Hono: Grafana & influxDB are not getting deployed to Kubernetes/Openshift

[sophokles73]

The deploy scripts shipped with Hono 0.5 fail to deploy Grafana and influxDB on Kubernetes and Openshift.

When running deploy/kubernetes/kubernetes_deploy.sh the step for deploying Grafana/influxDB fails with the following output:

Deploying influxDB & Grafana ... serviceaccount "useroot" created secret "influxdb-conf" created Error from server (BadRequest): error when creating "/home/hak8fe/git/hono/example/target/deploy/kubernetes/influxdb-deployment.yml": Deployment in version "v1beta1" cannot be handled as a Deployment: v1beta1.Deployment: ObjectMeta: v1.ObjectMeta: Labels: ReadString: expects " or n, parsing 136 ...version":0... at {"apiVersion":"extensions/v1beta1","kind":"Deployment","metadata":{"labels":{"app":"hono-metrics","group":"org.eclipse.hono","version":0.5},"name":"influxdb","namespace":"hono"},"spec":{"replicas":1,"selector":{"matchLabels":{"app":"hono-metrics","group":"org.eclipse.hono","version":0.5}},"template":{"metadata":{"labels":{"app":"hono-metrics","group":"org.eclipse.hono","role":"influxdb","version":0.5}},"spec":{"containers":[{"args":["-config","/run/secrets/influxdb.conf"],"env":[{"name":"KUBERNETES_NAMESPACE","valueFrom":{"fieldRef":{"fieldPath":"metadata.namespace"}}}],"image":"influxdb:1.2.4-alpine","imagePullPolicy":"IfNotPresent","livenessProbe":{"initialDelaySeconds":20,"periodSeconds":9,"tcpSocket":{"port":2003},"timeoutSeconds":1},"name":"eclipsehono-influxdb","ports":[{"containerPort":8086,"name":"api","protocol":"TCP"},{"containerPort":8083,"name":"admin","protocol":"TCP"},{"containerPort":2003,"name":"graphite","protocol":"TCP"}],"readinessProbe":{"initialDelaySeconds":5,"periodSeconds":5,"tcpSocket":{"port":2003},"timeoutSeconds":1},"securityContext":{"privileged":false},"volumeMounts":[{"mountPath":"/var/lib/influxdb","name":"influxdb-storage"},{"mountPath":"/run/secrets","name":"conf"}]}],"volumes":[{"emptyDir":{},"name":"influxdb-storage"},{"name":"conf","secret":{"secretName":"influxdb-conf"}}]}}}} Error from server (BadRequest): error when creating "/home/hak8fe/git/hono/example/target/deploy/kubernetes/influxdb-svc.yml": Service in version "v1" cannot be handled as a Service: v1.Service: ObjectMeta: v1.ObjectMeta: Labels: ReadString: expects " or n, parsing 117 ...version":0... at {"apiVersion":"v1","kind":"Service","metadata":{"labels":{"app":"hono-metrics","group":"org.eclipse.hono","version":0.5},"name":"influxdb","namespace":"hono"},"spec":{"ports":[{"name":"graphite","port":2003,"protocol":"TCP","targetPort":2003},{"name":"admin","port":8083,"protocol":"TCP","targetPort":8083},{"name":"api","port":8086,"protocol":"TCP","targetPort":8086}],"selector":{"app":"hono-metrics","group":"org.eclipse.hono","role":"influxdb"}}} Error from server (BadRequest): error when creating "/home/hak8fe/git/hono/example/target/deploy/kubernetes/grafana-deployment.yml": Deployment in version "v1beta1" cannot be handled as a Deployment: v1beta1.Deployment: ObjectMeta: v1.ObjectMeta: Labels: ReadString: expects " or n, parsing 136 ...version":0... at {"apiVersion":"extensions/v1beta1","kind":"Deployment","metadata":{"labels":{"app":"hono-metrics","group":"org.eclipse.hono","version":0.5},"name":"grafana","namespace":"hono"},"spec":{"replicas":1,"selector":{"matchLabels":{"app":"hono-metrics","group":"org.eclipse.hono"}},"template":{"metadata":{"labels":{"app":"hono-metrics","group":"org.eclipse.hono","role":"grafana","version":0.5}},"spec":{"containers":[{"env":[{"name":"GF_PATHS_DATA","value":"/var/lib/grafana"},{"name":"GF_PATHS_LOGS","value":"/var/log/grafana"},{"name":"KUBERNETES_NAMESPACE","valueFrom":{"fieldRef":{"fieldPath":"metadata.namespace"}}}],"image":"grafana/grafana:4.2.0","imagePullPolicy":"IfNotPresent","livenessProbe":{"httpGet":{"port":3000},"initialDelaySeconds":20,"periodSeconds":9,"timeoutSeconds":1},"name":"eclipsehono-grafana","readinessProbe":{"httpGet":{"port":3000},"initialDelaySeconds":5,"periodSeconds":5,"timeoutSeconds":1},"securityContext":{"privileged":false},"volumeMounts":[{"mountPath":"/var/log/grafana","name":"grafana-logs"},{"mountPath":"/var/lib/grafana","name":"grafana-data"}]}],"serviceAccountName":"useroot","volumes":[{"emptyDir":{},"name":"grafana-logs"},{"emptyDir":{},"name":"grafana-data"}]}}}} Error from server (BadRequest): error when creating "/home/hak8fe/git/hono/example/target/deploy/kubernetes/grafana-svc.yml": Service in version "v1" cannot be handled as a Service: v1.Service: ObjectMeta: v1.ObjectMeta: Labels: ReadString: expects " or n, parsing 117 ...version":0... at {"apiVersion":"v1","kind":"Service","metadata":{"labels":{"app":"hono-metrics","group":"org.eclipse.hono","version":0.5},"name":"grafana","namespace":"hono"},"spec":{"ports":[{"nodePort":31000,"port":3000,"protocol":"TCP","targetPort":3000}],"selector":{"app":"hono-metrics","group":"org.eclipse.hono","role":"grafana"},"type":"NodePort"}} ... done

However, all other services are deployed and seem to work as expected.

[sophokles73]

The reason for this seems to be missing quotation marks around the version label in the Kubernetes resource descriptors we use for deploying Grafana/influxDB. When the value is something like 0.5-M11 then Kubernetes is smart enough to determine that the value is a string. However, when the value is just 0.5 it tries to parse it as an integer and fails to do so.

[sophokles73]

This problem can be circumvented quite easily.

If you are deploying using the binary archive downloaded from the Download page, do the following:

eclipse-hono-example-0.5$: sed -i.orig -e 's/version: *0.5/version: "0.5"/' deploy/kubernetes/*.yml

Then deploy using

eclipse-hono-example-0.5$: deploy/kubernetes/kubernetes_deploy.sh

If you are deploying from the source tree, do the following before you run the build:

HONO_HOME$: cd example
HONO_HOME/example$: sed -i.orig -e 's/version: *${project.version}/version: "${project.version}"/' src/main/deploy/kubernetes/*.yml

Then do the build and deploy to Kubernetes as described in the deployment guide.

[TheBeachMaster]

Thanks @sophokles73
I had to do the following to enable Openshift Deployment

$ sudo  sed -i.orig -e 's/version: *0.5/version: "0.5"/' deploy/kubernetes/*.yml
$ sudo  sed -i.orig -e 's/version: *0.5/version: "0.5"/' deploy/openshift/*.yml 

[sophokles73]

fixed in https://github.com/eclipse/hono/commit/4dedbcd604cc4f4dd3f56c15f0814a89db52f3c9