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r2s3-serverless.yaml
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r2s3-serverless.yaml
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Description: IVS Record to S3
Metadata:
AWS::CloudFormation::Interface:
ParameterGroups:
- Label:
default: IVS
Parameters:
- IvsChannelName
- Title
- Description
- Label:
default: API Gateway
Parameters:
- StageName
Outputs:
ApiGatewayStageUrl:
Description: The URL to invoke the API Gateway.
Value: !Sub 'https://${ApiGateway}.execute-api.${AWS::Region}.amazonaws.com/${StageName}'
IvsChannelArn:
Description: This is the ARN of the IVS channel.
Value: !Ref 'IVSChannel'
IvsChannelIngestEndpointOutput:
Description: Channel ingest endpoint, part of the definition of an ingest server,
used when you set up streaming software.
Value: !Sub
- rtmps://${Endpoint}/app
- Endpoint: !GetAtt 'IVSChannel.IngestEndpoint'
IvsChannelPlaybackUrlOutput:
Description: This is the channel playback URL.
Value: !GetAtt 'IVSChannel.PlaybackUrl'
IvsStorageBucketName:
Description: This is the name of the buckets where IVS will store your videos.
Value: !Ref 'IvsStorageBucket'
IvsStreamKey:
Description: Use this stream key to initiate a live stream. DO NOT store your
keys as stack outputs on a production environment.
Value: !GetAtt 'IVSStreamKey.Value'
IvsStreamKeyArn:
Description: The ARN of the Amazon IVS stream key associated with the channel.
Value: !Ref 'IVSStreamKey'
Parameters:
Description:
Default: Subtitle
Description: The subtitle of the live broadcasting.
MinLength: 1
Type: String
IvsChannelName:
Default: IVS-Channel
Description: The name of the IVS Channel.
Type: String
StageName:
Default: api
Description: A name for the stage that API Gateway creates with this deployment.
Use only alphanumeric characters.
MinLength: 1
Type: String
Title:
Default: Title
Description: The title of the live broadcasting.
MinLength: 1
Type: String
Resources:
ApiGateway:
Properties:
Cors:
AllowMethods: '''GET,POST,PUT,OPTIONS,DELETE'''
AllowOrigin: '''*'''
StageName: !Ref 'StageName'
Type: AWS::Serverless::Api
CheckLiveCronLambda:
Properties:
Environment:
Variables:
CHANNELS_TABLE_NAME: !Ref 'IVSChannelTable'
REGION: !Ref 'AWS::Region'
Handler: index.isLiveCron
InlineCode: !Join
- ''
- - "\n"
- "\n"
- "const AWS = require('aws-sdk');\n"
- "\n"
- "const {\n"
- " REGION,\n"
- " CHANNELS_TABLE_NAME\n"
- "\n"
- "} = process.env;\n"
- "\n"
- "\n"
- "const ivs = new AWS.IVS({\n"
- " apiVersion: '2020-07-14',\n"
- " REGION // Must be in one of the supported regions\n"
- " });\n"
- " \n"
- "\n"
- "const ddb = new AWS.DynamoDB();\n"
- "\n"
- "const response = (body, statusCode = 200) => {\n"
- " return {\n"
- " statusCode,\n"
- " headers: {\n"
- " 'Content-Type': 'application/json',\n"
- " 'Access-Control-Allow-Origin': '*'\n"
- " },\n"
- " body: JSON.stringify(body)\n"
- " };\n"
- " };\n"
- "\n"
- "const _updateDDBChannelIsLive = async (isLive, id, stream) => {\n"
- "\n"
- " try {\n"
- " const params = {\n"
- " TableName: CHANNELS_TABLE_NAME,\n"
- " Key: {\n"
- " 'Id': {\n"
- " S: id\n"
- " },\n"
- " },\n"
