status-im
/
consul
mirror of https://github.com/status-im/consul.git
2
0
Fork 0
Code Issues Projects Releases Wiki Activity

agent: configurable MaxQueryTime and DefaultQueryTime. (#3777)

This commit is contained in:
Matej Urbas 2020-01-17 13:20:57 +00:00 committed by Hans Hasselberg
parent a2ab9b4aee
commit ce023359fe
12 changed files with 69 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
agent/agent.go
View File

@ -1263,6 +1263,8 @@ func (a *Agent) consulConfig() (*consul.Config, error) {
base.TLSMinVersion = a.config.TLSMinVersion
base.TLSCipherSuites = a.config.TLSCipherSuites
base.TLSPreferServerCipherSuites = a.config.TLSPreferServerCipherSuites
base.DefaultQueryTime = a.config.DefaultQueryTime
base.MaxQueryTime = a.config.MaxQueryTime
base.AutoEncryptAllowTLS = a.config.AutoEncryptAllowTLS

2
agent/config/builder.go
View File

@ -819,6 +819,7 @@ func (b *Builder) Build() (rt RuntimeConfig, err error) {
ExposeMaxPort: exposeMaxPort,
DataDir: b.stringVal(c.DataDir),
Datacenter: datacenter,
DefaultQueryTime: b.durationVal("default_query_time", c.DefaultQueryTime),
DevMode: b.boolVal(b.Flags.DevMode),
DisableAnonymousSignature: b.boolVal(c.DisableAnonymousSignature),
DisableCoordinates: b.boolVal(c.DisableCoordinates),
@ -850,6 +851,7 @@ func (b *Builder) Build() (rt RuntimeConfig, err error) {
LogRotateBytes: b.intVal(c.LogRotateBytes),
LogRotateDuration: b.durationVal("log_rotate_duration", c.LogRotateDuration),
LogRotateMaxFiles: b.intVal(c.LogRotateMaxFiles),
MaxQueryTime: b.durationVal("max_query_time", c.MaxQueryTime),
NodeID: types.NodeID(b.stringVal(c.NodeID)),
NodeMeta: c.NodeMeta,
NodeName: b.nodeName(c.NodeName),

2
agent/config/config.go
View File

@ -204,6 +204,7 @@ type Config struct {
DNSRecursors []string `json:"recursors,omitempty" hcl:"recursors" mapstructure:"recursors"`
DataDir *string `json:"data_dir,omitempty" hcl:"data_dir" mapstructure:"data_dir"`
Datacenter *string `json:"datacenter,omitempty" hcl:"datacenter" mapstructure:"datacenter"`
DefaultQueryTime *string `json:"default_query_time,omitempty" hcl:"default_query_time" mapstructure:"default_query_time"`
DisableAnonymousSignature *bool `json:"disable_anonymous_signature,omitempty" hcl:"disable_anonymous_signature" mapstructure:"disable_anonymous_signature"`
DisableCoordinates *bool `json:"disable_coordinates,omitempty" hcl:"disable_coordinates" mapstructure:"disable_coordinates"`
DisableHostNodeID *bool `json:"disable_host_node_id,omitempty" hcl:"disable_host_node_id" mapstructure:"disable_host_node_id"`
@ -234,6 +235,7 @@ type Config struct {
LogRotateDuration *string `json:"log_rotate_duration,omitempty" hcl:"log_rotate_duration" mapstructure:"log_rotate_duration"`
LogRotateBytes *int `json:"log_rotate_bytes,omitempty" hcl:"log_rotate_bytes" mapstructure:"log_rotate_bytes"`
LogRotateMaxFiles *int `json:"log_rotate_max_files,omitempty" hcl:"log_rotate_max_files" mapstructure:"log_rotate_max_files"`
MaxQueryTime *string `json:"max_query_time,omitempty" hcl:"max_query_time" mapstructure:"max_query_time"`
NodeID *string `json:"node_id,omitempty" hcl:"node_id" mapstructure:"node_id"`
NodeMeta map[string]string `json:"node_meta,omitempty" hcl:"node_meta" mapstructure:"node_meta"`
NodeName *string `json:"node_name,omitempty" hcl:"node_name" mapstructure:"node_name"`

