Pull extended parameters

README.md

@@ -3,12 +3,12 @@
 ![GitHub contributors](https://img.shields.io/github/contributors/JovianX/helm-release-plugin)
 [![GitHub stars](https://img.shields.io/github/stars/JovianX/helm-release-plugin)](https://github.com/JovianX/helm-release-plugin/stargazers) Add a star ⭐ if you like the project.
 
-`helm-release` is a Helm 3 plugin that allows running operatins on Helm releases (deployed Helm charts).   
+`helm-release` is a Helm 3 plugin that allows running operatins on Helm releases (deployed Helm charts).
 
 
 Features:
 
- * Pull (re-create) Helm charts from a deployed helm release. The helm chart is re-created from the release data stored in `helm.sh/release.v1` secret. 
+ * Pull (re-create) Helm charts from a deployed helm release. The helm chart is re-created from the release data stored in `helm.sh/release.v1` secret.
  * Update values of a deployed release (without the chart package or path).
 
 
@@ -20,11 +20,11 @@ $ helm plugin install  https://github.com/JovianX/helm-release-plugin
 ```
 
 >
-> Dependencies: `helm-release` plugin depends on:  
->>      jq - a lightweight and flexible command-line JSON processor.   
->>             Install: https://stedolan.github.io/jq/download/  
-> 
->>      yq - a lightweight and portable command-line YAML processor.   
+> Dependencies: `helm-release` plugin depends on:
+>>      jq - a lightweight and flexible command-line JSON processor.
+>>             Install: https://stedolan.github.io/jq/download/
+>
+>>      yq - a lightweight and portable command-line YAML processor.
 >>            Install: https://github.com/mikefarah/yq/#install
 >
 
@@ -35,9 +35,9 @@ $ helm plugin update release
 Verify it's been installed:
 ```shell
 $ helm plugin list
-NAME   	VERSION	DESCRIPTION                                                                      
+NAME   	VERSION	DESCRIPTION
 ...
-release	0.1.0  	Update values of a releases, pull charts from releases                           
+release	0.1.0  	Update values of a releases, pull charts from releases
 ...
 ```
 
@@ -49,7 +49,7 @@ usage: ./release.sh [ pull ]
 Available Commands:
     pull   Pulls (re-create) a Helm chart from a deployed Helm release
 
-$ helm release pull 
+$ helm release pull
 usage: helm release pull <RELEASE NAME>
 
 Example:

lib/api/helm-ops.sh

@@ -1,55 +1,114 @@
 #!/usr/bin/env bash
 function pull_chart_from_release() {
-	local msg="usage: helm release pull <RELEASE NAME>"
-	if [[ $# < 1 ]]; then exit_with_help "$msg"; fi
 
-	RELEASE=$1
+	local msg="usage: helm release pull <RELEASE NAME> [-d | --destination <TARGET CHART DIRECTORY> Default(./)] [-o | --output [yaml | json | text]]"
 	NAMESPACE=$HELM_NAMESPACE
+	K8S_CONTEXT=$HELM_KUBECONTEXT
+	DESTINATION_DIR="."
+	RELEASE=""
+	OUTPUT="text"
 
-	RELEASE_STATUS=$(helm -n $NAMESPACE  status $RELEASE -o json)
+	while test $# -gt 0; do
+		case "$1" in
+			(-d|--destination)
+				shift
+				if test $# -gt 0; then
+					export DESTINATION_DIR=$1
+				else
+					exit_with_help "$msg"
+				fi
+				shift
+				;;
+			--destination*)
+				export DESTINATION_DIR=`echo $1 | sed -e 's/^[^=]*=//g'`
+				shift
+				;;
+			(-o|--output)
+				shift
+				if test $# -gt 0; then
+					export OUTPUT=$1
+					if [ "$OUTPUT" != "text" ] && [ "$OUTPUT" != "yaml" ] && [ "$OUTPUT" != "json" ]; then
+						exit_with_help "$msg"
+					fi
+				else
+					exit_with_help "$msg"
+				fi
+				shift
+				;;
+			--output*)
+				export OUTPUT=`echo $1 | sed -e 's/^[^=]*=//g'`
+				if [ "$OUTPUT" != "text" ] && [ "$OUTPUT" != "yaml" ] && [ "$OUTPUT" != "json" ]; then
+					exit_with_help "$msg"
+				fi
+				shift
+				;;
+			*)
+				if [[ -z $RELEASE ]]; then
+					RELEASE=$1
+				else
+					exit_with_help "$msg"
+				fi
+				shift
+				;;
+		esac
+	done
+	if [[ -z $RELEASE ]]; then
+		exit_with_help "$msg"
+	fi
+
