Add "PostRendererArgs" option to be passed to helm (#1133)

* Add "PostRendererArgs" option to be passed to helm

This allows using PowerShell scripts on Windows as Post Renderer.

Signed-off-by: Maarten Boekhold <maarten.boekhold@finastra.com>

test/integration/test-cases/postrender.sh

@@ -27,7 +27,7 @@ test_start "postrender diff"
 info "Comparing postrender diff output ${postrender_diff_reverse} with ${postrender_case_output_dir}/result.yaml"
 for i in $(seq 10); do
     info "Comparing build/postrender-diff #$i"
-    ${helmfile} -f ${postrender_case_input_dir}/${config_file} diff --concurrency 1 --post-renderer ./add-cm1.bash &> ${postrender_diff_reverse} || fail "\"helmfile diff\" shouldn't fail"
+    ${helmfile} -f ${postrender_case_input_dir}/${config_file} diff --concurrency 1 --post-renderer ./add-cm.bash --post-renderer-args cm1 &> ${postrender_diff_reverse} || fail "\"helmfile diff\" shouldn't fail"
     diff -u  ${postrender_diff_out_file} ${postrender_diff_reverse} || fail "\"helmfile diff\" should be consistent"
     echo code=$?
 done
@@ -37,7 +37,7 @@ test_start "postrender template"
 info "Comparing postrender template output ${postrender_template_reverse} with ${postrender_case_output_dir}/result.yaml"
 for i in $(seq 10); do
     info "Comparing build/postrender-diff #$i"
-    ${helmfile} -f ${postrender_case_input_dir}/${config_file} template --concurrency 1 --post-renderer ./add-cm1.bash &> ${postrender_template_reverse} || fail "\"helmfile template\" shouldn't fail"
+    ${helmfile} -f ${postrender_case_input_dir}/${config_file} template --concurrency 1 --post-renderer ./add-cm.bash --post-renderer-args cm1 &> ${postrender_template_reverse} || fail "\"helmfile template\" shouldn't fail"
     diff -u  ${postrender_template_out_file} ${postrender_template_reverse} || fail "\"helmfile template\" should be consistent"
     echo code=$?
 done

test/integration/test-cases/postrender/input/add-cm.bash

@@ -1,13 +1,13 @@
 #!/usr/bin/env bash
-
-cat $1
+configmap_name=$1
+cat
 echo "---"
 
 cat <<EOS
 apiVersion: v1
 kind: ConfigMap
 data:
-  one: ONE
+  name: ${configmap_name} 
 metadata:
-  name: cm1
+  name: ${configmap_name} 
 EOS

test/integration/test-cases/postrender/input/add-cm2.bash

@@ -1,13 +0,0 @@
-#!/usr/bin/env bash
-
-cat $1
-echo "---"
-
-cat <<EOS
-apiVersion: v1
-kind: ConfigMap
-data:
-  two: TWO
-metadata:
-  name: cm2
-EOS

test/integration/test-cases/postrender/input/helmfile.yaml

@@ -21,7 +21,9 @@ releases:
           namespace: {{`{{ .Release.Namespace }}`}}
         data:
           bar: BAR
-  postRenderer: ./add-cm2.bash
+  postRenderer: ./add-cm.bash
+  postRendererArgs: 
+    - cm2
 - name: baz
   chart: ../../../charts/raw
   values:

test/integration/test-cases/postrender/output/diff-result

@@ -11,7 +11,7 @@ helmfile-tests, cm2, ConfigMap (v1) has been added:
 + apiVersion: v1
 + kind: ConfigMap
 + data:
-+   two: TWO
++   name: cm2 
 + metadata:
 +   name: cm2
 helmfile-tests, foo-1, ConfigMap (v1) has been added:
@@ -46,7 +46,7 @@ helmfile-tests, cm1, ConfigMap (v1) has been added:
 + apiVersion: v1
 + kind: ConfigMap
 + data:
-+   one: ONE
++   name: cm1 
 + metadata:
 +   name: cm1
 

test/integration/test-cases/postrender/output/diff-result-live

@@ -11,7 +11,7 @@ helmfile-tests, cm2, ConfigMap (v1) has been added:
 + apiVersion: v1
 + kind: ConfigMap
 + data:
-+   two: TWO
++   name: cm2 
 + metadata:
 +   name: cm2
 helmfile-tests, foo-1, ConfigMap (v1) has been added:
@@ -44,7 +44,7 @@ helmfile-tests, cm1, ConfigMap (v1) has been added:
 + apiVersion: v1
 + kind: ConfigMap
 + data:
-+   one: ONE
++   name: cm1 
 + metadata:
 +   name: cm1
 Comparing release=foo, chart=../../../charts/raw

test/integration/test-cases/postrender/output/template-result

@@ -14,7 +14,7 @@ data:
 apiVersion: v1
 kind: ConfigMap
 data:
-  two: TWO
+  name: cm2 
 metadata:
   name: cm2
 
@@ -32,7 +32,7 @@ data:
 apiVersion: v1
 kind: ConfigMap
 data:
-  one: ONE
+  name: cm1 
 metadata:
   name: cm1
 

test/integration/test-cases/postrender/output/template-result-live

@@ -15,7 +15,7 @@ data:
 apiVersion: v1
 kind: ConfigMap
 data:
-  two: TWO
+  name: cm2 
 metadata:
   name: cm2
 
@@ -33,7 +33,7 @@ data:
 apiVersion: v1
 kind: ConfigMap
 data:
-  one: ONE
+  name: cm1 
 metadata:
   name: cm1