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Diffstat (limited to '')
-rw-r--r-- | src/go/plugin/go.d/modules/tomcat/tomcat.go | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/go/plugin/go.d/modules/tomcat/tomcat.go b/src/go/plugin/go.d/modules/tomcat/tomcat.go new file mode 100644 index 000000000..540247063 --- /dev/null +++ b/src/go/plugin/go.d/modules/tomcat/tomcat.go @@ -0,0 +1,120 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +package tomcat + +import ( + _ "embed" + "errors" + "net/http" + "time" + + "github.com/netdata/netdata/go/plugins/plugin/go.d/agent/module" + "github.com/netdata/netdata/go/plugins/plugin/go.d/pkg/web" +) + +//go:embed "config_schema.json" +var configSchema string + +func init() { + module.Register("tomcat", module.Creator{ + JobConfigSchema: configSchema, + Create: func() module.Module { return New() }, + Config: func() any { return &Config{} }, + }) +} + +func New() *Tomcat { + return &Tomcat{ + Config: Config{ + HTTP: web.HTTP{ + Request: web.Request{ + URL: "http://127.0.0.1:8080", + }, + Client: web.Client{ + Timeout: web.Duration(time.Second * 1), + }, + }, + }, + charts: defaultCharts.Copy(), + seenConnectors: make(map[string]bool), + seenMemPools: make(map[string]bool), + } +} + +type Config struct { + UpdateEvery int `yaml:"update_every,omitempty" json:"update_every"` + web.HTTP `yaml:",inline" json:""` +} + +type Tomcat struct { + module.Base + Config `yaml:",inline" json:""` + + charts *module.Charts + + httpClient *http.Client + + seenConnectors map[string]bool + seenMemPools map[string]bool +} + +func (t *Tomcat) Configuration() any { + return t.Config +} + +func (t *Tomcat) Init() error { + if err := t.validateConfig(); err != nil { + t.Errorf("config validation: %v", err) + return err + } + + httpClient, err := t.initHTTPClient() + if err != nil { + t.Errorf("init HTTP client: %v", err) + return err + } + + t.httpClient = httpClient + + t.Debugf("using URL %s", t.URL) + t.Debugf("using timeout: %s", t.Timeout) + + return nil +} + +func (t *Tomcat) Check() error { + mx, err := t.collect() + if err != nil { + t.Error(err) + return err + } + + if len(mx) == 0 { + return errors.New("no metrics collected") + } + + return nil +} + +func (t *Tomcat) Charts() *module.Charts { + return t.charts +} + +func (t *Tomcat) Collect() map[string]int64 { + mx, err := t.collect() + if err != nil { + t.Error(err) + } + + if len(mx) == 0 { + return nil + } + + return mx +} + +func (t *Tomcat) Cleanup() { + if t.httpClient != nil { + t.httpClient.CloseIdleConnections() + } +} |