Merge pull request #2881 from jcantrill/mv_metrics_to_hosted_metrics

rename openshift_metrics to openshift_hosted_metrics

7 files changed, 337 insertions, 0 deletions

diff --git a/roles/openshift_hosted_metrics/README.md b/roles/openshift_hosted_metrics/README.md
new file mode 100644
index 000000000..c2af3c494
--- /dev/null
+++ b/roles/openshift_hosted_metrics/README.md
@@ -0,0 +1,54 @@
+OpenShift Metrics with Hawkular
+====================
+
+OpenShift Metrics Installation
+
+Requirements
+------------
+
+* Ansible 2.2
+* It requires subdomain fqdn to be set.
+* If persistence is enabled, then it also requires NFS.
+
+Role Variables
+--------------
+
+From this role:
+
+| Name                                            | Default value         |                                                             |
+|-------------------------------------------------|-----------------------|-------------------------------------------------------------|
+| openshift_hosted_metrics_deploy                 | `False`               | If metrics should be deployed                               |
+| openshift_hosted_metrics_public_url             | null                  | Hawkular metrics public url                                 |
+| openshift_hosted_metrics_storage_nfs_directory  | `/exports`            | Root export directory.                                      |
+| openshift_hosted_metrics_storage_volume_name    | `metrics`             | Metrics volume within openshift_hosted_metrics_volume_dir   |
+| openshift_hosted_metrics_storage_volume_size    | `10Gi`                | Metrics volume size                                         |
+| openshift_hosted_metrics_storage_nfs_options    | `*(rw,root_squash)`   | NFS options for configured exports.                         |
+| openshift_hosted_metrics_duration               | `7`                   | Metrics query duration                                      |
+| openshift_hosted_metrics_resolution             | `10s`                 | Metrics resolution                                          |
+
+
+Dependencies
+------------
+openshift_facts
+openshift_examples
+openshift_master_facts
+
+Example Playbook
+----------------
+
+```
+- name: Configure openshift-metrics
+  hosts: oo_first_master
+  roles:
+  - role: openshift_hosted_metrics
+```
+
+License
+-------
+
+Apache License, Version 2.0
+
+Author Information
+------------------
+
+Jose David Martín (j.david.nieto@gmail.com)
diff --git a/roles/openshift_hosted_metrics/defaults/main.yml b/roles/openshift_hosted_metrics/defaults/main.yml
new file mode 100644
index 000000000..a01f24df8
--- /dev/null
+++ b/roles/openshift_hosted_metrics/defaults/main.yml
@@ -0,0 +1,2 @@
+---
+hosted_base: "{{ openshift.common.config_base if openshift.common.is_containerized | bool else '/usr/share/openshift' }}/hosted"
diff --git a/roles/openshift_hosted_metrics/handlers/main.yml b/roles/openshift_hosted_metrics/handlers/main.yml
new file mode 100644
index 000000000..69c5a1663
--- /dev/null
+++ b/roles/openshift_hosted_metrics/handlers/main.yml
@@ -0,0 +1,35 @@
+---
+- name: restart master
+  systemd: name={{ openshift.common.service_type }}-master state=restarted
+  when: (openshift.master.ha is not defined or not openshift.master.ha | bool) and (not (master_service_status_changed | default(false) | bool))
+  notify: Verify API Server
+
+- name: restart master api
+  systemd: name={{ openshift.common.service_type }}-master-api state=restarted
+  when: (openshift.master.ha is defined and openshift.master.ha | bool) and (not (master_api_service_status_changed | default(false) | bool)) and openshift.master.cluster_method == 'native'
+  notify: Verify API Server
+
+- name: restart master controllers
+  systemd: name={{ openshift.common.service_type }}-master-controllers state=restarted
+  when: (openshift.master.ha is defined and openshift.master.ha | bool) and (not (master_controllers_service_status_changed | default(false) | bool)) and openshift.master.cluster_method == 'native'
+
+- name: Verify API Server
+  # Using curl here since the uri module requires python-httplib2 and
+  # wait_for port doesn't provide health information.
