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Diffstat (limited to 'roles/openshift_daemonset_config/templates/daemonset.yml.j2')
| -rw-r--r-- | roles/openshift_daemonset_config/templates/daemonset.yml.j2 | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/roles/openshift_daemonset_config/templates/daemonset.yml.j2 b/roles/openshift_daemonset_config/templates/daemonset.yml.j2 new file mode 100644 index 000000000..9792f6d16 --- /dev/null +++ b/roles/openshift_daemonset_config/templates/daemonset.yml.j2 @@ -0,0 +1,142 @@ +--- +kind: DaemonSet +apiVersion: extensions/v1beta1 +metadata: + name: {{ openshift_daemonset_config_daemonset_name }} + annotations: + kubernetes.io/description: | + This daemon set manages the operational configuration for a cluster and ensures all nodes have + a concrete set of config in place. It could also use a local ansible run against the /host directory. +spec: + selector: + matchLabels: + app: {{ openshift_daemonset_config_daemonset_name }} + confighosts: ops + ops.openshift.io/role: operations + updateStrategy: + type: RollingUpdate + template: + metadata: + labels: + app: {{ openshift_daemonset_config_daemonset_name }} + confighosts: ops + ops.openshift.io/role: operations + annotations: + scheduler.alpha.kubernetes.io/critical-pod: '' + spec: +{% if openshift_daemonset_config_node_selector is defined and openshift_daemonset_config_node_selector != {} %} + nodeSelector: {{ openshift_daemonset_config_node_selector | to_json }} +{% endif %} + serviceAccountName: {{ openshift_daemonset_config_sa_name }} + hostNetwork: true + hostPID: true + hostIPC: true + containers: + - name: config + image: centos:7 + env: + - name: RESYNC_INTERVAL + value: "{{ openshift_daemonset_config_interval }}" + command: + - /bin/bash + - -c + - | + #!/bin/sh + set -o errexit + + while true; do + + # execute user defined script + sh /opt/config/{{ openshift_daemonset_config_script }} + + # sleep for ${RESYNC_INTERVAL} minutes, then loop. if we fail Kubelet will restart us again + echo "Success, sleeping for ${RESYNC_INTERVAL}s" + exec sleep ${RESYNC_INTERVAL} + + # Return to perform the config + done + securityContext: + # Must be root to modify host system + runAsUser: {{ openshift_daemonset_config_runasuser }} + # Permission could be reduced by selecting an appropriate SELinux policy that allows + # us to update the named directories + privileged: {{ openshift_daemonset_config_privileged }} + volumeMounts: + # Directory which contains the host volume. + - mountPath: /host + name: host + # Our node configuration + - mountPath: /opt/config + name: config +{% if openshift_daemonset_config_secrets != {} %} + # Our delivered secrets + - mountPath: /opt/secrets + name: secrets +{% endif %} + resources: + requests: + cpu: {{ openshift_daemonset_config_resources.cpu }} + memory: {{ openshift_daemonset_config_resources.memory }} +{% if openshift_daemonset_config_monitoring %} + - name: monitoring + image: openshifttools/oso-centos7-host-monitoring:latest + securityContext: + # Must be root to read content + runAsUser: 0 + privileged: true + + volumeMounts: + - mountPath: /host + name: host + readOnly: true + - mountPath: /etc/localtime + subPath: etc/localtime + name: host + readOnly: true + - mountPath: /sys + subPath: sys + name: host + readOnly: true + - mountPath: /var/run/docker.sock + subPath: var/run/docker.sock + name: host + readOnly: true + - mountPath: /var/run/openvswitch + subPath: var/run/openvswitch + name: host + readOnly: true + - mountPath: /etc/origin + subPath: etc/origin + name: host + readOnly: true + - mountPath: /usr/bin/oc + subPath: usr/bin/oc + name: host + readOnly: true + name: host + readOnly: true + - mountPath: /host/var/cache/yum + subPath: var/cache/yum + name: host + - mountPath: /container_setup/monitoring-config.yml + subPath: monitoring-config.yaml + name: config + - mountPath: /opt/config + name: config + resources: + requests: + cpu: 10m + memory: 10Mi +{% endif %} + volumes: + - name: config + configMap: + name: {{ openshift_daemonset_config_configmap_name }} +{% if openshift_daemonset_config_secrets != {} %} + - name: secrets + secret: + secretName: {{ openshift_daemonset_config_secret_name }} +{% endif %} + - name: host + hostPath: + path: / |