diff options
Diffstat (limited to '')
-rw-r--r-- | src/go/collectors/go.d.plugin/modules/pulsar/pulsar.go | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/pulsar/pulsar.go b/src/go/collectors/go.d.plugin/modules/pulsar/pulsar.go new file mode 100644 index 000000000..d037a4af3 --- /dev/null +++ b/src/go/collectors/go.d.plugin/modules/pulsar/pulsar.go @@ -0,0 +1,136 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +package pulsar + +import ( + _ "embed" + "errors" + "sync" + "time" + + "github.com/netdata/netdata/go/go.d.plugin/agent/module" + "github.com/netdata/netdata/go/go.d.plugin/pkg/matcher" + "github.com/netdata/netdata/go/go.d.plugin/pkg/prometheus" + "github.com/netdata/netdata/go/go.d.plugin/pkg/web" +) + +//go:embed "config_schema.json" +var configSchema string + +func init() { + module.Register("pulsar", module.Creator{ + JobConfigSchema: configSchema, + Defaults: module.Defaults{ + UpdateEvery: 60, + }, + Create: func() module.Module { return New() }, + }) +} + +func New() *Pulsar { + return &Pulsar{ + Config: Config{ + HTTP: web.HTTP{ + Request: web.Request{ + URL: "http://127.0.0.1:8080/metrics", + }, + Client: web.Client{ + Timeout: web.Duration(time.Second * 5), + }, + }, + TopicFilter: matcher.SimpleExpr{ + Includes: nil, + Excludes: []string{"*"}, + }, + }, + once: &sync.Once{}, + charts: summaryCharts.Copy(), + nsCharts: namespaceCharts.Copy(), + topicChartsMapping: topicChartsMapping(), + cache: newCache(), + curCache: newCache(), + } +} + +type Config struct { + web.HTTP `yaml:",inline" json:""` + UpdateEvery int `yaml:"update_every" json:"update_every"` + TopicFilter matcher.SimpleExpr `yaml:"topic_filter" json:"topic_filter"` +} + +type Pulsar struct { + module.Base + Config `yaml:",inline" json:""` + + charts *Charts + nsCharts *Charts + + prom prometheus.Prometheus + + topicFilter matcher.Matcher + cache *cache + curCache *cache + once *sync.Once + topicChartsMapping map[string]string +} + +func (p *Pulsar) Configuration() any { + return p.Config +} + +func (p *Pulsar) Init() error { + if err := p.validateConfig(); err != nil { + p.Errorf("config validation: %v", err) + return err + } + + prom, err := p.initPrometheusClient() + if err != nil { + p.Error(err) + return err + } + p.prom = prom + + m, err := p.initTopicFilerMatcher() + if err != nil { + p.Error(err) + return err + } + p.topicFilter = m + + return nil +} + +func (p *Pulsar) Check() error { + mx, err := p.collect() + if err != nil { + p.Error(err) + return err + } + if len(mx) == 0 { + return errors.New("no metrics collected") + } + return nil +} + +func (p *Pulsar) Charts() *Charts { + return p.charts +} + +func (p *Pulsar) Collect() map[string]int64 { + mx, err := p.collect() + if err != nil { + p.Error(err) + } + + if len(mx) == 0 { + return nil + } + return mx +} + +func (p *Pulsar) Cleanup() { + if p.prom != nil && p.prom.HTTPClient() != nil { + p.prom.HTTPClient().CloseIdleConnections() + } +} |