+  command: >
+    curl --silent --tlsv1.2
+    {% if openshift.common.version_gte_3_2_or_1_2 | bool %}
+    --cacert {{ openshift.common.config_base }}/master/ca-bundle.crt
+    {% else %}
+    --cacert {{ openshift.common.config_base }}/master/ca.crt
+    {% endif %}
+    {{ openshift.master.api_url }}/healthz/ready
+  args:
+    # Disables the following warning:
+    # Consider using get_url or uri module rather than running curl
+    warn: no
+  register: api_available_output
+  until: api_available_output.stdout == 'ok'
+  retries: 120
+  delay: 1
+  changed_when: false
diff --git a/roles/openshift_hosted_metrics/meta/main.yaml b/roles/openshift_hosted_metrics/meta/main.yaml
new file mode 100644
index 000000000..debca3ca6
--- /dev/null
+++ b/roles/openshift_hosted_metrics/meta/main.yaml
@@ -0,0 +1,18 @@
+---
+galaxy_info:
+  author: David Martín
+  description:
+  company:
+  license: Apache License, Version 2.0
+  min_ansible_version: 2.2
+  platforms:
+  - name: EL
+    versions:
+    - 7
+  categories:
+  - cloud
+  - system
+dependencies:
+- { role: openshift_examples }
+- { role: openshift_facts }
+- { role: openshift_master_facts }
diff --git a/roles/openshift_hosted_metrics/tasks/install.yml b/roles/openshift_hosted_metrics/tasks/install.yml
new file mode 100644
index 000000000..2c839996e
--- /dev/null
+++ b/roles/openshift_hosted_metrics/tasks/install.yml
@@ -0,0 +1,132 @@
+---
+
+- name: Test if metrics-deployer service account exists
+  command: >
+    {{ openshift.common.client_binary }}
+    --config={{ openshift_hosted_metrics_kubeconfig }}
+    --namespace=openshift-infra
+    get serviceaccount metrics-deployer -o json
+  register: serviceaccount
+  changed_when: false
+  failed_when: false
+
+- name: Create metrics-deployer Service Account
+  shell: >
+    echo {{ metrics_deployer_sa | to_json | quote }} |
+    {{ openshift.common.client_binary }}
+    --config={{ openshift_hosted_metrics_kubeconfig }}
+    --namespace openshift-infra
+    create -f -
+  when: serviceaccount.rc == 1
+
+- name: Test edit permissions
+  command: >
+    {{ openshift.common.client_binary }}
+    --config={{ openshift_hosted_metrics_kubeconfig }}
+    --namespace openshift-infra
+    get rolebindings -o jsonpath='{.items[?(@.metadata.name == "edit")].userNames}'
+  register: edit_rolebindings
+  changed_when: false
+
+- name: Add edit permission to the openshift-infra project to metrics-deployer SA
+  command: >
+    {{ openshift.common.client_binary }} adm
+    --config={{ openshift_hosted_metrics_kubeconfig }}
+    --namespace openshift-infra
+    policy add-role-to-user edit
+    system:serviceaccount:openshift-infra:metrics-deployer
+  when: "'system:serviceaccount:openshift-infra:metrics-deployer' not in edit_rolebindings.stdout"
+
+- name: Test hawkular view permissions
+  command: >
+    {{ openshift.common.client_binary }}
+    --config={{ openshift_hosted_metrics_kubeconfig }}
+    --namespace openshift-infra
+    get rolebindings -o jsonpath='{.items[?(@.metadata.name == "view")].userNames}'
+  register: view_rolebindings
+  changed_when: false
+
+- name: Add view permissions to hawkular SA
+  command: >
+      {{ openshift.common.client_binary }} adm
+      --config={{ openshift_hosted_metrics_kubeconfig }}
+      --namespace openshift-infra
+      policy add-role-to-user view
+      system:serviceaccount:openshift-infra:hawkular
+  when: "'system:serviceaccount:openshift-infra:hawkular' not in view_rolebindings"
+
+- name: Test cluster-reader permissions
+  command: >
+    {{ openshift.common.client_binary }}
