stdlib: add GKE support

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>

stdlib/gcp/gcloud.cue

@@ -0,0 +1,53 @@
+package gcp
+
+import (
+	"dagger.io/dagger/op"
+	"dagger.io/alpine"
+)
+
+// Re-usable gcloud component
+#GCloud: {
+	config:  #Config
+	version: string | *"288.0.0"
+	package: [string]: string
+
+	#up: [
+		op.#Load & {
+			from: alpine.#Image & {
+				"package": package
+				"package": bash:    "=~5.1"
+				"package": python3: "=~3.8"
+				"package": jq:      "=~1.6"
+				"package": curl:    "=~7.76"
+			}
+		},
+
+		// Install the gcloud cli
+		op.#Exec & {
+			args: ["sh", "-c",
+				#"""
+                curl -sfL https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/google-cloud-sdk-\#(version)-linux-x86_64.tar.gz | tar -C /usr/local -zx
+                ln -s /usr/local/google-cloud-sdk/bin/gcloud /usr/local/bin
+                """#,
+			]
+		},
+
+		// Setup auth
+		op.#WriteFile & {
+			dest:    "/service_key"
+			content: config.serviceKey
+		},
+
+		op.#Exec & {
+			args: ["gcloud", "-q", "auth", "activate-service-account", "--key-file=/service_key"]
+		},
+
+		op.#Exec & {
+			args: ["gcloud", "-q", "config", "set", "project", config.project]
+		},
+
+		op.#Exec & {
+			args: ["gcloud", "-q", "config", "set", "compute/zone", config.region]
+		},
+	]
+}

stdlib/gcp/gcp.cue

@@ -0,0 +1,15 @@
+package gcp
+
+import (
+	"dagger.io/dagger"
+)
+
+// Base Google Cloud Config
+#Config: {
+	// GCP region
+	region: string
+	// GCP projcet
+	project: string
+	// GCP service key
+	serviceKey: dagger.#Secret
+}

stdlib/gcp/gke/gke.cue

@@ -0,0 +1,84 @@
+package gke
+
+import (
+	"dagger.io/dagger/op"
+	"dagger.io/gcp"
+)
+
+// KubeConfig config outputs a valid kube-auth-config for kubectl client
+#KubeConfig: {
+	// GCP Config
+	config: gcp.#Config
+
+	// GKE cluster name
+	clusterName: string
+
+	// Kubectl version
+	version: *"v1.19.9" | string
+
+	// kubeconfig is the generated kube configuration file
+	kubeconfig: {
+		// FIXME There is a problem with dagger.#Secret type
+		string
+
+		#up: [
+			op.#Load & {
+				from: gcp.#GCloud & {
+					"config": config
+				}
+			},
+
+			op.#WriteFile & {
+				dest:    "/entrypoint.sh"
+				content: #Code
+			},
+
+			op.#Exec & {
+				always: true
+				args: [
+					"/bin/bash",
+					"--noprofile",
+					"--norc",
+					"-eo",
+					"pipefail",
+					"/entrypoint.sh",
+				]
+				env: {
+					GKE_CLUSTER:     clusterName
+					KUBECTL_VERSION: version
+				}
+				mount: "/cache/bin": "cache"
+			},
+			op.#Export & {
+				source: "/kubeconfig"
+				format: "string"
+			},
+		]
+	}
+}
+
+#Code: #"""
+	[ -e /cache/bin/kubectl ] || {
+	   curl -sfL https://dl.k8s.io/${KUBECTL_VERSION}/bin/linux/amd64/kubectl -o /cache/bin/kubectl \
+	    && chmod +x /cache/bin/kubectl
+	}
+
+	export KUBECONFIG=/kubeconfig
+	export PATH="$PATH:/cache/bin"
+
+	# Generate a kube configiration
+	gcloud -q container clusters get-credentials "$GKE_CLUSTER"
+
+	# Figure out the kubernetes username
+	CONTEXT="$(kubectl config current-context)"
+	USER="$(kubectl config view -o json | \
+	    jq -r ".contexts[] | select(.name==\"$CONTEXT\") | .context.user")"
+
+	# Grab a kubernetes access token
+	ACCESS_TOKEN="$(gcloud -q config config-helper --format json --min-expiry 1h | \
+	    jq -r .credential.access_token)"
+
+	# Remove the user config and replace it with the token
+	kubectl config unset "users.${USER}"
+	kubectl config set-credentials "$USER" --token "$ACCESS_TOKEN"
+	"""#

tests/stdlib.bats

@@ -42,24 +42,30 @@ setup() {
     "$DAGGER" compute "$TESTDIR"/stdlib/kubernetes/helm --input-dir kubeconfig=~/.kube --input-dir TestHelmSimpleChart.deploy.chartSource="$TESTDIR"/stdlib/kubernetes/helm/testdata/mychart
 }
 
-@test "stdlib: s3" {
+@test "stdlib: aws: s3" {
     skip_unless_secrets_available "$TESTDIR"/stdlib/aws/inputs.yaml
 
