diff --git a/.woodpecker/helmfile.yaml b/.woodpecker/helmfile.yaml index bf73d9c..c877121 100644 --- a/.woodpecker/helmfile.yaml +++ b/.woodpecker/helmfile.yaml @@ -27,6 +27,8 @@ steps: exclude: - main commands: + - kubectl config view + - kubectl cluster-info - helmfile -e "${ENV}" diff diff: !!merge <<: *opts diff --git a/scripts/get_kubeconfig_from_sa.sh b/scripts/get_kubeconfig_from_sa.sh new file mode 100644 index 0000000..c85d1f8 --- /dev/null +++ b/scripts/get_kubeconfig_from_sa.sh @@ -0,0 +1,47 @@ +# The script returns a kubeconfig for the ServiceAccount given +# you need to have kubectl on PATH with the context set to the cluster you want to create the config for + +# Cosmetics for the created config +clusterName='some-cluster' +# your server address goes here get it via `kubectl cluster-info` +server='https://157.90.17.72:6443' +# the Namespace and ServiceAccount name that is used for the config +namespace='kube-system' +serviceAccount='developer' + +# The following automation does not work from Kubernetes 1.24 and up. +# You might need to +# define a Secret, reference the ServiceAccount there and set the secretName by hand! +# See https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/#manually-create-a-long-lived-api-token-for-a-serviceaccount for details +secretName=$(kubectl --namespace="$namespace" get serviceAccount "$serviceAccount" -o=jsonpath='{.secrets[0].name}') + +###################### +# actual script starts +set -o errexit + + +ca=$(kubectl --namespace="$namespace" get secret/"$secretName" -o=jsonpath='{.data.ca\.crt}') +token=$(kubectl --namespace="$namespace" get secret/"$secretName" -o=jsonpath='{.data.token}' | base64 --decode) + +echo " +--- +apiVersion: v1 +kind: Config +clusters: + - name: ${clusterName} + cluster: + certificate-authority-data: ${ca} + server: ${server} +contexts: + - name: ${serviceAccount}@${clusterName} + context: + cluster: ${clusterName} + namespace: ${namespace} + user: ${serviceAccount} +users: + - name: ${serviceAccount} + user: + token: ${token} +current-context: ${serviceAccount}@${clusterName} +" +