+    --config={{ openshift_hosted_metrics_kubeconfig }}
+    --namespace openshift-infra
+    get clusterrolebindings -o jsonpath='{.items[?(@.metadata.name == "cluster-reader")].userNames}'
+  register: cluster_reader_clusterrolebindings
+  changed_when: false
+
+- name: Add cluster-reader permission to the openshift-infra project to heapster SA
+  command: >
+    {{ openshift.common.client_binary }} adm
+    --config={{ openshift_hosted_metrics_kubeconfig }}
+    --namespace openshift-infra
+    policy add-cluster-role-to-user cluster-reader
+    system:serviceaccount:openshift-infra:heapster
+  when: "'system:serviceaccount:openshift-infra:heapster' not in cluster_reader_clusterrolebindings.stdout"
+
+- name: Create metrics-deployer secret
+  command: >
+    {{ openshift.common.client_binary }}
+    --config={{ openshift_hosted_metrics_kubeconfig }}
+    --namespace openshift-infra
+    secrets new metrics-deployer nothing=/dev/null
+  register: metrics_deployer_secret
+  changed_when: metrics_deployer_secret.rc == 0
+  failed_when: "metrics_deployer_secret.rc == 1 and 'already exists' not in metrics_deployer_secret.stderr"
+
+# TODO: extend this to allow user passed in certs or generating cert with
+# OpenShift CA
+- name: Build metrics deployer command
+  set_fact:
+    deployer_cmd: "{{ openshift.common.client_binary }} process -f \
+      {{ hosted_base }}/metrics-deployer.yaml -v \
+      HAWKULAR_METRICS_HOSTNAME={{ g_metrics_hostname }} \
+      -v USE_PERSISTENT_STORAGE={{metrics_persistence | string | lower }} \
+      -v DYNAMICALLY_PROVISION_STORAGE={{metrics_dynamic_vol | string | lower }} \
+      -v METRIC_DURATION={{ openshift.hosted.metrics.duration }} \
+      -v METRIC_RESOLUTION={{ openshift.hosted.metrics.resolution }}
+      {{ image_prefix }} \
+      {{ image_version }} \
+      -v MODE={{ deployment_mode }} \
+        | {{ openshift.common.client_binary }} --namespace openshift-infra \
+        --config={{ openshift_hosted_metrics_kubeconfig }} \
+        create -o name -f -"
+
+- name: Deploy Metrics
+  shell: "{{ deployer_cmd }}"
+  register: deploy_metrics
+  failed_when: "'already exists' not in deploy_metrics.stderr and deploy_metrics.rc != 0"
+  changed_when: deploy_metrics.rc == 0
+
+- set_fact:
+    deployer_pod: "{{ deploy_metrics.stdout[1:2] }}"
+
+# TODO: re-enable this once the metrics deployer validation issue is fixed
+# when using dynamically provisioned volumes
+- name: "Wait for image pull and deployer pod"
+  shell: >
+    {{ openshift.common.client_binary }}
+    --namespace openshift-infra
+    --config={{ openshift_hosted_metrics_kubeconfig }}
+    get {{ deploy_metrics.stdout }}
+  register: deploy_result
+  until: "{{ 'Completed' in deploy_result.stdout }}"
+  failed_when: False
+  retries: 60
+  delay: 10
+
+- name: Configure master for metrics
+  modify_yaml:
+    dest: "{{ openshift.common.config_base }}/master/master-config.yaml"
+    yaml_key: assetConfig.metricsPublicURL
+    yaml_value: "{{ openshift_hosted_metrics_public_url }}"
+  notify: restart master
diff --git a/roles/openshift_hosted_metrics/tasks/main.yaml b/roles/openshift_hosted_metrics/tasks/main.yaml
new file mode 100644
index 000000000..5ce8aa92b
--- /dev/null
+++ b/roles/openshift_hosted_metrics/tasks/main.yaml
@@ -0,0 +1,75 @@
+---
+- name: Create temp directory for kubeconfig
+  command: mktemp -d /tmp/openshift-ansible-XXXXXX
+  register: mktemp
+  changed_when: False
+
+- name: Record kubeconfig tmp dir
+  set_fact:
+    openshift_hosted_metrics_kubeconfig: "{{ mktemp.stdout }}/admin.kubeconfig"
+
+- name: Copy the admin client config(s)
