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https://github.com/ClusterCockpit/cc-metric-collector.git
synced 2024-11-10 04:27:25 +01:00
63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
package sinks
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import (
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"encoding/json"
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"fmt"
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"log"
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cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
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lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
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)
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type SampleSinkConfig struct {
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defaultSinkConfig // defines JSON tags for 'type' and 'meta_as_tags'
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// Add additional options
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}
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type SampleSink struct {
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sink // declarate 'name' and 'meta_as_tags'
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config SampleSinkConfig // entry point to the SampleSinkConfig
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}
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// Code to submit a single CCMetric to the sink
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func (s *SampleSink) Write(point lp.CCMetric) error {
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log.Print(point)
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return nil
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}
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// If the sink uses batched sends internally, you can tell to flush its buffers
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func (s *SampleSink) Flush() error {
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return nil
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}
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// Close sink: close network connection, close files, close libraries, ...
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func (s *SampleSink) Close() {
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cclog.ComponentDebug(s.name, "CLOSE")
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}
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// New function to create a new instance of the sink
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// Initialize the sink by giving it a name and reading in the config JSON
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func NewSampleSink(name string, config json.RawMessage) (Sink, error) {
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s := new(SampleSink)
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s.name = fmt.Sprintf("SampleSink(%s)", name) // Always specify a name here
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// Set defaults in s.config
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// Read in the config JSON
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if len(config) > 0 {
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err := json.Unmarshal(config, &s.config)
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if err != nil {
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return nil, err
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}
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}
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// Check if all required fields in the config are set
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// Use 'len(s.config.Option) > 0' for string settings
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// Establish connection to the server, library, ...
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// Check required files exist and lookup path(s) of executable(s)
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// Return (nil, meaningful error message) in case of errors
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return s, nil
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}
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