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// SPDX-License-Identifier: GPL-3.0-or-later
package mongo
import (
_ "embed"
"errors"
"fmt"
"sync"
"time"
"github.com/netdata/netdata/go/plugins/pkg/matcher"
"github.com/netdata/netdata/go/plugins/plugin/go.d/agent/module"
"github.com/netdata/netdata/go/plugins/plugin/go.d/pkg/confopt"
)
//go:embed "config_schema.json"
var configSchema string
func init() {
module.Register("mongodb", module.Creator{
JobConfigSchema: configSchema,
Create: func() module.Module { return New() },
Config: func() any { return &Config{} },
})
}
func New() *Mongo {
return &Mongo{
Config: Config{
URI: "mongodb://localhost:27017",
Timeout: confopt.Duration(time.Second),
Databases: matcher.SimpleExpr{
Includes: []string{},
Excludes: []string{},
},
},
conn: &mongoClient{},
charts: chartsServerStatus.Copy(),
addShardingChartsOnce: &sync.Once{},
optionalCharts: make(map[string]bool),
replSetMembers: make(map[string]bool),
databases: make(map[string]bool),
shards: make(map[string]bool),
}
}
type Config struct {
UpdateEvery int `yaml:"update_every,omitempty" json:"update_every"`
URI string `yaml:"uri" json:"uri"`
Timeout confopt.Duration `yaml:"timeout,omitempty" json:"timeout"`
Databases matcher.SimpleExpr `yaml:"databases,omitempty" json:"databases"`
}
type Mongo struct {
module.Base
Config `yaml:",inline" json:""`
charts *module.Charts
addShardingChartsOnce *sync.Once
conn mongoConn
dbSelector matcher.Matcher
optionalCharts map[string]bool
databases map[string]bool
replSetMembers map[string]bool
shards map[string]bool
}
func (m *Mongo) Configuration() any {
return m.Config
}
func (m *Mongo) Init() error {
if err := m.verifyConfig(); err != nil {
return fmt.Errorf("config validation: %v", err)
}
if err := m.initDatabaseSelector(); err != nil {
return fmt.Errorf("init database selector: %v", err)
}
return nil
}
func (m *Mongo) Check() error {
mx, err := m.collect()
if err != nil {
return err
}
if len(mx) == 0 {
return errors.New("no metrics collected")
}
return nil
}
func (m *Mongo) Charts() *module.Charts {
return m.charts
}
func (m *Mongo) Collect() map[string]int64 {
mx, err := m.collect()
if err != nil {
m.Error(err)
}
if len(mx) == 0 {
m.Warning("no values collected")
return nil
}
return mx
}
func (m *Mongo) Cleanup() {
if m.conn == nil {
return
}
if err := m.conn.close(); err != nil {
m.Warningf("cleanup: error on closing mongo conn: %v", err)
}
}
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