2
agent/config/default.go
View File

@ -55,6 +55,7 @@ func DefaultSource() Source {
check_update_interval = "5m"
client_addr = "127.0.0.1"
datacenter = "` + consul.DefaultDC + `"
default_query_time = "300s"
disable_coordinates = false
disable_host_node_id = true
disable_remote_exec = true
@ -62,6 +63,7 @@ func DefaultSource() Source {
encrypt_verify_incoming = true
encrypt_verify_outgoing = true
log_level = "INFO"
max_query_time = "600s"
protocol = 2
retry_interval = "30s"
retry_interval_wan = "30s"

2
agent/config/flags.go
View File

@ -66,6 +66,7 @@ func AddFlags(fs *flag.FlagSet, f *Flags) {
add(&f.ConfigFormat, "config-format", "Config files are in this format irrespective of their extension. Must be 'hcl' or 'json'")
add(&f.Config.DataDir, "data-dir", "Path to a data directory to store agent state.")
add(&f.Config.Datacenter, "datacenter", "Datacenter of the agent.")
add(&f.Config.DefaultQueryTime, "default-query-time", "the amount of time a blocking query will wait before Consul will force a response. This value can be overridden by the 'wait' query parameter.")
add(&f.DevMode, "dev", "Starts the agent in development mode.")
add(&f.Config.DisableHostNodeID, "disable-host-node-id", "Setting this to true will prevent Consul from using information from the host to generate a node ID, and will cause Consul to generate a random node ID instead.")
add(&f.Config.DisableKeyringFile, "disable-keyring-file", "Disables the backing up of the keyring to a file.")
@ -85,6 +86,7 @@ func AddFlags(fs *flag.FlagSet, f *Flags) {
add(&f.Config.LogRotateBytes, "log-rotate-bytes", "Maximum number of bytes that should be written to a log file")
add(&f.Config.LogRotateDuration, "log-rotate-duration", "Time after which log rotation needs to be performed")
add(&f.Config.LogRotateMaxFiles, "log-rotate-max-files", "Maximum number of log file archives to keep")
add(&f.Config.MaxQueryTime, "max-query-time", "the maximum amount of time a blocking query can wait before Consul will force a response. Consul applies jitter to the wait time. The jittered time will be capped to MaxQueryTime.")
add(&f.Config.NodeName, "node", "Name of this node. Must be unique in the cluster.")
add(&f.Config.NodeID, "node-id", "A unique ID for this node across space and time. Defaults to a randomly-generated ID that persists in the data-dir.")
add(&f.Config.NodeMeta, "node-meta", "An arbitrary metadata key/value pair for this node, of the format `key:value`. Can be specified multiple times.")

16
agent/config/runtime.go
View File

@ -600,6 +600,14 @@ type RuntimeConfig struct {
// flag: -data-dir string
DataDir string
// DefaultQueryTime is the amount of time a blocking query will wait before
// Consul will force a response. This value can be overridden by the 'wait'
// query parameter.
//
// hcl: default_query_time = "duration"
// flag: -default-query-time string
DefaultQueryTime time.Duration
// DevMode enables a fast-path mode of operation to bring up an in-memory
// server with minimal configuration. Useful for developing Consul.
//
@ -846,6 +854,14 @@ type RuntimeConfig struct {
// flags: -log-rotate-max-files int
LogRotateMaxFiles int
// MaxQueryTime is the maximum amount of time a blocking query can wait
// before Consul will force a response. Consul applies jitter to the wait
// time. The jittered time will be capped to MaxQueryTime.
//
// hcl: max_query_time = "duration"
// flags: -max-query-time string
MaxQueryTime time.Duration
// 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.
//

