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Revert "(v6 - #3) remove config package from this repo, use ld-relay-…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,253 @@ | ||
| package config | ||
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| import ( | ||
| "time" | ||
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| ct "github.com/launchdarkly/go-configtypes" | ||
| "github.com/launchdarkly/ld-relay/v6/core/logging" | ||
| ) | ||
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| const ( | ||
| // DefaultPort is the port that Relay runs on if not otherwise specified. | ||
| DefaultPort = 8030 | ||
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| // DefaultBaseURI is the default value for the base URI of LaunchDarkly services (polling endpoints). | ||
| DefaultBaseURI = "https://app.launchdarkly.com" | ||
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| // DefaultStreamURI is the default value for the base URI of LaunchDarkly services (streaming endpoints). | ||
| DefaultStreamURI = "https://stream.launchdarkly.com" | ||
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| // DefaultEventsURI is the default value for the base URI of LaunchDarkly services (event endpoints). | ||
| DefaultEventsURI = "https://events.launchdarkly.com" | ||
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| // DefaultEventCapacity is the default value for EventsConfig.Capacity if not specified. | ||
| DefaultEventCapacity = 1000 | ||
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| // DefaultHeartbeatInterval is the default value for MainConfig.HeartBeatInterval if not specified. | ||
| DefaultHeartbeatInterval = time.Minute * 3 | ||
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| // DefaultEventsFlushInterval is the default value for EventsConfig.FlushInterval if not specified. | ||
| DefaultEventsFlushInterval = time.Second * 5 | ||
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| // DefaultDisconnectedStatusTime is the default value for MainConfig.DisconnectedStatusTime if not specified. | ||
| DefaultDisconnectedStatusTime = time.Minute | ||
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| // DefaultDatabaseCacheTTL is the default value for the LocalTTL parameter for databases if not specified. | ||
| DefaultDatabaseCacheTTL = time.Second * 30 | ||
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| // DefaultPrometheusPort is the default value for PrometheusConfig.Port if not specified. | ||
| DefaultPrometheusPort = 8031 | ||
| ) | ||
|
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| const ( | ||
| defaultRedisHost = "localhost" | ||
| defaultRedisPort = 6379 | ||
| defaultConsulHost = "localhost" | ||
| ) | ||
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| var ( | ||
| defaultRedisURL, _ = ct.NewOptURLAbsoluteFromString("redis://localhost:6379") //nolint:gochecknoglobals | ||
| ) | ||
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| // DefaultLoggers is the default logging configuration used by Relay. | ||
| // | ||
| // Output goes to stdout, except Error level which goes to stderr. Debug level is disabled. | ||
| var DefaultLoggers = logging.MakeDefaultLoggers() //nolint:gochecknoglobals | ||
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| // Config describes the configuration for a relay instance. | ||
| // | ||
| // Some fields use special types that enforce validation rules, such as URL fields which must | ||
| // be absolute URLs, port numbers which must be greater than zero, or durations. This validation | ||
| // is done automatically when reading the configuration from a file or from environment variables. | ||
| // | ||
| // If you are incorporating Relay into your own code and configuring it programmatically, you | ||
| // may need to use functions from go-configtypes such as NewOptDuration to set fields that have | ||
| // validation rules. | ||
| // | ||
| // Since configuration options can be set either programmatically, or from a file, or from environment | ||
| // variables, individual fields are not documented here; instead, see the `README.md` section on | ||
| // configuration. | ||
| type Config struct { | ||
| Main MainConfig | ||
| Events EventsConfig | ||
| Redis RedisConfig | ||
| Consul ConsulConfig | ||
| DynamoDB DynamoDBConfig | ||
| Environment map[string]*EnvConfig | ||
| Proxy ProxyConfig | ||
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| // Optional configuration for metrics integrations. Note that unlike the other fields in Config, | ||