- " ExpressionAttributeNames: {\n"
- " '#IsLive': 'IsLive',\n"
- " '#ChannelStatus': 'ChannelStatus',\n"
- " '#Viewers': 'Viewers'\n"
- " },\n"
- " ExpressionAttributeValues: {\n"
- " ':isLive': {\n"
- " BOOL: isLive\n"
- " },\n"
- " ':channelStatus': {\n"
- " S: stream ? JSON.stringify(stream) : '{}'\n"
- " },\n"
- " ':viewers': {\n"
- " N: stream ? String(stream.viewerCount) : String(0)\n"
- " }\n"
- " },\n"
- " UpdateExpression: 'SET #IsLive = :isLive, #ChannelStatus = :channelStatus,\
\ #Viewers = :viewers',\n"
- " ReturnValues: \"ALL_NEW\"\n"
- " };\n"
- " \n"
- " console.info(\"_updateDDBChannelIsLive > params:\", JSON.stringify(params,\
\ null, 2));\n"
- " \n"
- " const result = await ddb.updateItem(params).promise();\n"
- " \n"
- " return result;\n"
- " } catch (err) {\n"
- " console.info(\"_updateDDBChannelIsLive > err:\", err, err.stack);\n"
- " throw new Error(err);\n"
- " }\n"
- " \n"
- " };\n"
- " \n"
- " const _isLive = async (counter) => {\n"
- " console.info(\"_isLive > counter:\", counter);\n"
- " \n"
- " const liveStreams = await ivs.listStreams({}).promise();\n"
- " console.info(\"_isLive > liveStreams:\", liveStreams);\n"
- " \n"
- " if (!liveStreams) {\n"
- " console.log(\"_isLive: No live streams. Nothing to check\");\n"
- " return;\n"
- " }\n"
- " \n"
- " const result = await ddb.scan({ TableName: CHANNELS_TABLE_NAME }).promise();\n"
- " if (!result.Items) {\n"
- " console.log(\"_isLive: No channels. Nothing to check\");\n"
- " return;\n"
- " }\n"
- " \n"
- " let len = result.Items.length;\n"
- " while (--len >= 0) {\n"
- " \n"
- " const channelArn = result.Items[len].ChannelArn.S;\n"
- " \n"
- " console.log(\"_isLive > channel:\", channelArn);\n"
- " const liveStream = liveStreams.streams.find(obj => obj.channelArn\
\ === channelArn);\n"
- " console.log(\"_isLive > liveStream:\", JSON.stringify(liveStream,\
\ null, 2));\n"
- " \n"
- " await _updateDDBChannelIsLive((liveStream ? true : false), result.Items[len].Id.S,\
\ liveStream);\n"
- " \n"
- " }\n"
- " };\n"
- " /* Cloudwatch event */\n"
- " exports.isLiveCron = async (event) => {\n"
- " console.log(\"isLiveCron event:\", JSON.stringify(event, null, 2));\n"
- " \n"
- " // Run three times before the next scheduled event every 1 minute\n"
- " const waitTime = 3 * 1000; // 3 seconds\n"
- " let i = 0;\n"
- " _isLive(i + 1); // run immediately\n"
- " for (i; i < 2; i++) {\n"
- " await new Promise(r => setTimeout(r, waitTime)); // wait 3 seconds\n"
- " console.log(\"isLiveCron event: waited 3 seconds\");\n"
- " _isLive(i + 1);\n"
- " }\n"
- " \n"
- " console.log(\"isLiveCron event: end\");\n"
- " \n"
- " return;\n"
- ' };'
Role: !GetAtt 'CheckLiveCronLambdaRole.Arn'
Runtime: nodejs16.x
Type: AWS::Serverless::Function
CheckLiveCronLambdaRole:
Properties:
AssumeRolePolicyDocument:
Statement:
- Action:
- sts:AssumeRole
Effect: Allow
Principal:
Service:
- lambda.amazonaws.com
ManagedPolicyArns:
- arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole
Policies:
- PolicyDocument:
Statement:
- Action:
- ivs:ListStreams
Effect: Allow
Resource:
- !Sub 'arn:aws:ivs:${AWS::Region}:${AWS::AccountId}:channel/*'