     "$DAGGER" compute "$TESTDIR"/stdlib/aws/s3 --input-dir TestDirectory="$TESTDIR"/stdlib/aws/s3/testdata --input-yaml "$TESTDIR"/stdlib/aws/inputs.yaml
 }
 
-@test "stdlib: aws" {
+@test "stdlib: aws: eks" {
     skip_unless_secrets_available "$TESTDIR"/stdlib/aws/inputs.yaml
 
     "$DAGGER" compute "$TESTDIR"/stdlib/aws/eks --input-yaml "$TESTDIR"/stdlib/aws/inputs.yaml
 }
 
-@test "stdlib: ecr" {
+@test "stdlib: aws: ecr" {
     skip_unless_secrets_available "$TESTDIR"/stdlib/aws/inputs.yaml
 
     "$DAGGER" compute "$TESTDIR"/stdlib/aws/ecr --input-yaml "$TESTDIR"/stdlib/aws/inputs.yaml
 }
 
+@test "stdlib: gcp: gke" {
+    skip_unless_secrets_available "$TESTDIR"/stdlib/gcp/inputs.yaml
+
+    "$DAGGER" compute "$TESTDIR"/stdlib/gcp/gke --input-yaml "$TESTDIR"/stdlib/gcp/inputs.yaml
+}
+
 @test "stdlib: docker-build" {
     "$DAGGER" compute "$TESTDIR"/stdlib/docker/build/ --input-dir source="$TESTDIR"/stdlib/docker/build
 }

tests/stdlib/gcp/gke/gke.cue

@@ -0,0 +1,32 @@
+package gke
+
+import (
+	"dagger.io/gcp"
+	"dagger.io/gcp/gke"
+	"dagger.io/kubernetes"
+	"dagger.io/dagger/op"
+)
+
+TestConfig: gcpConfig: gcp.#Config
+
+TestCluster: gke.#KubeConfig & {
+	config:      TestConfig.gcpConfig
+	clusterName: "test-cluster"
+}
+
+TestGKE: #up: [
+	op.#Load & {
+		from: kubernetes.#Kubectl
+	},
+
+	op.#WriteFile & {
+		dest:    "/kubeconfig"
+		content: TestCluster.kubeconfig
+	},
+
+	op.#Exec & {
+		always: true
+		args: ["kubectl", "get", "nodes"]
+		env: KUBECONFIG: "/kubeconfig"
+	},
+]

