys() }}"
+    es_component: es-ops
+    es_name: "{{ deployment.0 }}"
+    es_spec: "{{ deployment.1 }}"
+    es_node_selector: "{{ openshift_logging_es_ops_nodeselector | default({}) }}"
+    es_pvc_names: "{{ openshift_logging_facts.elasticsearch_ops.pvcs.keys() }}"
+    es_pvc_size: "{{ openshift_logging_es_ops_pvc_size }}"
+    es_pvc_prefix: "{{ openshift_logging_es_ops_pvc_prefix }}"
+    es_pvc_dynamic: "{{ openshift_logging_es_ops_pvc_dynamic | bool }}"
+    es_pv_selector: "{{ openshift_logging_es_ops_pv_selector }}"
+    es_cpu_limit: "{{ openshift_logging_es_ops_cpu_limit }}"
+    es_memory_limit: "{{ openshift_logging_es_ops_memory_limit }}"
+    es_number_of_shards: "{{ openshift_logging_es_ops_number_of_shards }}"
+    es_number_of_replicas: "{{ openshift_logging_es_ops_number_of_replicas }}"
+  with_together:
+  - "{{ openshift_logging_facts.elasticsearch_ops.deploymentconfigs.keys() }}"
+  - "{{ openshift_logging_facts.elasticsearch_ops.deploymentconfigs.values() }}"
   loop_control:
-    loop_var: deploy_name
+    loop_var: deployment
   when:
     - openshift_logging_use_ops | bool
+## if it does not then we should create one that does and attach it
 
-- name: Create new DeploymentConfig names for Elasticsearch Ops
-  set_fact: es_ops_dc_pool={{es_ops_dc_pool | default([]) + [deploy_name]}}
+## create new dc/pvc is needed
+- include: set_es_storage.yaml
   vars:
-    component: es-ops
-    es_cluster_name: "{{component}}"
-    deploy_name_prefix: "logging-{{component}}"
-    deploy_name: "{{deploy_name_prefix}}-{{'abcdefghijklmnopqrstuvwxyz0123456789'|random_word(8)}}"
-    cluster_size: "{{openshift_logging_es_ops_cluster_size|int}}"
-  with_sequence: count={{ openshift_logging_es_ops_cluster_size | int - openshift_logging_current_es_ops_size | int }}
-  when:
-    - openshift_logging_use_ops | bool
-  check_mode: no
-
-- name: Generate Elasticsearch DeploymentConfig for Ops
-  template: src=es.j2 dest={{mktemp.stdout}}/templates/logging-{{deploy_name}}-dc.yaml
-  vars:
-    component: es-ops
-    logging_component: elasticsearch
-    deploy_name_prefix: "logging-{{component}}"
-    image: "{{openshift_logging_image_prefix}}logging-elasticsearch:{{openshift_logging_image_version}}"
-    pvc_claim: "{{(es_pvc_pool | length > item.0) | ternary(es_pvc_pool[item.0], None)}}"
-    deploy_name: "{{item.1}}"
-    es_cluster_name: "{{component}}"
-    es_cpu_limit: "{{openshift_logging_es_ops_cpu_limit }}"
-    es_memory_limit: "{{openshift_logging_es_ops_memory_limit}}"
-    es_node_quorum: "{{es_ops_node_quorum}}"
-    es_recover_after_nodes: "{{es_ops_recover_after_nodes}}"
-    es_recover_expected_nodes: "{{es_ops_recover_expected_nodes}}"
-    openshift_logging_es_recover_after_time: "{{openshift_logging_es_ops_recover_after_time}}"
-    es_node_selector: "{{openshift_logging_es_ops_nodeselector | default({}) }}"
-    es_storage: "{{openshift_logging_facts|es_storage(deploy_name, pvc_claim,root='elasticsearch_ops')}}"
+    es_component: es-ops
+    es_name: "logging-es-ops-{{'abcdefghijklmnopqrstuvwxyz0123456789'|random_word(8)}}"
+    es_spec: "{}"
+    es_node_selector: "{{ openshift_logging_es_ops_nodeselector | default({}) }}"
+    es_pvc_names: "{{ openshift_logging_facts.elasticsearch_ops.pvcs.keys() }}"
+    es_pvc_size: "{{ openshift_logging_es_ops_pvc_size }}"
+    es_pvc_prefix: "{{ openshift_logging_es_ops_pvc_prefix }}"
+    es_pvc_dynamic: "{{ openshift_logging_es_ops_pvc_dynamic | bool }}"
+    es_pv_selector: "{{ openshift_logging_es_ops_pv_selector }}"
+    es_cpu_limit: "{{ openshift_logging_es_ops_cpu_limit }}"
+    es_memory_limit: "{{ openshift_logging_es_ops_memory_limit }}"
     es_number_of_shards: "{{ openshift_logging_es_ops_number_of_shards }}"
     es_number_of_replicas: "{{ openshift_logging_es_ops_number_of_replicas }}"
-  with_indexed_items:
-    - "{{ es_ops_dc_pool | default([]) }}"
+  with_sequence: count={{ openshift_logging_es_ops_cluster_size | int - openshift_logging_facts.elasticsearch_ops.deploymentconfigs | count }}
   when:
     - openshift_logging_use_ops | bool
-  check_mode: no
-  changed_when: no
diff --git a/roles/openshift_logging/tasks/oc_apply.yaml b/roles/openshift_logging/tasks/oc_apply.yaml
index cb9509de1..c4db7d033 100644
--- a/roles/openshift_logging/tasks/oc_apply.yaml
+++ b/roles/openshift_logging/tasks/oc_apply.yaml
@@ -1,52 +1,52 @@
 ---
-- name: Checking generation of {{file_content.kind}} {{file_content.metadata.name}}
-  command: >
-    {{ openshift.common.client_binary }}
-    --config={{ kubeconfig }}
-    get {{file_content.kind}} {{file_content.metadata.name}}
-    -o jsonpath='{.metadata.resourceVersion}'
-    -n {{namespace}}
-  register: generation_init
-  failed_when: "'not found' not in generation_init.stderr and generation_init.stdout == ''"
-  changed_when: no
+- oc_obj:
+    kind: "{{ file_content.kind }}"
+    name: "{{ file_content.metadata.name }}"
+    state: present
+    namespace: "{{ namespace }}"
+    files:
+    - "{{ file_name }}"
+  when: file_content.kind != "Service"
 