Version: '2012-10-17'
PolicyName: ivs-access
- PolicyDocument:
Statement:
- Action:
- dynamodb:GetItem
- dynamodb:UpdateItem
- dynamodb:ListTables
- dynamodb:Scan
Effect: Allow
Resource:
- !Sub 'arn:aws:dynamodb:${AWS::Region}:${AWS::AccountId}:table/${IVSChannelTable}'
Version: '2012-10-17'
PolicyName: dynamodb-access
Type: AWS::IAM::Role
CloudFrontBucketPolicy:
DependsOn:
- CloudFrontOriginAccessControl
Properties:
Bucket: !Ref 'IvsStorageBucket'
PolicyDocument:
Statement:
- Action: s3:GetObject
Effect: Allow
Resource:
- !Sub
- ${BucketArn}/*
- BucketArn: !GetAtt 'IvsStorageBucket.Arn'
Principal:
Service: cloudfront.amazonaws.com
Condition:
StringEquals:
AWS:SourceArn: !Sub arn:aws:cloudfront::${AWS::AccountId}:distribution/${CloudFrontDistribution}
Type: AWS::S3::BucketPolicy
CloudFrontDistribution:
DependsOn:
- CloudFrontOriginAccessControl
Properties:
DistributionConfig:
Comment: IVS Storage CloudFront Distribution
DefaultCacheBehavior:
AllowedMethods:
- GET
- HEAD
- POST
- PUT
- PATCH
- OPTIONS
- DELETE
ForwardedValues:
Headers:
- Access-Control-Request-Headers
- Access-Control-Request-Method
QueryString: 'false'
ResponseHeadersPolicyId: eaab4381-ed33-4a86-88ca-d9558dc6cd63
TargetOriginId: IVS Storage Origin
ViewerProtocolPolicy: allow-all
Enabled: 'true'
Origins:
- DomainName: !GetAtt 'IvsStorageBucket.RegionalDomainName'
Id: IVS Storage Origin
S3OriginConfig:
OriginAccessIdentity: ''
OriginAccessControlId: !GetAtt CloudFrontOriginAccessControl.Id
Type: AWS::CloudFront::Distribution
CloudFrontOriginAccessControl:
Type: AWS::CloudFront::OriginAccessControl
Properties:
OriginAccessControlConfig:
Description: R2S3 Demo Origin Access Control
Name: !Ref AWS::StackName
OriginAccessControlOriginType: s3
SigningBehavior: always
SigningProtocol: sigv4
CreateChannelLambdaRole:
Properties:
AssumeRolePolicyDocument:
Statement:
- Action:
- sts:AssumeRole
Effect: Allow
Principal:
Service:
- lambda.amazonaws.com
ManagedPolicyArns:
- arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole
Policies:
- PolicyDocument:
Statement:
- Action:
- ivs:GetChannel
- ivs:GetStream
Effect: Allow
Resource:
- !Ref 'IVSChannel'
- Action:
- ivs:CreateChannel
Effect: Allow
Resource:
- !Sub 'arn:aws:ivs:${AWS::Region}:${AWS::AccountId}:*'
- Action:
- ivs:GetStreamKey
Effect: Allow
Resource:
- !Ref 'IVSStreamKey'
Version: '2012-10-17'
PolicyName: ivs-streamkey-access
- PolicyDocument:
Statement:
- Action:
- dynamodb:GetItem
- dynamodb:PutItem
Effect: Allow
Resource:
- !Sub 'arn:aws:dynamodb:${AWS::Region}:${AWS::AccountId}:table/${IVSChannelTable}'
Version: '2012-10-17'
PolicyName: dynamodb-access
Type: AWS::IAM::Role
DeleteVideo:
Properties:
Environment:
Variables:
REGION: !Ref 'AWS::Region'
VIDEOS_TABLE_NAME: !Ref 'IVSVideoTable'
Events:
DeleteResource:
Properties:
Method: delete
Path: /video/{id}
RestApiId: !Ref 'ApiGateway'
Type: Api
Handler: index.deleteRecordedVideo
InlineCode: !Join
- ''
- - "const AWS = require('aws-sdk');\n"
- "\n"
- "const {\n"
- " REGION,\n"
- " VIDEOS_TABLE_NAME\n"
- "\n"
- "} = process.env;\n"
- "\n"
- "const ivs = new AWS.IVS({\n"
- " apiVersion: '2020-07-14',\n"
