@aws-cdk/aws-logs
Version:
The CDK Construct Library for AWS::Logs
174 lines • 24.8 kB
JavaScript
;
/* eslint-disable no-console */
Object.defineProperty(exports, "__esModule", { value: true });
exports.handler = void 0;
// eslint-disable-next-line import/no-extraneous-dependencies
const AWS = require("aws-sdk");
/**
* Creates a log group and doesn't throw if it exists.
*
* @param logGroupName the name of the log group to create.
* @param region to create the log group in
* @param options CloudWatch API SDK options.
*/
async function createLogGroupSafe(logGroupName, region, options) {
// If we set the log retention for a lambda, then due to the async nature of
// Lambda logging there could be a race condition when the same log group is
// already being created by the lambda execution. This can sometime result in
// an error "OperationAbortedException: A conflicting operation is currently
// in progress...Please try again."
// To avoid an error, we do as requested and try again.
let retryCount = options?.maxRetries == undefined ? 10 : options.maxRetries;
const delay = options?.retryOptions?.base == undefined ? 10 : options.retryOptions.base;
do {
try {
const cloudwatchlogs = new AWS.CloudWatchLogs({ apiVersion: '2014-03-28', region, ...options });
await cloudwatchlogs.createLogGroup({ logGroupName }).promise();
return;
}
catch (error) {
if (error.code === 'ResourceAlreadyExistsException') {
// The log group is already created by the lambda execution
return;
}
if (error.code === 'OperationAbortedException') {
if (retryCount > 0) {
retryCount--;
await new Promise(resolve => setTimeout(resolve, delay));
continue;
}
else {
// The log group is still being created by another execution but we are out of retries
throw new Error('Out of attempts to create a logGroup');
}
}
throw error;
}
} while (true); // exit happens on retry count check
}
/**
* Puts or deletes a retention policy on a log group.
*
* @param logGroupName the name of the log group to create
* @param region the region of the log group
* @param options CloudWatch API SDK options.
* @param retentionInDays the number of days to retain the log events in the specified log group.
*/
async function setRetentionPolicy(logGroupName, region, options, retentionInDays) {
// The same as in createLogGroupSafe(), here we could end up with the race
// condition where a log group is either already being created or its retention
// policy is being updated. This would result in an OperationAbortedException,
// which we will try to catch and retry the command a number of times before failing
let retryCount = options?.maxRetries == undefined ? 10 : options.maxRetries;
const delay = options?.retryOptions?.base == undefined ? 10 : options.retryOptions.base;
do {
try {
const cloudwatchlogs = new AWS.CloudWatchLogs({ apiVersion: '2014-03-28', region, ...options });
if (!retentionInDays) {
await cloudwatchlogs.deleteRetentionPolicy({ logGroupName }).promise();
}
else {
await cloudwatchlogs.putRetentionPolicy({ logGroupName, retentionInDays }).promise();
}
return;
}
catch (error) {
if (error.code === 'OperationAbortedException') {
if (retryCount > 0) {
retryCount--;
await new Promise(resolve => setTimeout(resolve, delay));
continue;
}
else {
// The log group is still being created by another execution but we are out of retries
throw new Error('Out of attempts to create a logGroup');
}
}
throw error;
}
} while (true); // exit happens on retry count check
}
async function handler(event, context) {
try {
console.log(JSON.stringify({ ...event, ResponseURL: '...' }));
// The target log group
const logGroupName = event.ResourceProperties.LogGroupName;
// The region of the target log group
const logGroupRegion = event.ResourceProperties.LogGroupRegion;
// Parse to AWS SDK retry options
const retryOptions = parseRetryOptions(event.ResourceProperties.SdkRetry);
if (event.RequestType === 'Create' || event.RequestType === 'Update') {
// Act on the target log group
await createLogGroupSafe(logGroupName, logGroupRegion, retryOptions);
await setRetentionPolicy(logGroupName, logGroupRegion, retryOptions, parseInt(event.ResourceProperties.RetentionInDays, 10));
if (event.RequestType === 'Create') {
// Set a retention policy of 1 day on the logs of this very function.
// Due to the async nature of the log group creation, the log group for this function might
// still be not created yet at this point. Therefore we attempt to create it.
