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/*
* Copyright 2018-present Open Networking Foundation
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package config
import (
"flag"
"time"
)
// RW Core service default constants
const (
EtcdStoreName = "etcd"
defaultGrpcAddress = ":50057"
defaultKafkaAdapterAddress = "127.0.0.1:9092"
defaultKafkaClusterAddress = "127.0.0.1:9094"
defaultKVStoreType = EtcdStoreName
defaultKVStoreTimeout = 5 * time.Second
defaultKVStoreAddress = "127.0.0.1:2379" // Etcd = 2379
defaultKVTxnKeyDelTime = 60
defaultLogLevel = "WARN"
defaultBanner = false
defaultDisplayVersionOnly = false
defaultCoreTopic = "rwcore"
defaultEventTopic = "voltha.events"
defaultRWCoreEndpoint = "rwcore"
defaultRWCoreKey = "pki/voltha.key"
defaultRWCoreCert = "pki/voltha.crt"
defaultRWCoreCA = "pki/voltha-CA.pem"
defaultLongRunningRequestTimeout = 2000 * time.Millisecond
defaultDefaultRequestTimeout = 1000 * time.Millisecond
defaultCoreTimeout = 1000 * time.Millisecond
defaultCoreBindingKey = "voltha_backend_name"
defaultMaxConnectionRetries = -1 // retries forever
defaultConnectionRetryInterval = 2 * time.Second
defaultLiveProbeInterval = 60 * time.Second
defaultNotLiveProbeInterval = 5 * time.Second // Probe more frequently when not alive
defaultProbeAddress = ":8080"
defaultTraceEnabled = false
defaultTraceAgentAddress = "127.0.0.1:6831"
defaultLogCorrelationEnabled = true
defaultVolthaStackID = "voltha"
defaultBackoffRetryInitialInterval = 500 * time.Millisecond
defaultBackoffRetryMaxElapsedTime = 0
defaultBackoffRetryMaxInterval = 1 * time.Minute
)
// RWCoreFlags represents the set of configurations used by the read-write core service
type RWCoreFlags struct {
// Command line parameters
RWCoreEndpoint string
GrpcAddress string
KafkaAdapterAddress string
KafkaClusterAddress string
KVStoreType string
KVStoreTimeout time.Duration
KVStoreAddress string
KVTxnKeyDelTime int
CoreTopic string
EventTopic string
LogLevel string
Banner bool
DisplayVersionOnly bool
RWCoreKey string
RWCoreCert string
RWCoreCA string
LongRunningRequestTimeout time.Duration
DefaultRequestTimeout time.Duration
DefaultCoreTimeout time.Duration
CoreBindingKey string
MaxConnectionRetries int
ConnectionRetryInterval time.Duration
LiveProbeInterval time.Duration
NotLiveProbeInterval time.Duration
ProbeAddress string
TraceEnabled bool
TraceAgentAddress string
LogCorrelationEnabled bool
VolthaStackID string
BackoffRetryInitialInterval time.Duration
BackoffRetryMaxElapsedTime time.Duration
BackoffRetryMaxInterval time.Duration
}
// NewRWCoreFlags returns a new RWCore config
func NewRWCoreFlags() *RWCoreFlags {
var rwCoreFlag = RWCoreFlags{ // Default values
RWCoreEndpoint: defaultRWCoreEndpoint,
GrpcAddress: defaultGrpcAddress,
KafkaAdapterAddress: defaultKafkaAdapterAddress,
KafkaClusterAddress: defaultKafkaClusterAddress,
KVStoreType: defaultKVStoreType,
KVStoreTimeout: defaultKVStoreTimeout,
KVStoreAddress: defaultKVStoreAddress,
KVTxnKeyDelTime: defaultKVTxnKeyDelTime,
CoreTopic: defaultCoreTopic,
EventTopic: defaultEventTopic,
LogLevel: defaultLogLevel,
Banner: defaultBanner,
DisplayVersionOnly: defaultDisplayVersionOnly,
RWCoreKey: defaultRWCoreKey,
RWCoreCert: defaultRWCoreCert,
RWCoreCA: defaultRWCoreCA,
DefaultRequestTimeout: defaultDefaultRequestTimeout,
LongRunningRequestTimeout: defaultLongRunningRequestTimeout,
DefaultCoreTimeout: defaultCoreTimeout,
CoreBindingKey: defaultCoreBindingKey,
MaxConnectionRetries: defaultMaxConnectionRetries,
ConnectionRetryInterval: defaultConnectionRetryInterval,
LiveProbeInterval: defaultLiveProbeInterval,
NotLiveProbeInterval: defaultNotLiveProbeInterval,
ProbeAddress: defaultProbeAddress,
TraceEnabled: defaultTraceEnabled,
TraceAgentAddress: defaultTraceAgentAddress,
LogCorrelationEnabled: defaultLogCorrelationEnabled,
VolthaStackID: defaultVolthaStackID,
BackoffRetryInitialInterval: defaultBackoffRetryInitialInterval,
BackoffRetryMaxElapsedTime: defaultBackoffRetryMaxElapsedTime,
BackoffRetryMaxInterval: defaultBackoffRetryMaxInterval,
}
return &rwCoreFlag
}
