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package run
import (
"fmt"
"io/ioutil"
"log"
"os"
"os/user"
"path/filepath"
"regexp"
"strings"
"github.com/BurntSushi/toml"
"github.com/influxdata/influxdb/coordinator"
"github.com/influxdata/influxdb/logger"
"github.com/influxdata/influxdb/monitor"
"github.com/influxdata/influxdb/monitor/diagnostics"
"github.com/influxdata/influxdb/pkg/tlsconfig"
"github.com/influxdata/influxdb/services/collectd"
"github.com/influxdata/influxdb/services/continuous_querier"
"github.com/influxdata/influxdb/services/graphite"
"github.com/influxdata/influxdb/services/httpd"
"github.com/influxdata/influxdb/services/meta"
"github.com/influxdata/influxdb/services/opentsdb"
"github.com/influxdata/influxdb/services/precreator"
"github.com/influxdata/influxdb/services/retention"
"github.com/influxdata/influxdb/services/storage"
"github.com/influxdata/influxdb/services/subscriber"
"github.com/influxdata/influxdb/services/udp"
itoml "github.com/influxdata/influxdb/toml"
"github.com/influxdata/influxdb/tsdb"
"golang.org/x/text/encoding/unicode"
"golang.org/x/text/transform"
)
const (
// DefaultBindAddress is the default address for various RPC services.
DefaultBindAddress = "127.0.0.1:8088"
)
// Config represents the configuration format for the influxd binary.
type Config struct {
Meta *meta.Config `toml:"meta"`
Data tsdb.Config `toml:"data"`
Coordinator coordinator.Config `toml:"coordinator"`
Retention retention.Config `toml:"retention"`
Precreator precreator.Config `toml:"shard-precreation"`
Monitor monitor.Config `toml:"monitor"`
Subscriber subscriber.Config `toml:"subscriber"`
HTTPD httpd.Config `toml:"http"`
Logging logger.Config `toml:"logging"`
Storage storage.Config `toml:"ifql"`
GraphiteInputs []graphite.Config `toml:"graphite"`
CollectdInputs []collectd.Config `toml:"collectd"`
OpenTSDBInputs []opentsdb.Config `toml:"opentsdb"`
UDPInputs []udp.Config `toml:"udp"`
ContinuousQuery continuous_querier.Config `toml:"continuous_queries"`
// Server reporting
ReportingEnabled bool `toml:"reporting-enabled"`
// BindAddress is the address that all TCP services use (Raft, Snapshot, Cluster, etc.)
BindAddress string `toml:"bind-address"`
// TLS provides configuration options for all https endpoints.
TLS tlsconfig.Config `toml:"tls"`
}
// NewConfig returns an instance of Config with reasonable defaults.
func NewConfig() *Config {
c := &Config{}
c.Meta = meta.NewConfig()
c.Data = tsdb.NewConfig()
c.Coordinator = coordinator.NewConfig()
c.Precreator = precreator.NewConfig()
c.Monitor = monitor.NewConfig()
c.Subscriber = subscriber.NewConfig()
c.HTTPD = httpd.NewConfig()
c.Logging = logger.NewConfig()
c.Storage = storage.NewConfig()
c.GraphiteInputs = []graphite.Config{graphite.NewConfig()}
c.CollectdInputs = []collectd.Config{collectd.NewConfig()}
c.OpenTSDBInputs = []opentsdb.Config{opentsdb.NewConfig()}
c.UDPInputs = []udp.Config{udp.NewConfig()}
c.ContinuousQuery = continuous_querier.NewConfig()
c.Retention = retention.NewConfig()
c.BindAddress = DefaultBindAddress
return c
}
// NewDemoConfig returns the config that runs when no config is specified.
func NewDemoConfig() (*Config, error) {
c := NewConfig()
var homeDir string
// By default, store meta and data files in current users home directory
u, err := user.Current()
if err == nil {
homeDir = u.HomeDir
} else if os.Getenv("HOME") != "" {
homeDir = os.Getenv("HOME")
} else {
return nil, fmt.Errorf("failed to determine current user for storage")
}
c.Meta.Dir = filepath.Join(homeDir, ".influxdb/meta")
c.Data.Dir = filepath.Join(homeDir, ".influxdb/data")
c.Data.WALDir = filepath.Join(homeDir, ".influxdb/wal")
return c, nil
}
// FromTomlFile loads the config from a TOML file.
func (c *Config) FromTomlFile(fpath string) error {
bs, err := ioutil.ReadFile(fpath)
if err != nil {
return err
}
// Handle any potential Byte-Order-Marks that may be in the config file.
