// DefaultConfig returns the default configuration
func DefaultConfig() *Config {
hostname, err := os.Hostname()
if err != nil {
panic(err)
}
c := &Config{
Region: DefaultRegion,
Datacenter: DefaultDC,
NodeName: hostname,
ProtocolVersion: ProtocolVersionMax,
RaftConfig: raft.DefaultConfig(),
RaftTimeout: 10 * time.Second,
LogOutput: os.Stderr,
RPCAddr: DefaultRPCAddr,
SerfConfig: serf.DefaultConfig(),
NumSchedulers: 1,
ReconcileInterval: 60 * time.Second,
EvalGCInterval: 5 * time.Minute,
EvalGCThreshold: 1 * time.Hour,
JobGCInterval: 5 * time.Minute,
JobGCThreshold: 4 * time.Hour,
NodeGCInterval: 5 * time.Minute,
NodeGCThreshold: 24 * time.Hour,
EvalNackTimeout: 60 * time.Second,
EvalDeliveryLimit: 3,
MinHeartbeatTTL: 10 * time.Second,
MaxHeartbeatsPerSecond: 50.0,
HeartbeatGrace: 10 * time.Second,
FailoverHeartbeatTTL: 300 * time.Second,
ConsulConfig: config.DefaultConsulConfig(),
VaultConfig: config.DefaultVaultConfig(),
RPCHoldTimeout: 5 * time.Second,
TLSConfig: &config.TLSConfig{},
}
// Enable all known schedulers by default
c.EnabledSchedulers = make([]string, 0, len(scheduler.BuiltinSchedulers))
for name := range scheduler.BuiltinSchedulers {
c.EnabledSchedulers = append(c.EnabledSchedulers, name)
}
c.EnabledSchedulers = append(c.EnabledSchedulers, structs.JobTypeCore)
// Default the number of schedulers to match the coores
c.NumSchedulers = runtime.NumCPU()
// Increase our reap interval to 3 days instead of 24h.
c.SerfConfig.ReconnectTimeout = 3 * 24 * time.Hour
// Serf should use the WAN timing, since we are using it
// to communicate between DC's
c.SerfConfig.MemberlistConfig = memberlist.DefaultWANConfig()
c.SerfConfig.MemberlistConfig.BindPort = DefaultSerfPort
// Disable shutdown on removal
c.RaftConfig.ShutdownOnRemove = false
return c
}
// DefaultConfig returns the default configuration
func DefaultConfig() *Config {
return &Config{
VaultConfig: config.DefaultVaultConfig(),
ConsulConfig: config.DefaultConsulConfig(),
LogOutput: os.Stderr,
Region: "global",
StatsCollectionInterval: 1 * time.Second,
}
}
func parseVaultConfig(result **config.VaultConfig, list *ast.ObjectList) error {
list = list.Elem()
if len(list.Items) > 1 {
return fmt.Errorf("only one 'vault' block allowed")
}
// Get our Vault object
listVal := list.Items[0].Val
// Check for invalid keys
valid := []string{
"address",
"allow_unauthenticated",
"enabled",
"task_token_ttl",
"ca_file",
"ca_path",
"cert_file",
"key_file",
"tls_server_name",
"tls_skip_verify",
"token",
}
if err := checkHCLKeys(listVal, valid); err != nil {
return err
}
var m map[string]interface{}
if err := hcl.DecodeObject(&m, listVal); err != nil {
return err
}
vaultConfig := config.DefaultVaultConfig()
dec, err := mapstructure.NewDecoder(&mapstructure.DecoderConfig{
DecodeHook: mapstructure.StringToTimeDurationHookFunc(),
WeaklyTypedInput: true,
Result: &vaultConfig,
})
if err != nil {
return err
}
if err := dec.Decode(m); err != nil {
return err
}
*result = vaultConfig
return nil
}
// DefaultConfig is a the baseline configuration for Nomad
func DefaultConfig() *Config {
return &Config{
LogLevel: "INFO",
Region: "global",
Datacenter: "dc1",
BindAddr: "127.0.0.1",
Ports: &Ports{
HTTP: 4646,
RPC: 4647,
Serf: 4648,
},
Addresses: &Addresses{},
AdvertiseAddrs: &AdvertiseAddrs{},
Atlas: &AtlasConfig{},
Consul: config.DefaultConsulConfig(),
Vault: config.DefaultVaultConfig(),
Client: &ClientConfig{
Enabled: false,
NetworkSpeed: 100,
MaxKillTimeout: "30s",
ClientMinPort: 14000,
ClientMaxPort: 14512,
Reserved: &Resources{},
},
Server: &ServerConfig{
Enabled: false,
StartJoin: []string{},
RetryJoin: []string{},
RetryInterval: "30s",
RetryMaxAttempts: 0,
},
SyslogFacility: "LOCAL0",
Telemetry: &Telemetry{
CollectionInterval: "1s",
collectionInterval: 1 * time.Second,
},
}
}