// ParseCommandArguments parses the arguments when running read-write core service
func (cf *RWCoreFlags) ParseCommandArguments() {
flag.StringVar(&(cf.RWCoreEndpoint), "vcore-endpoint", defaultRWCoreEndpoint, "RW core endpoint address")
flag.StringVar(&(cf.GrpcAddress), "grpc_address", defaultGrpcAddress, "GRPC server - address")
flag.StringVar(&(cf.KafkaAdapterAddress), "kafka_adapter_address", defaultKafkaAdapterAddress, "Kafka - Adapter messaging address")
flag.StringVar(&(cf.KafkaClusterAddress), "kafka_cluster_address", defaultKafkaClusterAddress, "Kafka - Cluster messaging address")
flag.StringVar(&(cf.CoreTopic), "rw_core_topic", defaultCoreTopic, "RW Core topic")
flag.StringVar(&(cf.EventTopic), "event_topic", defaultEventTopic, "RW Core Event topic")
flag.Bool("in_competing_mode", false, "deprecated")
flag.StringVar(&(cf.KVStoreType), "kv_store_type", defaultKVStoreType, "KV store type")
flag.DurationVar(&(cf.KVStoreTimeout), "kv_store_request_timeout", defaultKVStoreTimeout, "The default timeout when making a kv store request")
flag.StringVar(&(cf.KVStoreAddress), "kv_store_address", defaultKVStoreAddress, "KV store address")
flag.IntVar(&(cf.KVTxnKeyDelTime), "kv_txn_delete_time", defaultKVTxnKeyDelTime, "The time to wait before deleting a completed transaction key")
flag.StringVar(&(cf.LogLevel), "log_level", defaultLogLevel, "Log level")
flag.DurationVar(&(cf.LongRunningRequestTimeout), "timeout_long_request", defaultLongRunningRequestTimeout, "Timeout for long running request")
flag.DurationVar(&(cf.DefaultRequestTimeout), "timeout_request", defaultDefaultRequestTimeout, "Default timeout for regular request")
flag.DurationVar(&(cf.DefaultCoreTimeout), "core_timeout", defaultCoreTimeout, "Default Core timeout")
flag.BoolVar(&cf.Banner, "banner", defaultBanner, "Show startup banner log lines")
flag.BoolVar(&cf.DisplayVersionOnly, "version", defaultDisplayVersionOnly, "Show version information and exit")
flag.StringVar(&(cf.CoreBindingKey), "core_binding_key", defaultCoreBindingKey, "The name of the meta-key whose value is the rw-core group to which the ofagent is bound")
flag.IntVar(&(cf.MaxConnectionRetries), "max_connection_retries", defaultMaxConnectionRetries, "The number of retries to connect to a dependent component")
flag.DurationVar(&(cf.ConnectionRetryInterval), "connection_retry_interval", defaultConnectionRetryInterval, "The number of seconds between each connection retry attempt")
flag.DurationVar(&(cf.LiveProbeInterval), "live_probe_interval", defaultLiveProbeInterval, "The number of seconds between liveness probes while in a live state")
flag.DurationVar(&(cf.NotLiveProbeInterval), "not_live_probe_interval", defaultNotLiveProbeInterval, "The number of seconds between liveness probes while in a not live state")
flag.StringVar(&(cf.ProbeAddress), "probe_address", defaultProbeAddress, "The address on which to listen to answer liveness and readiness probe queries over HTTP")
flag.BoolVar(&(cf.TraceEnabled), "trace_enabled", defaultTraceEnabled, "Whether to send logs to tracing agent?")
flag.StringVar(&(cf.TraceAgentAddress), "trace_agent_address", defaultTraceAgentAddress, "The address of tracing agent to which span info should be sent")
flag.BoolVar(&(cf.LogCorrelationEnabled), "log_correlation_enabled", defaultLogCorrelationEnabled, "Whether to enrich log statements with fields denoting operation being executed for achieving correlation?")
flag.StringVar(&cf.VolthaStackID, "stack_id", defaultVolthaStackID, "ID for the current voltha stack")
flag.DurationVar(&(cf.BackoffRetryInitialInterval), "backoff_retry_initial_interval", defaultBackoffRetryInitialInterval, "The initial number of milliseconds an exponential backoff will wait before a retry")
flag.DurationVar(&(cf.BackoffRetryMaxElapsedTime), "backoff_retry_max_elapsed_time", defaultBackoffRetryMaxElapsedTime, "The maximum number of milliseconds an exponential backoff can elasped")
flag.DurationVar(&(cf.BackoffRetryMaxInterval), "backoff_retry_max_interval", defaultBackoffRetryMaxInterval, "The maximum number of milliseconds of an exponential backoff interval")
flag.Parse()
}