113 lines
2.5 KiB
Go
113 lines
2.5 KiB
Go
package jolokia2
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import (
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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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)
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type JolokiaAgent struct {
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DefaultFieldPrefix string
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DefaultFieldSeparator string
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DefaultTagPrefix string
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URLs []string `toml:"urls"`
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Username string
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Password string
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ResponseTimeout time.Duration `toml:"response_timeout"`
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SSLCA string `toml:"ssl_ca"`
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SSLCert string `toml:"ssl_cert"`
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SSLKey string `toml:"ssl_key"`
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InsecureSkipVerify bool
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Metrics []MetricConfig `toml:"metric"`
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gatherer *Gatherer
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}
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func (ja *JolokiaAgent) SampleConfig() string {
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return `
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# default_tag_prefix = ""
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# default_field_prefix = ""
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# default_field_separator = "."
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# Add agents URLs to query
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urls = ["http://localhost:8080/jolokia"]
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# username = ""
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# password = ""
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# response_timeout = "5s"
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## Optional SSL config
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# ssl_ca = "/var/private/ca.pem"
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# ssl_cert = "/var/private/client.pem"
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# ssl_key = "/var/private/client-key.pem"
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# insecure_skip_verify = false
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## Add metrics to read
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[[inputs.jolokia2.metric]]
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name = "java_runtime"
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mbean = "java.lang:type=Runtime"
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paths = ["Uptime"]
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`
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}
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func (ja *JolokiaAgent) Description() string {
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return "Read JMX metrics from a Jolokia REST agent endpoint"
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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 = NewGatherer(ja.createMetrics())
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}
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var wg sync.WaitGroup
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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 %s: %v", url, err))
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continue
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}
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wg.Add(1)
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go func(client *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 %s: %v", 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() []Metric {
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var metrics []Metric
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for _, config := range ja.Metrics {
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metrics = append(metrics, NewMetric(config,
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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) (*Client, error) {
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return NewClient(url, &ClientConfig{
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Username: ja.Username,
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Password: ja.Password,
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ResponseTimeout: ja.ResponseTimeout,
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SSLCA: ja.SSLCA,
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SSLCert: ja.SSLCert,
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SSLKey: ja.SSLKey,
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InsecureSkipVerify: ja.InsecureSkipVerify,
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})
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}
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