Installing on a cluster with an existing udp-services ConfigMap fails

[donovanmuller]

If you attempt to install k8gb on a cluster with an existing udp-services ConfigMap via the make deploy-gslb-operator target, it will fail as below:

$ make deploy-gslb-operator ...
kubectl apply -f deploy/namespace.yaml
namespace/k8gb unchanged
cd chart/k8gb && helm dependency update
walk.go:74: found symbolic link in path: /Users/donovan/.../k8gb/deploy/crds/k8gb.absa.oss_gslbs_crd.yaml
Hang tight while we grab the latest from your chart repositories...
...Successfully got an update from the "kuberhealthy" chart repository
...Successfully got an update from the "codecentric" chart repository
...Successfully got an update from the "jetstack" chart repository
...Successfully got an update from the "crossplane-alpha" chart repository
...Successfully got an update from the "elastic" chart repository
...Successfully got an update from the "jfrog" chart repository
...Successfully got an update from the "banzaicloud-stable" chart repository
Update Complete. ⎈Happy Helming!⎈
Saving 2 charts
Downloading coredns from repo https://kubernetes-charts.storage.googleapis.com
Downloading etcd-operator from repo https://kubernetes-charts.storage.googleapis.com
Deleting outdated charts
helm -n k8gb upgrade -i k8gb chart/k8gb -f avaf-nonprod-sdc.yml
Release "k8gb" does not exist. Installing it now.
walk.go:74: found symbolic link in path: /Users/donovan/.../k8gb/deploy/crds/k8gb.absa.oss_gslbs_crd.yaml
manifest_sorter.go:192: info: skipping unknown hook: "crd-install"
Error: rendered manifests contain a resource that already exists. Unable to continue with install: ConfigMap "udp-services" in namespace "ingress-nginx" exists and cannot be imported into the current release: invalid ownership metadata; label validation error: missing key "app.kubernetes.io/managed-by": must be set to "Helm"; annotation validation error: missing key "meta.helm.sh/release-name": must be set to "k8gb"; annotation validation error: missing key "meta.helm.sh/release-namespace": must be set to "k8gb"
make: *** [deploy-gslb-operator] Error 1

[donovanmuller]

One workaround is to follow the Helm prompts and annotate and label the existing ConfigMap accordingly:

$ kubectl -n ingress-nginx annotate --overwrite \
  cm/udp-services meta.helm.sh/release-name=k8gb \
  meta.helm.sh/release-namespace=k8gb
configmap/udp-services annotated
$ kubectl -n ingress-nginx label --overwrite cm/udp-services \
  app.kubernetes.io/managed-by=Helm
configmap/udp-services labeled

or alternatively, you could delete the existing ConfigMap, assuming it is empty.

[ytsarev]

Solved by https://github.com/AbsaOSS/k8gb/pull/354