diff --git a/getUserFeatureFlag/main.go b/getUserFeatureFlag/main.go index 37deea4..83bb8b9 100644 --- a/getUserFeatureFlag/main.go +++ b/getUserFeatureFlag/main.go @@ -11,6 +11,7 @@ import ( lambda "github.com/aws/aws-lambda-go/lambda" "github.com/aws/aws-sdk-go/aws" "github.com/aws/aws-sdk-go/service/dynamodb" + "github.com/aws/aws-sdk-go/service/dynamodb/dynamodbattribute" ) func processGetById(userId string, flagId string) (*utils.FeatureFlagUserMappingResponse, error) { diff --git a/rateLimiterLambda/main.go b/rateLimiterLambda/main.go index d67efe3..3b75b0d 100644 --- a/rateLimiterLambda/main.go +++ b/rateLimiterLambda/main.go @@ -88,7 +88,7 @@ func handler(ctx context.Context, event json.RawMessage) (events.APIGatewayProxy var lambdaConcurrencyValue LambdaConcurrencyValue if err := json.Unmarshal(event, &lambdaConcurrencyValue); err != nil { return events.APIGatewayProxyResponse{ - Body: "Unable to read input", + Body: "Unable to read input", StatusCode: http.StatusBadRequest, }, nil } @@ -108,27 +108,27 @@ func handler(ctx context.Context, event json.RawMessage) (events.APIGatewayProxy for _, functionName := range request.FunctionNames { // Increment the WaitGroup counter wg.Add(1) - + // Start a goroutine to update the concurrency for the Lambda function go func(fn string) { defer wg.Done() - + input := &lambda.PutFunctionConcurrencyInput{ FunctionName: &fn, ReservedConcurrentExecutions: aws.Int64(int64(lambdaConcurrencyValue.IntValue)), } - + log.Println("Is the function name", fn) _, err := lambdaClient.PutFunctionConcurrency(input) if err != nil { log.Printf("Error in setting the concurrency for the lambda name %s: %v", fn, err) utils.ServerError(err) } - + log.Printf("Changed the reserved concurrency for the function %s to %d", fn, lambdaConcurrencyValue.IntValue) }(functionName) } - + // Wait for all goroutines to finish wg.Wait() return events.APIGatewayProxyResponse{ diff --git a/resetLimitLambda/Makefile b/resetLimitLambda/Makefile new file mode 100644 index 0000000..2e7d66c --- /dev/null +++ b/resetLimitLambda/Makefile @@ -0,0 +1,3 @@ +build-ResetLimitFunction: + GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -o bootstrap + cp ./bootstrap $(ARTIFACTS_DIR)/. \ No newline at end of file diff --git a/resetLimitLambda/go.mod b/resetLimitLambda/go.mod new file mode 100644 index 0000000..1ef7177 --- /dev/null +++ b/resetLimitLambda/go.mod @@ -0,0 +1,16 @@ +module rateLimiterLambda + +go 1.20 + +require ( + github.com/Real-Dev-Squad/feature-flag-backend v0.0.0-20231002185428-1ab29298fc37 + github.com/aws/aws-lambda-go v1.41.0 + github.com/aws/aws-sdk-go v1.44.323 +) + +replace github.com/Real-Dev-Squad/feature-flag-backend => /Users/mehul/oss/feature-flag-backend + +require ( + github.com/jmespath/go-jmespath v0.4.0 // indirect + github.com/joho/godotenv v1.5.1 // indirect +) diff --git a/resetLimitLambda/go.sum b/resetLimitLambda/go.sum new file mode 100644 index 0000000..6a90ea5 --- /dev/null +++ b/resetLimitLambda/go.sum @@ -0,0 +1,50 @@ +github.com/aws/aws-lambda-go v1.41.0 h1:l/5fyVb6Ud9uYd411xdHZzSf2n86TakxzpvIoz7l+3Y= +github.com/aws/aws-lambda-go v1.41.0/go.mod h1:jwFe2KmMsHmffA1X2R09hH6lFzJQxzI8qK17ewzbQMM= +github.com/aws/aws-sdk-go v1.44.323 h1:97/dn93DWrN1VfhAWQ2tV+xuE6oO/LO9rSsEsuC4PLU= +github.com/aws/aws-sdk-go v1.44.323/go.mod h1:aVsgQcEevwlmQ7qHE9I3h+dtQgpqhFB+i8Phjh7fkwI= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= +github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9YPoQUg= +github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo= +github.com/jmespath/go-jmespath/internal/testify v1.5.1 h1:shLQSRRSCCPj3f2gpwzGwWFoC7ycTf1rcQZHOlsJ6N8= +github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U= +github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0= +github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4= +github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= +github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= +github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= +github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/testify v1.8.2 