[feature] Dockerfile and configuration-as-code to build & run in Open…

…Shift

ansible/roles/epfl.phd-assess/tasks/monitoring.yml

@@ -168,3 +168,68 @@
     cmd: |
       oc delete pod prometheus-0
   tags: monitoring.restart
+
+
+- name: "Pull upstream {{ monitoring_node_base_image_mirrored_from }} image into {{ monitoring_node_base_image_mirrored_to }}"
+  when: openshift_namespace == phd_assess_build_namespace
+  delegate_to: localhost
+  openshift_imagestream:
+    metadata:
+      name: node
+      namespace: "{{ openshift_namespace }}"
+    from: "{{ monitoring_node_base_image_mirrored_from }}"
+    tag: "{{ monitoring_node_base_image_tag }}"
+
+- name: "Build the disk-usage-exporter image"
+  when: openshift_namespace == phd_assess_build_namespace
+  delegate_to: localhost
+  openshift_imagestream:
+    metadata:
+      name: disk-usage-exporter
+      namespace: "{{ openshift_namespace }}"
+    from: "{{ monitoring_node_base_image_mirrored_to }}:{{ monitoring_node_base_image_tag }}"
+    git:
+      repository: "https://github.com/epfl-si/PhDAssess"
+      path: docker/monitoring
+    spec:
+      resources:
+        limits:
+          cpu: '1'
+          memory: 100M
+
+- name: "disk-usage-exporter DeploymentConfig"
+  openshift:
+    state: latest
+    apiVersion: apps.openshift.io/v1
+    kind: DeploymentConfig
+    metadata:
+      name: disk-usage-exporter
+      namespace: "{{ openshift_namespace }}"
+    spec:
+      selector:
+        deployment-config.name: disk-usage-exporter
+      template:
+        metadata:
+          labels:
+            deployment-config.name: disk-usage-exporter
+        spec:
+          containers:
+            - name: disk-image-exporter
+              image: "{{ monitoring_node_disk_usage_exporter_image }}"
+              volumeMounts:
+                - name: zeebe-data
+                  mountPath: /usr/local/zeebe/data
+              env:
+                - name: DISK_USAGE_TARGET
+                  value: /usr/local/zeebe/data
+              resources:
+                limits:
+                  cpu: '1'
+                  memory: 50M
+              ports:
+                - name: metrics
+                  containerPort: 3000
+          volumes:
+            - name: zeebe-data
+              persistentVolumeClaim:
+                claimName: "{{ volume_zeebe_name }}"

ansible/roles/epfl.phd-assess/vars/main.yml

@@ -41,3 +41,8 @@ monitoring_prometheus_htpass: |-
   {% for cred in lookup("file", "/keybase/team/epfl_phdassess/prometheus-credentials.yml") | from_yaml %}
   {{ cred.user }}:{{ cred.password | password_hash('bcrypt', cred.salt) }}
   {% endfor %}
+
+monitoring_node_base_image_mirrored_from: "docker.io/library/node:{{ monitoring_node_base_image_tag }}"
+monitoring_node_base_image_tag: alpine
+monitoring_node_base_image_mirrored_to: "{{openshift_local_image_registry}}/{{openshift_namespace}}/node"
+monitoring_node_disk_usage_exporter_image: "{{openshift_local_image_registry}}/{{openshift_namespace}}/disk-usage-exporter"

docker/monitoring/Dockerfile

@@ -0,0 +1,9 @@
+FROM node:alpine
+
+WORKDIR /app
+COPY package.json yarn.lock .
+RUN yarn
+
+ADD server.ts .
+CMD ["node", "-r", "ts-node/register", "server.ts"]
+