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vsphere-influxdb-go/vendor/github.com/influxdata/influxdb/services/collectd/config.go

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2017-10-25 22:52:40 +02:00
package collectd
import (
"errors"
"time"
"github.com/influxdata/influxdb/monitor/diagnostics"
"github.com/influxdata/influxdb/toml"
)
const (
// DefaultBindAddress is the default port to bind to.
DefaultBindAddress = ":25826"
// DefaultDatabase is the default DB to write to.
DefaultDatabase = "collectd"
// DefaultRetentionPolicy is the default retention policy of the writes.
DefaultRetentionPolicy = ""
// DefaultBatchSize is the default write batch size.
DefaultBatchSize = 5000
// DefaultBatchPending is the default number of pending write batches.
DefaultBatchPending = 10
// DefaultBatchDuration is the default batch timeout duration.
DefaultBatchDuration = toml.Duration(10 * time.Second)
// DefaultTypesDB is the default location of the collectd types db file.
DefaultTypesDB = "/usr/share/collectd/types.db"
// DefaultReadBuffer is the default buffer size for the UDP listener.
// Sets the size of the operating system's receive buffer associated with
// the UDP traffic. Keep in mind that the OS must be able
// to handle the number set here or the UDP listener will error and exit.
//
// DefaultReadBuffer = 0 means to use the OS default, which is usually too
// small for high UDP performance.
//
// Increasing OS buffer limits:
// Linux: sudo sysctl -w net.core.rmem_max=<read-buffer>
// BSD/Darwin: sudo sysctl -w kern.ipc.maxsockbuf=<read-buffer>
DefaultReadBuffer = 0
// DefaultSecurityLevel is the default security level.
DefaultSecurityLevel = "none"
// DefaultAuthFile is the default location of the user/password file.
DefaultAuthFile = "/etc/collectd/auth_file"
)
// Config represents a configuration for the collectd service.
type Config struct {
Enabled bool `toml:"enabled"`
BindAddress string `toml:"bind-address"`
Database string `toml:"database"`
RetentionPolicy string `toml:"retention-policy"`
BatchSize int `toml:"batch-size"`
BatchPending int `toml:"batch-pending"`
BatchDuration toml.Duration `toml:"batch-timeout"`
ReadBuffer int `toml:"read-buffer"`
TypesDB string `toml:"typesdb"`
SecurityLevel string `toml:"security-level"`
AuthFile string `toml:"auth-file"`
}
// NewConfig returns a new instance of Config with defaults.
func NewConfig() Config {
return Config{
BindAddress: DefaultBindAddress,
Database: DefaultDatabase,
RetentionPolicy: DefaultRetentionPolicy,
ReadBuffer: DefaultReadBuffer,
BatchSize: DefaultBatchSize,
BatchPending: DefaultBatchPending,
BatchDuration: DefaultBatchDuration,
TypesDB: DefaultTypesDB,
SecurityLevel: DefaultSecurityLevel,
AuthFile: DefaultAuthFile,
}
}
// WithDefaults takes the given config and returns a new config with any required
// default values set.
func (c *Config) WithDefaults() *Config {
d := *c
if d.BindAddress == "" {
d.BindAddress = DefaultBindAddress
}
if d.Database == "" {
d.Database = DefaultDatabase
}
if d.RetentionPolicy == "" {
d.RetentionPolicy = DefaultRetentionPolicy
}
if d.BatchSize == 0 {
d.BatchSize = DefaultBatchSize
}
if d.BatchPending == 0 {
d.BatchPending = DefaultBatchPending
}
if d.BatchDuration == 0 {
d.BatchDuration = DefaultBatchDuration
}
if d.ReadBuffer == 0 {
d.ReadBuffer = DefaultReadBuffer
}
if d.TypesDB == "" {
d.TypesDB = DefaultTypesDB
}
if d.SecurityLevel == "" {
d.SecurityLevel = DefaultSecurityLevel
}
if d.AuthFile == "" {
d.AuthFile = DefaultAuthFile
}
return &d
}
// Validate returns an error if the Config is invalid.
func (c *Config) Validate() error {
switch c.SecurityLevel {
case "none", "sign", "encrypt":
default:
return errors.New("Invalid security level")
}
return nil
}
// Configs wraps a slice of Config to aggregate diagnostics.
type Configs []Config
// Diagnostics returns one set of diagnostics for all of the Configs.
func (c Configs) Diagnostics() (*diagnostics.Diagnostics, error) {
d := &diagnostics.Diagnostics{
Columns: []string{"enabled", "bind-address", "database", "retention-policy", "batch-size", "batch-pending", "batch-timeout"},
}
for _, cc := range c {
if !cc.Enabled {
d.AddRow([]interface{}{false})
continue
}
r := []interface{}{true, cc.BindAddress, cc.Database, cc.RetentionPolicy, cc.BatchSize, cc.BatchPending, cc.BatchDuration}
d.AddRow(r)
}
return d, nil
}
// Enabled returns true if any underlying Config is Enabled.
func (c Configs) Enabled() bool {
for _, cc := range c {
if cc.Enabled {
return true
}
}
return false
}