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integration.ts
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integration.ts
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import * as _ from "lodash";
import {
cloudLinkAccountMutation,
cloudServiceIntegrationMutation,
fetchLinkedAccounts,
nerdgraphFetch
} from "./api";
import { fetchPolicy, waitForStatus } from "./utils";
export default class Integration {
public config: any;
public awsProvider: any;
public serverless: any;
public region: string;
private licenseKey: string;
constructor({ config, awsProvider, serverless, region, licenseKey }: any) {
this.config = config;
this.awsProvider = awsProvider;
this.serverless = serverless;
this.region = region;
this.licenseKey = licenseKey;
}
public async check() {
const {
accountId,
enableIntegration,
apiKey,
nrRegion,
proxy
} = this.config;
const {
linkedAccount = `New Relic Lambda Integration - ${accountId}`
} = this.config;
const integrationData = await nerdgraphFetch(
apiKey,
nrRegion,
fetchLinkedAccounts(accountId),
proxy
);
const linkedAccounts = _.get(
integrationData,
"data.actor.account.cloud.linkedAccounts",
[]
);
const externalId = await this.getCallerIdentity();
const match = linkedAccounts.filter(account => {
return (
account.name === linkedAccount &&
account.externalId === externalId &&
account.nrAccountId === parseInt(accountId, 10)
);
});
if (match.length < 1) {
this.serverless.cli.log(
"No New Relic AWS Lambda integration found for this New Relic linked account and aws account."
);
if (enableIntegration) {
this.enable(externalId);
return;
}
this.serverless.cli.log(
"Please enable the configuration manually or add the 'enableIntegration' config var to your serverless.yaml file."
);
return;
}
this.serverless.cli.log(
"Existing New Relic integration found for this linked account and aws account, skipping creation."
);
}
public async checkForManagedSecretPolicy() {
const thisRegionPolicy = `NewRelic-ViewLicenseKey-${this.region}`;
const regionFilter = policy => policy.PolicyName.match(thisRegionPolicy);
try {
const params = {
Scope: `Local`
};
const results = await this.awsProvider.request(
"IAM",
"listPolicies",
params
);
const currentRegionPolicy = results.Policies.filter(regionFilter);
return {
currentRegionPolicy,
secretExists: currentRegionPolicy.length > 0
};
} catch (err) {
this.serverless.cli.log(
`Problem getting list of current policies. ${JSON.stringify(err)}`
);
}
}
public async createManagedSecret() {
const stackName = `NewRelicLicenseKeySecret`;
const policyName = `NewRelic-ViewLicenseKey`;
const externalId = await this.getCallerIdentity();
const policyArn = `arn:aws:iam::${externalId}:policy/${policyName}-${this.region}`;
try {
const policy = await fetchPolicy("nr-license-key-secret.yaml");
const params = {
Capabilities: ["CAPABILITY_NAMED_IAM"],
Parameters: [
{
ParameterKey: "LicenseKey",
ParameterValue: this.licenseKey
},
{
ParameterKey: "Region",
ParameterValue: this.region
},
{
ParameterKey: "PolicyName",
ParameterValue: policyName
}
],
StackName: stackName,
TemplateBody: policy
};
const { StackId } = await this.awsProvider.request(
"CloudFormation",
"createStack",
params
);
return { stackId: StackId, stackName, policyName, policyArn };
} catch (err) {
// If the secret already exists, we'll see an error, but we populate
// a return value anyway to avoid falling back to the env var.
if (
`${err}`.indexOf("NewRelicLicenseKeySecret") > -1 &&
`${err}`.indexOf("already exists") > -1
) {
this.serverless.cli.log(JSON.stringify(err));
return { stackId: "already created", stackName, policyName };
}
this.serverless.cli.log(
`Something went wrong while creating NewRelicLicenseKeySecret: ${err}`
);
}
return false;
}
private async enable(externalId: string) {
try {
const roleArn = await this.checkAwsIntegrationRole(externalId);
if (!roleArn) {
return;
}
const { accountId, apiKey, nrRegion, proxy } = this.config;
const {
linkedAccount = `New Relic Lambda Integration - ${accountId}`
} = this.config;
this.serverless.cli.log(
`Enabling New Relic integration for linked account: ${linkedAccount} and aws account: ${externalId}.`
);
const res = await nerdgraphFetch(
apiKey,
nrRegion,
cloudLinkAccountMutation(accountId, roleArn, linkedAccount),
proxy
);
const { linkedAccounts, errors } = _.get(res, "data.cloudLinkAccount", {
errors: ["data.cloudLinkAccount missing in response"]
});
if (errors && errors.length) {
throw new Error(JSON.stringify(errors));
}
const linkedAccountId = _.get(linkedAccounts, "[0].id");
const integrationRes = await nerdgraphFetch(
apiKey,
nrRegion,
cloudServiceIntegrationMutation(
accountId,
"aws",
"lambda",
linkedAccountId
),
proxy
);
const { errors: integrationErrors } = _.get(
integrationRes,
"data.cloudConfigureIntegration",
{
errors: ["data.cloudConfigureIntegration missing in response"]
}
);
if (integrationErrors && integrationErrors.length) {
throw new Error(JSON.stringify(integrationErrors));
}
this.serverless.cli.log(
`New Relic AWS Lambda cloud integration created successfully.`
);
} catch (err) {
this.serverless.cli.log(
`Error while creating the New Relic AWS Lambda cloud integration: ${err}.`
);
}
}
private async getCallerIdentity() {
try {
const { Account } = await this.awsProvider.request(
"STS",
"getCallerIdentity",
{}
);
return Account;
} catch (err) {
this.serverless.cli.log(
"No AWS config found, please configure a default AWS config."
);
}
}
private async checkAwsIntegrationRole(externalId: string) {
const { accountId } = this.config;
if (!accountId) {
this.serverless.cli.log(
"No New Relic Account ID specified; Cannot check for required NewRelicLambdaIntegrationRole."
);
return;
}
try {
const params = {
RoleName: `NewRelicLambdaIntegrationRole_${accountId}`
};
const {
Role: { Arn }
} = await this.awsProvider.request("IAM", "getRole", params);
return Arn;
} catch (err) {
this.serverless.cli.log(
"The required NewRelicLambdaIntegrationRole cannot be found; Creating Stack with NewRelicLambdaIntegrationRole."
);
const stackId = await this.createCFStack(accountId);
waitForStatus(
{
awsMethod: "describeStacks",
callbackMethod: () => this.enable(externalId),
methodParams: {
StackName: stackId
},
statusPath: "Stacks[0].StackStatus"
},
this
);
}
}
private async createCFStack(accountId: string) {
const stackName = `NewRelicLambdaIntegrationRole-${accountId}`;
const { customRolePolicy = "" } = this.config;
try {
const policy = await fetchPolicy("nr-lambda-integration-role.yaml");
const params = {
Capabilities: ["CAPABILITY_NAMED_IAM"],
Parameters: [
{
ParameterKey: "NewRelicAccountNumber",
ParameterValue: accountId.toString()
},
{ ParameterKey: "PolicyName", ParameterValue: customRolePolicy }
],
StackName: stackName,
TemplateBody: policy
};
const { StackId } = await this.awsProvider.request(
"CloudFormation",
"createStack",
params
);
return StackId;
} catch (err) {
this.serverless.cli.log(
`Something went wrong while creating NewRelicLambdaIntegrationRole: ${JSON.stringify(
err
)}`
);
}
}
}