Add Labels for CronJob https://github.com/kubernetes/kompose/issues/1795

script/test/fixtures/cronjob/docker-compose.yaml

@@ -0,0 +1,14 @@
+version: '3'
+
+services:
+  challenge:
+    image: busybox:stable-glibc
+    labels:
+      kompose.cronjob.schedule: "* * * * *"
+      kompose.cronjob.concurrency_policy: "Forbid"
+      kompose.cronjob.backoff_limit: "0"
+    command:
+      - "bash"
+      - "-c"
+      - "echo hello from cron"
+    restart: "no"

script/test/fixtures/cronjob/output-k8s.yaml

@@ -0,0 +1,27 @@
+---
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  labels:
+    io.kompose.service: challenge
+  name: challenge
+spec:
+  concurrencyPolicy: Forbid
+  jobTemplate:
+    spec:
+      backoffLimit: 0
+      template:
+        metadata:
+          labels:
+            io.kompose.network/cronjob-default: "true"
+            io.kompose.service: challenge
+        spec:
+          containers:
+            - args:
+                - bash
+                - -c
+                - echo hello from cron
+              image: busybox:stable-glibc
+              name: challenge
+          restartPolicy: Never
+  schedule: '* * * * *'

script/test/fixtures/cronjob/output-os.yaml

@@ -0,0 +1,27 @@
+---
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  labels:
+    io.kompose.service: challenge
+  name: challenge
+spec:
+  concurrencyPolicy: Forbid
+  jobTemplate:
+    spec:
+      backoffLimit: 0
+      template:
+        metadata:
+          labels:
+            io.kompose.network/cronjob-default: "true"
+            io.kompose.service: challenge
+        spec:
+          containers:
+            - args:
+                - bash
+                - -c
+                - echo hello from cron
+              image: busybox:stable-glibc
+              name: challenge
+          restartPolicy: Never
+  schedule: '* * * * *'