118 lines
3.7 KiB
Go
118 lines
3.7 KiB
Go
package command
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/hashicorp/consul/api"
|
|
"github.com/hashicorp/consul/command/base"
|
|
)
|
|
|
|
type OperatorAutopilotSetCommand struct {
|
|
base.Command
|
|
}
|
|
|
|
func (c *OperatorAutopilotSetCommand) Help() string {
|
|
helpText := `
|
|
Usage: consul operator autopilot set-config [options]
|
|
|
|
Modifies the current Autopilot configuration.
|
|
|
|
` + c.Command.Help()
|
|
|
|
return strings.TrimSpace(helpText)
|
|
}
|
|
|
|
func (c *OperatorAutopilotSetCommand) Synopsis() string {
|
|
return "Modify the current Autopilot configuration"
|
|
}
|
|
|
|
func (c *OperatorAutopilotSetCommand) Run(args []string) int {
|
|
var cleanupDeadServers base.BoolValue
|
|
var maxTrailingLogs base.UintValue
|
|
var lastContactThreshold base.DurationValue
|
|
var serverStabilizationTime base.DurationValue
|
|
var redundancyZoneTag base.StringValue
|
|
var disableUpgradeMigration base.BoolValue
|
|
|
|
f := c.Command.NewFlagSet(c)
|
|
|
|
f.Var(&cleanupDeadServers, "cleanup-dead-servers",
|
|
"Controls whether Consul will automatically remove dead servers "+
|
|
"when new ones are successfully added. Must be one of `true|false`.")
|
|
f.Var(&maxTrailingLogs, "max-trailing-logs",
|
|
"Controls the maximum number of log entries that a server can trail the "+
|
|
"leader by before being considered unhealthy.")
|
|
f.Var(&lastContactThreshold, "last-contact-threshold",
|
|
"Controls the maximum amount of time a server can go without contact "+
|
|
"from the leader before being considered unhealthy. Must be a duration value "+
|
|
"such as `200ms`.")
|
|
f.Var(&serverStabilizationTime, "server-stabilization-time",
|
|
"Controls the minimum amount of time a server must be stable in the "+
|
|
"'healthy' state before being added to the cluster. Only takes effect if all "+
|
|
"servers are running Raft protocol version 3 or higher. Must be a duration "+
|
|
"value such as `10s`.")
|
|
f.Var(&redundancyZoneTag, "redundancy-zone-tag",
|
|
"(Enterprise-only) Controls the node_meta tag name used for separating servers into "+
|
|
"different redundancy zones.")
|
|
f.Var(&disableUpgradeMigration, "disable-upgrade-migration",
|
|
"(Enterprise-only) Controls whether Consul will avoid promoting new servers until "+
|
|
"it can perform a migration. Must be one of `true|false`.")
|
|
|
|
if err := c.Command.Parse(args); err != nil {
|
|
if err == flag.ErrHelp {
|
|
return 0
|
|
}
|
|
c.Ui.Error(fmt.Sprintf("Failed to parse args: %v", err))
|
|
return 1
|
|
}
|
|
|
|
// Set up a client.
|
|
client, err := c.Command.HTTPClient()
|
|
if err != nil {
|
|
c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
|
|
return 1
|
|
}
|
|
|
|
// Fetch the current configuration.
|
|
operator := client.Operator()
|
|
conf, err := operator.AutopilotGetConfiguration(nil)
|
|
if err != nil {
|
|
c.Ui.Error(fmt.Sprintf("Error querying Autopilot configuration: %s", err))
|
|
return 1
|
|
}
|
|
|
|
// Update the config values based on the set flags.
|
|
cleanupDeadServers.Merge(&conf.CleanupDeadServers)
|
|
redundancyZoneTag.Merge(&conf.RedundancyZoneTag)
|
|
disableUpgradeMigration.Merge(&conf.DisableUpgradeMigration)
|
|
|
|
trailing := uint(conf.MaxTrailingLogs)
|
|
maxTrailingLogs.Merge(&trailing)
|
|
conf.MaxTrailingLogs = uint64(trailing)
|
|
|
|
last := time.Duration(*conf.LastContactThreshold)
|
|
lastContactThreshold.Merge(&last)
|
|
conf.LastContactThreshold = api.NewReadableDuration(last)
|
|
|
|
stablization := time.Duration(*conf.ServerStabilizationTime)
|
|
serverStabilizationTime.Merge(&stablization)
|
|
conf.ServerStabilizationTime = api.NewReadableDuration(stablization)
|
|
|
|
// Check-and-set the new configuration.
|
|
result, err := operator.AutopilotCASConfiguration(conf, nil)
|
|
if err != nil {
|
|
c.Ui.Error(fmt.Sprintf("Error setting Autopilot configuration: %s", err))
|
|
return 1
|
|
}
|
|
if result {
|
|
c.Ui.Output("Configuration updated!")
|
|
return 0
|
|
} else {
|
|
c.Ui.Output("Configuration could not be atomically updated, please try again")
|
|
return 1
|
|
}
|
|
}
|