// In case it is being created, createLogGroupSafe will handle the conflict.
const region = process.env.AWS_REGION;
await createLogGroupSafe(`/aws/lambda/${context.functionName}`, region, retryOptions);
// If createLogGroupSafe fails, the log group is not created even after multiple attempts.
// In this case we have nothing to set the retention policy on but an exception will skip
// the next line.
await setRetentionPolicy(`/aws/lambda/${context.functionName}`, region, retryOptions, 1);
}
}
await respond('SUCCESS', 'OK', logGroupName);
}
catch (e) {
console.log(e);
await respond('FAILED', e.message, event.ResourceProperties.LogGroupName);
}
function respond(responseStatus, reason, physicalResourceId) {
const responseBody = JSON.stringify({
Status: responseStatus,
Reason: reason,
PhysicalResourceId: physicalResourceId,
StackId: event.StackId,
RequestId: event.RequestId,
LogicalResourceId: event.LogicalResourceId,
Data: {
// Add log group name as part of the response so that it's available via Fn::GetAtt
LogGroupName: event.ResourceProperties.LogGroupName,
},
});
console.log('Responding', responseBody);
// eslint-disable-next-line @typescript-eslint/no-require-imports
const parsedUrl = require('url').parse(event.ResponseURL);
const requestOptions = {
hostname: parsedUrl.hostname,
path: parsedUrl.path,
method: 'PUT',
headers: { 'content-type': '', 'content-length': responseBody.length },
};
return new Promise((resolve, reject) => {
try {
// eslint-disable-next-line @typescript-eslint/no-require-imports
const request = require('https').request(requestOptions, resolve);
request.on('error', reject);
request.write(responseBody);
request.end();
}
catch (e) {
reject(e);
}
});
}
function parseRetryOptions(rawOptions) {
const retryOptions = {};
if (rawOptions) {
if (rawOptions.maxRetries) {
retryOptions.maxRetries = parseInt(rawOptions.maxRetries, 10);
}
if (rawOptions.base) {
retryOptions.retryOptions = {
base: parseInt(rawOptions.base, 10),
};
}
}
return retryOptions;
}
}
exports.handler = handler;
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"index.js","sourceRoot":"","sources":["index.ts"],"names":[],"mappings":";AAAA,+BAA+B;;;AAE/B,6DAA6D;AAC7D,+BAA+B;AAS/B;;;;;;GAMG;AACH,KAAK,UAAU,kBAAkB,CAAC,YAAoB,EAAE,MAAe,EAAE,OAAyB;IAChG,4EAA4E;IAC5E,4EAA4E;IAC5E,6EAA6E;IAC7E,4EAA4E;IAC5E,mCAAmC;IACnC,uDAAuD;IACvD,IAAI,UAAU,GAAG,OAAO,EAAE,UAAU,IAAI,SAAS,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,OAAO,CAAC,UAAU,CAAC;IAC5E,MAAM,KAAK,GAAG,OAAO,EAAE,YAAY,EAAE,IAAI,IAAI,SAAS,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,OAAO,CAAC,YAAY,CAAC,IAAI,CAAC;IACxF,GAAG;QACD,IAAI;YACF,MAAM,cAAc,GAAG,IAAI,GAAG,CAAC,cAAc,CAAC,EAAE,UAAU,EAAE,YAAY,EAAE,MAAM,EAAE,GAAG,OAAO,EAAE,CAAC,CAAC;YAChG,MAAM,cAAc,CAAC,cAAc,CAAC,EAAE,YAAY,EAAE,CAAC,CAAC,OAAO,EAAE,CAAC;YAChE,OAAO;SACR;QAAC,OAAO,KAAK,EAAE;YACd,IAAI,KAAK,CAAC,IAAI,KAAK,gCAAgC,EAAE;gBACnD,2DAA2D;gBAC3D,OAAO;aACR;YACD,IAAI,KAAK,CAAC,IAAI,KAAK,2BAA2B,EAAE;gBAC9C,IAAI,UAAU,GAAG,CAAC,EAAE;oBAClB,UAAU,EAAE,CAAC;oBACb,MAAM,IAAI,OAAO,CAAC,OAAO,CAAC,EAAE,CAAC,UAAU,CAAC,OAAO,EAAE,KAAK,CAAC,CAAC,CAAC;oBACzD,SAAS;iBACV;qBAAM;oBACL,sFAAsF;oBACtF,MAAM,IAAI,KAAK,CAAC,sCAAsC,CAAC,CAAC;iBACzD;aACF;YACD,MAAM,KAAK,CAAC;SACb;KACF,QAAQ,IAAI,EAAE,CAAC,oCAAoC;AACtD,CAAC;AAED;;;;;;;GAOG;AACH,KAAK,UAAU,kBAAkB,CAAC,YAAoB,EAAE,MAAe,EAAE,OAAyB,EAAE,eAAwB;IAC1H,0EAA0E;IAC1E,+EAA+E;IAC/E,8EAA8E;IAC9E,oFAAoF;IACpF,IAAI,UAAU,GAAG,OAAO,EAAE,UAAU,IAAI,SAAS,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,OAAO,CAAC,UAAU,CAAC;IAC5E,MAAM,KAAK,GAAG,OAAO,EAAE,YAAY,EAAE,IAAI,IAAI,SAAS,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,OAAO,CAAC,YAAY,CAAC,IAAI,CAAC;IACxF,GAAG;QACD,IAAI;YACF,MAAM,cAAc,GAAG,IAAI,GAAG,CAAC,cAAc,CAAC,EAAE,UAAU,EAAE,YAAY,EAAE,MAAM,EAAE,GAAG,OAAO,EAAE,CAAC,CAAC;YAChG,IAAI,CAAC,eAAe,EAAE;gBACpB,MAAM,cAAc,CAAC,qBAAqB,CAAC,EAAE,YAAY,EAAE,CAAC,CAAC,OAAO,EAAE,CAAC;aACxE;iBAAM;gBACL,MAAM,cAAc,CAAC,kBAAkB,CAAC,EAAE,YAAY,EAAE,eAAe,EAAE,CAAC,CAAC,OAAO,EAAE,CAAC;aACtF;YACD,OAAO;SAER;QAAC,OAAO,KAAK,EAAE;YACd,IAAI,KAAK,CAAC,IAAI,KAAK,2BAA2B,EAAE;gBAC9C,IAAI,UAAU,GAAG,CAAC,EAAE;oBAClB,UAAU,EAAE,CAAC;oBACb,MAAM,IAAI,OAAO,CAAC,OAAO,CAAC,EAAE,CAAC,UAAU,CAAC,OAAO,EAAE,KAAK,CAAC,CAAC,CAAC;oBACzD,SAAS;iBACV;qBAAM;oBACL,sFAAsF;oBACtF,MAAM,IAAI,KAAK,CAAC,sCAAsC,CAAC,CAAC;iBACzD;aACF;YACD,MAAM,KAAK,CAAC;SACb;KACF,QAAQ,IAAI,EAAE,CAAC,oCAAoC;AACtD,CAAC;AAEM,KAAK,UAAU,OAAO,CAAC,KAAkD,EAAE,OAA0B;IAC1G,IAAI;QACF,OAAO,CAAC,GAAG,CAAC,IAAI,CAAC,SAAS,CAAC,EAAE,GAAG,KAAK,EAAE,WAAW,EAAE,KAAK,EAAE,CAAC,CAAC,CAAC;QAE9D,uBAAuB;QACvB,MAAM,YAAY,GAAG,KAAK,CAAC,kBAAkB,CAAC,YAAY,CAAC;QAE3D,qCAAqC;QACrC,MAAM,cAAc,GAAG,KAAK,CAAC,kBAAkB,CAAC,cAAc,CAAC;QAE/D,iCAAiC;QACjC,MAAM,YAAY,GAAG,iBAAiB,CAAC,KAAK,CAAC,kBAAkB,CAAC,QAAQ,CAAC,CAAC;QAE1E,IAAI,KAAK,CAAC,WAAW,KAAK,QAAQ,IAAI,KAAK,CAAC,WAAW,KAAK,QAAQ,EAAE;YACpE,8BAA8B;YAC9B,MAAM,kBAAkB,CAAC,YAAY,EAAE,cAAc,EAAE,YAAY,CAAC,CAAC;YACrE,MAAM,kBAAkB,CAAC,YAAY,EAAE,cAAc,EAAE,YAAY,EAAE,QAAQ,CAAC,KAAK,CAAC,kBAAkB,CAAC,eAAe,EAAE,EAAE,CAAC,CAAC,CAAC;YAE7H,IAAI,KAAK,CAAC,WAAW,KAAK,QAAQ,EAAE;gBAClC,qEAAqE;gBACrE,2FAA2F;gBAC3F,6EAA6E;gBAC7E,4EAA4E;gBAC5E,MAAM,MAAM,GAAG,OAAO,CAAC,GAAG,CAAC,UAAU,CAAC;gBACtC,MAAM,kBAAkB,CAAC,eAAe,OAAO,CAAC,YAAY,EAAE,EAAE,MAAM,EAAE,YAAY,CAAC,CAAC;gBACtF,0FAA0F;gBAC1F,yFAAyF;gBACzF,iBAAiB;gBACjB,MAAM,kBAAkB,CAAC,eAAe,OAAO,CAAC,YAAY,EAAE,EAAE,MAAM,EAAE,YAAY,EAAE,CAAC,CAAC,CAAC;aAC1F;SACF;QAED,MAAM,OAAO,CAAC,SAAS,EAAE,IAAI,EAAE,YAAY,CAAC,CAAC;KAC9C;IAAC,OAAO,CAAC,EAAE;QACV,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC;QAEf,MAAM,OAAO,CAAC,QAAQ,EAAE,CAAC,CAAC,OAAO,EAAE,KAAK,CAAC,kBAAkB,CAAC,YAAY,CAAC,CAAC;KAC3E;IAED,SAAS,OAAO,CAAC,cAAsB,EAAE,MAAc,EAAE,kBAA0B;QACjF,MAAM,YAAY,GAAG,IAAI,CAAC,SAAS,CAAC;YAClC,MAAM,EAAE,cAAc;YACtB,MAAM,EAAE,MAAM;YACd,kBAAkB,EAAE,kBAAkB;YACtC,OAAO,EAAE,KAAK,CAAC,OAAO;YACtB,SAAS,EAAE,KAAK,CAAC,SAAS;YAC1B,iBAAiB,EAAE,KAAK,CAAC,iBAAiB;YAC1C,IAAI,EAAE;gBACJ,mFAAmF;gBACnF,YAAY,EAAE,KAAK,CAAC,kBAAkB,CAAC,YAAY;aACpD;SACF,CAAC,CAAC;QAEH,OAAO,CAAC,GAAG,CAAC,YAAY,EAAE,YAAY,CAAC,CAAC;QAExC,iEAAiE;QACjE,MAAM,SAAS,GAAG,OAAO,CAAC,KAAK,CAAC,CAAC,KAAK,CAAC,KAAK,CAAC,WAAW,CAAC,CAAC;QAC1D,MAAM,cAAc,GAAG;YACrB,QAAQ,EAAE,SAAS,CAAC,QAAQ;YAC5B,IAAI,EAAE,SAAS,CAAC,IAAI;YACpB,MAAM,EAAE,KAAK;YACb,OAAO,EAAE,EAAE,cAAc,EAAE,EAAE,EAAE,gBAAgB,EAAE,YAAY,CAAC,MAAM,EAAE;SACvE,CAAC;QAEF,OAAO,IAAI,OAAO,CAAC,CAAC,OAAO,EAAE,MAAM,EAAE,EAAE;YACrC,IAAI;gBACF,iEAAiE;gBACjE,MAAM,OAAO,GAAG,OAAO,CAAC,OAAO,CAAC,CAAC,OAAO,CAAC,cAAc,EAAE,OAAO,CAAC,CAAC;gBAClE,OAAO,CAAC,EAAE,CAAC,OAAO,EAAE,MAAM,CAAC,CAAC;gBAC5B,OAAO,CAAC,KAAK,CAAC,YAAY,CAAC,CAAC;gBAC5B,OAAO,CAAC,GAAG,EAAE,CAAC;aACf;YAAC,OAAO,CAAC,EAAE;gBACV,MAAM,CAAC,CAAC,CAAC,CAAC;aACX;QACH,CAAC,CAAC,CAAC;IACL,CAAC;IAED,SAAS,iBAAiB,CAAC,UAAe;QACxC,MAAM,YAAY,GAAoB,EAAE,CAAC;QACzC,IAAI,UAAU,EAAE;YACd,IAAI,UAAU,CAAC,UAAU,EAAE;gBACzB,YAAY,CAAC,UAAU,GAAG,QAAQ,CAAC,UAAU,CAAC,UAAU,EAAE,EAAE,CAAC,CAAC;aAC/D;YACD,IAAI,UAAU,CAAC,IAAI,EAAE;gBACnB,YAAY,CAAC,YAAY,GAAG;oBAC1B,IAAI,EAAE,QAAQ,CAAC,UAAU,CAAC,IAAI,EAAE,EAAE,CAAC;iBACpC,CAAC;aACH;SACF;QACD,OAAO,YAAY,CAAC;IACtB,CAAC;AACH,CAAC;AA3FD,0BA2FC","sourcesContent":["/* eslint-disable no-console */\n\n// eslint-disable-next-line import/no-extraneous-dependencies\nimport * as AWS from 'aws-sdk';\n// eslint-disable-next-line import/no-extraneous-dependencies\nimport type { RetryDelayOptions } from 'aws-sdk/lib/config-base';\n\ninterface SdkRetryOptions {\n  maxRetries?: number;\n  retryOptions?: RetryDelayOptions;\n}\n\n/**\n * Creates a log group and doesn't throw if it exists.\n *\n * @param logGroupName the name of the log group to create.\n * @param region to create the log group in\n * @param options CloudWatch API SDK options.\n */\nasync function createLogGroupSafe(logGroupName: string, region?: string, options?: SdkRetryOptions) {\n  // If we set the log retention for a lambda, then due to the async nature of\n  // Lambda logging there could be a race condition when the same log group is\n  // already being created by the lambda execution. This can sometime result in\n  // an error \"OperationAbortedException: A conflicting operation is currently\n  // in progress...Please try again.\"\n  // To avoid an error, we do as requested and try again.\n  let retryCount = options?.maxRetries == undefined ? 10 : options.maxRetries;\n  const delay = options?.retryOptions?.base == undefined ? 10 : options.retryOptions.base;\n  do {\n    try {\n      const cloudwatchlogs = new AWS.CloudWatchLogs({ apiVersion: '2014-03-28', region, ...options });\n      await cloudwatchlogs.createLogGroup({ logGroupName }).promise();\n      return;\n    } catch (error) {\n      if (error.code === 'ResourceAlreadyExistsException') {\n        // The log group is already created by the lambda execution\n        return;\n      }\n      if (error.code === 'OperationAbortedException') {\n        if (retryCount > 0) {\n          retryCount--;\n          await new Promise(resolve => setTimeout(resolve, delay));\n          continue;\n        } else {\n          // The log group is still being created by another execution but we are out of retries\n          throw new Error('Out of attempts to create a logGroup');\n        }\n      }\n      throw error;\n    }\n  } while (true); // exit happens on retry count check\n}\n\n/**\n * Puts or deletes a retention policy on a log group.