- " REGION // Must be in one of the supported regions\n"
- "});\n"
- "\n"
- "const S3 = new AWS.S3({\n"
- " apiVersion: '2006-03-01'\n"
- " });\n"
- "\n"
- "const ddb = new AWS.DynamoDB();\n"
- "\n"
- "const response = (body, statusCode = 200) => {\n"
- " return {\n"
- " statusCode,\n"
- " headers: {\n"
- " 'Content-Type': 'application/json',\n"
- " 'Access-Control-Allow-Origin': '*'\n"
- " },\n"
- " body: JSON.stringify(body)\n"
- " };\n"
- " };\n"
- "\n"
- "// DELETE /video/:id\n"
- "exports.deleteRecordedVideo = async (event) => {\n"
- " try {\n"
- " if (!event.pathParameters.id) {\n"
- " return response({ message: 'Missing id' }, 400);\n"
- " }\n"
- " \n"
- " let params = {\n"
- " TableName: VIDEOS_TABLE_NAME,\n"
- " Key: {\n"
- " \"Id\": {\n"
- " S: event.pathParameters.id\n"
- " }\n"
- " }\n"
- " \n"
- " };\n"
- " \n"
- " console.info(\"deleteRecordedVideo > params:\", params);\n"
- " \n"
- " let dbResult = await ddb.deleteItem(params).promise();\n"
- " \n"
- " return response({ dbResult });\n"
- " \n"
- " } catch (err) {\n"
- " \n"
- " console.info(\"deleteRecordedVideo > err:\", err);\n"
- " return response(err, 500);\n"
- " \n"
- " }\n"
- ' };'
Role: !GetAtt 'DeleteVideoLambdaRole.Arn'
Runtime: nodejs16.x
Type: AWS::Serverless::Function
DeleteVideoLambdaRole:
Properties:
AssumeRolePolicyDocument:
Statement:
- Action:
- sts:AssumeRole
Effect: Allow
Principal:
Service:
- lambda.amazonaws.com
ManagedPolicyArns:
- arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole
Policies:
- PolicyDocument:
Statement:
- Action:
- dynamodb:DeleteItem
- dynamodb:GetItem
Effect: Allow
Resource:
- !Sub 'arn:aws:dynamodb:${AWS::Region}:${AWS::AccountId}:table/${IVSVideoTable}'
Version: '2012-10-17'
PolicyName: dynamodb-access
Type: AWS::IAM::Role
GetLive:
Properties:
Environment:
Variables:
CHANNELS_TABLE_NAME: !Ref 'IVSChannelTable'
REGION: !Ref 'AWS::Region'
Events:
GetResource:
Properties:
Method: get
Path: /live
RestApiId: !Ref 'ApiGateway'
Type: Api
Handler: index.getLiveChannels
InlineCode: !Join
- ''
- - "const AWS = require('aws-sdk');\n"
- "\n"
- "const {\n"
- " REGION,\n"
- " CHANNELS_TABLE_NAME\n"
- "\n"
- "} = process.env;\n"
- "\n"
- "\n"
- "const ddb = new AWS.DynamoDB();\n"
- "\n"
- "const response = (body, statusCode = 200) => {\n"
- " return {\n"
- " statusCode,\n"
- " headers: {\n"
- " 'Content-Type': 'application/json',\n"
- " 'Access-Control-Allow-Origin': '*'\n"
- " },\n"
- " body: JSON.stringify(body)\n"
- " };\n"
- "};\n"
- "\n"
- "// GET /live\n"
- "exports.getLiveChannels = async (event) => {\n"
- " console.log(\"getLiveChannels:\", JSON.stringify(event, null, 2));\n"
- "\n"
- " try {\n"
- "\n"
- "\n"
- "\n"
- " if (event.queryStringParameters && event.queryStringParameters.channelName)\
\ {\n"
- " console.log(\"getLiveChannels > by channelName\");\n"
- " let params = {\n"
- " TableName: CHANNELS_TABLE_NAME,\n"
- " Key: {\n"
- " \"Id\": {\n"
- " S: event.queryStringParameters.channelName\n"
- " }\n"
- " }\n"
- "\n"
- " };\n"
- "\n"
- " console.info(\"getLiveChannels > by channelName > params:\", JSON.stringify(params,\
\ null, 2));\n"