h1:+h33VjcLVPDHtOdpUCuF+7gSuG3yGIftsP1YvFihtJ8= +github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY= +golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= +golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc= +golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4= +golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= +golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= +golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c= +golang.org/x/net v0.1.0 h1:hZ/3BUoy5aId7sCpA/Tc5lt8DkFgdVS2onTpJsZ/fl0= +golang.org/x/net v0.1.0/go.mod h1:Cx3nUiGt4eDBEyega/BKRp+/AlGL8hYe7U9odMt2Cco= +golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= +golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8= +golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8= +golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= +golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= +golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ= +golang.org/x/text v0.4.0 h1:BrVqGRd7+k1DiOgtnFvAkoQEWQvBc25ouMJM6429SFg= +golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8= +golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= +golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc= +golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10= +gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= diff --git a/resetLimitLambda/main.go b/resetLimitLambda/main.go new file mode 100644 index 0000000..e3f1ab3 --- /dev/null +++ b/resetLimitLambda/main.go @@ -0,0 +1,197 @@ +package main + +import ( + "context" + "encoding/json" + "log" + "net/http" + "os" + "sync" + + "github.com/Real-Dev-Squad/feature-flag-backend/database" + "github.com/Real-Dev-Squad/feature-flag-backend/models" + "github.com/Real-Dev-Squad/feature-flag-backend/utils" + "github.com/aws/aws-lambda-go/events" + lambda1 "github.com/aws/aws-lambda-go/lambda" + "github.com/aws/aws-sdk-go/aws" + "github.com/aws/aws-sdk-go/aws/session" + "github.com/aws/aws-sdk-go/service/dynamodb" + "github.com/aws/aws-sdk-go/service/dynamodb/dynamodbattribute" + lambda "github.com/aws/aws-sdk-go/service/lambda" +) + +type Request struct { + FunctionNames []string `json:"functionNames"` +} + +type LambdaConcurrencyValue struct { + IntValue int `json:"intValue"` +} + +type ConcurrencyLimitRequest struct { + PendingLimit int16 `json:"pendingLimit"` +} + +var createFeatureFlagFunctionName string +var getUserFeatureFlagFunctionName string +var createUserFeatureFlagFunctionName string +var getAllFeatureFlagsFunctionName string +var getUserFeatureFlagsFunctionName string +var updateFeatureFlagFunctionName string +var getFeatureFlagFunctionName string +var getUserFeatureFlagFunction string +var requestLimitTableName = "requestLimit" + +func init() { + env, found := os.LookupEnv(utils.ENV) + if !found { + log.Print("Env variable not set, making it by default PROD") + os.Setenv(utils.ENV, utils.PROD) + } + log.Printf("The env is %v", env) + + createFeatureFlagFunctionName, found = os.LookupEnv("CreateFeatureFlagFunction") + if !found { + log.Println("Create feature flag function name not being set") + } + + getUserFeatureFlagFunctionName, found = os.LookupEnv("GetUserFeatureFlagFunction") + if !found { + log.Println("Create feature flag function name not being set") + } + + createUserFeatureFlagFunctionName, found = os.LookupEnv("CreateUserFeatureFlagFunction") + if !found { + log.Println("Create user feature flag function name not being set") + } + + getUserFeatureFlagsFunctionName, found = os.LookupEnv("GetUserFeatureFlagsFunction") + if !found { + log.Println("get user feature flags function name not being set") + } + + getAllFeatureFlagsFunctionName, found = os.LookupEnv("GetAllFeatureFlagFunction") + if !found { + log.Println("get all feature flag function name not being set") + } + + updateFeatureFlagFunctionName, found = os.LookupEnv("UpdateFeatureFlagFunction") + if !found { + log.Println("Update feature flag function name not being set") + } + + getFeatureFlagFunctionName, found = os.LookupEnv("GetFeatureFlagFunction") + if !found { + log.Println("get feature flag function name not being set") + } +} + +func handler(ctx context.Context, event events.APIGatewayProxyRequest) (events.APIGatewayProxyResponse, error) { + var concurrencyLimitRequest ConcurrencyLimitRequest + if err := json.Unmarshal([]byte(event.Body), &concurrencyLimitRequest); err != nil { + return events.APIGatewayProxyResponse{ + Body: "Unable to read input", + StatusCode: http.StatusBadRequest, + }, nil + } + + sess, err := session.NewSession() + if err != nil { + log.Println("Error in creation of AWS session, please contact on #feature-flag-service discord channel.") + } + lambdaClient := lambda.New(sess) + + var request = Request{ + FunctionNames: []string{createFeatureFlagFunctionName, + createUserFeatureFlagFunctionName, + getFeatureFlagFunctionName, + getUserFeatureFlagFunctionName, + getAllFeatureFlagsFunctionName, + updateFeatureFlagFunctionName, + getUserFeatureFlagsFunctionName, + }, + } + + var wg sync.WaitGroup + for _, functionName := range request.FunctionNames { + wg.Add(1) + go func(fn string) { + defer wg.Done() + input := &lambda.DeleteFunctionConcurrencyInput{ + FunctionName: &fn, + } + _, err := lambdaClient.DeleteFunctionConcurrency(input) + if err != nil { + log.Printf("Error in resetting the concurrency for the lambda name %s: %v", fn, err) + utils.ServerError(err) + } + log.Printf("Reset the reserved concurrency for the function %s", fn) + }(functionName) + } + wg.Wait() + + err = updateConcurrencyLimitInDB(concurrencyLimitRequest.PendingLimit) + if err != nil { + return events.APIGatewayProxyResponse{ + Body: "Failed to update concurrency limit in database", + StatusCode: http.StatusInternalServerError, + }, nil + } + + return events.APIGatewayProxyResponse{ + Body: "Successfully updated concurrency limit", + StatusCode: http.StatusOK, + }, nil +} + +func updateConcurrencyLimitInDB(limit int16) error { + db := database.CreateDynamoDB() + + requestLimitInput := &dynamodb.GetItemInput{ + TableName: aws.String(requestLimitTableName), + Key: map[string]*dynamodb.AttributeValue{ + "limitType": { + S: aws.String("pendingLimit"), + }, + }, + } + + requestLimitResult, err := db.GetItem(requestLimitInput) + if err != nil { + log.Println(err, "is the error in request limit fetching") + } + + requestLimitResponse := new(models.RequestLimit) + err = dynamodbattribute.UnmarshalMap(requestLimitResult.Item, requestLimitResponse) + + if err != nil { + log.Println(err, "is the error") + } + + requestLimitUpdateInput := models.RequestLimit{ + LimitType: requestLimitResponse.LimitType, + LimitValue: limit, + } + + marshalledInput, err := dynamodbattribute.MarshalMap(requestLimitUpdateInput) + if err != nil { + log.Println("Error in marshalling the request") + } + + putItemInput := &dynamodb.PutItemInput{ + TableName: aws.String(requestLimitTableName), + Item: marshalledInput, + } + + _, err = db.PutItem(putItemInput) + if err != nil { + log.Println("Error in updating the request limit counters", err) + return nil + } + log.Println("The updated limit is ", requestLimitUpdateInput.LimitValue) + return nil +} + +func main() { + lambda1.Start(handler) +} diff --git a/template.yaml b/template.yaml index fc6c942..8e4c5ef 100644 --- a/template.yaml +++ b/template.yaml @@ -50,6 +50,23 @@ Resources: Path: /mark-concurrency-zero Method: PATCH + ResetLimitFunction: + Type: 'AWS::Serverless::Function' + Metadata: + BuildMethod: makefile + Properties: + CodeUri: resetLimitLambda/ + Handler: bootstrap + Runtime: provided.al2 + Architectures: + - x86_64 + Events: + CatchAll: + Type: Api + Properties: + Path: /reset-limit + Method: POST + GetFeatureFlagFunction: Type: 'AWS::Serverless::Function' Metadata: diff --git a/updateUserFeatureFlag/main.go b/updateUserFeatureFlag/main.go index fd1df07..79a8636 100644 --- a/updateUserFeatureFlag/main.go +++ b/updateUserFeatureFlag/main.go @@ -15,6 +15,7 @@ import ( "github.com/aws/aws-sdk-go/aws" "github.com/aws/aws-sdk-go/aws/awserr" "github.com/aws/aws-sdk-go/service/dynamodb" + "github.com/aws/aws-sdk-go/service/dynamodb/dynamodbattribute" "github.com/go-playground/validator/v10" ) @@ -29,7 +30,7 @@ func processUpdateByIds(userId string, flagId string, requestBody utils.UpdateFe db := database.CreateDynamoDB() utils.CheckRequestAllowed(db, utils.ConcurrencyDisablingLambda) - + input := &dynamodb.UpdateItemInput{ TableName: aws.String(utils.FEATURE_FLAG_USER_MAPPING_TABLE_NAME), Key: map[string]*dynamodb.AttributeValue{