handel-utils

Utility library for apps deployed using handel and
handel-codepipeline

Environment Variables

Functions to deal with environment variables injected by Handel

getVariable

Retrieves the value of an environment variable injected by Handel

Parameters:
- serviceType: the type of the service exporting the variable (for example 's3')
The valid service types are:
- dynamodb
- efs
- memcached
- mysql
- postgresql
- redis
- s3
- sns
- sqs

- serviceName: the name of the service as configured in your handel.yml file
- variableName: the variable to retrieve (for example 'BUCKET_NAME')

handelEnv

Retrieves environment variables injected into each service by Handel

Example result:
``
{
appName: 'TEST_APP',
envName: 'DEV',
serviceName: 'TESTARTIFACT',
serviceVersion: 'V1',
parameterStorePrefix: 'myapp.dev'
}
`




Parameter Store Values

Retrieve a set of values scoped under your Handel application from the AWS EC2 Parameter Store

fetchParameters

Retrieves values from EC2 Parameter Store

Parameters:
- AWS: An instance of the AWS node API. Be sure to set the region correctly.
- keyList: An array of keys to retrieve. Each one will be prefixed with the app name and
environment name from Handel.

Example:
`
const AWS = require('aws-sdk')
AWS.config.update({region: 'us-west-2'})

fetchParameters(AWS, ['mykey1', 'nested.key2']).then(data => {
/*
data will be equal to:
{
mykey1: 'MyValue1',
nested: {
key2: 'MyNestedValue2'
}
}
*/
})
``