Add support for minInstances and custom_worker_pool (#213)

Author: sethvargo

.github/workflows/integration.yml

@@ -222,6 +222,8 @@ jobs:
         env_vars_file: './tests/env-var-files/test.good.yaml'
         build_environment_variables: 'FOO=bar, ZIP=zap'
         build_environment_variables_file: './tests/env-var-files/test.good.yaml'
+        min_instances: 2
+        max_instances: 5
 
     # Auth as the main account for integration and cleanup
     - uses: 'google-github-actions/auth@main'

README.md

@@ -85,6 +85,8 @@ steps:
 
 - `timeout`: (Optional) The function execution timeout in seconds. Defaults to 60.
 
+- `min_instances`: (Optional) The minimum number of instances for the function.
+
 - `max_instances`: (Optional) The maximum number of instances for the function.
 
 - `event_trigger_type`: (Optional) Specifies which action should trigger the function. Defaults to creation of http trigger.
@@ -95,6 +97,10 @@ steps:
 
 - `deploy_timeout`: (Optional) The function deployment timeout in seconds. Defaults to 300.
 
+- `build_worker_pool`: (Optional) Name of the Cloud Build Custom Worker Pool
+  that should be used to build the function. The format of this field is
+  `projects/p/locations/l/workerPools/w`.
+
 - `build_environment_variables`: (Optional) List of environment variables that
   should be available while the function is built. Note this is different than
   runtime environment variables, which should be set with 'env_vars'.

action.yaml

@@ -108,6 +108,11 @@ inputs:
       The function execution timeout.
     required: false
 
+  min_instances:
+    description: |-
+      The minimum number of instances for the function.
+    required: false
+
   max_instances:
     description: |-
       The maximum number of instances for the function.
@@ -134,6 +139,12 @@ inputs:
     default: 300
     required: false
 
+  build_worker_pool:
+    description: |-
+      Name of the Cloud Build Custom Worker Pool that should be used to build
+      the function.
+    required: false
+
   build_environment_variables:
     description: |-
       Optional list of environment variables that should be available while the

src/main.ts

@@ -56,6 +56,7 @@ async function run(): Promise<void> {
     const serviceAccountEmail = presence(getInput('service_account_email'));
     const timeout = presence(getInput('timeout'));
     const maxInstances = presence(getInput('max_instances'));
+    const minInstances = presence(getInput('min_instances'));
     const eventTriggerType = presence(getInput('event_trigger_type'));
     const eventTriggerResource = presence(getInput('event_trigger_resource'));
     const eventTriggerService = presence(getInput('event_trigger_service'));
@@ -66,6 +67,7 @@ async function run(): Promise<void> {
     const buildEnvVarsFile = presence(
       getInput('build_environment_variables_file'),
     );
+    const buildWorkerPool = presence(getInput('build_worker_pool'));
 
     const dockerRepository = presence(getInput('docker_repository'));
     const kmsKeyName = presence(getInput('kms_key_name'));
@@ -137,15 +139,15 @@ async function run(): Promise<void> {
       description: description,
       availableMemoryMb: availableMemoryMb ? +availableMemoryMb : undefined,
       buildEnvironmentVariables: buildEnvironmentVariables,
-      // buildWorkerPool: buildWorkerPool, // TODO: add support
+      buildWorkerPool: buildWorkerPool,
       dockerRepository: dockerRepository,
       entryPoint: entryPoint,
       environmentVariables: environmentVariables,
       ingressSettings: ingressSettings,
       kmsKeyName: kmsKeyName,
       labels: labels,
       maxInstances: maxInstances ? +maxInstances : undefined,
-      // minInstances: minInstances ? + minInstances : undefined, // TODO: add support
+      minInstances: minInstances ? +minInstances : undefined,
       // network: network, // TODO: add support
       serviceAccountEmail: serviceAccountEmail,
       // sourceToken: sourceToken, // TODO: add support