This service is a small poc microservice that can maintain different models supported by IOT device management service. It can maintain updated device models like CISCO, Polycom etc. It can be deployed as a AWS lambda serverless REST API or a gRPC service in containerized environments.
formanojhr/DeviceModelService
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The default command in the included Makefile will gather your dependencies and build the proper binaries for your functions. Build ===== 1.devicemodelservice mramakrishnan$ make build Makefile:44: warning: overriding commands for target `deploy' Makefile:26: warning: ignoring old commands for target `deploy' dep ensure -v env GOOS=linux go build -ldflags="-s -w" -o .aws-sam/build/devicemodelfunction/devicemodel devicemodel/main.go Now you should see an updated devicemodel binary under .aws-sam/devicemodelfunction/devicemodel Local Deploy ============ make api Makefile:44: warning: overriding commands for target `deploy' Makefile:26: warning: ignoring old commands for target `deploy' dep ensure -v env GOOS=linux go build -ldflags="-s -w" -o .aws-sam/build/devicemodelfunction/devicemodel devicemodel/main.go sam local start-api Local Test API ============== Hit curl -v http://127.0.0.1:3000/devicemodels Response : * Trying 127.0.0.1... * TCP_NODELAY set * Connected to 127.0.0.1 (127.0.0.1) port 3000 (#0) > GET /devicemodels HTTP/1.1 > Host: 127.0.0.1:3000 > User-Agent: curl/7.54.0 ......... [{"modelName":"Trio","ModelNumber":"8300","DeviceType":"IPPHONE","DeviceTypeUUID":"f957617b-e773-4864-95f1-df82a6fe5e09","Vendor":"Polycom","TypePatterns":null},{"modelName":"IP Phone","ModelNumber":"7800", "DeviceType":"IPPHONE","DeviceTypeUUID":"89c4e433-34ac-4063-8c03-e32d08e1b748","Vendor":"CISCO","TypePatterns":null}] On process console you should see the serverless go directory being mounted : Mounting DeviceModelFunction at http://127.0.0.1:3000/devicemodels [GET] You can now browse to the above endpoints to invoke your functions. You do not need to restart/reload SAM CLI while working on your functions, changes will be reflected instantly/automatically. You only need to restart SAM CLI if you update your AWS SAM template 2020-08-18 14:52:14 * Running on http://127.0.0.1:3000/ (Press CTRL+C to quit) Invoking devicemodel (go1.x) Fetching lambci/lambda:go1.x Docker container image...... Mounting /Users/mramakrishnan/Documents/workspaces/go/src/DeviceModelService/devicemodelservice/.aws-sam/build/DeviceModelFunction as /var/task:ro,delegated inside runtime container START RequestId: 9cf64e41-3867-154b-3145-c4c8745c1a94 Version: $LATEST Getting all models... END RequestId: 9cf64e41-3867-154b-3145-c4c8745c1a94 REPORT RequestId: 9cf64e41-3867-154b-3145-c4c8745c1a94 Init Duration: 130.50 ms Duration: 4.10 ms Billed Duration: 100 ms Memory Size: 128 MB Max Memory Used: 22 MB No Content-Type given. Defaulting to 'application/json'. 2020-08-18 14:52:18 127.0.0.1 - - [18/Aug/2020 14:52:18] "GET /devicemodels HTTP/1.1" 200 - Similarly to query model name: curl http://127.0.0.1:3000/devicemodels?name=Trio {"modelName":"Trio","ModelNumber":"8300","DeviceType":"IPPHONE","DeviceTypeUUID":"f957617b-e773-4864-95f1-df82a6fe5e09","Vendor":"Polycom","TypePatterns":["8300"]} AWS Lambda Deployment ===================== Use the makefile command package and deploy First time only : * Create a new S3 bucket for deployment artificats aws s3 mb s3://device-model-lambda Package the go binary into zip file and upload to the created S3 bucket sam package --template-file template.yaml --s3-bucket device-model-lambda --output-template-file packaged.yaml Now deployment the resources needed for the serverless function(including API Gateway) sam deploy --template-file packaged.yaml --stack-name devicemodelapi --capabilities CAPABILITY_IAM Output: #sam package --template-file --s3-bucket --output-template-file sam deploy --template-file packaged.yaml --stack-name devicemodelapi --capabilities CAPABILITY_IAM Deploying with following values =============================== Stack name : devicemodelapi Region : None Confirm changeset : False Deployment s3 bucket : None Capabilities : ["CAPABILITY_IAM"] Parameter overrides : {} Initiating deployment ===================== Waiting for changeset to be created.. CloudFormation stack changeset ------------------------------------------------------------------------------------------------------ Operation LogicalResourceId ResourceType ------------------------------------------------------------------------------------------------------ + Add DeviceModelFunctionGetRequestPer AWS::Lambda::Permission missionProd + Add DeviceModelFunctionRole AWS::IAM::Role + Add DeviceModelFunction AWS::Lambda::Function + Add ServerlessRestApiDeployment3493b AWS::ApiGateway::Deployment 7e1e9 + Add ServerlessRestApiProdStage AWS::ApiGateway::Stage + Add ServerlessRestApi AWS::ApiGateway::RestApi ------------------------------------------------------------------------------------------------------ Changeset created successfully. arn:aws:cloudformation:us-east-1:466137380188:changeSet/samcli-deploy1598404130/7b376e93-55b7-4d5a-915e-117745060687 2020-08-25 18:09:01 - Waiting for stack create/update to complete CloudFormation events from changeset ----------------------------------------------------------------------------------------------------- ResourceStatus ResourceType LogicalResourceId ResourceStatusReason ----------------------------------------------------------------------------------------------------- CREATE_IN_PROGRESS AWS::IAM::Role DeviceModelFunctionRole - CREATE_IN_PROGRESS AWS::IAM::Role DeviceModelFunctionRole Resource creation Initiated CREATE_COMPLETE AWS::IAM::Role DeviceModelFunctionRole - CREATE_IN_PROGRESS AWS::Lambda::Function DeviceModelFunction - CREATE_IN_PROGRESS AWS::Lambda::Function DeviceModelFunction Resource creation Initiated CREATE_COMPLETE AWS::Lambda::Function DeviceModelFunction - CREATE_IN_PROGRESS AWS::ApiGateway::RestAp ServerlessRestApi - i CREATE_IN_PROGRESS AWS::ApiGateway::RestAp ServerlessRestApi Resource creation i Initiated CREATE_COMPLETE AWS::ApiGateway::RestAp ServerlessRestApi - i CREATE_IN_PROGRESS AWS::ApiGateway::Deploy ServerlessRestApiDeploy - ment ment3493b7e1e9 CREATE_IN_PROGRESS AWS::Lambda::Permission DeviceModelFunctionGetR - equestPermissionProd CREATE_IN_PROGRESS AWS::ApiGateway::Deploy ServerlessRestApiDeploy Resource creation ment ment3493b7e1e9 Initiated CREATE_IN_PROGRESS AWS::Lambda::Permission DeviceModelFunctionGetR Resource creation equestPermissionProd Initiated CREATE_COMPLETE AWS::ApiGateway::Deploy ServerlessRestApiDeploy - ment ment3493b7e1e9 CREATE_IN_PROGRESS AWS::ApiGateway::Stage ServerlessRestApiProdSt - age CREATE_IN_PROGRESS AWS::ApiGateway::Stage ServerlessRestApiProdSt Resource creation age Initiated CREATE_COMPLETE AWS::ApiGateway::Stage ServerlessRestApiProdSt - age CREATE_COMPLETE AWS::Lambda::Permission DeviceModelFunctionGetR - equestPermissionProd CREATE_COMPLETE AWS::CloudFormation::St devicemodelapi - ack ----------------------------------------------------------------------------------------------------- CloudFormation outputs from deployed stack ------------------------------------------------------------------------------------------------------ Outputs ------------------------------------------------------------------------------------------------------ Key DeviceModelAPI Description API Gateway endpoint URL for Dev environment for First Function Value https://a1lgy5kwhh.execute-api.us-east-1.amazonaws.com/Dev/devicemodels/ Key DeviceModelFunction Description Device Model Dev ARN Value arn:aws:lambda:us-east-1:466137380188:function:devicemodelapi- DeviceModelFunction-1DPVGB483T42L Key DeviceModelFunctionIamRole Description Implicit IAM Role created for Device Model function Value arn:aws:iam::466137380188:role/devicemodelapi-DeviceModelFunctionRole- TMU245643EDJ ------------------------------------------------------------------------------------------------------ Successfully created/updated stack - devicemodelapi in None This was built using serverless framework which provides abstraction for serverless deployment across cloud providers. https://www.serverless.com/blog/framework-example-golang-lambda-support Project Created using go lambda template $ serverless create -t aws-go-dep -p myservice SERVERLESS framework deployment $ serverless deploy Serverless: Packaging service... Serverless: Excluding development dependencies... Serverless: Uploading CloudFormation file to S3... Serverless: Uploading artifacts... Serverless: Uploading service devicemodelservice.zip file to S3 (9.33 MB)... Serverless: Validating template... Serverless: Updating Stack... Serverless: Checking Stack update progress... .............. Serverless: Stack update finished... Service Information service: devicemodelservice stage: dev region: us-east-1 stack: devicemodelservice-dev resources: 11 api keys: None endpoints: GET - https://nyho0t9bfb.execute-api.us-east-1.amazonaws.com/dev/devicemodel Logging/Monitoring (from AWS) ================== serverless logs -f devicemodel -t START RequestId: be9fe3ab-09d9-4223-9b53-9ae2a9d382f5 Version: $LATEST Received body: END RequestId: be9fe3ab-09d9-4223-9b53-9ae2a9d382f5 REPORT RequestId: be9fe3ab-09d9-4223-9b53-9ae2a9d382f5 Duration: 0.53 ms Billed Duration: 100 ms Memory Size: 1024 MB Max Memory Used: 35 MB
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This service is a small poc microservice that can maintain different models supported by IOT device management service. It can maintain updated device models like CISCO, Polycom etc. It can be deployed as a AWS lambda serverless REST API or a gRPC service in containerized environments.
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