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Merge pull request #11 from Cognigy/feature/aws
added peter nann nodes
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,217 @@ | ||
| import { createNodeDescriptor, INodeFunctionBaseParams } from "@cognigy/extension-tools"; | ||
| // Load the SDK: | ||
| import * as AWS from 'aws-sdk'; | ||
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| export interface ILambdaInvokeParams extends INodeFunctionBaseParams { | ||
| config: { | ||
| connection: { | ||
| region: string; | ||
| accessKeyId: string; | ||
| secretAccessKey: string; | ||
| }; | ||
|
|
||
| functionName: string; | ||
| payload: string; | ||
| qualifier: string; | ||
| invocationType: "Event" | "RequestResponse" | "DryRun"; | ||
| logType: "None" | "Tail"; | ||
| clientContext: string; | ||
| outputInputKey: string; | ||
| outputContextKey: string; | ||
| }; | ||
| } | ||
|
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||
| export const lambdaInvokeNode = createNodeDescriptor({ | ||
| type: "lambdaInvoke", | ||
| defaultLabel: "Lambda Invoke", | ||
| fields: [ | ||
| { | ||
| key: "connection", | ||
| label: "AWS Connection", | ||
| type: "connection", | ||
| params: { | ||
| connectionType: "aws", | ||
| required: true | ||
| } | ||
| }, | ||
| { | ||
| key: "functionName", | ||
| label: "Function Name/ARN", | ||
| type: "cognigyText", | ||
| params: { | ||
| required: true | ||
| } | ||
| }, | ||
| { | ||
| key: "payload", | ||
| label: "Payload", | ||
| type: "json", | ||
| defaultValue: "", | ||
| }, | ||
| { | ||
| key: "qualifier", | ||
| label: "Qualifier (version or alias)", | ||
| type: "cognigyText", | ||
| params: { | ||
| required: false | ||
| } | ||
| }, | ||
| { | ||
| key: "invocationType", | ||
| label: "InvocationType", | ||
| type: "select", | ||
| defaultValue: "RequestResponse", | ||
| params: { | ||
| options: [ | ||
| { | ||
| label: "RequestResponse", | ||
| value: "RequestResponse" | ||
| }, | ||
| { | ||
| label: "Event", | ||
| value: "Event" | ||
| }, | ||
| { | ||
| label: "DryRun", | ||
| value: "DryRun" | ||
| }, | ||
| ] | ||
| } | ||
| }, | ||
| { | ||
| key: "logType", | ||
| label: "Log Type", | ||
| type: "select", | ||
| defaultValue: "None", | ||
| params: { | ||
| options: [ | ||
| { | ||
| label: "None", | ||
| value: "None" | ||
| }, | ||
| { | ||
| label: "Tail", | ||
| value: "Tail" | ||
| } | ||
| ] | ||
| } | ||
| }, | ||
| { | ||
| key: "clientContext", | ||
| label: "Client Context", | ||
| type: "json", | ||
| }, | ||
| { | ||
| key: "outputInputKey", | ||
| label: "Input Key (in ci) to store Result", | ||
| type: "cognigyText", | ||
| defaultValue: "awsLambdaInvokeResult", | ||
| }, | ||
| { | ||
| key: "outputContextKey", | ||
| label: "Context Key (in cc) to store Result", | ||
| type: "cognigyText", | ||
| defaultValue: "", | ||
| } | ||
| ], | ||
| sections: [ | ||
| { | ||
| // Having this in a section is temporary fix to JSON input not being labelled: | ||
| key: "payloadSection", | ||
| label: "Payload", | ||
| defaultCollapsed: false, | ||
| fields: [ | ||
| "payload", | ||
| ] | ||
| }, | ||
| { | ||
| key: "optionsSection", | ||
| label: "Lambda Invoke options", | ||
| defaultCollapsed: true, | ||
| fields: [ | ||
| "qualifier", | ||
| "invocationType", | ||
| "logType", | ||
| "clientContext" | ||
| ] | ||
| }, | ||
| { | ||
| key: "outputSection", | ||
| label: "Output", | ||
| defaultCollapsed: false, | ||
| fields: [ | ||
| "outputInputKey", | ||
| "outputContextKey", | ||
| ] | ||
| }, | ||
|
|
||
| ], | ||
| form: [ | ||
| { type: "field", key: "connection" }, | ||
| { type: "field", key: "functionName" }, | ||
| { type: "section", key: "payloadSection" }, | ||
| { type: "section", key: "optionsSection" }, | ||
| { type: "section", key: "outputSection" }, | ||
| ], | ||
| appearance: { | ||
| color: "#FF9900" | ||
| }, | ||
| function: async ({ cognigy, config }: ILambdaInvokeParams) => { | ||
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| const { connection, functionName, qualifier, payload, invocationType, logType, clientContext, outputInputKey, outputContextKey } = config; | ||
| if (!connection) throw new Error('aws.LambdaInvoke: The Connection data is missing.'); | ||
| if (!functionName) throw new Error('aws.LambdaInvoke: The Function Name is missing.'); | ||
|
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| const { region, accessKeyId, secretAccessKey } = connection; | ||
| if (!region) throw new Error(`aws.LambdaInvoke: AWS 'region' is missing from the connection data.`); | ||
| if (!accessKeyId) throw new Error(`aws.LambdaInvoke: AWS 'accessKeyId' is missing from the connection data.`); | ||
| if (!secretAccessKey) throw new Error(`aws.LambdaInvoke: AWS 'secretAccessKey' is missing from the connection data.`); | ||
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| AWS.config.update({ region, accessKeyId, secretAccessKey }); | ||
| const lambda = new AWS.Lambda(); | ||
|
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| let realPayload = payload; | ||
| // Payload must be a string: Force if not: | ||
| if (payload && typeof payload !== 'string') { | ||
| if (typeof payload === 'object') { | ||
| realPayload = JSON.stringify(payload); | ||
| } else { | ||
| realPayload = String(payload); | ||
| } | ||
| } | ||
|
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| const result = await lambda.invoke( | ||
| { | ||
| FunctionName: functionName, | ||
| Payload: realPayload || undefined, | ||
| Qualifier: qualifier || undefined, | ||
| InvocationType: invocationType || undefined, | ||
| LogType: logType || undefined, | ||
| ClientContext: clientContext || undefined | ||
| }) | ||
| .promise(); | ||
|
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| // Convert the result Payload from string to object: | ||
| if (result) { | ||
| if (result.Payload && typeof result.Payload === 'string') { | ||
| result.Payload = JSON.parse(result.Payload); | ||
| } | ||
| // If we have 'LogResult' (by way of LogType:'Tail'), then it's base64 encoded, up to 4kB: | ||
| // Let's unencode it: | ||
| if (result.LogResult) { | ||
| const buff = new Buffer(result.LogResult, 'base64'); | ||
| result.LogResult = buff.toString('ascii'); | ||
| } | ||
| } | ||
|
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| // Store the result in 0, 1 or both output keys, per user config: | ||
| if (outputInputKey) { | ||
| cognigy.input[outputInputKey] = result; | ||
| } | ||
| if (outputContextKey) { | ||
| cognigy.api.setContext(outputContextKey, result); | ||
| } | ||
| } | ||
| }); |
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