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config: document more config options

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pull/3598/head
Frank Schroeder 7 years ago committed by Frank Schröder
parent 2682ce0b82
commit bf81cdea6e
1 changed files with 344 additions and 74 deletions
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418
agent/config/runtime.go
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@ -451,15 +451,42 @@ type RuntimeConfig struct {
// hcl: telemetry { statsite_addr = string }
TelemetryStatsiteAddr string
// Datacenter and NodeName are exposed via /v1/agent/self from here and
// Datacenter is the datacenter this node is in. Defaults to "dc1".
//
// Datacenter is exposed via /v1/agent/self from here and
// used in lots of places like CLI commands. Treat this as an interface
// that must be stable.
// todo(fs): do we need this warning? RuntimeConfig was meant to be refactorable.
//
// hcl: datacenter = string
// flag: -datacenter string
Datacenter string
NodeName string
// Node name is the name we use to advertise. Defaults to hostname.
//
// NodeName is exposed via /v1/agent/self from here and
// used in lots of places like CLI commands. Treat this as an interface
// that must be stable.
// todo(fs): do we need this warning? RuntimeConfig was meant to be refactorable.
//
// hcl: node_name = string
// flag: -node string
NodeName string
AdvertiseAddrLAN *net.IPAddr
AdvertiseAddrWAN *net.IPAddr
BindAddr *net.IPAddr
// BindAddr is used to control the address we bind to.
// If not specified, the first private IP we find is used.
// This controls the address we use for cluster facing
// services (Gossip, Server RPC)
//
// The value can be either an ip address or a go-sockaddr
// template which resolves to a single ip address.
//
// hcl: bind_addr = string
// flag: -bind string
BindAddr *net.IPAddr
// Bootstrap is used to bring up the first Consul server, and
// permits that node to elect itself leader
@ -475,15 +502,35 @@ type RuntimeConfig struct {
// flag: -bootstrap-expect=int
BootstrapExpect int
CAFile string
CAPath string
CertFile string
// CAFile is a path to a certificate authority file. This is used with
// VerifyIncoming or VerifyOutgoing to verify the TLS connection.
//
// hcl: ca_file = string
CAFile string
// CAPath is a path to a directory of certificate authority files. This is
// used with VerifyIncoming or VerifyOutgoing to verify the TLS connection.
//
// hcl: ca_path = string
CAPath string
// CertFile is used to provide a TLS certificate that is used for serving
// TLS connections. Must be provided to serve TLS connections.
//
// hcl: cert_file = string
CertFile string
CheckUpdateInterval time.Duration
Checks []*structs.CheckDefinition
ClientAddrs []*net.IPAddr
DNSAddrs []net.Addr
DNSPort int
DataDir string
// DataDir is the path to the directory where the local state is stored.
//
// hcl: data_dir = string
// flag: -data-dir string
DataDir string
// DevMode enables a fast-path mode of operation to bring up an in-memory
// server with minimal configuration. Useful for developing Consul.
@ -493,11 +540,23 @@ type RuntimeConfig struct {
DisableAnonymousSignature bool
DisableCoordinates bool
DisableHostNodeID bool
DisableKeyringFile bool
DisableRemoteExec bool
DisableUpdateCheck bool
DiscardCheckOutput bool
// DisableHostNodeID will prevent Consul from using information from the
// host to generate a node ID, and will cause Consul to generate a
// random ID instead.
//
// hcl: disable_host_node_id = (true|false)
DisableHostNodeID bool
// DisableKeyringFile disables writing the keyring to a file.
//
// hcl: disable_keyring_file = (true|false)
// flag: -disable-keyring-file
DisableKeyringFile bool
DisableRemoteExec bool
DisableUpdateCheck bool
DiscardCheckOutput bool
// EnableACLReplication is used to turn on ACL replication when using
// /v1/agent/token/acl_replication_token to introduce the token, instead
@ -508,28 +567,86 @@ type RuntimeConfig struct {
// todo(fs): rename to ACLEnableReplication
EnableACLReplication bool
EnableDebug bool
EnableScriptChecks bool
EnableSyslog bool
EnableUI bool
EncryptKey string
// EnableDebug is used to enable various debugging features.
//
// hcl: enable_debug = (true|false)
EnableDebug bool
EnableScriptChecks bool
EnableSyslog bool
EnableUI bool
// EncryptKey contains the encryption key to use for the Serf communication.
//
// hcl: encrypt = string
// flag: -encrypt string
EncryptKey string
// EncryptVerifyIncoming enforces incoming gossip encryption and can be
// used to upshift to encrypted gossip on a running cluster.
//
// hcl: encrypt_verify_incoming = (true|false)
EncryptVerifyIncoming bool
// EncryptVerifyOutgoing enforces outgoing gossip encryption and can be
// used to upshift to encrypted gossip on a running cluster.