// This is for Windows compatibility only.
// See https://github.com/influxdata/telegraf/issues/1378 and
// https://github.com/influxdata/influxdb/issues/8965.
bom := unicode.BOMOverride(transform.Nop)
bs, _, err = transform.Bytes(bom, bs)
if err != nil {
return err
}
return c.FromToml(string(bs))
}
// FromToml loads the config from TOML.
func (c *Config) FromToml(input string) error {
// Replace deprecated [cluster] with [coordinator]
re := regexp.MustCompile(`(?m)^\s*\[cluster\]`)
input = re.ReplaceAllStringFunc(input, func(in string) string {
in = strings.TrimSpace(in)
out := "[coordinator]"
log.Printf("deprecated config option %s replaced with %s; %s will not be supported in a future release\n", in, out, in)
return out
})
_, err := toml.Decode(input, c)
return err
}
// Validate returns an error if the config is invalid.
func (c *Config) Validate() error {
if err := c.Meta.Validate(); err != nil {
return err
}
if err := c.Data.Validate(); err != nil {
return err
}
if err := c.Monitor.Validate(); err != nil {
return err
}
if err := c.ContinuousQuery.Validate(); err != nil {
return err
}
if err := c.Retention.Validate(); err != nil {
return err
}
if err := c.Precreator.Validate(); err != nil {
return err
}
if err := c.Subscriber.Validate(); err != nil {
return err
}
for _, graphite := range c.GraphiteInputs {
if err := graphite.Validate(); err != nil {
return fmt.Errorf("invalid graphite config: %v", err)
}
}
for _, collectd := range c.CollectdInputs {
if err := collectd.Validate(); err != nil {
return fmt.Errorf("invalid collectd config: %v", err)
}
}
if err := c.TLS.Validate(); err != nil {
return err
}
return nil
}
// ApplyEnvOverrides apply the environment configuration on top of the config.
func (c *Config) ApplyEnvOverrides(getenv func(string) string) error {
return itoml.ApplyEnvOverrides(getenv, "INFLUXDB", c)
}
// Diagnostics returns a diagnostics representation of Config.
func (c *Config) Diagnostics() (*diagnostics.Diagnostics, error) {
return diagnostics.RowFromMap(map[string]interface{}{
"reporting-enabled": c.ReportingEnabled,
"bind-address": c.BindAddress,
}), nil
}
func (c *Config) diagnosticsClients() map[string]diagnostics.Client {
// Config settings that are always present.
m := map[string]diagnostics.Client{
"config": c,
"config-data": c.Data,
"config-meta": c.Meta,
"config-coordinator": c.Coordinator,
"config-retention": c.Retention,
"config-precreator": c.Precreator,
"config-monitor": c.Monitor,
"config-subscriber": c.Subscriber,
"config-httpd": c.HTTPD,
"config-cqs": c.ContinuousQuery,
}
// Config settings that can be repeated and can be disabled.
if g := graphite.Configs(c.GraphiteInputs); g.Enabled() {
m["config-graphite"] = g
}
if cc := collectd.Configs(c.CollectdInputs); cc.Enabled() {
m["config-collectd"] = cc
}
if t := opentsdb.Configs(c.OpenTSDBInputs); t.Enabled() {
m["config-opentsdb"] = t
}
if u := udp.Configs(c.UDPInputs); u.Enabled() {
m["config-udp"] = u
}
return m
}
// registerDiagnostics registers the config settings with the Monitor.
func (c *Config) registerDiagnostics(m *monitor.Monitor) {
for name, dc := range c.diagnosticsClients() {
m.RegisterDiagnosticsClient(name, dc)
}
}
// registerDiagnostics deregisters the config settings from the Monitor.
func (c *Config) deregisterDiagnostics(m *monitor.Monitor) {
for name := range c.diagnosticsClients() {
m.DeregisterDiagnosticsClient(name)
}
}
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