feat(layers): add support for the new ca-west-1 region

Author: rubenfonseca

.github/workflows/reusable_deploy_v2_layer_stack.yml

@@ -104,6 +104,8 @@ jobs:
             has_arm64_support: "true"
           - region: "ca-central-1"
             has_arm64_support: "true"
+          - region: "ca-west-1"
+            has_arm64_support: "false"
           - region: "eu-central-1"
             has_arm64_support: "true"
           - region: "eu-central-2"

docs/index.md

@@ -92,6 +92,7 @@ You can include Powertools for AWS Lambda (Python) Lambda Layer using [AWS Lambd
         | `ap-southeast-3` | [arn:aws:lambda:ap-southeast-3:017000801446:layer:AWSLambdaPowertoolsPythonV2:58](#){: .copyMe}:clipboard: |
         | `ap-southeast-4` | [arn:aws:lambda:ap-southeast-4:017000801446:layer:AWSLambdaPowertoolsPythonV2:58](#){: .copyMe}:clipboard: |
         | `ca-central-1`   | [arn:aws:lambda:ca-central-1:017000801446:layer:AWSLambdaPowertoolsPythonV2:58](#){: .copyMe}:clipboard:   |
+        | `ca-west-1`      | [arn:aws:lambda:ca-west-1:017000801446:layer:AWSLambdaPowertoolsPythonV2:58](#){: .copyMe}:clipboard:      |
         | `eu-central-1`   | [arn:aws:lambda:eu-central-1:017000801446:layer:AWSLambdaPowertoolsPythonV2:58](#){: .copyMe}:clipboard:   |
         | `eu-central-2`   | [arn:aws:lambda:eu-central-2:017000801446:layer:AWSLambdaPowertoolsPythonV2:58](#){: .copyMe}:clipboard:   |
         | `eu-north-1`     | [arn:aws:lambda:eu-north-1:017000801446:layer:AWSLambdaPowertoolsPythonV2:58](#){: .copyMe}:clipboard:     |

layer/scripts/layer-balancer/main.go

@@ -56,6 +56,7 @@ var regions = []string{
 	"ap-southeast-3",
 	"ap-southeast-4",
 	"ca-central-1",
+	"ca-west-1",
 	"eu-central-1",
 	"eu-central-2",
 	"eu-north-1",
@@ -75,7 +76,7 @@ var regions = []string{
 }
 
 // Add regions that only support x86_64
-var singleArchitectureRegions = []string{}
+var singleArchitectureRegions = []string{"ca-west-1"}
 
 // getLayerVersion returns the latest version of a layer in a region
 func getLayerVersion(ctx context.Context, layerName string, region string) (int64, error) {
@@ -149,6 +150,11 @@ func balanceRegionToVersion(ctx context.Context, region string, layer *LayerInfo
 		return fmt.Errorf("error getting layer version: %w", err)
 	}
 
+	if currentLayerVersion == 0 {
+		log.Printf("[%s] No layers found in region %s, stating with version 1", layer.Name, region)
+		currentLayerVersion = 1
+	}
+
 	cfg, err := config.LoadDefaultConfig(ctx, config.WithRegion(region))
 	if err != nil {
 		return err
@@ -172,7 +178,7 @@ func balanceRegionToVersion(ctx context.Context, region string, layer *LayerInfo
 					ZipFile: payload,
 				},
 				LayerName:          aws.String(layer.Name),
-				CompatibleRuntimes: []types.Runtime{types.RuntimePython37, types.RuntimePython38, types.RuntimePython39, types.RuntimePython310, types.RuntimePython311},
+				CompatibleRuntimes: []types.Runtime{types.RuntimePython37, types.RuntimePython38, types.RuntimePython39, types.RuntimePython310, types.RuntimePython311, types.RuntimePython312},
 				Description:        aws.String(layer.Description),
 				LicenseInfo:        aws.String("MIT-0"),
 			})
@@ -183,7 +189,7 @@ func balanceRegionToVersion(ctx context.Context, region string, layer *LayerInfo
 				},
 				LayerName:               aws.String(layer.Name),
 				CompatibleArchitectures: []types.Architecture{layer.Architecture},
-				CompatibleRuntimes:      []types.Runtime{types.RuntimePython37, types.RuntimePython38, types.RuntimePython39, types.RuntimePython310, types.RuntimePython311},
+				CompatibleRuntimes:      []types.Runtime{types.RuntimePython37, types.RuntimePython38, types.RuntimePython39, types.RuntimePython310, types.RuntimePython311, types.RuntimePython312},
 				Description:             aws.String(layer.Description),
 				LicenseInfo:             aws.String("MIT-0"),
 			})