Merge pull request #6 from tmshkr/dev

add minimum_health_color input

Author: tmshkr

action.yml

@@ -30,6 +30,9 @@ inputs:
   green_env:
     description: "Name of the green environment."
     required: true
+  minimum_health_color:
+    description: "Minimum health color (Green, Yellow, Red, or Grey) required for the target environment to be considered healthy."
+    default: "Green"
   option_settings:
     description: "Path to a JSON file consisting of an array of option settings to use when updating an existing evironment or creating a new environment."
   platform_branch_name:

src/getTargetEnv.ts

@@ -4,7 +4,7 @@ import {
   EnvironmentDescription,
 } from "@aws-sdk/client-elastic-beanstalk";
 import { ebClient } from "./clients";
-import { ActionInputs } from "./inputs";
+import { ActionInputs, mapHealthColorToInt } from "./inputs";
 import { getEnvironments } from "./getEnvironments";
 import { terminateEnvironment } from "./terminateEnvironment";
 import { setDescribeEventsInterval } from "./setDescribeEventsInterval";
@@ -50,27 +50,11 @@ export async function getTargetEnv(
       );
   }
 
-  switch (targetEnv.Health) {
-    case "Green":
-      console.log("Target environment's health is Green.");
-      return targetEnv;
-
-    case "Yellow":
-      console.log("Target environment's health is Yellow.");
-      await terminateEnvironment(inputs, targetEnv);
-      return null;
-
-    case "Red":
-      console.log("Target environment's health is Red.");
-      await terminateEnvironment(inputs, targetEnv);
-      return null;
-
-    case "Grey":
-      console.log("Target environment's health is Grey.");
-      await terminateEnvironment(inputs, targetEnv);
-      return null;
-
-    default:
-      throw new Error("Target environment is unknown.");
+  console.log(`Target environment's health is ${targetEnv.Health}.`);
+  if (mapHealthColorToInt(targetEnv.Health) < inputs.minimumHealthColor) {
+    await terminateEnvironment(inputs, targetEnv);
+    return null;
+  } else {
+    return targetEnv;
   }
 }

src/inputs.test.ts

@@ -18,6 +18,7 @@ describe("checkInputs", () => {
         disableTerminationProtection: false,
         enableTerminationProtection: false,
         greenEnv: `my-green-env`,
+        minimumHealthColor: 3,
         optionSettings: undefined,
         platformBranchName: "Docker running on 64bit Amazon Linux 2023",
         createEnvironment: true,
@@ -50,6 +51,7 @@ describe("checkInputs", () => {
         enableTerminationProtection: false,
         greenEnv: `same`,
         optionSettings: undefined,
+        minimumHealthColor: 3,
         platformBranchName: "Docker running on 64bit Amazon Linux 2023",
         createEnvironment: true,
         productionCNAME: `prod-cname`,
@@ -81,6 +83,7 @@ describe("checkInputs", () => {
         enableTerminationProtection: false,
         greenEnv: "my-green-env",
         optionSettings: undefined,
+        minimumHealthColor: 3,
         platformBranchName: "Docker running on 64bit Amazon Linux 2023",
         createEnvironment: true,
         productionCNAME: `prod-cname`,
@@ -113,6 +116,7 @@ describe("checkInputs", () => {
         enableTerminationProtection: false,
         greenEnv: `my-green-env`,
         optionSettings: undefined,
+        minimumHealthColor: 3,
         platformBranchName: "Docker running on 64bit Amazon Linux 2023",
         productionCNAME: `same`,
         sourceBundle: undefined,
@@ -143,6 +147,7 @@ describe("checkInputs", () => {
         disableTerminationProtection: false,
         enableTerminationProtection: false,
         greenEnv: `my-green-env`,
+        minimumHealthColor: 3,
         optionSettings: "test.json",
         platformBranchName: "Docker running on 64bit Amazon Linux 2023",
         productionCNAME: `prod-cname`,

src/inputs.ts

@@ -21,6 +21,11 @@ export function getInputs() {
       "enable_termination_protection"
     ),
     greenEnv: core.getInput("green_env", { required: true }),
+    minimumHealthColor: mapHealthColorToInt(
+      core.getInput("minimum_health_color", {
+        required: true,
+      })
+    ),
     optionSettings: core.getInput("option_settings")
       ? JSON.parse(fs.readFileSync(core.getInput("option_settings")))
       : undefined,
@@ -89,3 +94,18 @@ export function checkInputs(inputs: ActionInputs) {
     throw new Error("option_settings must be an array");
   }
 }
+
+export function mapHealthColorToInt(healthColor: string) {
+  switch (healthColor.toUpperCase()) {
+    case "GREEN":
+      return 3;
+    case "YELLOW":
+      return 2;
+    case "RED":
+      return 1;
+    case "GREY":
+      return 0;
+    default:
+      throw new Error("Invalid health color");
+  }
+}

src/main.shared_alb.test.ts

@@ -28,6 +28,7 @@ const inputs = {
   disableTerminationProtection: false,
   enableTerminationProtection: false,
   greenEnv: `my-green-env-${key}`,
+  minimumHealthColor: 3,
   optionSettings: undefined,
   platformBranchName: "Docker running on 64bit Amazon Linux 2023",
   productionCNAME: `shared-alb-prod-${key}`,

src/main.test.ts

@@ -18,6 +18,7 @@ const inputs = {
   disableTerminationProtection: false,
   enableTerminationProtection: false,
   greenEnv: `my-green-env-${key}`,
+  minimumHealthColor: 3,
   optionSettings: undefined,
   platformBranchName: "Docker running on 64bit Amazon Linux 2023",
   productionCNAME: `blue-green-test-prod-${key}`,

src/swapCNAMEs.ts

@@ -3,7 +3,7 @@ import {
   waitUntilEnvironmentUpdated,
 } from "@aws-sdk/client-elastic-beanstalk";
 import { ebClient } from "./clients";
-import { ActionInputs } from "./inputs";
+import { ActionInputs, mapHealthColorToInt } from "./inputs";
 import { getEnvironments } from "./getEnvironments";
 const core = require("@actions/core");
 
@@ -15,7 +15,7 @@ export async function swapCNAMEs(inputs: ActionInputs) {
     return;
   }
 
-  if (stagingEnv.Health !== "Green") {
+  if (mapHealthColorToInt(stagingEnv.Health) < inputs.minimumHealthColor) {
     throw new Error(`Target environment is not healthy. Cannot swap CNAMEs.`);
   }