diff options
Diffstat (limited to 'src/go/collectors/go.d.plugin/modules/couchdb/couchdb.go')
-rw-r--r-- | src/go/collectors/go.d.plugin/modules/couchdb/couchdb.go | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/couchdb/couchdb.go b/src/go/collectors/go.d.plugin/modules/couchdb/couchdb.go new file mode 100644 index 000000000..459251e9d --- /dev/null +++ b/src/go/collectors/go.d.plugin/modules/couchdb/couchdb.go @@ -0,0 +1,134 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +package couchdb + +import ( + _ "embed" + "errors" + "net/http" + "strings" + "time" + + "github.com/netdata/netdata/go/go.d.plugin/agent/module" + "github.com/netdata/netdata/go/go.d.plugin/pkg/web" +) + +//go:embed "config_schema.json" +var configSchema string + +func init() { + module.Register("couchdb", module.Creator{ + JobConfigSchema: configSchema, + Defaults: module.Defaults{ + UpdateEvery: 10, + }, + Create: func() module.Module { return New() }, + Config: func() any { return &Config{} }, + }) +} + +func New() *CouchDB { + return &CouchDB{ + Config: Config{ + HTTP: web.HTTP{ + Request: web.Request{ + URL: "http://127.0.0.1:5984", + }, + Client: web.Client{ + Timeout: web.Duration(time.Second * 2), + }, + }, + Node: "_local", + }, + } +} + +type Config struct { + UpdateEvery int `yaml:"update_every,omitempty" json:"update_every"` + web.HTTP `yaml:",inline" json:""` + Node string `yaml:"node,omitempty" json:"node"` + Databases string `yaml:"databases,omitempty" json:"databases"` +} + +type CouchDB struct { + module.Base + Config `yaml:",inline" json:""` + + charts *module.Charts + + httpClient *http.Client + + databases []string +} + +func (cdb *CouchDB) Configuration() any { + return cdb.Config +} + +func (cdb *CouchDB) Init() error { + err := cdb.validateConfig() + if err != nil { + cdb.Errorf("check configuration: %v", err) + return err + } + + cdb.databases = strings.Fields(cdb.Config.Databases) + + httpClient, err := cdb.initHTTPClient() + if err != nil { + cdb.Errorf("init HTTP client: %v", err) + return err + } + cdb.httpClient = httpClient + + charts, err := cdb.initCharts() + if err != nil { + cdb.Errorf("init charts: %v", err) + return err + } + cdb.charts = charts + + return nil +} + +func (cdb *CouchDB) Check() error { + if err := cdb.pingCouchDB(); err != nil { + cdb.Error(err) + return err + } + + mx, err := cdb.collect() + if err != nil { + cdb.Error(err) + return err + } + + if len(mx) == 0 { + return errors.New("no metrics collected") + } + + return nil +} + +func (cdb *CouchDB) Charts() *Charts { + return cdb.charts +} + +func (cdb *CouchDB) Collect() map[string]int64 { + mx, err := cdb.collect() + if err != nil { + cdb.Error(err) + } + + if len(mx) == 0 { + return nil + } + return mx +} + +func (cdb *CouchDB) Cleanup() { + if cdb.httpClient == nil { + return + } + cdb.httpClient.CloseIdleConnections() +} |