Expected Behavior

The pipelines controller should work on EKS 1.15 with KUBERNETES_MIN_VERSION=1.15.11

Actual Behavior

The pod controller crashes due to the SHA appended at the end of version string

kubectl logs tekton-pipelines-controller-795b6fc6c7-8wz4h -n tekton-pipelines

2020/10/06 05:08:25 Registering 4 clients
2020/10/06 05:08:25 Registering 4 informer factories
2020/10/06 05:08:25 Registering 8 informers
2020/10/06 05:08:25 Registering 2 controllers
{"level":"info","caller":"logging/config.go:110","msg":"Successfully created the logger."}
{"level":"info","caller":"logging/config.go:111","msg":"Logging level set to info"}
{"level":"info","logger":"tekton","caller":"profiling/server.go:59","msg":"Profiling enabled: false","commit":"61e4167"}
{"level":"fatal","logger":"tekton","caller":"sharedmain/main.go:345","msg":"Version check failed","commit":"61e4167","error":"kubernetes version \"1.15.11-eks-065dce\" is not compatible, need at least \"1.15.11\" (this can be overridden with the env var \"KUBERNETES_MIN_VERSION\")","stacktrace":"github.com/tektoncd/pipeline/vendor/knative.dev/pkg/injection/sharedmain.CheckK8sClientMinimumVersionOrDie\n\tgithub.com/tektoncd/pipeline/vendor/knative.dev/pkg/injection/sharedmain/main.go:345\ngithub.com/tektoncd/pipeline/vendor/knative.dev/pkg/injection/sharedmain.MainWithConfig\n\tgithub.com/tektoncd/pipeline/vendor/knative.dev/pkg/injection/sharedmain/main.go:168\ngithub.com/tektoncd/pipeline/vendor/knative.dev/pkg/injection/sharedmain.MainWithContext\n\tgithub.com/tektoncd/pipeline/vendor/knative.dev/pkg/injection/sharedmain/main.go:131\nmain.main\n\tgithub.com/tektoncd/pipeline/cmd/controller/main.go:68\nruntime.main\n\truntime/proc.go:203"}

Steps to Reproduce the Problem

1. Spin up EKS 1.15
2. Deploy Tekton release yaml
3. Check logs for controller in crashloopbackoff

Additional Info

• Kubernetes version:

  Output of kubectl version:

Client Version: version.Info{Major:“1”, Minor:“18”, GitVersion:“v1.18.8”, GitCommit:“9f2892aab98fe339f3bd70e3c470144299398ace”, GitTreeState:“clean”, BuildDate:“2020-08-13T16:12:48Z”, GoVersion:“go1.13.15”, Compiler:“gc”, Platform:“darwin/amd64”} Server Version: version.Info{Major:“1”, Minor:“15+”, GitVersion:“v1.15.11-eks-065dce”, GitCommit:“065dcecfcd2a91bd68a17ee0b5e895088430bd05”, GitTreeState:“clean”, BuildDate:“2020-07-16T01:44:47Z”, GoVersion:“go1.12.17”, Compiler:“gc”, Platform:“linux/amd64”} ```

• Tekton Pipeline version:

  Output of tkn version or kubectl get pods -n tekton-pipelines -l app=tekton-pipelines-controller -o=jsonpath='{.items[0].metadata.labels.version}'

v0.16.3