Merge pull request #949 from TomChv/feat/improve-kube-pkg

Improve kubernetes package to deploy config from yaml

docs/reference/universe/kubernetes/README.md

@@ -16,7 +16,9 @@ Kubectl client
 
 ### kubernetes.#Kubectl Inputs
 
-_No input._
+| Name             | Type                      | Description        |
+| -------------    |:-------------:            |:-------------:     |
+|*version*         | `*"v1.19.9" \| string`    |Kubectl version     |
 
 ### kubernetes.#Kubectl Outputs
 
@@ -30,6 +32,9 @@ Apply Kubernetes resources
 
 | Name             | Type                      | Description                                              |
 | -------------    |:-------------:            |:-------------:                                           |
+|*source*          | `dagger.#Artifact`        |Kubernetes config to deploy                               |
+|*manifest*        | `*null \| string`         |Kubernetes manifest to deploy inlined in a string         |
+|*url*             | `*null \| string`         |Kubernetes manifest url to deploy remote configuration    |
 |*namespace*       | `*"default" \| string`    |Kubernetes Namespace to deploy to                         |
 |*version*         | `*"v1.19.9" \| string`    |Version of kubectl client                                 |
 |*kubeconfig*      | `string`                  |Kube config file                                          |

stdlib/kubernetes/kubernetes.cue

@@ -11,7 +11,7 @@ import (
 #Kubectl: {
 
 	// Kubectl version
-	version: *"v1.19.9" | string
+	version: dagger.#Input & {*"v1.19.9" | string}
 
 	#code: #"""
 		[ -e /usr/local/bin/kubectl ] || {
@@ -50,23 +50,35 @@ import (
 #Resources: {
 
 	// Kubernetes config to deploy
-	source?: dagger.#Artifact @dagger(input)
+	source: dagger.#Input & {*null | dagger.#Artifact}
 
 	// Kubernetes manifest to deploy inlined in a string
-	manifest?: string @dagger(input)
+	manifest: dagger.#Input & {*null | string}
+
+	// Kubernetes manifest url to deploy remote configuration
+	url: dagger.#Input & {*null | string}
 
 	// Kubernetes Namespace to deploy to
-	namespace: *"default" | string @dagger(input)
+	namespace: dagger.#Input & {*"default" | string}
 
 	// Version of kubectl client
-	version: *"v1.19.9" | string @dagger(input)
+	version: dagger.#Input & {*"v1.19.9" | string}
 
 	// Kube config file
-	kubeconfig: string @dagger(input)
+	kubeconfig: dagger.#Input & {string}
 
 	#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: [
@@ -82,7 +94,7 @@ import (
 			content: kubeconfig
 			mode:    0o600
 		},
-		if manifest != _|_ {
+		if manifest != null {
 			op.#WriteFile & {
 				dest:    "/source"
 				content: manifest
@@ -101,8 +113,11 @@ import (
 			env: {
 				KUBECONFIG:     "/kubeconfig"
 				KUBE_NAMESPACE: namespace
+				if url != null {
+					DEPLOYMENT_URL: url
 				}
-			if manifest == _|_ {
+			}
+			if manifest == null && source != null {
 				mount: "/source": from: source
 			}
 		},

stdlib/kubernetes/tests/kubernetes.cue

@@ -29,7 +29,7 @@ TestKubeApply: {
 	}
 
 	// Apply deployment
-	apply: #Resources & {
+	resources: #Resources & {
 		kubeconfig: TestKubeconfig
 		namespace:  "dagger-test"
 		manifest:   yaml.Marshal(kubeSrc)
@@ -38,6 +38,24 @@ TestKubeApply: {
 	// Verify deployment
 	verify: #VerifyApply & {
 		podname:   kubeSrc.metadata.name
-		namespace: apply.namespace
+		namespace: resources.namespace
+	}
+}
+
+TestLinkApply: {
+	// Podname from hello-world-pod
+	_podname: "hello-world"
+
+	// Apply deployment
+	resources: #Resources & {
+		kubeconfig: TestKubeconfig
+		namespace:  "dagger-test"
+		url:        "https://raw.githubusercontent.com/mstrzele/intro-to-k8s/master/hello-world-pod.yaml"
+	}
+
+	// Verify deployment
+	verify: #VerifyApply & {
+		podname:   _podname
+		namespace: resources.namespace
 	}
 }