// Copyright (c) HashiCorp, Inc. // SPDX-License-Identifier: BUSL-1.1 package config import ( "encoding/json" "fmt" "time" "github.com/hashicorp/hcl" "github.com/mitchellh/mapstructure" "github.com/hashicorp/consul/lib/decode" ) // Source parses configuration from some source. type Source interface { // Source returns an identifier for the Source that can be used in error message Source() string // Parse a configuration and return the result. Parse() (Config, Metadata, error) } // ErrNoData indicates to Builder.Build that the source contained no data, and // it can be skipped. var ErrNoData = fmt.Errorf("config source contained no data") // FileSource implements Source and parses a config from a file. type FileSource struct { Name string Format string Data string } func (f FileSource) Source() string { return f.Name } // Parse a config file in either JSON or HCL format. func (f FileSource) Parse() (Config, Metadata, error) { m := Metadata{} if f.Name == "" || f.Data == "" { return Config{}, m, ErrNoData } var raw map[string]interface{} var err error var md mapstructure.Metadata switch f.Format { case "json": err = json.Unmarshal([]byte(f.Data), &raw) case "hcl": err = hcl.Decode(&raw, f.Data) default: err = fmt.Errorf("invalid format: %s", f.Format) } if err != nil { return Config{}, m, err } var target decodeTarget d, err := mapstructure.NewDecoder(&mapstructure.DecoderConfig{ DecodeHook: mapstructure.ComposeDecodeHookFunc( // decode.HookWeakDecodeFromSlice is only necessary when reading from // an HCL config file. In the future we could omit it when reading from // JSON configs. It is left here for now to maintain backwards compat // for the unlikely scenario that someone is using malformed JSON configs // and expecting this behaviour to correct their config. decode.HookWeakDecodeFromSlice, decode.HookTranslateKeys, ), Metadata: &md, Result: &target, }) if err != nil { return Config{}, m, err } if err := d.Decode(raw); err != nil { return Config{}, m, err } c, warns := applyDeprecatedConfig(&target) m.Unused = md.Unused m.Keys = md.Keys m.Warnings = warns return c, m, nil } // Metadata created by Source.Parse type Metadata struct { // Keys used in the config file. Keys []string // Unused keys that did not match any struct fields. Unused []string // Warnings caused by deprecated fields Warnings []string } // LiteralSource implements Source and returns an existing Config struct. type LiteralSource struct { Name string Config Config } func (l LiteralSource) Source() string { return l.Name } func (l LiteralSource) Parse() (Config, Metadata, error) { return l.Config, Metadata{}, nil } type decodeTarget struct { DeprecatedConfig `mapstructure:",squash"` Config `mapstructure:",squash"` } // Cache configuration for the agent/cache. type Cache struct { // EntryFetchMaxBurst max burst size of RateLimit for a single cache entry EntryFetchMaxBurst *int `mapstructure:"entry_fetch_max_burst"` // EntryFetchRate represents the max calls/sec for a single cache entry EntryFetchRate *float64 `mapstructure:"entry_fetch_rate"` } // Config defines the format of a configuration file in either JSON or // HCL format. // // It must contain only pointer values, slices and maps to support // standardized merging of multiple Config structs into one. // // Since this is the format which users use to specify their // configuration it should be treated as an external API which cannot be // changed and refactored at will since this will break existing setups. type Config struct { ACL ACL `mapstructure:"acl" json:"-"` Addresses Addresses `mapstructure:"addresses" json:"-"` AdvertiseAddrLAN *string `mapstructure:"advertise_addr" json:"advertise_addr,omitempty"` AdvertiseAddrLANIPv4 *string `mapstructure:"advertise_addr_ipv4" json:"advertise_addr_ipv4,omitempty"` AdvertiseAddrLANIPv6 *string `mapstructure:"advertise_addr_ipv6" json:"advertise_addr_ipv6,omitempty"` AdvertiseAddrWAN *string `mapstructure:"advertise_addr_wan" json:"advertise_addr_wan,omitempty"` AdvertiseAddrWANIPv4 *string `mapstructure:"advertise_addr_wan_ipv4" json:"advertise_addr_wan_ipv4,omitempty"` AdvertiseAddrWANIPv6 *string `mapstructure:"advertise_addr_wan_ipv6" json:"advertise_addr_wan_ipv6,omitempty"` AdvertiseReconnectTimeout *string `mapstructure:"advertise_reconnect_timeout" json:"-"` AutoConfig AutoConfigRaw `mapstructure:"auto_config" json:"-"` Autopilot Autopilot `mapstructure:"autopilot" json:"-"` BindAddr *string `mapstructure:"bind_addr" json:"bind_addr,omitempty"` Bootstrap *bool `mapstructure:"bootstrap" json:"bootstrap,omitempty"` BootstrapExpect *int `mapstructure:"bootstrap_expect" json:"bootstrap_expect,omitempty"` Cache Cache `mapstructure:"cache" json:"-"` Check *CheckDefinition `mapstructure:"check" json:"-"` // needs to be a pointer to avoid partial merges CheckOutputMaxSize *int `mapstructure:"check_output_max_size" json:"check_output_max_size,omitempty"` CheckUpdateInterval *string `mapstructure:"check_update_interval" json:"check_update_interval,omitempty"` Checks []CheckDefinition `mapstructure:"checks" json:"-"` ClientAddr *string `mapstructure:"client_addr" json:"client_addr,omitempty"` Cloud *CloudConfigRaw `mapstructure:"cloud" json:"-"` ConfigEntries ConfigEntries `mapstructure:"config_entries" json:"-"` AutoEncrypt AutoEncrypt `mapstructure:"auto_encrypt" json:"auto_encrypt,omitempty"` Connect Connect `mapstructure:"connect" json:"connect,omitempty"` DNS DNS `mapstructure:"dns_config" json:"-"` DNSDomain *string `mapstructure:"domain" json:"domain,omitempty"` DNSAltDomain *string `mapstructure:"alt_domain" json:"alt_domain,omitempty"` DNSRecursors []string `mapstructure:"recursors" json:"recursors,omitempty"` DataDir *string `mapstructure:"data_dir" json:"data_dir,omitempty"` Datacenter *string `mapstructure:"datacenter" json:"datacenter,omitempty"` DefaultQueryTime *string `mapstructure:"default_query_time" json:"default_query_time,omitempty"` DisableAnonymousSignature *bool `mapstructure:"disable_anonymous_signature" json:"disable_anonymous_signature,omitempty"` DisableCoordinates *bool `mapstructure:"disable_coordinates" json:"disable_coordinates,omitempty"` DisableHostNodeID *bool `mapstructure:"disable_host_node_id" json:"disable_host_node_id,omitempty"` DisableHTTPUnprintableCharFilter *bool `mapstructure:"disable_http_unprintable_char_filter" json:"disable_http_unprintable_char_filter,omitempty"` DisableKeyringFile *bool `mapstructure:"disable_keyring_file" json:"disable_keyring_file,omitempty"` DisableRemoteExec *bool `mapstructure:"disable_remote_exec" json:"disable_remote_exec,omitempty"` DisableUpdateCheck *bool `mapstructure:"disable_update_check" json:"disable_update_check,omitempty"` DiscardCheckOutput *bool `mapstructure:"discard_check_output" json:"discard_check_output,omitempty"` DiscoveryMaxStale *string `mapstructure:"discovery_max_stale" json:"discovery_max_stale,omitempty"` EnableAgentTLSForChecks *bool `mapstructure:"enable_agent_tls_for_checks" json:"enable_agent_tls_for_checks,omitempty"` EnableCentralServiceConfig *bool `mapstructure:"enable_central_service_config" json:"enable_central_service_config,omitempty"` EnableDebug *bool `mapstructure:"enable_debug" json:"enable_debug,omitempty"` EnableScriptChecks *bool `mapstructure:"enable_script_checks" json:"enable_script_checks,omitempty"` EnableLocalScriptChecks *bool `mapstructure:"enable_local_script_checks" json:"enable_local_script_checks,omitempty"` EnableSyslog *bool `mapstructure:"enable_syslog" json:"enable_syslog,omitempty"` EncryptKey *string `mapstructure:"encrypt" json:"encrypt,omitempty"` EncryptVerifyIncoming *bool `mapstructure:"encrypt_verify_incoming" json:"encrypt_verify_incoming,omitempty"` EncryptVerifyOutgoing *bool `mapstructure:"encrypt_verify_outgoing" json:"encrypt_verify_outgoing,omitempty"` Experiments []string `mapstructure:"experiments" json:"experiments,omitempty"` GossipLAN GossipLANConfig `mapstructure:"gossip_lan" json:"-"` GossipWAN GossipWANConfig `mapstructure:"gossip_wan" json:"-"` HTTPConfig HTTPConfig `mapstructure:"http_config" json:"-"` LeaveOnTerm *bool `mapstructure:"leave_on_terminate" json:"leave_on_terminate,omitempty"` LicensePath *string `mapstructure:"license_path" json:"license_path,omitempty"` Limits Limits `mapstructure:"limits" json:"-"` Locality *Locality `mapstructure:"locality" json:"-"` LogLevel *string `mapstructure:"log_level" json:"log_level,omitempty"` LogJSON *bool `mapstructure:"log_json" json:"log_json,omitempty"` LogFile *string `mapstructure:"log_file" json:"log_file,omitempty"` LogRotateDuration *string `mapstructure:"log_rotate_duration" json:"log_rotate_duration,omitempty"` LogRotateBytes *int `mapstructure:"log_rotate_bytes" json:"log_rotate_bytes,omitempty"` LogRotateMaxFiles *int `mapstructure:"log_rotate_max_files" json:"log_rotate_max_files,omitempty"` MaxQueryTime *string `mapstructure:"max_query_time" json:"max_query_time,omitempty"` NodeID *string `mapstructure:"node_id" json:"node_id,omitempty"` NodeMeta map[string]string `mapstructure:"node_meta" json:"node_meta,omitempty"` NodeName *string `mapstructure:"node_name" json:"node_name,omitempty"` Peering Peering `mapstructure:"peering" json:"-"` Performance Performance `mapstructure:"performance" json:"-"` PidFile *string `mapstructure:"pid_file" json:"pid_file,omitempty"` Ports Ports `mapstructure:"ports" json:"ports,omitempty"` PrimaryDatacenter *string `mapstructure:"primary_datacenter" json:"primary_datacenter,omitempty"` PrimaryGateways []string `mapstructure:"primary_gateways" json:"primary_gateways,omitempty"` PrimaryGatewaysInterval *string `mapstructure:"primary_gateways_interval" json:"primary_gateways_interval,omitempty"` RPCProtocol *int `mapstructure:"protocol" json:"protocol,omitempty"` RaftProtocol *int `mapstructure:"raft_protocol" json:"raft_protocol,omitempty"` RaftSnapshotThreshold *int `mapstructure:"raft_snapshot_threshold" json:"raft_snapshot_threshold,omitempty"` RaftSnapshotInterval *string `mapstructure:"raft_snapshot_interval" json:"raft_snapshot_interval,omitempty"` RaftTrailingLogs *int `mapstructure:"raft_trailing_logs" json:"raft_trailing_logs,omitempty"` ReconnectTimeoutLAN *string `mapstructure:"reconnect_timeout" json:"reconnect_timeout,omitempty"` ReconnectTimeoutWAN *string `mapstructure:"reconnect_timeout_wan" json:"reconnect_timeout_wan,omitempty"` RejoinAfterLeave *bool `mapstructure:"rejoin_after_leave" json:"rejoin_after_leave,omitempty"` AutoReloadConfig *bool `mapstructure:"auto_reload_config" json:"auto_reload_config,omitempty"` RetryJoinIntervalLAN *string `mapstructure:"retry_interval" json:"retry_interval,omitempty"` RetryJoinIntervalWAN *string `mapstructure:"retry_interval_wan" json:"retry_interval_wan,omitempty"` RetryJoinLAN []string `mapstructure:"retry_join" json:"retry_join,omitempty"` RetryJoinMaxAttemptsLAN *int `mapstructure:"retry_max" json:"retry_max,omitempty"` RetryJoinMaxAttemptsWAN *int `mapstructure:"retry_max_wan" json:"retry_max_wan,omitempty"` RetryJoinWAN []string `mapstructure:"retry_join_wan" json:"retry_join_wan,omitempty"` SerfAllowedCIDRsLAN []string `mapstructure:"serf_lan_allowed_cidrs" json:"serf_lan_allowed_cidrs,omitempty"` SerfAllowedCIDRsWAN []string `mapstructure:"serf_wan_allowed_cidrs" json:"serf_wan_allowed_cidrs,omitempty"` SerfBindAddrLAN *string `mapstructure:"serf_lan" json:"serf_lan,omitempty"` SerfBindAddrWAN *string `mapstructure:"serf_wan" json:"serf_wan,omitempty"` ServerMode *bool `mapstructure:"server" json:"server,omitempty"` ServerName *string `mapstructure:"server_name" json:"server_name,omitempty"` ServerRejoinAgeMax *string `mapstructure:"server_rejoin_age_max" json:"server_rejoin_age_max,omitempty"` Service *ServiceDefinition `mapstructure:"service" json:"-"` Services []ServiceDefinition `mapstructure:"services" json:"-"` SessionTTLMin *string `mapstructure:"session_ttl_min" json:"session_ttl_min,omitempty"` SkipLeaveOnInt *bool `mapstructure:"skip_leave_on_interrupt" json:"skip_leave_on_interrupt,omitempty"` SyslogFacility *string `mapstructure:"syslog_facility" json:"syslog_facility,omitempty"` TLS TLS `mapstructure:"tls" json:"tls,omitempty"` TaggedAddresses map[string]string `mapstructure:"tagged_addresses" json:"tagged_addresses,omitempty"` Telemetry Telemetry `mapstructure:"telemetry" json:"telemetry,omitempty"` TranslateWANAddrs *bool `mapstructure:"translate_wan_addrs" json:"translate_wan_addrs,omitempty"` XDS XDS `mapstructure:"xds" json:"-"` // DEPRECATED (ui-config) - moved to the ui_config stanza UI *bool `mapstructure:"ui" json:"-"` // DEPRECATED (ui-config) - moved to the ui_config stanza UIContentPath *string `mapstructure:"ui_content_path" json:"-"` // DEPRECATED (ui-config) - moved to the ui_config stanza UIDir *string `mapstructure:"ui_dir" json:"-"` UIConfig RawUIConfig `mapstructure:"ui_config" json:"-"` UnixSocket UnixSocket `mapstructure:"unix_sockets" json:"-"` Watches []map[string]interface{} `mapstructure:"watches" json:"-"` RPC RPC `mapstructure:"rpc" json:"-"` RaftLogStore RaftLogStoreRaw `mapstructure:"raft_logstore" json:"raft_logstore,omitempty"` // UseStreamingBackend instead of blocking queries for service health and // any other endpoints which support streaming. UseStreamingBackend *bool `mapstructure:"use_streaming_backend" json:"-"` // This isn't used by Consul but we've documented a feature where users // can deploy their snapshot agent configs alongside their Consul configs // so we have a placeholder here so it can be parsed but this doesn't // manifest itself in any way inside the runtime config. SnapshotAgent map[string]interface{} `mapstructure:"snapshot_agent" json:"-"` // non-user configurable values AEInterval *string `mapstructure:"ae_interval" json:"-"` CheckDeregisterIntervalMin *string `mapstructure:"check_deregister_interval_min" json:"-"` CheckReapInterval *string `mapstructure:"check_reap_interval" json:"-"` Consul Consul `mapstructure:"consul" json:"-"` Revision *string `mapstructure:"revision" json:"-"` SegmentLimit *int `mapstructure:"segment_limit" json:"-"` SegmentNameLimit *int `mapstructure:"segment_name_limit" json:"-"` SyncCoordinateIntervalMin *string `mapstructure:"sync_coordinate_interval_min" json:"-"` SyncCoordinateRateTarget *float64 `mapstructure:"sync_coordinate_rate_target" json:"-"` Version *string `mapstructure:"version" json:"-"` VersionPrerelease *string `mapstructure:"version_prerelease" json:"-"` VersionMetadata *string `mapstructure:"version_metadata" json:"-"` BuildDate *time.Time `mapstructure:"build_date" json:"-"` // Enterprise Only Audit Audit `mapstructure:"audit" json:"-"` // Enterprise Only ReadReplica *bool `mapstructure:"read_replica" alias:"non_voting_server" json:"-"` // Enterprise Only SegmentName *string `mapstructure:"segment" json:"-"` // Enterprise Only Segments []Segment `mapstructure:"segments" json:"-"` // Enterprise Only Partition *string `mapstructure:"partition" json:"-"` // Enterprise Only - not user configurable LicensePollBaseTime *string `mapstructure:"license_poll_base_time" json:"-"` LicensePollMaxTime *string `mapstructure:"license_poll_max_time" json:"-"` LicenseUpdateBaseTime *string `mapstructure:"license_update_base_time" json:"-"` LicenseUpdateMaxTime *string `mapstructure:"license_update_max_time" json:"-"` // license reporting Reporting Reporting `mapstructure:"reporting" json:"-"` } type GossipLANConfig struct { GossipNodes *int `mapstructure:"gossip_nodes"` GossipInterval *string `mapstructure:"gossip_interval"` ProbeInterval *string `mapstructure:"probe_interval"` ProbeTimeout *string `mapstructure:"probe_timeout"` SuspicionMult *int `mapstructure:"suspicion_mult"` RetransmitMult *int `mapstructure:"retransmit_mult"` } type GossipWANConfig struct { GossipNodes *int `mapstructure:"gossip_nodes"` GossipInterval *string `mapstructure:"gossip_interval"` ProbeInterval *string `mapstructure:"probe_interval"` ProbeTimeout *string `mapstructure:"probe_timeout"` SuspicionMult *int `mapstructure:"suspicion_mult"` RetransmitMult *int `mapstructure:"retransmit_mult"` } // Locality identifies where a given entity is running. type Locality struct { // Region is region the zone belongs to. Region *string `mapstructure:"region"` // Zone is the zone the entity is running in. Zone *string `mapstructure:"zone"` } type Consul struct { Coordinate struct { UpdateBatchSize *int `mapstructure:"update_batch_size"` UpdateMaxBatches *int `mapstructure:"update_max_batches"` UpdatePeriod *string `mapstructure:"update_period"` } `mapstructure:"coordinate"` Raft struct { ElectionTimeout *string `mapstructure:"election_timeout"` HeartbeatTimeout *string `mapstructure:"heartbeat_timeout"` LeaderLeaseTimeout *string `mapstructure:"leader_lease_timeout"` } `mapstructure:"raft"` Server