kolla-kubernetes/services/glance/glance-api-pod.yml.j2

{%- set resourceName = kolla_kubernetes.cli.args.service_name %}
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
   name: glance-api
spec:
  replicas: {{ glance_api_replicas }}
  strategy:
{% if glance_backend_ceph == "yes" %}
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 1
    type: RollingUpdate
{% else %}
    rollingUpdate:
      maxSurge: 0
      maxUnavailable: 100%
    type: RollingUpdate
{% endif %}
  template:
    metadata:
      labels:
        service: glance
        type: api
      annotations:
{% if glance_backend_ceph == "yes" %}
        kolla_upgrade: minor_rolling_safe
{% endif %}
#FIXME Once out of alpha, this should be converted to yaml.
#FIXME once all services are converted, bind_host can be dropped here and changed to default to 127.0.0.1 instead of 0.0.0.0.
# The init container overrides the listen address and port to ensure it does not conflict with haproxy and prevent
# other containers from directly accessing the service
        pod.alpha.kubernetes.io/init-containers: '[
          {
              "name": "update-config",
              "image": "{{ kolla_toolbox_image_full }}",
              "command": [
                  "/bin/sh",
                  "-c",
                  "cp -a /srv/configmap/..data/* /srv/pod-main-config/;
                   crudini --set /srv/pod-main-config/glance-api.conf DEFAULT bind_host 127.0.0.1;
                   crudini --set /srv/pod-main-config/glance-api.conf DEFAULT bind_port 8080;"
              ],
              "volumeMounts": [
                  {
                      "name": "glance-api-configmap",
                      "mountPath": "/srv/configmap"
                  },
                  {
                      "name": "pod-main-config",
                      "mountPath": "/srv/pod-main-config"
                  }
              ]
          }
      ]'
    spec:
#You've got 2 days to drain or figure out why it won't.
      terminationGracePeriodSeconds: {{ 2 * 24 * 60 * 60 }}
      containers:
        - name: haproxy
          image: "{{ haproxy_image_full }}"
          command:
          - /bin/bash
          - -c
          - |
            kolla_start;
            touch /var/lib/kolla-kubernetes/event/shutdown;
          readinessProbe:
            httpGet:
              path: /healthcheck
              port: {{ glance_api_port }}
            initialDelaySeconds: 5
            timeoutSeconds: 5
          lifecycle:
            preStop:
              exec:
#FIXME move script into haproxy container
#NOTE this only works if you arn't doing a haproxy reconfigure too.
#But shouldn't ever have to do that in a setup like this.
                command:
                - /bin/bash
                - -c
                - |
                  kill -USR1 $(</var/run/haproxy.pid);
                  while true; do sleep 1000; done
          volumeMounts:
            - mountPath: /var/lib/kolla-kubernetes/event
              name: kolla-kubernetes-events
            - mountPath: {{ container_config_directory }}
              name: glance-haproxy-config
            - mountPath: /var/log/kolla/
              name: kolla-logs
            - mountPath: /etc/localtime
              name: etc-localtime
          env:
            - name: KOLLA_CONFIG_STRATEGY
              value: {{ config_strategy }}
          ports:
            - containerPort: {{ glance_api_port }}
              name: glance-api
        - name: glance-api
          image: "{{ glance_api_image_full }}"
          lifecycle:
            preStop:
              exec:
                command:
                - /bin/bash
                - -c
                - while true; do sleep 1; [ -f /var/lib/kolla-kubernetes/event/shutdown ] && break; done
          volumeMounts:
            - mountPath: /var/lib/kolla-kubernetes/event
              name: kolla-kubernetes-events
            - mountPath: {{ container_config_directory }}
              name: pod-main-config
{% if glance_backend_ceph != "yes" %}
            - mountPath: /var/lib/glance/
              name: glance-persistent-storage
{% endif %}
            - mountPath: /var/log/kolla/
              name: kolla-logs
            - mountPath: /etc/localtime
              name: etc-localtime
          env:
            - name: KOLLA_CONFIG_STRATEGY
              value: {{ config_strategy }}
      volumes:
        - name: kolla-kubernetes-events
          emptyDir: {}
        - name: pod-main-config
          emptyDir: {}
        - name: glance-api-configmap
          configMap:
            name: glance-api-configmap
        - name: glance-haproxy-config
          configMap:
            name: glance-api-haproxy
{% if glance_backend_ceph != "yes" %}
        - name: glance-persistent-storage
          persistentVolumeClaim:
            claimName: {{ resourceName }}
{% endif %}
        - name: etc-localtime
          hostPath:
            path: /etc/localtime
        - name: kolla-logs
          emptyDir: {}