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Diffstat (limited to '')
-rw-r--r-- | src/go/collectors/go.d.plugin/modules/haproxy/haproxy.go | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/haproxy/haproxy.go b/src/go/collectors/go.d.plugin/modules/haproxy/haproxy.go new file mode 100644 index 000000000..4fae97649 --- /dev/null +++ b/src/go/collectors/go.d.plugin/modules/haproxy/haproxy.go @@ -0,0 +1,114 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +package haproxy + +import ( + _ "embed" + "errors" + "time" + + "github.com/netdata/netdata/go/go.d.plugin/agent/module" + "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("haproxy", module.Creator{ + JobConfigSchema: configSchema, + Create: func() module.Module { return New() }, + }) +} + +func New() *Haproxy { + return &Haproxy{ + Config: Config{ + HTTP: web.HTTP{ + Request: web.Request{ + URL: "http://127.0.0.1:8404/metrics", + }, + Client: web.Client{ + Timeout: web.Duration(time.Second), + }, + }, + }, + + charts: charts.Copy(), + proxies: make(map[string]bool), + validateMetrics: true, + } +} + +type Config struct { + web.HTTP `yaml:",inline" json:""` + UpdateEvery int `yaml:"update_every" json:"update_every"` +} + +type Haproxy struct { + module.Base + Config `yaml:",inline" json:""` + + charts *module.Charts + + prom prometheus.Prometheus + + validateMetrics bool + proxies map[string]bool +} + +func (h *Haproxy) Configuration() any { + return h.Config +} + +func (h *Haproxy) Init() error { + if err := h.validateConfig(); err != nil { + h.Errorf("config validation: %v", err) + return err + } + + prom, err := h.initPrometheusClient() + if err != nil { + h.Errorf("prometheus client initialization: %v", err) + return err + } + h.prom = prom + + return nil +} + +func (h *Haproxy) Check() error { + mx, err := h.collect() + if err != nil { + h.Error(err) + return err + } + if len(mx) == 0 { + return errors.New("no metrics collected") + } + return nil +} + +func (h *Haproxy) Charts() *module.Charts { + return h.charts +} + +func (h *Haproxy) Collect() map[string]int64 { + mx, err := h.collect() + if err != nil { + h.Error(err) + return nil + } + + if len(mx) == 0 { + return nil + } + return mx +} + +func (h *Haproxy) Cleanup() { + if h.prom != nil && h.prom.HTTPClient() != nil { + h.prom.HTTPClient().CloseIdleConnections() + } +} |