struct { HealthInterval *string `mapstructure:"health_interval"` } `mapstructure:"server"` } type Addresses struct { DNS *string `mapstructure:"dns"` HTTP *string `mapstructure:"http"` HTTPS *string `mapstructure:"https"` GRPC *string `mapstructure:"grpc"` GRPCTLS *string `mapstructure:"grpc_tls"` } type AdvertiseAddrsConfig struct { RPC *string `mapstructure:"rpc"` SerfLAN *string `mapstructure:"serf_lan"` SerfWAN *string `mapstructure:"serf_wan"` } type Autopilot struct { CleanupDeadServers *bool `mapstructure:"cleanup_dead_servers"` LastContactThreshold *string `mapstructure:"last_contact_threshold"` MaxTrailingLogs *int `mapstructure:"max_trailing_logs"` MinQuorum *uint `mapstructure:"min_quorum"` ServerStabilizationTime *string `mapstructure:"server_stabilization_time"` // Enterprise Only DisableUpgradeMigration *bool `mapstructure:"disable_upgrade_migration"` // Enterprise Only RedundancyZoneTag *string `mapstructure:"redundancy_zone_tag"` // Enterprise Only UpgradeVersionTag *string `mapstructure:"upgrade_version_tag"` } // ServiceWeights defines the registration of weights used in DNS for a Service type ServiceWeights struct { Passing *int `mapstructure:"passing"` Warning *int `mapstructure:"warning"` } type ServiceAddress struct { Address *string `mapstructure:"address"` Port *int `mapstructure:"port"` } type ServiceDefinition struct { Kind *string `mapstructure:"kind"` ID *string `mapstructure:"id"` Name *string `mapstructure:"name"` Tags []string `mapstructure:"tags"` Address *string `mapstructure:"address"` TaggedAddresses map[string]ServiceAddress `mapstructure:"tagged_addresses"` Meta map[string]string `mapstructure:"meta"` Port *int `mapstructure:"port"` SocketPath *string `mapstructure:"socket_path"` Check *CheckDefinition `mapstructure:"check"` Checks []CheckDefinition `mapstructure:"checks"` Token *string `mapstructure:"token"` Weights *ServiceWeights `mapstructure:"weights"` EnableTagOverride *bool `mapstructure:"enable_tag_override"` Proxy *ServiceProxy `mapstructure:"proxy"` Connect *ServiceConnect `mapstructure:"connect"` EnterpriseMeta `mapstructure:",squash"` } type CheckDefinition struct { ID *string `mapstructure:"id"` Name *string `mapstructure:"name"` Notes *string `mapstructure:"notes"` ServiceID *string `mapstructure:"service_id" alias:"serviceid"` Token *string `mapstructure:"token"` Status *string `mapstructure:"status"` ScriptArgs []string `mapstructure:"args" alias:"scriptargs"` HTTP *string `mapstructure:"http"` Header map[string][]string `mapstructure:"header"` Method *string `mapstructure:"method"` Body *string `mapstructure:"body"` DisableRedirects *bool `mapstructure:"disable_redirects"` OutputMaxSize *int `mapstructure:"output_max_size"` TCP *string `mapstructure:"tcp"` TCPUseTLS *bool `mapstructure:"tcp_use_tls"` UDP *string `mapstructure:"udp"` Interval *string `mapstructure:"interval"` DockerContainerID *string `mapstructure:"docker_container_id" alias:"dockercontainerid"` Shell *string `mapstructure:"shell"` GRPC *string `mapstructure:"grpc"` GRPCUseTLS *bool `mapstructure:"grpc_use_tls"` TLSServerName *string `mapstructure:"tls_server_name"` TLSSkipVerify *bool `mapstructure:"tls_skip_verify" alias:"tlsskipverify"` AliasNode *string `mapstructure:"alias_node"` AliasService *string `mapstructure:"alias_service"` Timeout *string `mapstructure:"timeout"` TTL *string `mapstructure:"ttl"` H2PING *string `mapstructure:"h2ping"` H2PingUseTLS *bool `mapstructure:"h2ping_use_tls"` OSService *string `mapstructure:"os_service"` SuccessBeforePassing *int `mapstructure:"success_before_passing"` FailuresBeforeWarning *int `mapstructure:"failures_before_warning"` FailuresBeforeCritical *int `mapstructure:"failures_before_critical"` DeregisterCriticalServiceAfter *string `mapstructure:"deregister_critical_service_after" alias:"deregistercriticalserviceafter"` EnterpriseMeta `mapstructure:",squash"` } // ServiceConnect is the connect block within a service registration type ServiceConnect struct { // Native is true when this service can natively understand Connect. Native *bool `mapstructure:"native"` // SidecarService is a nested Service Definition to register at the same time. // It's purely a convenience mechanism to allow specifying a sidecar service // along with the application service definition. It's nested nature allows // all of the fields to be defaulted which can reduce the amount of // boilerplate needed to register a sidecar service separately, but the end // result is identical to just making a second service registration via any // other means. SidecarService *ServiceDefinition `mapstructure:"sidecar_service"` } // ServiceProxy is the additional config needed for a Kind = connect-proxy // registration. type ServiceProxy struct { // DestinationServiceName is required and is the name of the service to accept // traffic for. DestinationServiceName *string `mapstructure:"destination_service_name"` // DestinationServiceID is optional and should only be specified for // "side-car" style proxies where the proxy is in front of just a single // instance of the service. It should be set to the service ID of the instance // being represented which must be registered to the same agent. It's valid to // provide a service ID that does not yet exist to avoid timing issues when // bootstrapping a service with a proxy. DestinationServiceID *string `mapstructure:"destination_service_id"` // LocalServiceAddress is the address of the local service instance. It is // optional and should only be specified for "side-car" style proxies. It