fix issue https://github.com/kubernetes/kompose/issues/1683 (#1684)

* fix issue https://github.com/kubernetes/kompose/issues/1683

* add tests, die if inputfiles not specified

* fix GetComposeFileDir function and use it

* use fixed GetComposeFileDir instead of filepath.Dir

* return error instead of fatal

* add pod configmap creation to openshift

script/test/cmd/tests_new.sh

@@ -142,6 +142,14 @@ os_output="$KOMPOSE_ROOT/script/test/fixtures/configmap-volume/output-os-withlab
 convert::expect_success_and_warning "$k8s_cmd" "$k8s_output" || exit 1
 convert::expect_success "$os_cmd" "$os_output" || exit 1
 
+# test configmap pod generation
+k8s_cmd="kompose -f $KOMPOSE_ROOT/script/test/fixtures/configmap-pod/docker-compose.yml convert --stdout --with-kompose-annotation=false"
+k8s_output="$KOMPOSE_ROOT/script/test/fixtures/configmap-pod/output-k8s.yaml"
+os_output="$KOMPOSE_ROOT/script/test/fixtures/configmap-pod/output-os.yaml"
+os_cmd="kompose  --provider=openshift -f $KOMPOSE_ROOT/script/test/fixtures/configmap-pod/docker-compose.yml convert --stdout --with-kompose-annotation=false"
+convert::expect_success "$k8s_cmd" "$k8s_output" || exit 1
+convert::expect_success "$os_cmd" "$os_output" || exit 1
+
 # Test that emptyDir works
 k8s_cmd="kompose -f $KOMPOSE_ROOT/script/test/fixtures/change-in-volume/docker-compose.yml convert --with-kompose-annotation=false --stdout --volumes emptyDir"
 k8s_output="$KOMPOSE_ROOT/script/test/fixtures/change-in-volume/output-k8s-empty-vols-template.yaml"

script/test/fixtures/configmap-pod/bar.env

@@ -0,0 +1,3 @@
+# Multi-line test
+FOO=BAR
+BAR=FOO

script/test/fixtures/configmap-pod/docker-compose.yml

@@ -0,0 +1,16 @@
+version: '3'
+
+services:
+  redis:
+    image: 'bitnami/redis:latest'
+    environment:
+      - ALLOW_EMPTY_PASSWORD=no
+    # Env file will override environment / warn!
+    env_file:
+      - "foo.env"
+      - bar.env
+    labels:
+      kompose.service.type: nodeport
+    ports:
+      - '6379:6379'
+    restart: "no"

script/test/fixtures/configmap-pod/foo.env

@@ -0,0 +1,2 @@
+# Test comment!
+ALLOW_EMPTY_PASSWORD=yes

script/test/fixtures/configmap-pod/output-k8s.yaml

@@ -0,0 +1,76 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  creationTimestamp: null
+  labels:
+    io.kompose.service: redis
+  name: redis
+spec:
+  ports:
+    - name: "6379"
+      port: 6379
+      targetPort: 6379
+  selector:
+    io.kompose.service: redis
+  type: NodePort
+
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  creationTimestamp: null
+  labels:
+    io.kompose.network/configmap-pod-default: "true"
+    io.kompose.service: redis
+  name: redis
+spec:
+  containers:
+    - env:
+        - name: ALLOW_EMPTY_PASSWORD
+          valueFrom:
+            configMapKeyRef:
+              key: ALLOW_EMPTY_PASSWORD
+              name: foo-env
+        - name: BAR
+          valueFrom:
+            configMapKeyRef:
+              key: BAR
+              name: bar-env
+        - name: FOO
+          valueFrom:
+            configMapKeyRef:
+              key: FOO
+              name: bar-env
+      image: bitnami/redis:latest
+      name: redis
+      ports:
+        - containerPort: 6379
+          hostPort: 6379
+          protocol: TCP
+      resources: {}
+  restartPolicy: Never
+
+---
+apiVersion: v1
+data:
+  ALLOW_EMPTY_PASSWORD: "yes"
+kind: ConfigMap
+metadata:
+  creationTimestamp: null
+  labels:
+    io.kompose.service: redis-foo-env
+  name: foo-env
+
+---
+apiVersion: v1
+data:
+  BAR: FOO
+  FOO: BAR
+kind: ConfigMap
+metadata:
+  creationTimestamp: null
+  labels:
+    io.kompose.service: redis-bar-env
+  name: bar-env
+

script/test/fixtures/configmap-pod/output-os.yaml

@@ -0,0 +1,76 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  creationTimestamp: null
+  labels:
+    io.kompose.service: redis
+  name: redis
+spec:
+  ports:
+    - name: "6379"
+      port: 6379
+      targetPort: 6379
+  selector:
+    io.kompose.service: redis
+  type: NodePort
+
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  creationTimestamp: null
+  labels:
+    io.kompose.network/configmap-pod-default: "true"
+    io.kompose.service: redis
+  name: redis
+spec:
+  containers:
+    - env:
+        - name: ALLOW_EMPTY_PASSWORD
+          valueFrom:
+            configMapKeyRef:
+              key: ALLOW_EMPTY_PASSWORD
+              name: foo-env
+        - name: BAR
+          valueFrom:
+            configMapKeyRef:
+              key: BAR
+              name: bar-env
+        - name: FOO
+          valueFrom:
+            configMapKeyRef:
+              key: FOO
+              name: bar-env
+      image: bitnami/redis:latest
+      name: redis
+      ports:
+        - containerPort: 6379
+          hostPort: 6379
+          protocol: TCP
+      resources: {}
+  restartPolicy: Never
+
+---
+apiVersion: v1
+data:
+  ALLOW_EMPTY_PASSWORD: "yes"
+kind: ConfigMap
+metadata:
+  creationTimestamp: null
+  labels:
+    io.kompose.service: redis-foo-env
+  name: foo-env
+
+---
+apiVersion: v1
+data:
+  BAR: FOO
+  FOO: BAR
+kind: ConfigMap
+metadata:
+  creationTimestamp: null
+  labels:
+    io.kompose.service: redis-bar-env
+  name: bar-env
+