| // MetricsConfig is not the name of a configuration file section; the actual sections are the | ||
| // structs within this struct (Datadog, etc.). | ||
| MetricsConfig | ||
| } | ||
|
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| // MainConfig contains global configuration options for Relay. | ||
| // | ||
| // This corresponds to the [Main] section in the configuration file. | ||
| // | ||
| // Since configuration options can be set either programmatically, or from a file, or from environment | ||
| // variables, individual fields are not documented here; instead, see the `README.md` section on | ||
| // configuration. | ||
| type MainConfig struct { | ||
| ExitOnError bool `conf:"EXIT_ON_ERROR"` | ||
| ExitAlways bool `conf:"EXIT_ALWAYS"` | ||
| IgnoreConnectionErrors bool `conf:"IGNORE_CONNECTION_ERRORS"` | ||
| StreamURI ct.OptURLAbsolute `conf:"STREAM_URI"` | ||
| BaseURI ct.OptURLAbsolute `conf:"BASE_URI"` | ||
| Port ct.OptIntGreaterThanZero `conf:"PORT"` | ||
| HeartbeatInterval ct.OptDuration `conf:"HEARTBEAT_INTERVAL"` | ||
| MaxClientConnectionTime ct.OptDuration `conf:"MAX_CLIENT_CONNECTION_TIME"` | ||
| DisconnectedStatusTime ct.OptDuration `conf:"DISCONNECTED_STATUS_TIME"` | ||
| TLSEnabled bool `conf:"TLS_ENABLED"` | ||
| TLSCert string `conf:"TLS_CERT"` | ||
| TLSKey string `conf:"TLS_KEY"` | ||
| TLSMinVersion OptTLSVersion `conf:"TLS_MIN_VERSION"` | ||
| LogLevel OptLogLevel `conf:"LOG_LEVEL"` | ||
| } | ||
|
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| // EventsConfig contains configuration parameters for proxying events. | ||
| // | ||
| // Since configuration options can be set either programmatically, or from a file, or from environment | ||
| // variables, individual fields are not documented here; instead, see the `README.md` section on | ||
| // configuration. | ||
| type EventsConfig struct { | ||
| EventsURI ct.OptURLAbsolute `conf:"EVENTS_HOST"` | ||
| SendEvents bool `conf:"USE_EVENTS"` | ||
| FlushInterval ct.OptDuration `conf:"EVENTS_FLUSH_INTERVAL"` | ||
| Capacity ct.OptIntGreaterThanZero `conf:"EVENTS_CAPACITY"` | ||
| InlineUsers bool `conf:"EVENTS_INLINE_USERS"` | ||
| } | ||
|
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| // RedisConfig configures the optional Redis integration. | ||
| // | ||
| // Redis is enabled if URL or Host is non-empty or if Port is set. If only Host or Port is set, | ||
| // the other value is set to defaultRedisPort or defaultRedisHost. It is an error to set Host or | ||
| // Port if URL is also set. | ||
| // | ||
| // This corresponds to the [Redis] section in the configuration file. | ||
| // | ||
| // Since configuration options can be set either programmatically, or from a file, or from environment | ||
| // variables, individual fields are not documented here; instead, see the `README.md` section on | ||
| // configuration. | ||
| type RedisConfig struct { | ||
| Host string `conf:"REDIS_HOST"` | ||
| Port ct.OptIntGreaterThanZero | ||
| URL ct.OptURLAbsolute `conf:"REDIS_URL"` | ||
| LocalTTL ct.OptDuration `conf:"CACHE_TTL"` | ||
| TLS bool `conf:"REDIS_TLS"` | ||
| Password string `conf:"REDIS_PASSWORD"` | ||
| } | ||
|
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| // ConsulConfig configures the optional Consul integration. | ||
| // | ||
| // Consul is enabled if Host is non-empty. | ||
| // | ||
| // This corresponds to the [Consul] section in the configuration file. | ||
| // | ||
| // Since configuration options can be set either programmatically, or from a file, or from environment | ||
| // variables, individual fields are not documented here; instead, see the `README.md` section on | ||
| // configuration. | ||
| type ConsulConfig struct { | ||
| Host string `conf:"CONSUL_HOST"` | ||
| LocalTTL ct.OptDuration `conf:"CACHE_TTL"` | ||
| } | ||
|
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| // DynamoDBConfig configures the optional DynamoDB integration, which is used only if Enabled is true. | ||
| // | ||
| // This corresponds to the [DynamoDB] section in the configuration file. | ||
| // | ||
| // Since configuration options can be set either programmatically, or from a file, or from environment | ||
| // variables, individual fields are not documented here; instead, see the `README.md` section on | ||
| // configuration. | ||
| type DynamoDBConfig struct { | ||
| Enabled bool `conf:"USE_DYNAMODB"` | ||
| TableName string `conf:"DYNAMODB_TABLE"` | ||
| URL ct.OptURLAbsolute `conf:"DYNAMODB_URL"` | ||
| LocalTTL ct.OptDuration `conf:"CACHE_TTL"` | ||
| } | ||
|
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| // EnvConfig describes an environment to be relayed. There may be any number of these. | ||
