305 lines
8.3 KiB
Go
305 lines
8.3 KiB
Go
package config
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import (
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"strconv"
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"time"
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"github.com/hashicorp/raft"
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"github.com/hashicorp/consul/agent/checks"
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"github.com/hashicorp/consul/agent/consul"
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"github.com/hashicorp/consul/version"
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)
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// DefaultSource is the default agent configuration.
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// This needs to be merged first in the head.
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// TODO: return a LiteralSource (no decoding) instead of a FileSource
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func DefaultSource() Source {
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cfg := consul.DefaultConfig()
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serfLAN := cfg.SerfLANConfig.MemberlistConfig
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serfWAN := cfg.SerfWANConfig.MemberlistConfig
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return FileSource{
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Name: "default",
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Format: "hcl",
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Data: `
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acl = {
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token_ttl = "30s"
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policy_ttl = "30s"
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default_policy = "allow"
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down_policy = "extend-cache"
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}
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bind_addr = "0.0.0.0"
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bootstrap = false
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bootstrap_expect = 0
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check_output_max_size = ` + strconv.Itoa(checks.DefaultBufSize) + `
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check_update_interval = "5m"
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client_addr = "127.0.0.1"
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datacenter = "` + consul.DefaultDC + `"
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default_query_time = "300s"
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disable_coordinates = false
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disable_host_node_id = true
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disable_remote_exec = true
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domain = "consul."
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enable_central_service_config = true
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encrypt_verify_incoming = true
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encrypt_verify_outgoing = true
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log_level = "INFO"
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max_query_time = "600s"
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primary_gateways_interval = "30s"
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protocol = ` + strconv.Itoa(consul.DefaultRPCProtocol) + `
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retry_interval = "30s"
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retry_interval_wan = "30s"
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# segment_limit is the maximum number of network segments that may be declared. Default 64 is highly encouraged
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segment_limit = 64
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server = false
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syslog_facility = "LOCAL0"
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tls = {
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defaults = {
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tls_min_version = "TLSv1_2"
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}
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}
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// TODO (slackpad) - Until #3744 is done, we need to keep these
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// in sync with agent/consul/config.go.
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autopilot = {
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cleanup_dead_servers = true
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last_contact_threshold = "200ms"
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max_trailing_logs = 250
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server_stabilization_time = "10s"
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}
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gossip_lan = {
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gossip_interval = "` + serfLAN.GossipInterval.String() + `"
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gossip_nodes = ` + strconv.Itoa(serfLAN.GossipNodes) + `
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retransmit_mult = ` + strconv.Itoa(serfLAN.RetransmitMult) + `
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probe_interval = "` + serfLAN.ProbeInterval.String() + `"
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probe_timeout = "` + serfLAN.ProbeTimeout.String() + `"
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suspicion_mult = ` + strconv.Itoa(serfLAN.SuspicionMult) + `
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}
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gossip_wan = {
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gossip_interval = "` + serfWAN.GossipInterval.String() + `"
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gossip_nodes = ` + strconv.Itoa(serfLAN.GossipNodes) + `
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retransmit_mult = ` + strconv.Itoa(serfLAN.RetransmitMult) + `
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probe_interval = "` + serfWAN.ProbeInterval.String() + `"
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probe_timeout = "` + serfWAN.ProbeTimeout.String() + `"
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suspicion_mult = ` + strconv.Itoa(serfWAN.SuspicionMult) + `
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}
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dns_config = {
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allow_stale = true
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a_record_limit = 0
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udp_answer_limit = 3
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max_stale = "87600h"
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recursor_timeout = "2s"
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}
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limits = {
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http_max_conns_per_client = 200
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https_handshake_timeout = "5s"
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request_limits = {
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mode = "disabled"
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read_rate = -1
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write_rate = -1
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}
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rpc_handshake_timeout = "5s"
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rpc_client_timeout = "60s"
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rpc_rate = -1
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rpc_max_burst = 1000
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rpc_max_conns_per_client = 100
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kv_max_value_size = ` + strconv.FormatInt(raft.SuggestedMaxDataSize, 10) + `
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txn_max_req_len = ` + strconv.FormatInt(raft.SuggestedMaxDataSize, 10) + `
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}
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performance = {
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leave_drain_time = "5s"
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raft_multiplier = ` + strconv.Itoa(int(consul.DefaultRaftMultiplier)) + `
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rpc_hold_timeout = "7s"
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}
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ports = {
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dns = 8600
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http = 8500
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https = -1
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grpc = -1
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serf_lan = ` + strconv.Itoa(consul.DefaultLANSerfPort) + `
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serf_wan = ` + strconv.Itoa(consul.DefaultWANSerfPort) + `
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server = ` + strconv.Itoa(consul.DefaultRPCPort) + `
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proxy_min_port = 20000
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proxy_max_port = 20255
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sidecar_min_port = 21000
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sidecar_max_port = 21255
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expose_min_port = 21500
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expose_max_port = 21755
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}
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raft_protocol = 3
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telemetry = {
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metrics_prefix = "consul"
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filter_default = true
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prefix_filter = []
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retry_failed_connection = true
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}
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raft_snapshot_threshold = ` + strconv.Itoa(int(cfg.RaftConfig.SnapshotThreshold)) + `
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raft_snapshot_interval = "` + cfg.RaftConfig.SnapshotInterval.String() + `"
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raft_trailing_logs = ` + strconv.Itoa(int(cfg.RaftConfig.TrailingLogs)) + `
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xds {
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update_max_per_second = 250
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}
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connect = {
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enabled = true
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}
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peering = {
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enabled = true
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}
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`,
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}
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}
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// DevSource is the additional default configuration for dev mode.