+  command: >
+    cp {{ openshift_master_config_dir }}/admin.kubeconfig {{ openshift_hosted_metrics_kubeconfig }}
+  changed_when: False
+
+- name: Set hosted metrics facts
+  openshift_facts:
+    role: hosted
+    openshift_env: "{{ hostvars
+                       | oo_merge_hostvars(vars, inventory_hostname)
+                       | oo_openshift_env }}"
+    openshift_env_structures:
+    - 'openshift.hosted.metrics.*'
+
+- set_fact:
+    metrics_persistence: "{{ openshift.hosted.metrics.storage_kind | default(none) is not none }}"
+    metrics_dynamic_vol: "{{ openshift.hosted.metrics.storage_kind | default(none) == 'dynamic' }}"
+    metrics_template_dir: "{{ openshift.common.config_base if openshift.common.is_containerized | bool else '/usr/share/openshift' }}/examples/infrastructure-templates/{{ 'origin' if deployment_type == 'origin' else 'enterprise' }}"
+    image_prefix: "{{ '-v IMAGE_PREFIX=' ~ openshift.hosted.metrics.deployer.prefix if 'prefix' in openshift.hosted.metrics.deployer else '' }}"
+    image_version: "{{ '-v IMAGE_VERSION=' ~ openshift.hosted.metrics.deployer.version if 'version' in openshift.hosted.metrics.deployer else '' }}"
+
+
+- name: Check for existing metrics pods
+  shell: >
+    {{ openshift.common.client_binary }}
+    --config={{ openshift_hosted_metrics_kubeconfig }}
+    --namespace openshift-infra
+    get pods -l {{ item }} | grep -q Running
+  register: metrics_pods_status
+  with_items:
+  - metrics-infra=hawkular-metrics
+  - metrics-infra=heapster
+  - metrics-infra=hawkular-cassandra
+  failed_when: false
+  changed_when: false
+
+- name: Check for previous deployer
+  shell: >
+    {{ openshift.common.client_binary }}
+    --config={{ openshift_hosted_metrics_kubeconfig }}
+    --namespace openshift-infra
+    get pods -l metrics-infra=deployer --sort-by='{.metadata.creationTimestamp}' | tail -1 | grep metrics-deployer-
+  register: metrics_deployer_status
+  failed_when: false
+  changed_when: false
+
+- name: Record current deployment status
+  set_fact:
+    greenfield: "{{ not metrics_deployer_status.rc == 0 }}"
+    failed_error: "{{ True if 'Error' in metrics_deployer_status.stdout else False }}"
+    metrics_running: "{{ metrics_pods_status.results | oo_collect(attribute='rc') == [0,0,0] }}"
+
+- name: Set deployment mode
+  set_fact:
+    deployment_mode: "{{ 'refresh' if (failed_error | bool or metrics_upgrade | bool) else 'deploy' }}"
+
+# TODO: handle non greenfield deployments in the future
+- include: install.yml
+  when: greenfield
+
+- name: Delete temp directory
+  file:
+    name: "{{ mktemp.stdout }}"
+    state: absent
+  changed_when: False
diff --git a/roles/openshift_hosted_metrics/vars/main.yaml b/roles/openshift_hosted_metrics/vars/main.yaml
new file mode 100644
index 000000000..6c207d6ac
--- /dev/null
+++ b/roles/openshift_hosted_metrics/vars/main.yaml
@@ -0,0 +1,21 @@
+---
+hawkular_permission_oc_commands:
+  - policy add-role-to-user edit system:serviceaccount:openshift-infra:metrics-deployer -n openshift-infra
+  - policy add-cluster-role-to-user cluster-admin system:serviceaccount:openshift-infra:heapster
+
+metrics_deployer_sa:
+  apiVersion: v1
+  kind: ServiceAccount
+  metadata:
+    name: metrics-deployer
+  secrets:
+    - name: metrics-deployer
+
+
+hawkular_tmp_conf: /tmp/hawkular_admin.kubeconfig
+
+hawkular_persistence: "{% if openshift.hosted.metrics.storage.kind != None %}true{% else %}false{% endif %}"
+
+hawkular_type: "{{ 'origin' if deployment_type == 'origin' else 'enterprise' }}"
+
+metrics_upgrade: openshift.hosted.metrics.upgrade | default(False)