mirror of
https://github.com/ClusterCockpit/cc-metric-collector.git
synced 2024-09-20 07:27:25 +02:00
be20f956c2
* InfiniBandCollector: Scale raw readings from octets to bytes * Fix clock frequency coming from LikwidCollector and update docs * Build DEB package for Ubuntu 20.04 for releases * Fix memstat collector with numa_stats option * Remove useless prints from MemstatCollector * Replace ioutils with os and io (#87) * Use lower case for error strings in RocmSmiCollector * move maybe-usable-by-other-cc-components to pkg. Fix all files to use the new paths (#88) * Add collector for monitoring the execution of cc-metric-collector itself (#81) * Add collector to monitor execution of cc-metric-collector itself * Register SelfCollector * Fix import paths for moved packages
102 lines
2.5 KiB
Go
102 lines
2.5 KiB
Go
package receivers
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
|
|
cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
|
|
)
|
|
|
|
// SampleReceiver configuration: receiver type, listen address, port
|
|
type SampleReceiverConfig struct {
|
|
Type string `json:"type"`
|
|
Addr string `json:"address"`
|
|
Port string `json:"port"`
|
|
}
|
|
|
|
type SampleReceiver struct {
|
|
receiver
|
|
config SampleReceiverConfig
|
|
|
|
// Storage for static information
|
|
meta map[string]string
|
|
// Use in case of own go routine
|
|
// done chan bool
|
|
// wg sync.WaitGroup
|
|
}
|
|
|
|
// Implement functions required for Receiver interface
|
|
// Start(), Close()
|
|
// See: metricReceiver.go
|
|
|
|
func (r *SampleReceiver) Start() {
|
|
cclog.ComponentDebug(r.name, "START")
|
|
|
|
// Start server process like http.ListenAndServe()
|
|
|
|
// or use own go routine but always make sure it exits
|
|
// as soon as it gets the signal of the r.done channel
|
|
//
|
|
// r.done = make(chan bool)
|
|
// r.wg.Add(1)
|
|
// go func() {
|
|
// defer r.wg.Done()
|
|
//
|
|
// // Create ticker
|
|
// ticker := time.NewTicker(30 * time.Second)
|
|
// defer ticker.Stop()
|
|
//
|
|
// for {
|
|
// readMetric()
|
|
// select {
|
|
// case <-ticker.C:
|
|
// // process ticker event -> continue
|
|
// continue
|
|
// case <-r.done:
|
|
// return
|
|
// }
|
|
// }
|
|
// }()
|
|
}
|
|
|
|
// Close receiver: close network connection, close files, close libraries, ...
|
|
func (r *SampleReceiver) Close() {
|
|
cclog.ComponentDebug(r.name, "CLOSE")
|
|
|
|
// Close server like http.Shutdown()
|
|
|
|
// in case of own go routine, send the signal and wait
|
|
// r.done <- true
|
|
// r.wg.Wait()
|
|
}
|
|
|
|
// New function to create a new instance of the receiver
|
|
// Initialize the receiver by giving it a name and reading in the config JSON
|
|
func NewSampleReceiver(name string, config json.RawMessage) (Receiver, error) {
|
|
r := new(SampleReceiver)
|
|
|
|
// Set name of SampleReceiver
|
|
// The name should be chosen in such a way that different instances of SampleReceiver can be distinguished
|
|
r.name = fmt.Sprintf("SampleReceiver(%s)", name)
|
|
|
|
// Set static information
|
|
r.meta = map[string]string{"source": r.name}
|
|
|
|
// Set defaults in r.config
|
|
// Allow overwriting these defaults by reading config JSON
|
|
|
|
// Read the sample receiver specific JSON config
|
|
if len(config) > 0 {
|
|
err := json.Unmarshal(config, &r.config)
|
|
if err != nil {
|
|
cclog.ComponentError(r.name, "Error reading config:", err.Error())
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
// Check that all required fields in the configuration are set
|
|
// Use 'if len(r.config.Option) > 0' for strings
|
|
|
|
return r, nil
|
|
}
|