\n *\n * @param logGroupName the name of the log group to create\n * @param region the region of the log group\n * @param options CloudWatch API SDK options.\n * @param retentionInDays the number of days to retain the log events in the specified log group.\n */\nasync function setRetentionPolicy(logGroupName: string, region?: string, options?: SdkRetryOptions, retentionInDays?: number) {\n  // The same as in createLogGroupSafe(), here we could end up with the race\n  // condition where a log group is either already being created or its retention\n  // policy is being updated. This would result in an OperationAbortedException,\n  // which we will try to catch and retry the command a number of times before failing\n  let retryCount = options?.maxRetries == undefined ? 10 : options.maxRetries;\n  const delay = options?.retryOptions?.base == undefined ? 10 : options.retryOptions.base;\n  do {\n    try {\n      const cloudwatchlogs = new AWS.CloudWatchLogs({ apiVersion: '2014-03-28', region, ...options });\n      if (!retentionInDays) {\n        await cloudwatchlogs.deleteRetentionPolicy({ logGroupName }).promise();\n      } else {\n        await cloudwatchlogs.putRetentionPolicy({ logGroupName, retentionInDays }).promise();\n      }\n      return;\n\n    } catch (error) {\n      if (error.code === 'OperationAbortedException') {\n        if (retryCount > 0) {\n          retryCount--;\n          await new Promise(resolve => setTimeout(resolve, delay));\n          continue;\n        } else {\n          // The log group is still being created by another execution but we are out of retries\n          throw new Error('Out of attempts to create a logGroup');\n        }\n      }\n      throw error;\n    }\n  } while (true); // exit happens on retry count check\n}\n\nexport async function handler(event: AWSLambda.CloudFormationCustomResourceEvent, context: AWSLambda.Context) {\n  try {\n    console.log(JSON.stringify({ ...event, ResponseURL: '...' }));\n\n    // The target log group\n    const logGroupName = event.ResourceProperties.LogGroupName;\n\n    // The region of the target log group\n    const logGroupRegion = event.ResourceProperties.LogGroupRegion;\n\n    // Parse to AWS SDK retry options\n    const retryOptions = parseRetryOptions(event.ResourceProperties.SdkRetry);\n\n    if (event.RequestType === 'Create' || event.RequestType === 'Update') {\n      // Act on the target log group\n      await createLogGroupSafe(logGroupName, logGroupRegion, retryOptions);\n      await setRetentionPolicy(logGroupName, logGroupRegion, retryOptions, parseInt(event.ResourceProperties.RetentionInDays, 10));\n\n      if (event.RequestType === 'Create') {\n        // Set a retention policy of 1 day on the logs of this very function.