- "\n"
- " const result = await ddb.getItem(params).promise();\n"
- "\n"
- " console.info(\"getLiveChannels > by channelName > result:\", JSON.stringify(result,\
\ null, 2));\n"
- "\n"
- " // empty\n"
- " if (!result.Item) {\n"
- " return response({});\n"
- " }\n"
- "\n"
- " // there is only one live stream per channel at time\n"
- " const stream = JSON.parse(result.Item.ChannelStatus.S);\n"
- " console.log(JSON.stringify(stream));\n"
- " // removes types\n"
- " const data = {\n"
- " \"data\": {\n"
- " id : result.Item.Id ? result.Item.Id.S : '',\n"
- " channelArn: result.Item.ChannelArn ? result.Item.ChannelArn.S\
\ : '',\n"
- " title: result.Item.Title ? result.Item.Title.S : '',\n"
- " subtitle: result.Item.Subtitle ? result.Item.Subtitle.S : '',\n"
- " thumbnail: '',\n"
- " isLive: result.Item.IsLive && result.Item.IsLive.BOOL ? 'Yes'\
\ : 'No',\n"
- " viewers: stream.viewerCount ? stream.viewerCount : 0,\n"
- " playbackUrl: result.Item.PlaybackUrl ? result.Item.PlaybackUrl.S\
\ : ''\n"
- " }\n"
- " };\n"
- "\n"
- " console.info(\"getLiveChannels > by channelName > response:\",\
\ JSON.stringify(data, null, 2));\n"
- "\n"
- " return response(data);\n"
- " }\n"
- "\n"
- " console.log(\"getLiveChannels > list\");\n"
- "\n"
- " const scanParams = {\n"
- " \"TableName\": CHANNELS_TABLE_NAME\n"
- " };\n"
- "\n"
- "\n"
- "\n"
- " console.info(\"getLiveChannels > list > params:\", JSON.stringify(scanParams,\
\ null, 2));\n"
- "\n"
- " const result = await ddb.scan(scanParams).promise();\n"
- "\n"
- " console.info(\"getLiveChannels > list > result:\", JSON.stringify(result,\
\ null, 2));\n"
- "\n"
- " // empty\n"
- " if (!result.Items) {\n"
- " return response([]);\n"
- " }\n"
- "\n"
- " // removes types\n"
- " let channelLive = result.Items[0];\n"
- " let stream = {};\n"
- " try {\n"
- " stream = JSON.parse(channelLive.ChannelStatus.S);\n"
- " } catch (err) { }\n"
- "\n"
- " const data = {\n"
- " \"data\": {\n"
- " id : channelLive.Id ? channelLive.Id.S : '',\n"
- " channelArn: channelLive.ChannelArn ? channelLive.ChannelArn.S\
\ : '',\n"
- " title: channelLive.Title ? channelLive.Title.S : '',\n"
- " subtitle: channelLive.Subtitle ? channelLive.Subtitle.S : '',\n"
- " thumbnail: '',\n"
- " isLive: channelLive.IsLive && channelLive.IsLive.BOOL ? 'Yes'\
\ : 'No',\n"
- " viewers: stream.viewerCount ? stream.viewerCount : 0,\n"
- " playbackUrl: result.Items[0].PlaybackUrl ? result.Items[0].PlaybackUrl.S\
\ : ''\n"
- " }\n"
- " };\n"
- "\n"
- " console.info(\"getLiveChannels > list > response:\", JSON.stringify(data,\
\ null, 2));\n"
- "\n"
- " return response(data);\n"
- "\n"
- " } catch (err) {\n"
- " console.info(\"getLiveChannels > err:\", err);\n"
- " return response(err, 500);\n"
- " }\n"
- "};\n"
Policies: AmazonDynamoDBReadOnlyAccess
Runtime: nodejs16.x
Type: AWS::Serverless::Function
GetLiveDetails:
Properties:
Environment:
Variables:
CHANNELS_TABLE_NAME: !Ref 'IVSChannelTable'
REGION: !Ref 'AWS::Region'
Events:
GetResource:
Properties:
Method: get
Path: /live-details
RestApiId: !Ref 'ApiGateway'
Type: Api
Handler: index.getLiveChannelDetails
InlineCode: !Join
