Hemera-stats package
Collect service and process stats from all hemera instances.
Schema extraction only works with the Joi validator. PR welcome!
Use cases:
- Get a list of all hemera instances and watch the internal behaviour (Memory, V8 internals, Environment, App-Name, Uptime)
- Get a list of all registered server actions and create an API Documentation
- Get a list of all registered server actions and create a realtime dashboard
If you want to get a list of all active subscriber, connections you can use the NATS HTTP Interface it will respond a JSON object.
Usage
const hemera = nats load: process: sampleInterval: 100 hemera
Monitoring
Pull
Subscribe for informations.
Process Info
Returns process informations.
The pattern is:
topic
: is the topic name to publish tostats
cmd
: is the command to executeprocessInfo
Example:
hemera
Result:
app: 'hemera-d1ce3ef6834eeac1' eventLoopDelay: 3487878993153572 heapUsed: 12137328 rss: 32841728 nodeEnv: 'development' uptime: 0193 ts: 1488632377418
Registered actions
Returns all registered server actions.
The pattern is:
topic
: is the topic name to publish tostats
cmd
: is the command to executeregisteredActions
Example:
hemera
Result:
"app": "hemera-97b748fab6b5d34b" "actions": "pattern": "topic": "math" "cmd": "add" "schema": "a": "description": "this key will match any number you give it" "notes": "this is special" "this is important" "tags": "default": 33 "required": true "examples": 1 "plugin": "core" "ts": 1488632377418
Push
Request for informations.
sendProcStats
Broadcast the process informations to the specific pattern.
Example:
hemera
sendActionStats
Broadcast the action informations to the specific pattern.
Example:
hemera