8
agent/config/runtime_test.go
View File

@ -3757,6 +3757,7 @@ func TestFullConfig(t *testing.T) {
},
"data_dir": "` + dataDir + `",
"datacenter": "rzo029wg",
"default_query_time": "16743s",
"disable_anonymous_signature": true,
"disable_coordinates": true,
"disable_host_node_id": true,
@ -3810,6 +3811,7 @@ func TestFullConfig(t *testing.T) {
"kv_max_value_size": 1234567800000000
},
"log_level": "k1zo9Spt",
"max_query_time": "18237s",
"node_id": "AsUIlw99",
"node_meta": {
"5mgGQMBk": "mJLtVMSG",
@ -4356,6 +4358,7 @@ func TestFullConfig(t *testing.T) {
}
data_dir = "` + dataDir + `"
datacenter = "rzo029wg"
default_query_time = "16743s"
disable_anonymous_signature = true
disable_coordinates = true
disable_host_node_id = true
@ -4410,6 +4413,7 @@ func TestFullConfig(t *testing.T) {
kv_max_value_size = 1234567800000000
}
log_level = "k1zo9Spt"
max_query_time = "18237s"
node_id = "AsUIlw99"
node_meta {
"5mgGQMBk" = "mJLtVMSG"
@ -5064,6 +5068,7 @@ func TestFullConfig(t *testing.T) {
DNSCacheMaxAge: 5 * time.Minute,
DataDir: dataDir,
Datacenter: "rzo029wg",
DefaultQueryTime: 16743 * time.Second,
DevMode: true,
DisableAnonymousSignature: true,
DisableCoordinates: true,
@ -5098,6 +5103,7 @@ func TestFullConfig(t *testing.T) {
LeaveDrainTime: 8265 * time.Second,
LeaveOnTerm: true,
LogLevel: "k1zo9Spt",
MaxQueryTime: 18237 * time.Second,
NodeID: types.NodeID("AsUIlw99"),
NodeMeta: map[string]string{"5mgGQMBk": "mJLtVMSG", "A7ynFMJB": "0Nx6RGab"},
NodeName: "otlLxGaI",
@ -5924,6 +5930,7 @@ func TestSanitize(t *testing.T) {
"DNSCacheMaxAge": "0s",
"DataDir": "",
"Datacenter": "",
"DefaultQueryTime": "0s",
"DevMode": false,
"DisableAnonymousSignature": false,
"DisableCoordinates": false,
@ -5967,6 +5974,7 @@ func TestSanitize(t *testing.T) {
"LogRotateBytes": 0,
"LogRotateDuration": "0s",
"LogRotateMaxFiles": 0,
"MaxQueryTime": "0s",
"NodeID": "",
"NodeMeta": {},
"NodeName": "",

12
agent/consul/config.go
View File

@ -86,6 +86,16 @@ type Config struct {
// DataDir is the directory to store our state in.
DataDir string
// DefaultQueryTime is the amount of time a blocking query will wait before
// Consul will force a response. This value can be overridden by the 'wait'
// query parameter.
DefaultQueryTime time.Duration
// MaxQueryTime is the maximum amount of time a blocking query can wait
// before Consul will force a response. Consul applies jitter to the wait
// time. The jittered time will be capped to MaxQueryTime.
MaxQueryTime time.Duration
// DevMode is used to enable a development server mode.
DevMode bool
@ -546,6 +556,8 @@ func DefaultConfig() *Config {
ServerHealthInterval: 2 * time.Second,
AutopilotInterval: 10 * time.Second,
DefaultQueryTime: 300 * time.Second,
MaxQueryTime: 600 * time.Second,
EnterpriseConfig: DefaultEnterpriseConfig(),
}

7
agent/consul/leader_connect.go
View File

@ -34,10 +34,6 @@ var (
// maxRetryBackoff is the maximum number of seconds to wait between failed blocking
// queries when backing off.
maxRetryBackoff = 256
// maxRootsQueryTime is the maximum time the primary roots watch query can block before
// returning.
maxRootsQueryTime = maxQueryTime
)
// initializeCAConfig is used to initialize the CA config if necessary
@ -602,7 +598,8 @@ func (s *Server) secondaryCARootWatch(ctx context.Context) error {
args := structs.DCSpecificRequest{
Datacenter: s.config.PrimaryDatacenter,
QueryOptions: structs.QueryOptions{
MaxQueryTime: maxRootsQueryTime,
// the maximum time the primary roots watch query can block before returning
MaxQueryTime: s.config.MaxQueryTime,
},
}