- ''
- - "\n"
- "const AWS = require('aws-sdk');\n"
- "\n"
- "const {\n"
- " REGION,\n"
- " CHANNELS_TABLE_NAME\n"
- "\n"
- "} = process.env;\n"
- "\n"
- "const ivs = new AWS.IVS({\n"
- " apiVersion: '2020-07-14',\n"
- " REGION // Must be in one of the supported regions\n"
- "});\n"
- "\n"
- "const ddb = new AWS.DynamoDB();\n"
- "\n"
- "const response = (body, statusCode = 200) => {\n"
- " return {\n"
- " statusCode,\n"
- " headers: {\n"
- " 'Content-Type': 'application/json',\n"
- " 'Access-Control-Allow-Origin': '*'\n"
- " },\n"
- " body: JSON.stringify(body)\n"
- " };\n"
- " };\n"
- "// GET /live-details\n"
- "exports.getLiveChannelDetails = async (event) => {\n"
- " console.log(\"getLiveChannelDetails:\", JSON.stringify(event, null,\
\ 2));\n"
- " \n"
- " try {\n"
- " \n"
- " if (!event.queryStringParameters.channelName) {\n"
- " return response({ message: 'Missing channelName' }, 400);\n"
- " }\n"
- " \n"
- " let params = {\n"
- " TableName: CHANNELS_TABLE_NAME,\n"
- " Key: {\n"
- " \"Id\": {\n"
- " S: event.queryStringParameters.channelName\n"
- " }\n"
- " }\n"
- " };\n"
- " \n"
- " console.info(\"getLiveChannelDetails > by channelName > params:\"\
, JSON.stringify(params, null, 2));\n"
- " \n"
- " const result = await ddb.getItem(params).promise();\n"
- " \n"
- " console.info(\"getLiveChannelDetails > by channelName > result:\"\
, JSON.stringify(result, null, 2));\n"
- " \n"
- " // empty\n"
- " if (!result.Item) {\n"
- " return response({});\n"
- " }\n"
- " \n"
- " console.log(`channel ${JSON.stringify(result)}`);\n"
- " \n"
- " const channel = result.Item;\n"
- " \n"
- " const streamObj = await ivs.getStreamKey({ arn: channel.StreamArn.S\
\ }).promise();\n"
- " const channelObj = await ivs.getChannel({ arn: channel.ChannelArn.S\
\ }).promise();\n"
- " \n"
- " console.log(`stream object ${JSON.stringify(streamObj)}`);\n"
- " console.log(`channel object ${JSON.stringify(channelObj)}`);\n"
- " \n"
- " const finalResult = {\n"
- " \"data\": {\n"
- " ingest: channelObj.channel.ingestEndpoint,\n"
- " key: streamObj.streamKey.value\n"
- " }\n"
- " };\n"
- " \n"
- " console.info(\"getLiveChannelDetails > by channelName > response:\"\
, JSON.stringify(finalResult, null, 2));\n"
- " return response(finalResult, 200);\n"
- " \n"
- " \n"
- " } catch (err) {\n"
- " \n"
- " console.info(\"getLiveChannelDetails > err:\", err);\n"
- " return response(err, 500);\n"
- " \n"
- " }\n"
- ' };'
Role: !GetAtt 'GetLiveDetailsLambdaRole.Arn'
Runtime: nodejs16.x
Type: AWS::Serverless::Function
GetLiveDetailsLambdaRole:
Properties:
AssumeRolePolicyDocument:
Statement:
- Action:
- sts:AssumeRole
Effect: Allow
Principal:
Service:
- lambda.amazonaws.com
ManagedPolicyArns:
- arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole
Policies:
- PolicyDocument:
Statement:
- Action:
- ivs:ListStreamsKeys
- ivs:GetChannel
- ivs:GetStream
Effect: Allow
Resource:
- !Ref 'IVSChannel'
- Action:
- ivs:GetStreamKey
Effect: Allow
Resource:
- !Sub 'arn:aws:ivs:${AWS::Region}:${AWS::AccountId}:stream-key/*'
Version: '2012-10-17'
PolicyName: ivs-streamkey-access
- PolicyDocument:
Statement:
