forked from serverless/serverless
/
updateStack.js
151 lines (124 loc) · 5.25 KB
/
updateStack.js
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'use strict';
const BbPromise = require('bluebird');
const getS3EndpointForRegion = require('../utils/getS3EndpointForRegion');
const NO_UPDATE_MESSAGE = 'No updates are to be performed.';
module.exports = {
createFallback() {
this.createLater = false;
this.serverless.cli.log('Creating Stack...');
const stackName = this.provider.naming.getStackName();
let stackTags = { STAGE: this.provider.getStage() };
const compiledTemplateFileName = this.provider.naming.getCompiledTemplateS3Suffix();
const s3Endpoint = getS3EndpointForRegion(this.provider.getRegion());
const templateUrl = `https://${s3Endpoint}/${this.bucketName}/${this.serverless.service.package.artifactDirectoryName}/${compiledTemplateFileName}`;
// Merge additional stack tags
if (this.serverless.service.provider.stackTags) {
const customKeys = Object.keys(this.serverless.service.provider.stackTags);
const collisions = Object.keys(stackTags).filter(defaultKey =>
customKeys.some(key => defaultKey.toLowerCase() === key.toLowerCase())
);
// Delete collisions upfront
for (const key of collisions) {
delete stackTags[key];
}
stackTags = Object.assign(stackTags, this.serverless.service.provider.stackTags);
}
const params = {
StackName: stackName,
OnFailure: 'DELETE',
Capabilities: ['CAPABILITY_IAM', 'CAPABILITY_NAMED_IAM'],
Parameters: [],
TemplateURL: templateUrl,
Tags: Object.keys(stackTags).map(key => ({ Key: key, Value: stackTags[key] })),
};
if (
this.serverless.service.provider.compiledCloudFormationTemplate &&
this.serverless.service.provider.compiledCloudFormationTemplate.Transform
) {
params.Capabilities.push('CAPABILITY_AUTO_EXPAND');
}
if (this.serverless.service.provider.cfnRole) {
params.RoleARN = this.serverless.service.provider.cfnRole;
}
if (this.serverless.service.provider.notificationArns) {
params.NotificationARNs = this.serverless.service.provider.notificationArns;
}
if (this.serverless.service.provider.stackParameters) {
params.Parameters = this.serverless.service.provider.stackParameters;
}
return this.provider
.request('CloudFormation', 'createStack', params)
.then(cfData => this.monitorStack('create', cfData));
},
update() {
const compiledTemplateFileName = this.provider.naming.getCompiledTemplateS3Suffix();
const s3Endpoint = getS3EndpointForRegion(this.provider.getRegion());
const templateUrl = `https://${s3Endpoint}/${this.bucketName}/${this.serverless.service.package.artifactDirectoryName}/${compiledTemplateFileName}`;
this.serverless.cli.log('Updating Stack...');
const stackName = this.provider.naming.getStackName();
let stackTags = { STAGE: this.provider.getStage() };
// Merge additional stack tags
if (this.serverless.service.provider.stackTags) {
const customKeys = Object.keys(this.serverless.service.provider.stackTags);
const collisions = Object.keys(stackTags).filter(defaultKey =>
customKeys.some(key => defaultKey.toLowerCase() === key.toLowerCase())
);
// Delete collisions upfront
for (const key of collisions) {
delete stackTags[key];
}
stackTags = Object.assign(stackTags, this.serverless.service.provider.stackTags);
}
const params = {
StackName: stackName,
Capabilities: ['CAPABILITY_IAM', 'CAPABILITY_NAMED_IAM'],
Parameters: [],
TemplateURL: templateUrl,
Tags: Object.keys(stackTags).map(key => ({ Key: key, Value: stackTags[key] })),
};
if (
this.serverless.service.provider.compiledCloudFormationTemplate &&
this.serverless.service.provider.compiledCloudFormationTemplate.Transform
) {
params.Capabilities.push('CAPABILITY_AUTO_EXPAND');
}
if (this.serverless.service.provider.cfnRole) {
params.RoleARN = this.serverless.service.provider.cfnRole;
}
if (this.serverless.service.provider.notificationArns) {
params.NotificationARNs = this.serverless.service.provider.notificationArns;
}
if (this.serverless.service.provider.stackParameters) {
params.Parameters = this.serverless.service.provider.stackParameters;
}
// Policy must have at least one statement, otherwise no updates would be possible at all
if (
this.serverless.service.provider.stackPolicy &&
Object.keys(this.serverless.service.provider.stackPolicy).length
) {
params.StackPolicyBody = JSON.stringify({
Statement: this.serverless.service.provider.stackPolicy,
});
}
if (this.serverless.service.provider.rollbackConfiguration) {
params.RollbackConfiguration = this.serverless.service.provider.rollbackConfiguration;
}
return this.provider
.request('CloudFormation', 'updateStack', params)
.then(cfData => this.monitorStack('update', cfData))
.catch(e => {
if (e.message === NO_UPDATE_MESSAGE) {
return BbPromise.resolve();
}
throw e;
});
},
updateStack() {
return BbPromise.bind(this).then(() => {
if (this.createLater) {
return BbPromise.bind(this).then(this.createFallback);
}
return BbPromise.bind(this).then(this.update);
});
},
};