serverless-offline-msk
Version:
A serverless offline plugin that enables AWS MSK events
62 lines (56 loc) • 2 kB
JavaScript
;
const ensureString = require('type/string/ensure');
const _ = require('lodash');
const ServerlessError = require('../../../../serverless-error');
module.exports = (serverlessInstance) => {
return {
resolve: async ({ address, params }) => {
// cf(region = null):stackName.outputLogicalId
if (!address) {
throw new ServerlessError(
'Missing address argument in variable "cf" source',
'MISSING_SLS_SOURCE_ADDRESS'
);
}
address = ensureString(address, {
Error: ServerlessError,
errorMessage: 'Non-string address argument in variable "cf" source: %v',
errorCode: 'INVALID_CF_SOURCE_ADDRESS',
});
const separatorIndex = address.indexOf('.');
if (separatorIndex === -1) {
throw new ServerlessError(
`Unsupported "${address}" address argument in variable "cf" source. ` +
'Expected "<stack-name>.<output-id>" format',
'UNSUPPORTED_SLS_SOURCE_ADDRESS'
);
}
const stackName = address.slice(0, separatorIndex);
const outputLogicalId = address.slice(separatorIndex + 1);
const result = await (async () => {
try {
return await serverlessInstance
.getProvider('aws')
.request(
'CloudFormation',
'describeStacks',
{ StackName: stackName },
{ useCache: true, region: params && params[0] }
);
} catch (error) {
if (
error.code === 'AWS_CLOUD_FORMATION_DESCRIBE_STACKS_VALIDATION_ERROR' &&
error.message.includes('does not exist')
) {
return null;
}
throw error;
}
})();
if (!result) return { value: null };
const outputs = result.Stacks[0].Outputs;
const output = outputs.find((x) => x.OutputKey === outputLogicalId);
return { value: _.get(output, 'OutputValue', null) };
},
};
};