- Action:
- dynamodb:GetItem
- dynamodb:Query
Effect: Allow
Resource:
- !Sub 'arn:aws:dynamodb:${AWS::Region}:${AWS::AccountId}:table/${IVSChannelTable}'
Version: '2012-10-17'
PolicyName: dynamodb-access
Type: AWS::IAM::Role
GetVideo:
Properties:
Environment:
Variables:
REGION: !Ref 'AWS::Region'
VIDEOS_TABLE_NAME: !Ref 'IVSVideoTable'
Events:
PutResource:
Properties:
Method: get
Path: /video/{id}
RestApiId: !Ref 'ApiGateway'
Type: Api
Handler: index.getVideos
InlineCode: !Join
- ''
- - "\n"
- "const AWS = require('aws-sdk');\n"
- "\n"
- "const {\n"
- " REGION,\n"
- " VIDEOS_TABLE_NAME\n"
- "\n"
- "} = process.env;\n"
- "\n"
- "const ddb = new AWS.DynamoDB();\n"
- "\n"
- "const response = (body, statusCode = 200) => {\n"
- " return {\n"
- " statusCode,\n"
- " headers: {\n"
- " 'Content-Type': 'application/json',\n"
- " 'Access-Control-Allow-Origin': '*'\n"
- " },\n"
- " body: JSON.stringify(body)\n"
- " };\n"
- " };\n"
- "\n"
- "// GET /videos and /video/:id\n"
- "exports.getVideos = async (event) => {\n"
- " console.log(\"getVideos:\", JSON.stringify(event, null, 2));\n"
- " \n"
- " try {\n"
- " \n"
- " \n"
- " if (event.pathParameters && event.pathParameters.id) {\n"
- " console.log(\"getVideos > by id\");\n"
- " \n"
- " const params = {\n"
- " TableName: VIDEOS_TABLE_NAME,\n"
- " Key: {\n"
- " 'Id': {\n"
- " 'S': event.pathParameters.id\n"
- " }\n"
- " }\n"
- " };\n"
- " \n"
- " console.info(\"getVideos > by id > params:\", JSON.stringify(params,\
\ null, 2));\n"
- " \n"
- " const result = await ddb.getItem(params).promise();\n"
- " \n"
- " console.info(\"getVideos > by id > result:\", JSON.stringify(result,\
\ null, 2));\n"
- " \n"
- " // empty\n"
- " if (!result.Item) {\n"
- " return response(null, 404);\n"
- " }\n"
- " \n"
- " // removes types\n"
- " const filtered = {\n"
- " title: result.Item.Title ? result.Item.Title.S : '',\n"
- " subtitle: result.Item.Subtitle ? result.Item.Subtitle.S : '',\n"
- " id: result.Item.Id.S,\n"
- " created_on: result.Item.CreatedOn ? result.Item.CreatedOn.S\
\ : '',\n"
- " playbackUrl: result.Item.PlaybackUrl ? result.Item.PlaybackUrl.S\
\ : '',\n"
- " thumbnail: result.Item.Thumbnail ? result.Item.Thumbnail.S\
\ : '',\n"
- " thumbnails: result.Item.Thumbnails ? result.Item.Thumbnails.SS\
\ : [],\n"
- " views: result.Item.Viewers ? result.Item.Viewers.N : 0,\n"
- " length: result.Item.Length ? result.Item.Length.S : ''\n"
- " };\n"
- " \n"
- " \n"
- " \n"
- " console.info(\"getVideos > by Id > response:\", JSON.stringify(filtered,\
\ null, 2));\n"
- " \n"
- " return response(filtered);\n"
- " \n"
- " }\n"
- " \n"
- " const result = await ddb.scan({ TableName: VIDEOS_TABLE_NAME }).promise();\n"
- " \n"
- " \n"
- " console.info(\"getVideos > result:\", JSON.stringify(result, null,\
\ 2));\n"
- " \n"
- " // empty\n"
- " if (!result.Items) {\n"
- " return response({ \"vods\": [] });\n"
- " }\n"
- " \n"
- " // removes types\n"
- " let filteredItem;\n"
- " let filteredItems = [];\n"
- " let prop;\n"
- " for (prop in result.Items) {\n"
- " filteredItem = {\n"
- " id: result.Items[prop].Id.S,\n"
- " title: result.Items[prop].Title.S,\n"