-- name: Applying {{file_name}}
-  command: >
-    {{ openshift.common.client_binary }} --config={{ kubeconfig }}
-    apply -f {{ file_name }}
-    -n {{ namespace }}
-  register: generation_apply
-  failed_when: "'error' in generation_apply.stderr"
-  changed_when: no
+## still need to do this for services until the template logic is replaced by oc_*
+- block:
+  - name: Checking generation of {{file_content.kind}} {{file_content.metadata.name}}
+    command: >
+      {{ openshift.common.client_binary }}
+      --config={{ kubeconfig }}
+      get {{file_content.kind}} {{file_content.metadata.name}}
+      -o jsonpath='{.metadata.resourceVersion}'
+      -n {{namespace}}
+    register: generation_init
+    failed_when: "'not found' not in generation_init.stderr and generation_init.stdout == ''"
+    changed_when: no
 
-- name: Determine change status of {{file_content.kind}} {{file_content.metadata.name}}
-  command: >
-    {{ openshift.common.client_binary }} --config={{ kubeconfig }}
-    get {{file_content.kind}} {{file_content.metadata.name}}
-    -o jsonpath='{.metadata.resourceVersion}'
-    -n {{namespace}}
-  register: generation_changed
-  failed_when: "'not found' not in generation_changed.stderr and generation_changed.stdout == ''"
-  changed_when: generation_changed.stdout | default (0) | int  > generation_init.stdout | default(0) | int
-  when:
-    - "'field is immutable' not in generation_apply.stderr"
+  - name: Applying {{file_name}}
+    command: >
+      {{ openshift.common.client_binary }} --config={{ kubeconfig }}
+      apply -f {{ file_name }}
+      -n {{ namespace }}
+    register: generation_apply
+    failed_when: "'error' in generation_apply.stderr"
+    changed_when: no
 
-- name: Removing previous {{file_name}}
-  command: >
-    {{ openshift.common.client_binary }} --config={{ kubeconfig }}
-    delete -f {{ file_name }}
-    -n {{ namespace }}
-  register: generation_delete
-  failed_when: "'error' in generation_delete.stderr"
-  changed_when: generation_delete.rc == 0
-  when: "'field is immutable' in generation_apply.stderr"
+  - name: Removing previous {{file_name}}
+    command: >
+      {{ openshift.common.client_binary }} --config={{ kubeconfig }}
+      delete -f {{ file_name }}
+      -n {{ namespace }}
+    register: generation_delete
+    failed_when: "'error' in generation_delete.stderr"
+    changed_when: generation_delete.rc == 0
+    when: "'field is immutable' in generation_apply.stderr"
 