4
agent/consul/leader_connect_test.go
View File

@ -514,12 +514,11 @@ func TestLeader_SecondaryCA_TransitionFromPrimary(t *testing.T) {
func TestLeader_SecondaryCA_UpgradeBeforePrimary(t *testing.T) {
t.Parallel()
maxRootsQueryTime = 500 * time.Millisecond
// Initialize dc1 as the primary DC
dir1, s1 := testServerWithConfig(t, func(c *Config) {
c.PrimaryDatacenter = "dc1"
c.Build = "1.3.0"
c.MaxQueryTime = 500 * time.Millisecond
})
defer os.RemoveAll(dir1)
defer s1.Shutdown()
@ -531,6 +530,7 @@ func TestLeader_SecondaryCA_UpgradeBeforePrimary(t *testing.T) {
c.Datacenter = "dc2"
c.PrimaryDatacenter = "dc1"
c.Build = "1.6.0"
c.MaxQueryTime = 500 * time.Millisecond
})
defer os.RemoveAll(dir2)
defer s2.Shutdown()

13
agent/consul/rpc.go
View File

@ -24,13 +24,6 @@ import (
)
const (
// maxQueryTime is used to bound the limit of a blocking query
maxQueryTime = 600 * time.Second
// defaultQueryTime is the amount of time we block waiting for a change
// if no time is specified. Previously we would wait the maxQueryTime.
defaultQueryTime = 300 * time.Second
// jitterFraction is a the limit to the amount of jitter we apply
// to a user specified MaxQueryTime. We divide the specified time by
// the fraction. So 16 == 6.25% limit of jitter. This same fraction
@ -466,10 +459,10 @@ func (s *Server) blockingQuery(queryOpts structs.QueryOptionsCompat, queryMeta s
queryTimeout = queryOpts.GetMaxQueryTime()
// Restrict the max query time, and ensure there is always one.
if queryTimeout > maxQueryTime {
queryTimeout = maxQueryTime
if queryTimeout > s.config.MaxQueryTime {
queryTimeout = s.config.MaxQueryTime
} else if queryTimeout <= 0 {
queryTimeout = defaultQueryTime
queryTimeout = s.config.DefaultQueryTime
}
// Apply a small amount of jitter to the request.

16
website/source/docs/agent/options.html.md
View File

@ -285,6 +285,16 @@ The options below are all specified on the command-line.
* <a name="_log_rotate_max_files"></a><a href="#_log_rotate_max_files">`-log-rotate-max-files`</a> - to specify the maximum number of older log file archives to keep. Defaults to 0 (no files are ever deleted). Set to -1 to discard old log files when a new one is created.
* <a name="_default_query_time"></a><a href="#_default_query_time">`-default-query-time`</a> - This flag controls the
amount of time a blocking query will wait before Consul will force a response.
This value can be overridden by the `wait` query parameter. Note that Consul
applies some jitter on top of this time. Defaults to 300s.
* <a name="_max_query_time"></a><a href="#_max_query_time">`-max-query-time`</a> -
this flag controls the maximum amount of time a blocking query can wait before
Consul will force a response. Consul applies jitter to the wait time. The jittered
time will be capped to this time. Defaults to 600s.
* <a name="_join"></a><a href="#_join">`-join`</a> - Address of another agent
to join upon starting up. This can be
specified multiple times to specify multiple agents to join. If Consul is
@ -1374,6 +1384,12 @@ default will automatically work with some tooling.
* <a name="log_level"></a><a href="#log_level">`log_level`</a> Equivalent to the
[`-log-level` command-line flag](#_log_level).
* <a name="default_query_time"></a><a href="#default_query_time">`default_query_time`</a>
Equivalent to the [`-default-query-time` command-line flag](#_default_query_time).
* <a name="max_query_time"></a><a href="#max_query_time">`max_query_time`</a>
Equivalent to the [`-max-query-time` command-line flag](#_max_query_time).
* <a name="node_id"></a><a href="#node_id">`node_id`</a> Equivalent to the
[`-node-id` command-line flag](#_node_id).