@gasket/plugin-happyfeet v6.46.8
@gasket/plugin-happyfeet
Integrates with happy-feet to add application instance termination when health metrics such as memory usage enter a bad state.
Installation
New apps
gasket create <app-name> --plugins @gasket/plugin-happyfeet
Existing apps
npm i @gasket/plugin-happyfeet
Modify the plugins
section of your gasket.config.js
:
module.exports = {
plugins: {
add: [
+ '@gasket/plugin-happyfeet'
]
}
}
Configuration
You can specify the various happy-feet config options in gasket.config.js
.
// gasket.config.js
module.exports = {
happyFeet: {
// https://github.com/asilvas/happy-feet#usage
escalationSoftLimitMin: 20, // 20s
escalationSoftLimitMax: 300, // 5min
uncaughtExceptionSoftLimit: 1,
uncaughtExceptionHardLimit: void 0,
rssSoftLimit: 0.9 * 1024 * 1024 * 1024, // ~900MB
rssHardLimit: 1.8 * 1024 * 1024 * 1024, // ~1.9GB
logOnUnhappy: true
}
};
Happy Feet for gasket has no default configuration.
Usage
You can call gasket.happyFeet directly to manually change the health status for any reason
by setting gasket.happyFeet.status = 'unhappy'
in any context that you have the gasket
object available to your function.
For example, you can define middleware to run before any healthchecks to define custom termination logic for things not included in the default metrics monitoring.
License
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