will // default to 127.0.0.1 if the proxy is a "side-car" (DestinationServiceID is // set) but otherwise will be ignored. LocalServiceAddress *string `mapstructure:"local_service_address"` // LocalServicePort is the port of the local service instance. It is optional // and should only be specified for "side-car" style proxies. It will default // to the registered port for the instance if the proxy is a "side-car" // (DestinationServiceID is set) but otherwise will be ignored. LocalServicePort *int `mapstructure:"local_service_port"` // LocalServiceSocketPath is the socket of the local service instance. It is optional // and should only be specified for "side-car" style proxies. LocalServiceSocketPath string `mapstructure:"local_service_socket_path"` // TransparentProxy configuration. TransparentProxy *TransparentProxyConfig `mapstructure:"transparent_proxy"` // Mode represents how the proxy's inbound and upstream listeners are dialed. Mode *string `mapstructure:"mode"` // Config is the arbitrary configuration data provided with the proxy // registration. Config map[string]interface{} `mapstructure:"config"` // Upstreams describes any upstream dependencies the proxy instance should // setup. Upstreams []Upstream `mapstructure:"upstreams"` // Mesh Gateway Configuration MeshGateway *MeshGatewayConfig `mapstructure:"mesh_gateway"` // Expose defines whether checks or paths are exposed through the proxy Expose *ExposeConfig `mapstructure:"expose"` } // Upstream represents a single upstream dependency for a service or proxy. It // describes the mechanism used to discover instances to communicate with (the // Target) as well as any potential client configuration that may be useful such // as load balancer options, timeouts etc. type Upstream struct { // Destination fields are the required ones for determining what this upstream // points to. Depending on DestinationType some other fields below might // further restrict the set of instances allowable. // // DestinationType would be better as an int constant but even with custom // JSON marshallers it causes havoc with all the mapstructure mangling we do // on service definitions in various places. DestinationType *string `mapstructure:"destination_type"` DestinationNamespace *string `mapstructure:"destination_namespace"` DestinationPartition *string `mapstructure:"destination_partition"` DestinationPeer *string `mapstructure:"destination_peer"` DestinationName *string `mapstructure:"destination_name"` // Datacenter that the service discovery request should be run against. Note // for prepared queries, the actual results might be from a different // datacenter. Datacenter *string `mapstructure:"datacenter"` // It would be worth thinking about a separate structure for these four items, // unifying under address as something like "unix:/tmp/foo", "tcp:localhost:80" could make sense // LocalBindAddress is the ip address a side-car proxy should listen on for // traffic destined for this upstream service. Default if empty and local bind socket // is not present is 127.0.0.1. LocalBindAddress *string `mapstructure:"local_bind_address"` // LocalBindPort is the ip address a side-car proxy should listen on for traffic // destined for this upstream service. Required. LocalBindPort *int `mapstructure:"local_bind_port"` // These are exclusive with LocalBindAddress/LocalBindPort. These are created under our control. LocalBindSocketPath *string `mapstructure:"local_bind_socket_path"` LocalBindSocketMode *string `mapstructure:"local_bind_socket_mode"` // Config is an opaque config that is specific to the proxy process being run. // It can be used to pass arbitrary configuration for this specific upstream // to the proxy. Config map[string]interface{} `mapstructure:"config"` // Mesh Gateway Configuration MeshGateway *MeshGatewayConfig `mapstructure:"mesh_gateway"` } type MeshGatewayConfig struct { // Mesh Gateway Mode Mode *string `mapstructure:"mode"` } type TransparentProxyConfig struct { // The port of the listener where outbound application traffic is being redirected to. OutboundListenerPort *int `mapstructure:"outbound_listener_port"` // DialedDirectly indicates whether transparent proxies can dial this proxy instance directly. // The discovery chain is not considered when dialing a service instance directly. // This setting is useful when addressing stateful services, such as a database cluster with a leader node. DialedDirectly *bool `mapstructure:"dialed_directly"` } // ExposeConfig describes HTTP paths to expose through Envoy outside of Connect. // Users can expose individual paths and/or all HTTP/GRPC paths for checks. type ExposeConfig struct { // Checks defines whether paths associated with Consul checks will be exposed. // This flag triggers exposing all HTTP and GRPC check paths registered for the service. Checks *bool `mapstructure:"checks"` // Port defines the port of the proxy's listener for exposed paths. Port *int `mapstructure:"port"` // Paths is the list of paths exposed through the proxy. Paths []ExposePath `mapstructure:"paths"` } type ExposePath struct { // ListenerPort defines the port of the proxy's listener for exposed paths. ListenerPort *int `mapstructure:"listener_port"` // Path is the path to expose through the proxy, ie. "/metrics." Path *string `mapstructure:"path"` // Protocol describes the upstream's service protocol. Protocol *string `mapstructure:"protocol"` // LocalPathPort is the port that the service is listening on for the given path. LocalPathPort *int `mapstructure:"local_path_port"` } // AutoEncrypt