-- name: Recreating {{file_name}}
-  command: >
-    {{ openshift.common.client_binary }} --config={{ kubeconfig }}
-    apply -f {{ file_name }}
-    -n {{ namespace }}
-  register: generation_apply
-  failed_when: "'error' in generation_apply.stderr"
-  changed_when: generation_apply.rc == 0
-  when: "'field is immutable' in generation_apply.stderr"
+  - name: Recreating {{file_name}}
+    command: >
+      {{ openshift.common.client_binary }} --config={{ kubeconfig }}
+      apply -f {{ file_name }}
+      -n {{ namespace }}
+    register: generation_apply
+    failed_when: "'error' in generation_apply.stderr"
+    changed_when: generation_apply.rc == 0
+    when: "'field is immutable' in generation_apply.stderr"
+  when: file_content.kind == "Service"
diff --git a/roles/openshift_logging/tasks/set_es_storage.yaml b/roles/openshift_logging/tasks/set_es_storage.yaml
new file mode 100644
index 000000000..198b1d04d
--- /dev/null
+++ b/roles/openshift_logging/tasks/set_es_storage.yaml
@@ -0,0 +1,82 @@
+---
+- set_fact: es_storage_type="{{ es_spec.volumes['elasticsearch-storage'] }}"
+  when: es_spec.volumes is defined
+
+- set_fact: es_storage_claim="{{ es_spec.volumes['elasticsearch-storage'].persistentVolumeClaim.claimName }}"
+  when:
+  - es_spec.volumes is defined
+  - es_storage_type.persistentVolumeClaim is defined
+
+- set_fact: es_storage_claim=""
+  when:
+  - not es_spec.volumes is defined or not es_storage_type.persistentVolumeClaim is defined
+
+## take an ES dc and evaluate its storage option
+# if it is a hostmount or emptydir we don't do anything with it
+# if its a pvc we see if the corresponding pvc matches the provided specs (if they exist)
+- oc_obj:
+    state: list
+    kind: pvc
+    name: "{{ es_storage_claim }}"
+    namespace: "{{ openshift_logging_namespace }}"
+  register: pvc_spec
+  failed_when: pvc_spec.results.stderr is defined
+  when:
+  - es_spec.volumes is defined
+  - es_storage_type.persistentVolumeClaim is defined
+
+- set_fact: pvc_size="{{ pvc_spec.results.results[0].spec.resources.requests.storage }}"
+  when:
+  - pvc_spec.results is defined
+  - pvc_spec.results.results[0].spec is defined
+
+# if not create the pvc and use it
+- block:
+
+  - name: Generating PersistentVolumeClaims
+    template: src=pvc.j2 dest={{mktemp.stdout}}/templates/logging-{{obj_name}}-pvc.yaml
+    vars:
+      obj_name: "{{ es_pvc_prefix }}-{{ es_pvc_names | count }}"
+      size: "{{ es_pvc_size }}"
+      access_modes: "{{ openshift_logging_storage_access_modes }}"
+      pv_selector: "{{ es_pv_selector }}"
+    when: not es_pvc_dynamic | bool
+    check_mode: no
+    changed_when: no
+
+  - name: Generating PersistentVolumeClaims - Dynamic
+    template: src=pvc.j2 dest={{mktemp.stdout}}/templates/logging-{{obj_name}}-pvc.yaml
+    vars:
+      obj_name: "{{ es_pvc_prefix }}-{{ es_pvc_names | count }}"
+      annotations:
+        volume.alpha.kubernetes.io/storage-class: "dynamic"
+      size: "{{ es_pvc_size }}"
+      access_modes: "{{ openshift_logging_storage_access_modes }}"
+      pv_selector: "{{ es_pv_selector }}"
+    when: es_pvc_dynamic | bool
+    check_mode: no
+    changed_when: no
+
+  - set_fact: es_storage_claim="{{ es_pvc_prefix }}-{{ es_pvc_names | count }}"
+
+  when:
+  - es_pvc_size | search('^\d.*')
+  - not es_spec.volumes is defined or not es_storage_claim | search( es_pvc_prefix ) or ( not pvc_size | search( es_pvc_size ) and not es_pvc_size | search( pvc_size ) )
+
+- name: Generate Elasticsearch DeploymentConfig
+  template: src=es.j2 dest={{mktemp.stdout}}/templates/logging-{{deploy_name}}-dc.yaml
+  vars:
+    component: "{{ es_component }}"
+    deploy_name: "{{ es_name }}"
+    logging_component: elasticsearch
+    deploy_name_prefix: "logging-{{ es_component }}"
+    image: "{{openshift_logging_image_prefix}}logging-elasticsearch:{{openshift_logging_image_version}}"
+    es_cluster_name: "{{component}}"
+    es_cpu_limit: "{{ es_cpu_limit }}"
+    es_memory_limit: "{{ es_memory_limit }}"
+    es_node_selector: "{{ es_node_selector }}"
+    es_storage: "{{ openshift_logging_facts | es_storage( es_name, es_storage_claim ) }}"
+    es_number_of_shards: "{{ es_number_of_shards }}"
+    es_number_of_replicas: "{{ es_number_of_replicas }}"
+  check_mode: no
+  changed_when: no
diff --git a/roles/openshift_logging/templates/curator.j2 b/roles/openshift_logging/templates/curator.j2
index a0fefd882..c6284166b 100644
--- a/roles/openshift_logging/templates/curator.j2
+++ b/roles/openshift_logging/templates/curator.j2
@@ -89,9 +89,6 @@ spec:
             - name: config
               mountPath: /etc/curator/settings
               readOnly: true
-            - name: elasticsearch-storage
-              mountPath: /elasticsearch/persistent
-              readOnly: true
       volumes:
         - name: certs
           secret:
@@ -99,5 +96,3 @@ spec:
         - name: config
           configMap:
             name: logging-curator
-        - name: elasticsearch-storage
-          emptyDir: {}
-- 
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