86 lines
1.8 KiB
CUE
86 lines
1.8 KiB
CUE
// Google Kubernetes Engine
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package gke
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import (
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"dagger.io/dagger/op"
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"dagger.io/gcp"
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)
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// KubeConfig config outputs a valid kube-auth-config for kubectl client
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#KubeConfig: {
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// GCP Config
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config: gcp.#Config
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// GKE cluster name
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clusterName: string @dagger(input)
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// Kubectl version
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version: *"v1.19.9" | string @dagger(input)
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// kubeconfig is the generated kube configuration file
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kubeconfig: {
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// FIXME There is a problem with dagger.#Secret type
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string
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#up: [
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op.#Load & {
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from: gcp.#GCloud & {
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"config": config
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}
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},
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op.#WriteFile & {
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dest: "/entrypoint.sh"
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content: #Code
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},
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op.#Exec & {
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always: true
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args: [
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"/bin/bash",
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"--noprofile",
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"--norc",
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"-eo",
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"pipefail",
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"/entrypoint.sh",
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]
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env: {
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GKE_CLUSTER: clusterName
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KUBECTL_VERSION: version
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}
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mount: "/cache/bin": "cache"
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},
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op.#Export & {
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source: "/kubeconfig"
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format: "string"
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},
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]
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} @dagger(output)
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}
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#Code: #"""
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[ -e /cache/bin/kubectl ] || {
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curl -sfL https://dl.k8s.io/${KUBECTL_VERSION}/bin/linux/amd64/kubectl -o /cache/bin/kubectl \
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&& chmod +x /cache/bin/kubectl
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}
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export KUBECONFIG=/kubeconfig
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export PATH="$PATH:/cache/bin"
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# Generate a kube configiration
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gcloud -q container clusters get-credentials "$GKE_CLUSTER"
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# Figure out the kubernetes username
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CONTEXT="$(kubectl config current-context)"
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USER="$(kubectl config view -o json | \
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jq -r ".contexts[] | select(.name==\"$CONTEXT\") | .context.user")"
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# Grab a kubernetes access token
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ACCESS_TOKEN="$(gcloud -q config config-helper --format json --min-expiry 1h | \
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jq -r .credential.access_token)"
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# Remove the user config and replace it with the token
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kubectl config unset "users.${USER}"
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kubectl config set-credentials "$USER" --token "$ACCESS_TOKEN"
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"""#
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