is the agent-global auto_encrypt configuration. type AutoEncrypt struct { // TLS enables receiving certificates for clients from servers TLS *bool `mapstructure:"tls" json:"tls,omitempty"` // Additional DNS SAN entries that clients request for their certificates. DNSSAN []string `mapstructure:"dns_san" json:"dns_san,omitempty"` // Additional IP SAN entries that clients request for their certificates. IPSAN []string `mapstructure:"ip_san" json:"ip_san,omitempty"` // AllowTLS enables the RPC endpoint on the server to answer // AutoEncrypt.Sign requests. AllowTLS *bool `mapstructure:"allow_tls" json:"allow_tls,omitempty"` } // Connect is the agent-global connect configuration. type Connect struct { // Enabled opts the agent into connect. It should be set on all clients and // servers in a cluster for correct connect operation. Enabled *bool `mapstructure:"enabled" json:"enabled,omitempty"` CAProvider *string `mapstructure:"ca_provider" json:"ca_provider,omitempty"` CAConfig map[string]interface{} `mapstructure:"ca_config" json:"ca_config,omitempty"` MeshGatewayWANFederationEnabled *bool `mapstructure:"enable_mesh_gateway_wan_federation" json:"enable_mesh_gateway_wan_federation,omitempty"` // TestCALeafRootChangeSpread controls how long after a CA roots change before new leaf certs will be generated. // This is only tuned in tests, generally set to 1ns to make tests deterministic with when to expect updated leaf // certs by. This configuration is not exposed to users (not documented, and agent/config/default.go will override it) TestCALeafRootChangeSpread *string `mapstructure:"test_ca_leaf_root_change_spread" json:"test_ca_leaf_root_change_spread,omitempty"` } // SOA is the configuration of SOA for DNS type SOA struct { Refresh *uint32 `mapstructure:"refresh"` Retry *uint32 `mapstructure:"retry"` Expire *uint32 `mapstructure:"expire"` Minttl *uint32 `mapstructure:"min_ttl"` } type DNS struct { AllowStale *bool `mapstructure:"allow_stale"` ARecordLimit *int `mapstructure:"a_record_limit"` DisableCompression *bool `mapstructure:"disable_compression"` EnableTruncate *bool `mapstructure:"enable_truncate"` MaxStale *string `mapstructure:"max_stale"` NodeTTL *string `mapstructure:"node_ttl"` OnlyPassing *bool `mapstructure:"only_passing"` RecursorStrategy *string `mapstructure:"recursor_strategy"` RecursorTimeout *string `mapstructure:"recursor_timeout"` ServiceTTL map[string]string `mapstructure:"service_ttl"` UDPAnswerLimit *int `mapstructure:"udp_answer_limit"` NodeMetaTXT *bool `mapstructure:"enable_additional_node_meta_txt"` SOA *SOA `mapstructure:"soa"` UseCache *bool `mapstructure:"use_cache"` CacheMaxAge *string `mapstructure:"cache_max_age"` // Enterprise Only PreferNamespace *bool `mapstructure:"prefer_namespace"` } type HTTPConfig struct { BlockEndpoints []string `mapstructure:"block_endpoints"` AllowWriteHTTPFrom []string `mapstructure:"allow_write_http_from"` ResponseHeaders map[string]string `mapstructure:"response_headers"` UseCache *bool `mapstructure:"use_cache"` MaxHeaderBytes *int `mapstructure:"max_header_bytes"` } type Performance struct { LeaveDrainTime *string `mapstructure:"leave_drain_time"` RaftMultiplier *int `mapstructure:"raft_multiplier"` // todo(fs): validate as uint RPCHoldTimeout *string `mapstructure:"rpc_hold_timeout"` GRPCKeepaliveInterval *string `mapstructure:"grpc_keepalive_interval"` GRPCKeepaliveTimeout *string `mapstructure:"grpc_keepalive_timeout"` } type Telemetry struct { CirconusAPIApp *string `mapstructure:"circonus_api_app" json:"circonus_api_app,omitempty"` CirconusAPIToken *string `mapstructure:"circonus_api_token" json:"circonus_api_token,omitempty"` CirconusAPIURL *string `mapstructure:"circonus_api_url" json:"circonus_api_url,omitempty"` CirconusBrokerID *string `mapstructure:"circonus_broker_id" json:"circonus_broker_id,omitempty"` CirconusBrokerSelectTag *string `mapstructure:"circonus_broker_select_tag" json:"circonus_broker_select_tag,omitempty"` CirconusCheckDisplayName *string `mapstructure:"circonus_check_display_name" json:"circonus_check_display_name,omitempty"` CirconusCheckForceMetricActivation *string `mapstructure:"circonus_check_force_metric_activation" json:"circonus_check_force_metric_activation,omitempty"` CirconusCheckID *string `mapstructure:"circonus_check_id" json:"circonus_check_id,omitempty"` CirconusCheckInstanceID *string `mapstructure:"circonus_check_instance_id" json:"circonus_check_instance_id,omitempty"` CirconusCheckSearchTag *string `mapstructure:"circonus_check_search_tag" json:"circonus_check_search_tag,omitempty"` CirconusCheckTags *string `mapstructure:"circonus_check_tags" json:"circonus_check_tags,omitempty"` CirconusSubmissionInterval *string `mapstructure:"circonus_submission_interval" json:"circonus_submission_interval,omitempty"` CirconusSubmissionURL *string `mapstructure:"circonus_submission_url" json:"circonus_submission_url,omitempty"` DisableHostname *bool `mapstructure:"disable_hostname" json:"disable_hostname,omitempty"` EnableHostMetrics *bool `mapstructure:"enable_host_metrics" json:"enable_host_metrics,omitempty"` DogstatsdAddr *string `mapstructure:"dogstatsd_addr" json:"dogstatsd_addr,omitempty"` DogstatsdTags []string `mapstructure:"dogstatsd_tags" json:"dogstatsd_tags,omitempty"` RetryFailedConfiguration *bool `mapstructure:"retry_failed_connection" json:"retry_failed_connection,omitempty"` FilterDefault *bool `mapstructure:"filter_default" json:"filter_default,omitempty"` PrefixFilter []string `mapstructure:"prefix_filter" json:"prefix_filter,omitempty"` MetricsPrefix *string `mapstructure:"metrics_prefix" json:"metrics_prefix,omitempty"` PrometheusRetentionTime *string `mapstructure:"prometheus_retention_time" json:"prometheus_retention_time,omitempty"` StatsdAddr *string `mapstructure:"statsd_address" json:"statsd_address,omitempty"` StatsiteAddr *string `mapstructure:"statsite_address" json:"statsite_address,omitempty"` } type Ports struct { DNS *int `mapstructure:"dns" json:"dns,omitempty"` HTTP *int `mapstructure:"http" json:"http,omitempty"` HTTPS *int `mapstructure:"https" json:"https,omitempty"` SerfLAN *int `mapstructure:"serf_lan" json:"serf_lan,omitempty"` SerfWAN *int `mapstructure:"serf_wan" json:"serf_wan,omitempty"` Server *int `mapstructure:"server" json:"server,omitempty"` GRPC *int `mapstructure:"grpc" json:"grpc,omitempty"` GRPCTLS *int `mapstructure:"grpc_tls" json:"grpc_tls,omitempty"` ProxyMinPort *int `mapstructure:"proxy_min_port" json:"proxy_min_port,omitempty"` ProxyMaxPort *int `mapstructure:"proxy_max_port" json:"proxy_max_port,omitempty"` SidecarMinPort *int `mapstructure:"sidecar_min_port" json:"sidecar_min_port,omitempty"` SidecarMaxPort *int `mapstructure:"sidecar_max_port" json:"sidecar_max_port,omitempty"` ExposeMinPort *int `mapstructure:"expose_min_port" json:"expose_min_port,omitempty" ` ExposeMaxPort *int `mapstructure:"expose_max_port" json:"expose_max_port,omitempty"` } type UnixSocket struct { Group *string `mapstructure:"group"` Mode *string `mapstructure:"mode"` User *string `mapstructure:"user"` } type RequestLimits struct { Mode *string `mapstructure:"mode"` ReadRate *float64 `mapstructure:"read_rate"` WriteRate *float64 `mapstructure:"write_rate"` } type Limits struct { HTTPMaxConnsPerClient *int `mapstructure:"http_max_conns_per_client"` HTTPSHandshakeTimeout *string `mapstructure:"https_handshake_timeout"` RequestLimits RequestLimits `mapstructure:"request_limits"` RPCClientTimeout *string `mapstructure:"rpc_client_timeout"` RPCHandshakeTimeout *string `mapstructure:"rpc_handshake_timeout"` RPCMaxBurst *int `mapstructure:"rpc_max_burst"` RPCMaxConnsPerClient *int `mapstructure:"rpc_max_conns_per_client"` RPCRate *float64 `mapstructure:"rpc_rate"` KVMaxValueSize *uint64 `mapstructure:"kv_max_value_size"` TxnMaxReqLen *uint64 `mapstructure:"txn_max_req_len"` } type Segment struct { Advertise *string `mapstructure:"advertise"` Bind *string `mapstructure:"bind"` Name *string `mapstructure:"name"` Port *int `mapstructure:"port"` RPCListener *bool `mapstructure:"rpc_listener"` } type ACL struct { Enabled *bool `mapstructure:"enabled"` TokenReplication *bool `mapstructure:"enable_token_replication"` PolicyTTL *string `mapstructure:"policy_ttl"` RoleTTL *string `mapstructure:"role_ttl"` TokenTTL *string `mapstructure:"token_ttl"` DownPolicy *string `mapstructure:"down_policy"` DefaultPolicy *string `mapstructure:"default_policy"` EnableKeyListPolicy *bool `mapstructure:"enable_key_list_policy"` Tokens Tokens `mapstructure:"tokens"` EnableTokenPersistence *bool `mapstructure:"enable_token_persistence"` // Enterprise Only MSPDisableBootstrap *bool `mapstructure:"msp_disable_bootstrap"` } type Tokens struct { InitialManagement *string `mapstructure:"initial_management"` Replication *string `mapstructure:"replication"` AgentRecovery *string `mapstructure:"agent_recovery"` Default *string `mapstructure:"default"` Agent *string `mapstructure:"agent"` ConfigFileRegistration *string `mapstructure:"config_file_service_registration"` DNS *string `mapstructure:"dns"` // Enterprise Only ManagedServiceProvider []ServiceProviderToken `mapstructure:"managed_service_provider"` DeprecatedTokens `mapstructure:",squash"` } type DeprecatedTokens struct { // DEPRECATED (ACL) - renamed to "initial_management" Master *string `mapstructure:"master"` // DEPRECATED (ACL) - renamed to "agent_recovery" AgentMaster *string `mapstructure:"agent_master"` } // ServiceProviderToken groups an accessor and secret for a service provider token. Enterprise Only type ServiceProviderToken struct { AccessorID *string `mapstructure:"accessor_id"` SecretID *string `mapstructure:"secret_id"` } type ConfigEntries struct { // Bootstrap is the list of config_entries that should only be persisted to // cluster on initial startup of a new leader if no such config exists // already. The type is map not structs.ConfigEntry for decoding reasons - we // need to figure out the right concrete type before we can decode it // unabiguously. Bootstrap []map[string]interface{} `mapstructure:"bootstrap"` } // Audit allows us to enable and define destinations for auditing type Audit struct { Enabled *bool `mapstructure:"enabled"` Sinks map[string]AuditSink `mapstructure:"sink"` RPCEnabled *bool `mapstructure:"rpc_enabled"` } // AuditSink can be provided multiple times to define pipelines for auditing type AuditSink struct { Type *string `mapstructure:"type"` Format *string `mapstructure:"format"` Path *string `mapstructure:"path"` DeliveryGuarantee *string `mapstructure:"delivery_guarantee"` Mode *string `mapstructure:"mode"` RotateBytes *int `mapstructure:"rotate_bytes"` RotateDuration *string `mapstructure:"rotate_duration"` RotateMaxFiles *int `mapstructure:"rotate_max_files"` } type AutoConfigRaw struct { Enabled *bool `mapstructure:"enabled"` IntroToken *string `mapstructure:"intro_token"` IntroTokenFile *string `mapstructure:"intro_token_file"` ServerAddresses []string `mapstructure:"server_addresses"` DNSSANs []string `mapstructure:"dns_sans"` IPSANs []string `mapstructure:"ip_sans"` Authorization AutoConfigAuthorizationRaw `mapstructure:"authorization"` } type