//
// hcl: encrypt_verify_outgoing = (true|false)
EncryptVerifyOutgoing bool
HTTPAddrs []net.Addr
HTTPPort int
HTTPSAddrs []net.Addr
HTTPSPort int
KeyFile string
LeaveDrainTime time.Duration
LeaveOnTerm bool
LogLevel string
NodeID types.NodeID
NodeMeta map[string]string
NonVotingServer bool
PidFile string
RPCAdvertiseAddr *net.TCPAddr
RPCBindAddr *net.TCPAddr
RPCHoldTimeout time.Duration
HTTPAddrs []net.Addr
HTTPPort int
HTTPSAddrs []net.Addr
HTTPSPort int
// KeyFile is used to provide a TLS key that is used for serving TLS
// connections. Must be provided to serve TLS connections.
//
// hcl: key_file = string
KeyFile string
LeaveDrainTime time.Duration
// LeaveOnTerm controls if Serf does a graceful leave when receiving
// the TERM signal. Defaults true on clients, false on servers. (reloadable)
//
// hcl: leave_on_terminate = (true|false)
LeaveOnTerm bool
// LogLevel is the level of the logs to write. Defaults to "INFO".
//
// hcl: log_level = string
LogLevel string
// Node ID is a unique ID for this node across space and time. Defaults
// to a randomly-generated ID that persists in the data-dir.
//
// todo(fs): don't we have a requirement for this to be a UUID in a specific format?
//
// hcl: node_id = string
// flag: -node-id string
NodeID types.NodeID
// NodeMeta contains metadata key/value pairs. These are excluded from JSON output
// because they can be reloaded and might be stale when shown from the
// config instead of the local state.
// todo(fs): should the sanitizer omit them from output as well since they could be stale?
//
// hcl: node_meta = map[string]string
// flag: -node-meta "key:value" -node-meta "key:value" ...
NodeMeta map[string]string
// NonVotingServer is whether this server will act as a non-voting member
// of the cluster to help provide read scalability. (Enterprise-only)
//
// hcl: non_voting_server = (true|false)
// flag: -non-voting-server
NonVotingServer bool
PidFile string
RPCAdvertiseAddr *net.TCPAddr
RPCBindAddr *net.TCPAddr
RPCHoldTimeout time.Duration
// RPCRateLimit and RPCMaxBurst control how frequently RPC calls are allowed
// to happen. In any large enough time interval, rate limiter limits the
@ -544,49 +661,202 @@ type RuntimeConfig struct {
RPCRateLimit rate.Limit
RPCMaxBurst int
RPCProtocol int
RaftProtocol int
ReconnectTimeoutLAN time.Duration
ReconnectTimeoutWAN time.Duration
RejoinAfterLeave bool
RetryJoinIntervalLAN time.Duration
RetryJoinIntervalWAN time.Duration
RetryJoinLAN []string
RetryJoinMaxAttemptsLAN int
RetryJoinMaxAttemptsWAN int
RetryJoinWAN []string
SegmentName string
Segments []structs.NetworkSegment
SerfAdvertiseAddrLAN *net.TCPAddr
SerfAdvertiseAddrWAN *net.TCPAddr
SerfBindAddrLAN *net.TCPAddr
SerfBindAddrWAN *net.TCPAddr
SerfPortLAN int
SerfPortWAN int
ServerMode bool
ServerName string
ServerPort int
Services []*structs.ServiceDefinition
SessionTTLMin time.Duration
SkipLeaveOnInt bool
StartJoinAddrsLAN []string
StartJoinAddrsWAN []string
SyslogFacility string
TLSCipherSuites []uint16
TLSMinVersion string
// RPCProtocol is the Consul protocol version to use.
//
// hcl: protocol = int
RPCProtocol int
// RaftProtocol sets the Raft protocol version to use on this server.
// Defaults to 3.
//
// hcl: raft_protocol = int
RaftProtocol int
ReconnectTimeoutLAN time.Duration
ReconnectTimeoutWAN time.Duration
RejoinAfterLeave bool
RetryJoinIntervalLAN time.Duration
RetryJoinIntervalWAN time.Duration
RetryJoinLAN []string
RetryJoinMaxAttemptsLAN int
RetryJoinMaxAttemptsWAN int
RetryJoinWAN []string
// SegmentName is the network segment for this client to join.
// (Enterprise-only)
//
// hcl: segment = string
SegmentName string
// Segments is the list of network segments for this server to
// initialize.
//
// hcl: segment = [
// {
// # name is the name of the segment
// name = string
//
// # bind is the bind ip address for this segment.
// bind = string
//
// # port is the bind port for this segment.
// port = int
//
// # advertise is the advertise ip address for this segment.
// # Defaults to the bind address if not set.
// advertise = string
//
// # rpc_listener controls whether or not to bind a separate
// # RPC listener to the bind address.
// rpc_listener = (true|false)
// },
// ...
// ]
Segments []structs.NetworkSegment
SerfAdvertiseAddrLAN *net.TCPAddr
SerfAdvertiseAddrWAN *net.TCPAddr
SerfBindAddrLAN *net.TCPAddr
SerfBindAddrWAN *net.TCPAddr
SerfPortLAN int
SerfPortWAN int
// ServerMode controls if this agent acts like a Consul server,
// or merely as a client. Servers have more state, take part
// in leader election, etc.
