105 lines
2.6 KiB
Go
105 lines
2.6 KiB
Go
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//go:generate ../../../tools/readme_config_includer/generator
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package jolokia2_agent
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import (
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_ "embed"
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"fmt"
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"sync"
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"time"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/config"
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common "github.com/influxdata/telegraf/plugins/common/jolokia2"
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"github.com/influxdata/telegraf/plugins/common/tls"
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"github.com/influxdata/telegraf/plugins/inputs"
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)
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//go:embed sample.conf
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var sampleConfig string
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type JolokiaAgent struct {
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DefaultFieldPrefix string `toml:"default_field_prefix"`
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DefaultFieldSeparator string `toml:"default_field_separator"`
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DefaultTagPrefix string `toml:"default_tag_prefix"`
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URLs []string `toml:"urls"`
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Username string `toml:"username"`
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Password string `toml:"password"`
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Origin string `toml:"origin"`
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ResponseTimeout config.Duration `toml:"response_timeout"`
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tls.ClientConfig
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Metrics []common.MetricConfig `toml:"metric"`
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gatherer *common.Gatherer
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clients []*common.Client
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}
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func (*JolokiaAgent) SampleConfig() string {
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return sampleConfig
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}
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func (ja *JolokiaAgent) Gather(acc telegraf.Accumulator) error {
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if ja.gatherer == nil {
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ja.gatherer = common.NewGatherer(ja.createMetrics())
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}
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// Initialize clients once
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if ja.clients == nil {
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ja.clients = make([]*common.Client, 0, len(ja.URLs))
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for _, url := range ja.URLs {
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client, err := ja.createClient(url)
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if err != nil {
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acc.AddError(fmt.Errorf("unable to create client for %q: %w", url, err))
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continue
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}
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ja.clients = append(ja.clients, client)
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}
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}
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var wg sync.WaitGroup
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for _, client := range ja.clients {
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wg.Add(1)
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go func(client *common.Client) {
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defer wg.Done()
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err := ja.gatherer.Gather(client, acc)
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if err != nil {
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acc.AddError(fmt.Errorf("unable to gather metrics for %q: %w", client.URL, err))
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}
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}(client)
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}
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wg.Wait()
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return nil
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}
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func (ja *JolokiaAgent) createMetrics() []common.Metric {
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metrics := make([]common.Metric, 0, len(ja.Metrics))
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for _, metricConfig := range ja.Metrics {
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metrics = append(metrics, common.NewMetric(metricConfig, ja.DefaultFieldPrefix, ja.DefaultFieldSeparator, ja.DefaultTagPrefix))
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}
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return metrics
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}
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func (ja *JolokiaAgent) createClient(url string) (*common.Client, error) {
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return common.NewClient(url, &common.ClientConfig{
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Username: ja.Username,
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Password: ja.Password,
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Origin: ja.Origin,
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ResponseTimeout: time.Duration(ja.ResponseTimeout),
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ClientConfig: ja.ClientConfig,
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})
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}
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func init() {
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inputs.Add("jolokia2_agent", func() telegraf.Input {
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return &JolokiaAgent{
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DefaultFieldSeparator: ".",
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}
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})
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}
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