AutoConfigAuthorizationRaw struct { Enabled *bool `mapstructure:"enabled"` Static AutoConfigAuthorizerRaw `mapstructure:"static"` } type AutoConfigAuthorizerRaw struct { ClaimAssertions []string `mapstructure:"claim_assertions"` AllowReuse *bool `mapstructure:"allow_reuse"` // Fields to be shared with the JWT Auth Method JWTSupportedAlgs []string `mapstructure:"jwt_supported_algs"` BoundAudiences []string `mapstructure:"bound_audiences"` ClaimMappings map[string]string `mapstructure:"claim_mappings"` ListClaimMappings map[string]string `mapstructure:"list_claim_mappings"` OIDCDiscoveryURL *string `mapstructure:"oidc_discovery_url"` OIDCDiscoveryCACert *string `mapstructure:"oidc_discovery_ca_cert"` JWKSURL *string `mapstructure:"jwks_url"` JWKSCACert *string `mapstructure:"jwks_ca_cert"` JWTValidationPubKeys []string `mapstructure:"jwt_validation_pub_keys"` BoundIssuer *string `mapstructure:"bound_issuer"` ExpirationLeeway *string `mapstructure:"expiration_leeway"` NotBeforeLeeway *string `mapstructure:"not_before_leeway"` ClockSkewLeeway *string `mapstructure:"clock_skew_leeway"` } type RawUIConfig struct { Enabled *bool `mapstructure:"enabled"` Dir *string `mapstructure:"dir"` ContentPath *string `mapstructure:"content_path"` MetricsProvider *string `mapstructure:"metrics_provider"` MetricsProviderFiles []string `mapstructure:"metrics_provider_files"` MetricsProviderOptionsJSON *string `mapstructure:"metrics_provider_options_json"` MetricsProxy RawUIMetricsProxy `mapstructure:"metrics_proxy"` DashboardURLTemplates map[string]string `mapstructure:"dashboard_url_templates"` } type RawUIMetricsProxy struct { BaseURL *string `mapstructure:"base_url"` AddHeaders []RawUIMetricsProxyAddHeader `mapstructure:"add_headers"` PathAllowlist []string `mapstructure:"path_allowlist"` } type RawUIMetricsProxyAddHeader struct { Name *string `mapstructure:"name"` Value *string `mapstructure:"value"` } type RPC struct { EnableStreaming *bool `mapstructure:"enable_streaming"` } type CloudConfigRaw struct { ResourceID *string `mapstructure:"resource_id"` ClientID *string `mapstructure:"client_id"` ClientSecret *string `mapstructure:"client_secret"` Hostname *string `mapstructure:"hostname"` AuthURL *string `mapstructure:"auth_url"` ScadaAddress *string `mapstructure:"scada_address"` } type TLSProtocolConfig struct { CAFile *string `mapstructure:"ca_file" json:"ca_file,omitempty"` CAPath *string `mapstructure:"ca_path" json:"ca_path,omitempty"` CertFile *string `mapstructure:"cert_file" json:"cert_file,omitempty"` KeyFile *string `mapstructure:"key_file" json:"key_file,omitempty"` TLSMinVersion *string `mapstructure:"tls_min_version" json:"tls_min_version,omitempty"` TLSCipherSuites *string `mapstructure:"tls_cipher_suites" json:"tls_cipher_suites,omitempty"` VerifyIncoming *bool `mapstructure:"verify_incoming" json:"verify_incoming,omitempty"` VerifyOutgoing *bool `mapstructure:"verify_outgoing" json:"verify_outgoing,omitempty"` VerifyServerHostname *bool `mapstructure:"verify_server_hostname" json:"verify_server_hostname,omitempty"` UseAutoCert *bool `mapstructure:"use_auto_cert" json:"use_auto_cert,omitempty"` } type TLS struct { Defaults TLSProtocolConfig `mapstructure:"defaults" json:"defaults,omitempty"` InternalRPC TLSProtocolConfig `mapstructure:"internal_rpc" json:"internal_rpc,omitempty"` HTTPS TLSProtocolConfig `mapstructure:"https" json:"https,omitempty"` GRPC TLSProtocolConfig `mapstructure:"grpc" json:"grpc,omitempty"` // GRPCModifiedByDeprecatedConfig is a flag used to indicate that GRPC was // modified by the deprecated field mapping (as apposed to a user-provided // a grpc stanza). This prevents us from emitting a warning about an // ineffectual grpc stanza when we modify GRPC to honor the legacy behaviour // that setting `verify_incoming = true` at the top-level *does not* enable // client certificate verification on the gRPC port. // // See: applyDeprecatedTLSConfig. // // Note: we use a *struct{} here because a simple bool isn't supported by our // config merging logic. GRPCModifiedByDeprecatedConfig *struct{} `mapstructure:"-" json:"-"` } type Peering struct { Enabled *bool `mapstructure:"enabled" json:"enabled,omitempty"` // TestAllowPeerRegistrations controls whether CatalogRegister endpoints allow registrations for objects with `PeerName` // This always gets overridden in NonUserSource() TestAllowPeerRegistrations *bool `mapstructure:"test_allow_peer_registrations" json:"test_allow_peer_registrations,omitempty"` } type XDS struct { UpdateMaxPerSecond *float64 `mapstructure:"update_max_per_second"` } type RaftLogStoreRaw struct { Backend *string `mapstructure:"backend" json:"backend,omitempty"` DisableLogCache *bool `mapstructure:"disable_log_cache" json:"disable_log_cache,omitempty"` Verification RaftLogStoreVerificationRaw `mapstructure:"verification" json:"verification,omitempty"` BoltDBConfig RaftBoltDBConfigRaw `mapstructure:"boltdb" json:"boltdb,omitempty"` WALConfig RaftWALConfigRaw `mapstructure:"wal" json:"wal,omitempty"` } type RaftLogStoreVerificationRaw struct { Enabled *bool `mapstructure:"enabled" json:"enabled,omitempty"` Interval *string `mapstructure:"interval" json:"interval,omitempty"` } type RaftBoltDBConfigRaw struct { NoFreelistSync *bool `mapstructure:"no_freelist_sync" json:"no_freelist_sync,omitempty"` } type RaftWALConfigRaw struct { SegmentSizeMB *int `mapstructure:"segment_size_mb" json:"segment_size_mb,omitempty"` } type License struct { Enabled *bool `mapstructure:"enabled"` } type Reporting struct { License License `mapstructure:"license"` }