cue modules: move stdlib to pkg/alpha.dagger.io

In preparation for Europa, we will vendor multiple CUE modules:

- `pkg/alpha.dagger.io`: legacy non-europa packages
- `pkg/dagger.io`: core Europa packages
- `pkg/universe.dagger.io`: Europa universe

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

pkg/alpha.dagger.io/argocd/argocd.cue

@@ -0,0 +1,99 @@
+// ArgoCD client operations
+package argocd
+
+import (
+	"alpha.dagger.io/alpine"
+	"alpha.dagger.io/dagger"
+	"alpha.dagger.io/dagger/op"
+)
+
+// ArgoCD configuration
+#Config: {
+	// ArgoCD CLI binary version
+	version: *"v2.0.5" | dagger.#Input & {string}
+
+	// ArgoCD server
+	server: dagger.#Input & {string}
+
+	// ArgoCD project
+	project: *"default" | dagger.#Input & {string}
+
+	// Basic authentification to login
+	basicAuth: {
+		// Username
+		username: dagger.#Input & {string}
+
+		// Password
+		password: dagger.#Input & {dagger.#Secret}
+	} | *null
+
+	// ArgoCD authentication token
+	token: dagger.#Input & {*null | dagger.#Secret}
+}
+
+// Re-usable CLI component
+#CLI: {
+	config: #Config
+
+	#up: [
+		op.#Load & {
+			from: alpine.#Image & {
+				package: bash: true
+				package: jq:   true
+				package: curl: true
+			}
+		},
+
+		// Install the ArgoCD CLI
+		op.#Exec & {
+			args: ["sh", "-c",
+				#"""
+					curl -sSL -o /usr/local/bin/argocd https://github.com/argoproj/argo-cd/releases/download/$VERSION/argocd-linux-amd64 &&
+					chmod +x /usr/local/bin/argocd
+					"""#,
+			]
+			env: VERSION: config.version
+		},
+
+		if config.basicAuth != null && config.token == null {
+			// Login to ArgoCD server
+			op.#Exec & {
+				args: ["sh", "-c", #"""
+						argocd login "$ARGO_SERVER" --username "$ARGO_USERNAME" --password $(cat /run/secrets/password) --insecure
+					"""#,
+				]
+				env: {
+					ARGO_SERVER:   config.server
+					ARGO_USERNAME: config.basicAuth.username
+				}
+				mount: "/run/secrets/password": secret: config.basicAuth.password
+			}
+		},
+
+		if config.token != null && config.basicAuth == null {
+			// Write config file
+			op.#Exec & {
+				args: ["sh", "-c",
+					#"""
+						mkdir -p ~/.argocd && cat > ~/.argocd/config << EOF
+						contexts:
+						- name: "$SERVER"
+						  server: "$SERVER"
+						  user: "$SERVER"
+						current-context: "$SERVER"
+						servers:
+						- grpc-web-root-path: ""
+						  server: "$SERVER"
+						users:
+						- auth-token: $(cat /run/secrets/token)
+						  name: "$SERVER"
+						EOF
+						"""#,
+				]
+				mount: "/run/secrets/token": secret: config.token
+				env: SERVER: config.server
+			}
+		},
+
+	]
+}