tests/stdlib/gcp/inputs.yaml

@@ -0,0 +1,36 @@
+TestConfig:
+    gcpConfig:
+        project: ENC[AES256_GCM,data:QVioZWWseno1,iv:WHdf8+4/rHg/NUug6GW4lFkJsUU4VhpE489myNTRnr4=,tag:7uUBSj6ncrfhmbtLNxURFA==,type:str]
+        serviceKey: ENC[AES256_GCM,data:eAYD6rwPbHx5HFCWvUexeEa1ugxQ6AcKfKRmrAB4rOwyGzNpwQI0QmQJ12Wr0t3EYQQ5n0dEA7HdHk8igCwM67yNRkP5lBIosDERryEQiVLQxWxR0vLXbLJVWcjb6YiILVQ54PgShN/agCd0qN/VWpqEkTpdg9yk2N1ACsnvxxb8zuEcd/hlvMxJbH8EM9/fCJ0Q4voBU+xji7EQWgvo9PYiO8jy1vO7g3PfN1x0RUnLQ8YsXFEY/4qe5zmZhUiXbxplmTS8jlLb/V62H9NJQQIgUr1Bl90fisc1casTFWZ+ewhhnJMfssFstyDCYhXUp1RujTy6vv60WjXRWxaqfQjpR6iK2Bwnb3knj4SaFylhktXHMaE2mvIZiM+NNyV2NX0zCuCNMhEd3l+t8GHh6v3r13O4j3ET5EhxvwJZSj4RunHY6ey59d+PxGudJO5+6GzSuwBsHxgWEREIUgbUIzbVD7mDL6j3p6KqQMu5TZx2hTWxCjrdgyKma4Y0ubC9cB53gl2UafYcF9sYAmCGLq72jLtPA500dEWOEElXtOnyreVSSx1qT8WoxAAf6knQogAotE1zvymZgNfAwc6J0hIZCx0u2BxbOQHlWPpVnug7dXtLyFIVoMlzB9sJFCMLXEaueC0oaARuzC44TnJmC/wXSHCGB9BTGx5iCvzakzFNpoH1OYSBisgvbqFvPdH8g5PnbQizHCRImodHikcInVNWpnu0KKqrrC9aTx6nNu1zMMJxMsLBTRg4IyKiwAbC0CsntbwZBbX4P9ePCLYofDbBYVRgz1C1IoGkq/t11QoIx7NVK9bYS/kxFHC/eh9S2k0IsM8sbGDyRfpX4KFRJD8WIr5BNzGmMzR5ZwV+pVwYMs+xugAxUWXZHUW0xWjbAB49rlmjrs96KFBKLAe/Zr5JZLs9lRQqBg9F6r+OJTy5CcPMVD6y0+76IhYDGkic6x4HeAF0f0r38feBlS1m1E/Zs0mboucLNQ09pnuU5T3gDvg64bR2/xLHk/ljuWX3hZy7M4H6geNfNlktlAio7f6v8QKYC4uDfrsCNOIgAqnB0sOpECGr4g6fYC9SOO/CbB1IY51NBCX7F5b8bSaKurvqsddvxPRfDET+SH+Sk1vhutdXtVgotTlhwr7yA6kBMtSu44KwbZjWRQCT/GzACEkR47qIt6Vv/ZfxJY3o18oeiY4O5nCBKEvBCDZbPIfdbY6uwmS01Zujc1DMSojC5MVYsq1u0EuyXgCPBr6A/jlxDbb2VLSwCa8rOwgJYsXJGiapeFbh8LxlI3eEV5dlAZSAokUr6ET2F+n3quxAOSmJHPF0qQV2D5GGEREeHuoOcXpgeOV8zfA3K1O3nCeWJ1JHIfl8KjwsCHvDP8jYHkFu2ZkuJYbCS2Ot6uyF2qGv0sLKjmr4TfIL+ccJSKivgvCcRiTIriTL9nN0159T8JXWY5wnKbbxW6fYZMhst/FyFV3xN1qbymWSt+0aR2SPcEgSHEUUBeOKMzzcEzM5Yao/Kxc4EY+r6Zg0FVXywEPzFSqxsdhON9AaKBVq4riqMSe2rbqk0shjdPVdsCOzOPa60iU5Kb4jfa7ddYdB0hu8yd2D+qa6pFyizq4aGJedK59AbuJy38pwOifx44VuInOnTYM+zhg8S5qDGe+jrUOZ2jA9V5pRbkZjv5DIf9/zt0E0OIWkVAwvLSmM69s7+Exs79U3m3tl6c2y0FFE4+3SZVYwGWoepkSBgvKEIdIC58FasaXyVzTR2iU5dxVVn13ZTd+CtfPlHH7MIcC+4ZxUgjbp+iJpuYKGLjTMqJcDd0L1PAKsrNruLTHMDBwi+P37MG048sC+Nrk1fGCwYlOb5Uz+Q4HGc3G/9eRFr7cvcG4FkEdw3x5wKdD+XU19raZb5CEAiGSEI16myxhCinsiEDwaDDhnWwYVfcCkXjZBvNijjW9BErTnoOOxV9mae4SJt+q3AVcx9w1BjLW8oygEuvOsGv4h+HZCZZlVLfFku8RkASXOApb5eTEYcK2qSDufHOzrQlGq0M7lcO+OoSSVDkklEbv7D/avJzW/NSlG1XC1x07c9kDsHLX0FDKnd1uQeyyKYaupA37IOMR5imOoti6sCgGrR1mzozTMpY8KPyAjoc7Avfnu98MZnH5BwL8crqWwSC/30fV7Zu3KhnmvhlpIykUo9YC5cwYbhwaTQ/5SwvO78BoIwWMe/28ZkKtOhYIkNl5zi3EQws7YNJPmpyqnFdwF7xX+zOCjn97uqHJnTj1LzddfclvQmi2WmfkdnHq7TDVSd9edmvPoRVIaHXGzzSpWmw4WpgRbobm6Pf2GltMnFtq1cyLuQidNxNMXYkQp3p/bH66PWrZz9t4ZoXDyvq8QKpKrkXmxNWWVIbXbvXUyjWU9ycfi76JiuupNM7jmBPaMFN1wDtFagswHTs0Aq6wYpt32gtCYqc8UV216dzzQEBFp68cso7XbChV9tGfJyOybwU6rRJzX5YFhSZqhr50W+UaESsqewQbqfE4sx94ekX6fFHzNWckzN5oFvRgM9RZgq6XFZQwuVofF2lmKaC16mmeTuR0y2y+MaI7dXy6yVw8UhLBcpkGvbxn0HYOK/bxhKgcbJmGEMxGvWSQg4TckpjYUM1W+0u9wlbpoBW7DdfeRT0zZr5yLtOuIgeGajIIGpJufed+7hpDMDnAh/kBNJdzvdx6U/LAKUB2vING/R2Q6sI5nGtQgtzw4yECJy8E2QM3rszMlkSUVHbuW1NxtjA0Wy5GmNKAGiBPTOAIKbtARPZogNJN0Ceeoo6bMZ5iz8uHy4Uo5ynFx5fwxSvvQGroskfZZYtxH5HNtTdhzM5bRax0J5lrD/rZRnBytf5g9Pxj9YxBuIXv+v9Ujr+8GyQRgz25XpmygcCSWXzjJH0WgOBEMtjsoAekFDw56B+3TGeybQMHzR+XH0cZaWINpc6IV00kjd2EFbalVVvVOP5b2rKLsWjsgNDr3Hb5SC02F3NQ21wZI4ALohU0sMwICjRJxjjYmusAInQGkWg+RItETMrFxqrTShM+FPT5ROEUVAHUUsrYOeLc5,iv:M1AGMV/mWY3h+7DuCegKDG14ooHvrylJ1IGhzfW4g+4=,tag:DaZ1Y0pPsYU8C2EkavVQrw==,type:str]
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