- " subtitle: result.Items[prop].Subtitle.S,\n"
- " created_on: result.Items[prop].CreatedOn.S,\n"
- " playbackUrl: result.Items[prop].PlaybackUrl.S,\n"
- " thumbnail: result.Items[prop].Thumbnail ? result.Items[prop].Thumbnail.S\
\ : '',\n"
- " thumbnails: result.Items[prop].Thumbnails ? result.Items[prop].Thumbnails.SS\
\ : [],\n"
- " views: result.Items[prop].Viewers ? result.Items[prop].Viewers.N\
\ : 0,\n"
- " length: result.Items[prop].Length ? result.Items[prop].Length.S\
\ : ''\n"
- " };\n"
- " \n"
- " \n"
- " filteredItems.push(filteredItem);\n"
- " \n"
- " }\n"
- " \n"
- " console.info(\"getVideos > response:\", JSON.stringify(filteredItems,\
\ null, 2));\n"
- " return response({ \"vods\": filteredItems });\n"
- " \n"
- " } catch (err) {\n"
- " \n"
- " console.info(\"getVideos > err:\", err);\n"
- " return response(err, 500);\n"
- " \n"
- " }\n"
- ' };'
Policies:
- DynamoDBReadPolicy
Role: !GetAtt 'GetVideoLambdaRole.Arn'
Runtime: nodejs16.x
Type: AWS::Serverless::Function
GetVideoLambdaRole:
Properties:
AssumeRolePolicyDocument:
Statement:
- Action:
- sts:AssumeRole
Effect: Allow
Principal:
Service:
- lambda.amazonaws.com
ManagedPolicyArns:
- arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole
Policies:
- PolicyDocument:
Statement:
- Action:
- ivs:ListStreams
- ivs:GetStream
Effect: Allow
Resource:
- !Ref 'IVSChannel'
Version: '2012-10-17'
PolicyName: ivs-streamkey-access
- PolicyDocument:
Statement:
- Action:
- dynamodb:GetItem
- dynamodb:Query
Effect: Allow
Resource:
- !Sub 'arn:aws:dynamodb:${AWS::Region}:${AWS::AccountId}:table/${IVSVideoTable}'
Version: '2012-10-17'
PolicyName: dynamodb-access
Type: AWS::IAM::Role
GetVideos:
Properties:
Environment:
Variables:
REGION: !Ref 'AWS::Region'
VIDEOS_TABLE_NAME: !Ref 'IVSVideoTable'
Events:
GetResource:
Properties:
Method: get
Path: /videos
RestApiId: !Ref 'ApiGateway'
Type: Api
Handler: index.getVideos
InlineCode: !Join
- ''
- - "\n"
- "const AWS = require('aws-sdk');\n"
- "\n"
- "const {\n"
- " REGION,\n"
- " VIDEOS_TABLE_NAME\n"
- "\n"
- "} = process.env;\n"
- "\n"
- "const ddb = new AWS.DynamoDB();\n"
- "\n"
- "const response = (body, statusCode = 200) => {\n"
- " return {\n"
- " statusCode,\n"
- " headers: {\n"
- " 'Content-Type': 'application/json',\n"
- " 'Access-Control-Allow-Origin': '*'\n"
- " },\n"
- " body: JSON.stringify(body)\n"
- " };\n"
- " };\n"
- "\n"
- "// GET /videos and /video/:id\n"
- "exports.getVideos = async (event) => {\n"
- " console.log(\"getVideos:\", JSON.stringify(event, null, 2));\n"
- " \n"
- " try {\n"
- " \n"
- " \n"
- " if (event.pathParameters && event.pathParameters.id) {\n"
- " console.log(\"getVideos > by id\");\n"
- " \n"
- " const params = {\n"
- " TableName: VIDEOS_TABLE_NAME,\n"
- " Key: {\n"
- " 'Id': {\n"
- " 'S': event.pathParameters.id\n"
- " }\n"
- " }\n"
- " };\n"
- " \n"
- " console.info(\"getVideos > by id > params:\", JSON.stringify(params,\
\ null, 2));\n"
- " \n"
- " const result = await ddb.getItem(params).promise();\n"
- " \n"
- " console.info(\"getVideos > by id > result:\", JSON.stringify(result,\
\ null, 2));\n"
- " \n"
- " // empty\n"