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dagger/stdlib/kubernetes/kubernetes.cue

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CUE
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// Kubernetes client operations
package kubernetes
import (
"alpha.dagger.io/dagger/op"
"alpha.dagger.io/dagger"
"alpha.dagger.io/alpine"
)
// Kubectl client
#Kubectl: {
// Kubectl version
version: dagger.#Input & {*"v1.19.9" | string}
#code: #"""
[ -e /usr/local/bin/kubectl ] || {
curl -sfL https://dl.k8s.io/${KUBECTL_VERSION}/bin/linux/amd64/kubectl -o /usr/local/bin/kubectl \
&& chmod +x /usr/local/bin/kubectl
}
"""#
#up: [
op.#Load & {
from: alpine.#Image & {
package: bash: "=~5.1"
package: jq: "=~1.6"
package: curl: true
}
},
op.#WriteFile & {
dest: "/entrypoint.sh"
content: #code
},
op.#Exec & {
args: [
"/bin/bash",
"--noprofile",
"--norc",
"-eo",
"pipefail",
"/entrypoint.sh",
]
env: KUBECTL_VERSION: version
},
]
}
// Apply Kubernetes resources
#Resources: {
// Kubernetes config to deploy
source: dagger.#Input & {*null | dagger.#Artifact}
// Kubernetes manifest to deploy inlined in a string
manifest: dagger.#Input & {*null | string}
// Kubernetes manifest url to deploy remote configuration
url: dagger.#Input & {*null | string}
// Kubernetes Namespace to deploy to
namespace: dagger.#Input & {*"default" | string}
// Version of kubectl client
version: dagger.#Input & {*"v1.19.9" | string}
// Kube config file
kubeconfig: dagger.#Input & {string | dagger.#Secret}
#code: #"""
kubectl create namespace "$KUBE_NAMESPACE" > /dev/null 2>&1 || true
if [ -d /source ] || [ -f /source ]; then
kubectl --namespace "$KUBE_NAMESPACE" apply -R -f /source
exit 0
fi
if [ -n "$DEPLOYMENT_URL" ]; then
kubectl --namespace "$KUBE_NAMESPACE" apply -R -f "$DEPLOYMENT_URL"
exit 0
fi
"""#
#up: [
op.#Load & {
from: #Kubectl & {"version": version}
},
op.#WriteFile & {
dest: "/entrypoint.sh"
content: #code
},
if (kubeconfig & string) != _|_ {
op.#WriteFile & {
dest: "/kubeconfig"
content: kubeconfig
mode: 0o600
}
},
if manifest != null {
op.#WriteFile & {
dest: "/source"
content: manifest
}
},
op.#Exec & {
always: true
args: [
"/bin/bash",
"--noprofile",
"--norc",
"-eo",
"pipefail",
"/entrypoint.sh",
]
env: {
KUBECONFIG: "/kubeconfig"
KUBE_NAMESPACE: namespace
if url != null {
DEPLOYMENT_URL: url
}
}
if manifest == null && source != null {
mount: "/source": from: source
}
if (kubeconfig & dagger.#Secret) != _|_ {
mount: "/kubeconfig": secret: kubeconfig
}
},
]
}