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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,184 @@ | ||
| // Copyright Nitric Pty Ltd. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // 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. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package websocket | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| "github.com/pulumi/pulumi-aws/sdk/v5/go/aws/apigatewayv2" | ||
| awslambda "github.com/pulumi/pulumi-aws/sdk/v5/go/aws/lambda" | ||
| "github.com/pulumi/pulumi/sdk/v3/go/pulumi" | ||
|
|
||
| "github.com/nitrictech/nitric/cloud/aws/deploy/exec" | ||
| common "github.com/nitrictech/nitric/cloud/common/deploy/tags" | ||
| ) | ||
|
|
||
| type AwsWebsocketApiGatewayArgs struct { | ||
| DefaultTarget *exec.LambdaExecUnit | ||
| ConnectTarget *exec.LambdaExecUnit | ||
| DisconnectTarget *exec.LambdaExecUnit | ||
|
|
||
| StackID pulumi.StringInput | ||
| } | ||
|
|
||
| type AwsWebsocketApiGateway struct { | ||
| pulumi.ResourceState | ||
|
|
||
| Name string | ||
| Api *apigatewayv2.Api | ||
| } | ||
|
|
||
| func NewAwsWebsocketApiGateway(ctx *pulumi.Context, name string, args *AwsWebsocketApiGatewayArgs, opts ...pulumi.ResourceOption) (*AwsWebsocketApiGateway, error) { | ||
| res := &AwsWebsocketApiGateway{Name: name} | ||
|
|
||
| err := ctx.RegisterComponentResource("nitric:websocket:AwsApiGateway", name, res, opts...) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| opts = append(opts, pulumi.Parent(res)) | ||
|
|
||
| res.Api, err = apigatewayv2.NewApi(ctx, name, &apigatewayv2.ApiArgs{ | ||
| ProtocolType: pulumi.String("WEBSOCKET"), | ||
| Tags: common.Tags(ctx, args.StackID, name), | ||
| // TODO: We won't actually be using this, but it is required. | ||
| // Instead we'll be using the $default route | ||
| RouteSelectionExpression: pulumi.String("$request.body.action"), | ||
| }, opts...) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| // Create the API integrations | ||
| integrationDefault, err := apigatewayv2.NewIntegration(ctx, fmt.Sprintf("%s-default-integration", name), &apigatewayv2.IntegrationArgs{ | ||
| ApiId: res.Api.ID(), | ||
| IntegrationType: pulumi.String("AWS_PROXY"), | ||
| IntegrationUri: args.DefaultTarget.Function.Arn, | ||
| }) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| _, err = awslambda.NewPermission(ctx, fmt.Sprintf("%s-default-permission", name), &awslambda.PermissionArgs{ | ||
| Function: args.DefaultTarget.Function.Name, | ||
| Action: pulumi.String("lambda:InvokeFunction"), | ||
| Principal: pulumi.String("apigateway.amazonaws.com"), | ||
| SourceArn: pulumi.Sprintf("%s/*/*", res.Api.ExecutionArn), | ||
| }, opts...) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| // check if the function name is different if not assign to default | ||
| integrationConnect := integrationDefault | ||
| if args.ConnectTarget != args.DefaultTarget { | ||
| integrationConnect, err = apigatewayv2.NewIntegration(ctx, fmt.Sprintf("%s-connect-integration", name), &apigatewayv2.IntegrationArgs{ | ||
| ApiId: res.Api.ID(), | ||
| IntegrationType: pulumi.String("AWS_PROXY"), | ||
| IntegrationUri: args.ConnectTarget.Function.Arn, | ||
| }) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| _, err = awslambda.NewPermission(ctx, fmt.Sprintf("%s-connect-permission", name), &awslambda.PermissionArgs{ | ||
| Function: args.DefaultTarget.Function.Name, | ||
| Action: pulumi.String("lambda:InvokeFunction"), | ||
| Principal: pulumi.String("apigateway.amazonaws.com"), | ||
| SourceArn: pulumi.Sprintf("%s/*/*", res.Api.ExecutionArn), | ||
| }, opts...) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| } | ||
|
|
||
| // check if the function name is different if not assign to default | ||
| integrationDisconnect := integrationDefault | ||
| if args.DisconnectTarget != args.DefaultTarget { | ||
| integrationDisconnect, err = apigatewayv2.NewIntegration(ctx, fmt.Sprintf("%s-disconnect-integration", name), &apigatewayv2.IntegrationArgs{ | ||
| ApiId: res.Api.ID(), | ||
| IntegrationType: pulumi.String("AWS_PROXY"), | ||
| IntegrationUri: args.DisconnectTarget.Function.Arn, | ||
| }) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| _, err = awslambda.NewPermission(ctx, fmt.Sprintf("%s-disconnect-permission", name), &awslambda.PermissionArgs{ | ||
| Function: args.DefaultTarget.Function.Name, | ||
| Action: pulumi.String("lambda:InvokeFunction"), | ||
| Principal: pulumi.String("apigateway.amazonaws.com"), | ||
| SourceArn: pulumi.Sprintf("%s/*/*", res.Api.ExecutionArn), | ||
| }, opts...) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| } | ||
|
|
||
| // Create the routes for the websocket handler | ||
| // The default message route | ||
| _, err = apigatewayv2.NewRoute(ctx, fmt.Sprintf("%s-default-route", name), &apigatewayv2.RouteArgs{ | ||
| ApiId: res.Api.ID(), | ||
| RouteKey: pulumi.String("$default"), | ||
| Target: pulumi.Sprintf("integrations/%s", integrationDefault.ID()), | ||
| }) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| // The client connection route | ||
| _, err = apigatewayv2.NewRoute(ctx, fmt.Sprintf("%s-connect-route", name), &apigatewayv2.RouteArgs{ | ||
| ApiId: res.Api.ID(), | ||
| RouteKey: pulumi.String("$connect"), | ||
| Target: pulumi.Sprintf("integrations/%s", integrationConnect.ID()), | ||
| }) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| // the client disconnection route | ||
| _, err = apigatewayv2.NewRoute(ctx, fmt.Sprintf("%s-disconnect-route", name), &apigatewayv2.RouteArgs{ | ||
| ApiId: res.Api.ID(), | ||
| RouteKey: pulumi.String("$disconnect"), | ||
| Target: pulumi.Sprintf("integrations/%s", integrationDisconnect.ID()), | ||
| }) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| _, err = apigatewayv2.NewStage(ctx, name+"DefaultStage", &apigatewayv2.StageArgs{ | ||
| AutoDeploy: pulumi.BoolPtr(true), | ||
| Name: pulumi.String("$default"), | ||
| ApiId: res.Api.ID(), | ||
| Tags: common.Tags(ctx, args.StackID, name+"DefaultStage"), | ||
| }, opts...) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| endPoint := res.Api.ApiEndpoint.ApplyT(func(ep string) string { | ||
| return ep | ||
| }).(pulumi.StringInput) | ||
|
|
||
| ctx.Export("api:"+name, endPoint) | ||
|
|
||
| return res, nil | ||
| } |
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