\n        // Due to the async nature of the log group creation, the log group for this function might\n        // still be not created yet at this point. Therefore we attempt to create it.\n        // In case it is being created, createLogGroupSafe will handle the conflict.\n        const region = process.env.AWS_REGION;\n        await createLogGroupSafe(`/aws/lambda/${context.functionName}`, region, retryOptions);\n        // If createLogGroupSafe fails, the log group is not created even after multiple attempts.\n        // In this case we have nothing to set the retention policy on but an exception will skip\n        // the next line.\n        await setRetentionPolicy(`/aws/lambda/${context.functionName}`, region, retryOptions, 1);\n      }\n    }\n\n    await respond('SUCCESS', 'OK', logGroupName);\n  } catch (e) {\n    console.log(e);\n\n    await respond('FAILED', e.message, event.ResourceProperties.LogGroupName);\n  }\n\n  function respond(responseStatus: string, reason: string, physicalResourceId: string) {\n    const responseBody = JSON.stringify({\n      Status: responseStatus,\n      Reason: reason,\n      PhysicalResourceId: physicalResourceId,\n      StackId: event.StackId,\n      RequestId: event.RequestId,\n      LogicalResourceId: event.LogicalResourceId,\n      Data: {\n        // Add log group name as part of the response so that it's available via Fn::GetAtt\n        LogGroupName: event.ResourceProperties.LogGroupName,\n      },\n    });\n\n    console.log('Responding', responseBody);\n\n    // eslint-disable-next-line @typescript-eslint/no-require-imports\n    const parsedUrl = require('url').parse(event.ResponseURL);\n    const requestOptions = {\n      hostname: parsedUrl.hostname,\n      path: parsedUrl.path,\n      method: 'PUT',\n      headers: { 'content-type': '', 'content-length': responseBody.length },\n    };\n\n    return new Promise((resolve, reject) => {\n      try {\n        // eslint-disable-next-line @typescript-eslint/no-require-imports\n        const request = require('https').request(requestOptions, resolve);\n        request.on('error', reject);\n        request.write(responseBody);\n        request.end();\n      } catch (e) {\n        reject(e);\n      }\n    });\n  }\n\n  function parseRetryOptions(rawOptions: any): SdkRetryOptions {\n    const retryOptions: SdkRetryOptions = {};\n    if (rawOptions) {\n      if (rawOptions.maxRetries) {\n        retryOptions.maxRetries = parseInt(rawOptions.maxRetries, 10);\n      }\n      if (rawOptions.base) {\n        retryOptions.retryOptions = {\n          base: parseInt(rawOptions.base, 10),\n        };\n      }\n    }\n    return retryOptions;\n  }\n}\n"]}