//
// hcl: server = (true|false)
// flag: -server
ServerMode bool
// ServerName is used with the TLS certificates to ensure the name we
// provide matches the certificate.
//
// hcl: server_name = string
ServerName string
ServerPort int
Services []*structs.ServiceDefinition
SessionTTLMin time.Duration
// SkipLeaveOnInt controls if Serf skips a graceful leave when
// receiving the INT signal. Defaults false on clients, true on
// servers. (reloadable)
//
// hcl: skip_leave_on_interrupt = (true|false)
SkipLeaveOnInt bool
StartJoinAddrsLAN []string
StartJoinAddrsWAN []string
SyslogFacility string
// TLSCipherSuites is used to specify the list of supported ciphersuites.
//
// The values should be a list of the following values:
//
// TLS_RSA_WITH_RC4_128_SHA
// TLS_RSA_WITH_3DES_EDE_CBC_SHA
// TLS_RSA_WITH_AES_128_CBC_SHA
// TLS_RSA_WITH_AES_256_CBC_SHA
// TLS_RSA_WITH_AES_128_GCM_SHA256
// TLS_RSA_WITH_AES_256_GCM_SHA384
// TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
// TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
// TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
// TLS_ECDHE_RSA_WITH_RC4_128_SHA
// TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
// TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
// TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
// TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
// TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
// TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
// TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
//
// todo(fs): IMHO, we should also support the raw 0xNNNN values from
// todo(fs): https://golang.org/pkg/crypto/tls/#pkg-constants
// todo(fs): since they are standardized by IANA.
//
// hcl: tls_cipher_suites = []string
TLSCipherSuites []uint16
// TLSMinVersion is used to set the minimum TLS version used for TLS
// connections. Should be either "tls10", "tls11", or "tls12".
//
// hcl: tls_min_version = string
TLSMinVersion string
// TLSPreferServerCipherSuites specifies whether to prefer the server's
// cipher suite over the client cipher suites.
//
// hcl: tls_prefer_server_cipher_suites = (true|false)
TLSPreferServerCipherSuites bool
TaggedAddresses map[string]string
TranslateWANAddrs bool
UIDir string
UnixSocketGroup string
UnixSocketMode string
UnixSocketUser string
VerifyIncoming bool
VerifyIncomingHTTPS bool
VerifyIncomingRPC bool
VerifyOutgoing bool
VerifyServerHostname bool
Watches []map[string]interface{}
// TaggedAddresses are used to publish a set of addresses for
// for a node, which can be used by the remote agent. We currently
// populate only the "wan" tag based on the SerfWan advertise address,
// but this structure is here for possible future features with other
// user-defined tags. The "wan" tag will be used by remote agents if
// they are configured with TranslateWANAddrs set to true.
//
// hcl: tagged_addresses = map[string]string
TaggedAddresses map[string]string
// TranslateWANAddrs controls whether or not Consul should prefer
// the "wan" tagged address when doing lookups in remote datacenters.
// See TaggedAddresses below for more details.
//
// hcl: translate_wan_addrs = (true|false)
TranslateWANAddrs bool
UIDir string
UnixSocketGroup string
UnixSocketMode string
UnixSocketUser string
// VerifyIncoming is used to verify the authenticity of incoming
// connections. This means that TCP requests are forbidden, only allowing
// for TLS. TLS connections must match a provided certificate authority.
// This can be used to force client auth.
//
// hcl: verify_incoming = (true|false)
VerifyIncoming bool
// VerifyIncomingHTTPS is used to verify the authenticity of incoming HTTPS
// connections. This means that TCP requests are forbidden, only allowing
// for TLS. TLS connections must match a provided certificate authority.
// This can be used to force client auth.
//
// hcl: verify_incoming_https = (true|false)
VerifyIncomingHTTPS bool
// VerifyIncomingRPC is used to verify the authenticity of incoming RPC
// connections. This means that TCP requests are forbidden, only allowing
// for TLS. TLS connections must match a provided certificate authority.
// This can be used to force client auth.
//
// hcl: verify_incoming_rpc = (true|false)
VerifyIncomingRPC bool
// VerifyOutgoing is used to verify the authenticity of outgoing
// connections. This means that TLS requests are used. TLS connections must
// match a provided certificate authority. This is used to verify
// authenticity of server nodes.
//
// hcl: verify_outgoing = (true|false)
VerifyOutgoing bool
// VerifyServerHostname is used to enable hostname verification of servers.
// This ensures that the certificate presented is valid for
// server.<datacenter>.<domain>. This prevents a compromised client from
// being restarted as a server, and then intercepting request traffic as
// well as being added as a raft peer. This should be enabled by default
// with VerifyOutgoing, but for legacy reasons we cannot break existing
// clients.
//
// hcl: verify_server_hostname = (true|false)
VerifyServerHostname bool
Watches []map[string]interface{}
}
// IncomingHTTPSConfig returns the TLS configuration for HTTPS

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