+	RELEASE_STATUS=$(helm -n $NAMESPACE --kube-context=$K8S_CONTEXT status $RELEASE -o json)
 	if [ $? -eq 0 ]; then
 		echo $RELEASE_STATUS | jq > $(dirname -- "$0")/data/release-$RELEASE-status.json;
 		VERSION=$(cat $(dirname -- "$0")/data/release-$RELEASE-status.json | jq -r .version)
 
 		RELEASE_CONTENT=$(kubectl \
-		 		get secrets sh.helm.release.v1.$RELEASE.v$VERSION \
+				get secrets sh.helm.release.v1.$RELEASE.v$VERSION \
 				-n $NAMESPACE \
+				--context=$K8S_CONTEXT \
 				-o jsonpath='{.data.release}' \
 				| base64 -d | base64 -d | gzip -d | jq | tee $(dirname -- "$0")/data/release-$RELEASE-content.json)
 
 		CHART_NAME=$(cat $(dirname -- "$0")/data/release-$RELEASE-content.json | jq -r .chart.metadata.name)
 		CHART_VERSION=$(cat $(dirname -- "$0")/data/release-$RELEASE-content.json | jq -r .chart.metadata.version)
-		CHART_DIR=$CHART_NAME-$CHART_VERSION
+		CHART_DIR_NAME="$CHART_NAME-$CHART_VERSION"
+		CHART_DIR="$DESTINATION_DIR/$CHART_DIR_NAME"
 
 		mkdir -p $CHART_DIR
 
- 		# sudo wget https://github.com/mikefarah/yq/releases/download/v4.25.3/yq_linux_amd64  -O /usr/bin/yq
-		echo $RELEASE_CONTENT  |  jq -r '.chart.metadata' | yq e -P - > $CHART_DIR/Chart.yaml
-		echo $RELEASE_CONTENT  |  jq -r '.chart.values' | yq e -P - > $CHART_DIR/values.yaml
+		echo $RELEASE_CONTENT | jq -r '.chart.metadata' | yq e -P - > $CHART_DIR/Chart.yaml
+		echo $RELEASE_CONTENT | jq -r '.chart.values' | yq e -P - > $CHART_DIR/values.yaml
 
-		# Create Chart Templates 
+		# Create Chart Templates
 		for row in $(echo $RELEASE_CONTENT | jq -r '.chart.templates[] | @base64'); do
-    		#echo $row
-    		_jq() {
-     			echo ${row} | base64 --decode | jq -r ${1}
-    		}
-   			filename=$(echo $(_jq '.name'))
+			#echo $row
+			_jq() {
+				echo ${row} | base64 --decode | jq -r ${1}
+			}
+			filename=$(echo $(_jq '.name'))
 			data=$(echo $(_jq '.data') )
 			mkdir -p $(dirname $CHART_DIR/$filename)
 			echo $data | base64 -d > $CHART_DIR/$filename
 		done
 		# Create Chart files
 		for row in $(echo $RELEASE_CONTENT | jq -r '.chart.files[] | @base64'); do
-    		#echo $row
-    		_jq() {
-     			echo ${row} | base64 --decode | jq -r ${1}
-    		}
-   			filename=$(echo $(_jq '.name'))
+			#echo $row
+			_jq() {
+				echo ${row} | base64 --decode | jq -r ${1}
+			}
+			filename=$(echo $(_jq '.name'))
 			data=$(echo $(_jq '.data') )
 			mkdir -p $(dirname $CHART_DIR/$filename)
 			echo $data | base64 -d > $CHART_DIR/$filename
 		done
 	fi
 	rm_dir './data'
+	case $OUTPUT in
+		json)
+			echo "{\"chart_directory\": \"$CHART_DIR_NAME\"}" ;;
+		yaml)
+			echo "chart_directory: $CHART_DIR_NAME" ;;
+		*)
+			echo "Chart saved to $CHART_DIR_NAME" ;;
+	esac
 	return 0;
 }

lib/main.sh

@@ -21,10 +21,10 @@ function main() {
 	local fn_name=${command_table[$command]}
 
 	if [[ $fn_name == '' ]]; then exit_with_help "$msg"; fi
-	if $fn_name $@; then 
+	if $fn_name $@; then
 		rm -Rf $(dirname -- "$0")/data;
-		return 0; 
-	else 
-		return 1; 
+		return 0;
+	else
+		return 1;
 	fi
 }

plugin.yaml

@@ -1,11 +1,11 @@
 #  Copyright 2022 JovianX Ltd.
-# 
+#
 #  Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 #  You may obtain a copy of the License at
-# 
+#
 #      http://www.apache.org/licenses/LICENSE-2.0
-# 
+#
 #  Unless required by applicable law or agreed to in writing, software
 #  distributed under the License is distributed on an "AS IS" BASIS,
 #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

release.sh

@@ -1,12 +1,12 @@
 #!/usr/bin/env bash
 #  Copyright 2022 JovianX Ltd.
-# 
+#
 #  Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 #  You may obtain a copy of the License at
-# 
+#
 #      http://www.apache.org/licenses/LICENSE-2.0
-# 
+#
 #  Unless required by applicable law or agreed to in writing, software
 #  distributed under the License is distributed on an "AS IS" BASIS,
 #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.