Added terraform destroy command support

action.yml

@@ -1,25 +1,27 @@
 name: terraform-github-actions
 
 inputs:
-  version: 
+  version:
     required: true
   working_directory:
     required: false
   parallelism:
     required: false
   backend_config:
-    required: false 
+    required: false
   var_file:
-    required: false 
+    required: false
   plan:
-    required: false 
+    required: false
   apply:
-    required: false 
+    required: false
+  destroy:
+    required: false
 
 runs:
   using: 'node12'
   main: 'dist/index.js'
 
 branding:
   color: purple
-  icon: send
+  icon: send

dist/index.js

@@ -1641,7 +1641,7 @@ function setVersion() {
 }
 function setWorkDir() {
     return __awaiter(this, void 0, void 0, function* () {
-        var workDir = core.getInput('working_directory');
+        let workDir = core.getInput('working_directory');
         if (shell.ls(workDir).code !== 0) {
             throw new Error(`working directory ` + workDir + ` doesn't exist`);
         }
@@ -1661,11 +1661,11 @@ function setWorkDir() {
 }
 function execTerraform() {
     return __awaiter(this, void 0, void 0, function* () {
-        //format 
+        // TF format
         if (shell.exec('terraform fmt -check').code !== 0) {
             throw new Error(`unable to format terraform`);
         }
-        //init
+        // TF init
         const backendConfig = core.getInput('backend_config');
         if (backendConfig) {
             if (shell.exec('terraform init -backend-config=' + backendConfig).code !== 0) {
@@ -1677,17 +1677,31 @@ function execTerraform() {
                 throw new Error(`unable to initilize terraform`);
             }
         }
-        //validate 
+        // TF validation
         if (shell.exec('terraform validate').code !== 0) {
             throw new Error(`unable to validate terraform`);
         }
-        //plan
         const plan = core.getInput('plan');
         const apply = core.getInput('apply');
+        const destroy = core.getInput('destroy');
         const varFile = core.getInput('var_file');
+        // TF destroy
+        if (destroy) {
+            if (varFile) {
+                if (shell.exec(`terraform plan -var-file='${varFile}' -out=tfplan.out`).code !== 0) {
+                    throw new Error(`unable to plan terraform`);
+                }
+            }
+            else {
+                if (shell.exec('terraform plan -out=tfplan.out').code !== 0) {
+                    throw new Error(`unable to plan terraform`);
+                }
+            }
+        }
+        // TF plan
         if (plan || apply) {
             if (varFile) {
-                if (shell.exec('terraform plan -var-file=' + varFile + ' -out=tfplan.out').code !== 0) {
+                if (shell.exec(`terraform plan -var-file='${varFile}' -out=tfplan.out`).code !== 0) {
                     throw new Error(`unable to plan terraform`);
                 }
             }
@@ -1697,7 +1711,7 @@ function execTerraform() {
                 }
             }
         }
-        //apply
+        // TF apply
         if (apply) {
             if (shell.exec('terraform apply tfplan.out').code !== 0) {
                 throw new Error(`unable to apply terraform`);

package.json

@@ -5,7 +5,7 @@
   "main": "dist/index.js",
   "scripts": {
     "build": "ncc build src/main.ts -o dist",
-    "lint": "eslint src/"
+    "lint": "eslint ./src"
   },
   "devDependencies": {
     "@actions/core": "^1.2.4",

src/main.ts

@@ -1,11 +1,11 @@
-import * as core from '@actions/core'
+import * as core from '@actions/core';
 import * as shell from 'shelljs';
 
 async function setVersion() {
     const version = core.getInput('version')
     if (version == "") {
         throw new Error(`version input parmater was not set`)
-    }    
+    }
     if (shell.exec('tfenv install ' + version).code !== 0) {
         throw new Error(`unable to install terraform ` + version)
     }
@@ -14,15 +14,16 @@ async function setVersion() {
     }
 }
 
-
 async function setWorkDir() {
-        var workDir = core.getInput('working_directory')
+        let workDir = core.getInput('working_directory')
+
         if (shell.ls(workDir).code !== 0) {
             throw new Error(`working directory ` + workDir + ` doesn't exist`)
         }
 
         //parallelism
         const parallelism = core.getInput('parallelism')
+
         if (parallelism !== "") {
             if (shell.mkdir('-p', '_tf/' + parallelism).code !== 0) {
                 throw new Error(``)
@@ -37,37 +38,53 @@ async function setWorkDir() {
 }
 
 async function execTerraform() {
-        //format 
+        // TF format
         if (shell.exec('terraform fmt -check').code !== 0) {
             throw new Error(`unable to format terraform`)
         }
 
-        //init
+        // TF init
         const backendConfig = core.getInput('backend_config')
+
         if (backendConfig) {
             if (shell.exec('terraform init -backend-config=' + backendConfig).code !== 0) {
                 throw new Error(`unable to initilize terraform`)
             }
-
-        }
-        else {
+        } else {
             if (shell.exec('terraform init').code !== 0) {
                 throw new Error(`unable to initilize terraform`)
             }
         }
 
-        //validate 
+        // TF validation
         if (shell.exec('terraform validate').code !== 0) {
             throw new Error(`unable to validate terraform`)
         }
 
-        //plan
         const plan = core.getInput('plan')
         const apply = core.getInput('apply')
+        const destroy = core.getInput('destroy')
+
         const varFile = core.getInput('var_file')
+
+        // TF destroy
+        if (destroy) {
+            if (varFile) {
+                if (shell.exec(`terraform plan -var-file='${varFile}' -out=tfplan.out`).code !== 0) {
+                    throw new Error(`unable to plan terraform`)
+                }
+            }
+            else {
+                if (shell.exec('terraform plan -out=tfplan.out').code !== 0) {
+                    throw new Error(`unable to plan terraform`)
+                }
+            }
+        }
+
+        // TF plan
         if (plan || apply) {
             if (varFile) {
-                if (shell.exec('terraform plan -var-file=' + varFile + ' -out=tfplan.out').code !== 0) {
+                if (shell.exec(`terraform plan -var-file='${varFile}' -out=tfplan.out`).code !== 0) {
                     throw new Error(`unable to plan terraform`)
                 }
             }
@@ -78,7 +95,7 @@ async function execTerraform() {
             }
         }
 
-        //apply
+        // TF apply
         if (apply) {
             if (shell.exec('terraform apply tfplan.out').code !== 0) {
                 throw new Error(`unable to apply terraform`)
@@ -88,7 +105,7 @@ async function execTerraform() {
 
 async function run() {
     try {
-        await setVersion() 
+        await setVersion()
         await setWorkDir()
         await execTerraform()
     }
@@ -97,4 +114,4 @@ async function run() {
     }
 }
 
-run()
+run()

tsconfig.json

@@ -8,4 +8,4 @@
       "esModuleInterop": true                   /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
     },
     "exclude": ["node_modules", "**/*.test.ts"]
-  }
+  }