| // | ||
| // This corresponds to one of the [environment "env-name"] sections in the configuration file. In the | ||
| // Config.Environment map, each key is an environment name and each value is an EnvConfig. | ||
| // | ||
| // Since configuration options can be set either programmatically, or from a file, or from environment | ||
| // variables, individual fields are not documented here; instead, see the `README.md` section on | ||
| // configuration. | ||
| type EnvConfig struct { | ||
| SDKKey SDKKey // set from env var LD_ENV_envname | ||
| MobileKey MobileKey `conf:"LD_MOBILE_KEY_"` | ||
| EnvID EnvironmentID `conf:"LD_CLIENT_SIDE_ID_"` | ||
| Prefix string `conf:"LD_PREFIX_"` // used only if Redis, Consul, or DynamoDB is enabled | ||
| TableName string `conf:"LD_TABLE_NAME_"` // used only if DynamoDB is enabled | ||
| AllowedOrigin ct.OptStringList `conf:"LD_ALLOWED_ORIGIN_"` | ||
| SecureMode bool `conf:"LD_SECURE_MODE_"` | ||
| InsecureSkipVerify bool // deliberately not settable by env vars | ||
| LogLevel OptLogLevel `conf:"LD_LOG_LEVEL_"` | ||
| TTL ct.OptDuration `conf:"LD_TTL_"` | ||
| } | ||
|
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| // ProxyConfig represents all the supported proxy options. | ||
| // | ||
| // Since configuration options can be set either programmatically, or from a file, or from environment | ||
| // variables, individual fields are not documented here; instead, see the `README.md` section on | ||
| // configuration. | ||
| type ProxyConfig struct { | ||
| URL ct.OptURLAbsolute `conf:"PROXY_URL"` | ||
| NTLMAuth bool `conf:"PROXY_AUTH_NTLM"` | ||
| User string `conf:"PROXY_AUTH_USER"` | ||
| Password string `conf:"PROXY_AUTH_PASSWORD"` | ||
| Domain string `conf:"PROXY_AUTH_DOMAIN"` | ||
| CACertFiles ct.OptStringList `conf:"PROXY_CA_CERTS"` | ||
| } | ||
|
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| // MetricsConfig contains configurations for optional metrics integrations. | ||
| // | ||
| // This corresponds to the [Datadog], [Stackdriver], and [Prometheus] sections in the configuration file. | ||
| type MetricsConfig struct { | ||
| Datadog DatadogConfig | ||
| Stackdriver StackdriverConfig | ||
| Prometheus PrometheusConfig | ||
| } | ||
|
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| // DatadogConfig configures the optional Datadog integration, which is used only if Enabled is true. | ||
| // | ||
| // This corresponds to the [Datadog] section in the configuration file. | ||
| // | ||
| // Since configuration options can be set either programmatically, or from a file, or from environment | ||
| // variables, individual fields are not documented here; instead, see the `README.md` section on | ||
| // configuration. | ||
| type DatadogConfig struct { | ||
| Enabled bool `conf:"USE_DATADOG"` | ||
| Prefix string `conf:"DATADOG_PREFIX"` | ||
| TraceAddr string `conf:"DATADOG_TRACE_ADDR"` | ||
| StatsAddr string `conf:"DATADOG_STATS_ADDR"` | ||
| Tag []string // special handling in LoadConfigFromEnvironment | ||
| } | ||
|
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| // StackdriverConfig configures the optional Stackdriver integration, which is used only if Enabled is true. | ||
| // | ||
| // This corresponds to the [StackdriverConfig] section in the configuration file. | ||
| // | ||
| // Since configuration options can be set either programmatically, or from a file, or from environment | ||
| // variables, individual fields are not documented here; instead, see the `README.md` section on | ||
| // configuration. | ||
| type StackdriverConfig struct { | ||
| Enabled bool `conf:"USE_STACKDRIVER"` | ||
| Prefix string `conf:"STACKDRIVER_PREFIX"` | ||
| ProjectID string `conf:"STACKDRIVER_PROJECT_ID"` | ||
| } | ||
|
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| // PrometheusConfig configures the optional Prometheus integration, which is used only if Enabled is true. | ||
| // | ||
| // This corresponds to the [PrometheusConfig] section in the configuration file. | ||
| // | ||
| // Since configuration options can be set either programmatically, or from a file, or from environment | ||
| // variables, individual fields are not documented here; instead, see the `README.md` section on | ||
| // configuration. | ||
| type PrometheusConfig struct { | ||
| Enabled bool `conf:"USE_PROMETHEUS"` | ||
| Prefix string `conf:"PROMETHEUS_PREFIX"` | ||
| Port ct.OptIntGreaterThanZero `conf:"PROMETHEUS_PORT"` | ||
| } |
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