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// This should be merged in the head after the default configuration.
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// TODO: return a LiteralSource (no decoding) instead of a FileSource
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func DevSource() Source {
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return FileSource{
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Name: "dev",
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Format: "hcl",
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Data: `
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bind_addr = "127.0.0.1"
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disable_anonymous_signature = true
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disable_keyring_file = true
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enable_debug = true
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ui_config {
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enabled = true
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}
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log_level = "DEBUG"
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server = true
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gossip_lan = {
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gossip_interval = "100ms"
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probe_interval = "100ms"
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probe_timeout = "100ms"
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suspicion_mult = 3
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}
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gossip_wan = {
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gossip_interval = "100ms"
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probe_interval = "100ms"
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probe_timeout = "100ms"
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suspicion_mult = 3
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}
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connect = {
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enabled = true
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}
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peering = {
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enabled = true
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}
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performance = {
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raft_multiplier = 1
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}
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ports = {
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grpc = 8502
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}
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`,
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}
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}
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// NonUserSource contains the values the user cannot configure.
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// This needs to be merged in the tail.
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// TODO: return a LiteralSource (no decoding) instead of a FileSource
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func NonUserSource() Source {
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return FileSource{
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Name: "non-user",
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Format: "hcl",
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Data: `
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check_deregister_interval_min = "1m"
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check_reap_interval = "30s"
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ae_interval = "1m"
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sync_coordinate_rate_target = 64
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sync_coordinate_interval_min = "15s"
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# SegmentNameLimit is the maximum segment name length.
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segment_name_limit = 64
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connect = {
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# 0s causes the value to be ignored and operate without capping
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# the max time before leaf certs can be generated after a roots change.
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test_ca_leaf_root_change_spread = "0s"
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}
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peering = {
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# We use peer registration for various testing
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test_allow_peer_registrations = false
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}
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`,
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}
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}
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// versionSource creates a config source for the version parameters.
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// This should be merged in the tail since these values are not
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// user configurable.
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func versionSource(rev, ver, verPre, meta string, buildDate time.Time) Source {
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return LiteralSource{
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Name: "version",
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Config: Config{
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Revision: &rev,
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Version: &ver,
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VersionPrerelease: &verPre,
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VersionMetadata: &meta,
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BuildDate: &buildDate,
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},
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}
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}
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// defaultVersionSource returns the version config source for the embedded
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// version numbers.
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func defaultVersionSource() Source {
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buildDate, _ := time.Parse(time.RFC3339, version.BuildDate) // This has been checked elsewhere
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return versionSource(version.GitCommit, version.Version, version.VersionPrerelease, version.VersionMetadata, buildDate)
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}
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// DefaultConsulSource returns the default configuration for the consul agent.
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// This should be merged in the tail since these values are not user configurable.
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// TODO: return a LiteralSource (no decoding) instead of a FileSource
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func DefaultConsulSource() Source {
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cfg := consul.DefaultConfig()
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raft := cfg.RaftConfig
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return FileSource{
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Name: "consul",
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Format: "hcl",
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Data: `
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consul = {
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coordinate = {
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update_batch_size = ` + strconv.Itoa(cfg.CoordinateUpdateBatchSize) + `
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update_max_batches = ` + strconv.Itoa(cfg.CoordinateUpdateMaxBatches) + `
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update_period = "` + cfg.CoordinateUpdatePeriod.String() + `"
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}
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raft = {
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election_timeout = "` + raft.ElectionTimeout.String() + `"
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heartbeat_timeout = "` + raft.HeartbeatTimeout.String() + `"
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leader_lease_timeout = "` + raft.LeaderLeaseTimeout.String() + `"
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}
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server = {
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health_interval = "` + cfg.ServerHealthInterval.String() + `"
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}
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}
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`,
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}
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}
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// DevConsulSource returns the consul agent configuration for the dev mode.
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// This should be merged in the tail after the DefaultConsulSource.
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func DevConsulSource() Source {
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c := Config{}
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c.Consul.Coordinate.UpdatePeriod = strPtr("100ms")
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c.Consul.Raft.ElectionTimeout = strPtr("52ms")
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c.Consul.Raft.HeartbeatTimeout = strPtr("35ms")
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c.Consul.Raft.LeaderLeaseTimeout = strPtr("20ms")
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c.Consul.Server.HealthInterval = strPtr("10ms")
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return LiteralSource{Name: "consul-dev", Config: c}
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}
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func strPtr(v string) *string {
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return &v
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}
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