feat(kubernetes): add kustomize generation to kubernetes stdlib package

test(kubernetes): add test for kustomize

Signed-off-by: Tom Chauveau <tom.chauveau@epitech.eu>

tests/stdlib/kubernetes/kustomize/verify.cue

@@ -0,0 +1,72 @@
+package kustomize
+
+import (
+	"dagger.io/dagger/op"
+	"dagger.io/dagger"
+	"dagger.io/alpine"
+)
+
+#VerifyKustomize: {
+	source: dagger.#Artifact
+
+	#up: [
+		op.#Load & {
+			from: alpine.#Image & {
+				package: bash: "=~5.1"
+			}
+		},
+
+		// Check files
+		op.#Exec & {
+			always: true
+			args: [
+				"sh", "-c", "test $(ls /source | wc -l) = 1",
+			]
+			mount: "/source": from: source
+		},
+
+		// Check image tag kustomization
+		op.#Exec & {
+			always: true
+			args: [
+				"sh", "-c", #"""
+						grep -q "\- image: nginx:v1" /source/result.yaml
+					"""#,
+			]
+			mount: "/source": from: source
+		},
+
+		// Check replicas kustomization
+		op.#Exec & {
+			always: true
+			args: [
+				"sh", "-c", #"""
+						grep -q "replicas: 2" /source/result.yaml
+					"""#,
+			]
+			mount: "/source": from: source
+		},
+
+		// Check pod merge by kustomization
+		op.#Exec & {
+			always: true
+			args: [
+				"sh", "-c", #"""
+						grep -q "kind: Pod" /source/result.yaml
+					"""#,
+			]
+			mount: "/source": from: source
+		},
+
+		// Check pod name
+		op.#Exec & {
+			always: true
+			args: [
+				"sh", "-c", #"""
+						grep -q "name: test-pod" /source/result.yaml
+					"""#,
+			]
+			mount: "/source": from: source
+		},
+	]
+}