TODO:

 - document usage in reference dataset
 - add minimal tests
WIP-tasks(cf_push): support variable substitution for cf apps

a file ending with `vars.yml` in application template dir is detected as
file with `variables` to be injected into application manifest.

fix #188

Author: o-orand

concourse/tasks/cf_push.yml

@@ -19,3 +19,4 @@ params:
   SECRETS_DIR:
   CUSTOM_SCRIPT_DIR:
   CF_MANIFEST:
+  VARS_FILES_SUFFIX: vars.yml

scripts/cf/push.sh

@@ -29,7 +29,7 @@ validate(){
     fi
 }
 
-validate
+#validate
 
 CURRENT_DIR=$(pwd)
 OUTPUT_DIR=${OUTPUT_DIR:-${CURRENT_DIR}/generated-files}
@@ -38,16 +38,25 @@ ADDITIONAL_RESSOURCE=${ADDITIONAL_RESSOURCE:-additional-resource}
 
 CF_MANIFEST=${CF_MANIFEST:-manifest.yml}
 
+API_OPTIONS="--skip-ssl-validation"
+
+echo "copying file from $ADDITIONAL_RESSOURCE to $OUTPUT_DIR"
+cp -r $ADDITIONAL_RESSOURCE/. $OUTPUT_DIR/
 
+VARS_FILES=""
+ls ${OUTPUT_DIR}/*
+for a_vars_file in $(ls ${OUTPUT_DIR}/*${VARS_FILES_SUFFIX}); do
+    VARS_FILES="${VARS_FILES} --vars-file ${a_vars_file}"
+done
+
+echo "Vars files detected: <${VARS_FILES}>"
 
-API_OPTIONS="--skip-ssl-validation"
 
 #TODO add an option to manage ssl validation
+cf --version
 cf api "$CF_API_URL" $API_OPTIONS
 cf auth "$CF_USERNAME" "$CF_PASSWORD"
 
-echo "copying file from $ADDITIONAL_RESSOURCE to $OUTPUT_DIR"
-cp -r $ADDITIONAL_RESSOURCE/. $OUTPUT_DIR/
 
 if [ -n "$CUSTOM_SCRIPT_DIR" -a  -f "$CUSTOM_SCRIPT_DIR/pre-cf-push.sh" ]
 then
@@ -58,10 +67,19 @@ else
     echo "ignoring pre CF push. No $CUSTOM_SCRIPT_DIR/pre-cf-push.sh detected"
 fi
 
+VARS_FILES=""
+
+for a_vars_file in $(ls ./${OUTPUT_DIR}/*${VARS_FILES_SUFFIX}); do
+    VARS_FILES="${VARS_FILES} --vars-file ${a_vars_file}"
+done
+
+echo "Vars files detected: <${VARS_FILES}>"
+
+
 cf target -o "$CF_ORG" -s "$CF_SPACE"
 
 set +e
-cf push -f ${CF_MANIFEST} |tee /tmp/cf-push.log
+cf push -f ${CF_MANIFEST} ${VARS_FILES}|tee /tmp/cf-push.log
 ret_code=$?
 if [ $ret_code -ne 0 ]
 then

spec/tasks/cf_push/task_spec.rb

@@ -1,7 +1,6 @@
-# encoding: utf-8
-# require 'spec_helper.rb'
 require 'yaml'
 require 'tmpdir'
+require_relative '../task_spec_helper'
 
 describe 'cf push task' do
 
@@ -15,23 +14,23 @@
     before(:context) do
       generated_files = Dir.mktmpdir
 
-      # @output = execute('-c concourse/tasks/cf_push.yml ' \
-      #   '-i scripts-resource=. ' \
-      #   '-i templates-resource=spec/tasks/cf_push/template-resource ' \
-      #   '-i credentials-resource=spec/tasks/cf_push/credentials-resource ' \
-      #   '-i additional-resource=spec/tasks/cf_push/additional-resource ' \
-      #   "-o generated-files=#{generated_files} ",
-      #   'CUSTOM_SCRIPT_DIR' =>'',
-      #   'SECRETS_DIR' => '' )
+      @output = execute('-c concourse/tasks/cf_push.yml ' \
+        '-i scripts-resource=. ' \
+        '-i templates-resource=spec/tasks/cf_push/template-resource ' \
+        '-i credentials-resource=spec/tasks/cf_push/credentials-resource ' \
+        '-i additional-resource=spec/tasks/cf_push/additional-resource ' \
+        "-o generated-files=#{generated_files} ",
+        'CUSTOM_SCRIPT_DIR' =>'',
+        'SECRETS_DIR' => '' )
     end
 
     after(:context) do
       FileUtils.rm_rf generated_files
     end
 
-    it 'displays an ignore message'
-      # expect(@output).to include('ignoring pre CF push. No /pre-cf-push.sh detected')
-
+    it 'displays an ignore message' do
+      expect(@output).to include('ignoring pre CF push. No /pre-cf-push.sh detected')
+    end
   end
 
   context 'when a custom pre-push script script is detected' do