open-consul/command/operator_autopilot_set.go

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package command
import (
"flag"
"fmt"
"time"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/consul/command/flags"
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)
type OperatorAutopilotSetCommand struct {
pkg refactor command/agent/* -> agent/* command/consul/* -> agent/consul/* command/agent/command{,_test}.go -> command/agent{,_test}.go command/base/command.go -> command/base.go command/base/* -> command/* commands.go -> command/commands.go The script which did the refactor is: ( cd $GOPATH/src/github.com/hashicorp/consul git mv command/agent/command.go command/agent.go git mv command/agent/command_test.go command/agent_test.go git mv command/agent/flag_slice_value{,_test}.go command/ git mv command/agent . git mv command/base/command.go command/base.go git mv command/base/config_util{,_test}.go command/ git mv commands.go command/ git mv consul agent rmdir command/base/ gsed -i -e 's|package agent|package command|' command/agent{,_test}.go gsed -i -e 's|package agent|package command|' command/flag_slice_value{,_test}.go gsed -i -e 's|package base|package command|' command/base.go command/config_util{,_test}.go gsed -i -e 's|package main|package command|' command/commands.go gsed -i -e 's|base.Command|BaseCommand|' command/commands.go gsed -i -e 's|agent.Command|AgentCommand|' command/commands.go gsed -i -e 's|\tCommand:|\tBaseCommand:|' command/commands.go gsed -i -e 's|base\.||' command/commands.go gsed -i -e 's|command\.||' command/commands.go gsed -i -e 's|command|c|' main.go gsed -i -e 's|range Commands|range command.Commands|' main.go gsed -i -e 's|Commands: Commands|Commands: command.Commands|' main.go gsed -i -e 's|base\.BoolValue|BoolValue|' command/operator_autopilot_set.go gsed -i -e 's|base\.DurationValue|DurationValue|' command/operator_autopilot_set.go gsed -i -e 's|base\.StringValue|StringValue|' command/operator_autopilot_set.go gsed -i -e 's|base\.UintValue|UintValue|' command/operator_autopilot_set.go gsed -i -e 's|\bCommand\b|BaseCommand|' command/base.go gsed -i -e 's|BaseCommand Options|Command Options|' command/base.go gsed -i -e 's|base.Command|BaseCommand|' command/*.go gsed -i -e 's|c\.Command|c.BaseCommand|g' command/*.go gsed -i -e 's|\tCommand:|\tBaseCommand:|' command/*_test.go gsed -i -e 's|base\.||' command/*_test.go gsed -i -e 's|\bCommand\b|AgentCommand|' command/agent{,_test}.go gsed -i -e 's|cmd.AgentCommand|cmd.BaseCommand|' command/agent.go gsed -i -e 's|cli.AgentCommand = new(Command)|cli.Command = new(AgentCommand)|' command/agent_test.go gsed -i -e 's|exec.AgentCommand|exec.Command|' command/agent_test.go gsed -i -e 's|exec.BaseCommand|exec.Command|' command/agent_test.go gsed -i -e 's|NewTestAgent|agent.NewTestAgent|' command/agent_test.go gsed -i -e 's|= TestConfig|= agent.TestConfig|' command/agent_test.go gsed -i -e 's|: RetryJoin|: agent.RetryJoin|' command/agent_test.go gsed -i -e 's|\.\./\.\./|../|' command/config_util_test.go gsed -i -e 's|\bverifyUniqueListeners|VerifyUniqueListeners|' agent/config{,_test}.go command/agent.go gsed -i -e 's|\bserfLANKeyring\b|SerfLANKeyring|g' agent/{agent,keyring,testagent}.go command/agent.go gsed -i -e 's|\bserfWANKeyring\b|SerfWANKeyring|g' agent/{agent,keyring,testagent}.go command/agent.go gsed -i -e 's|\bNewAgent\b|agent.New|g' command/agent{,_test}.go gsed -i -e 's|\bNewAgent|New|' agent/{acl_test,agent,testagent}.go gsed -i -e 's|\bAgent\b|agent.&|g' command/agent{,_test}.go gsed -i -e 's|\bBool\b|agent.&|g' command/agent{,_test}.go gsed -i -e 's|\bConfig\b|agent.&|g' command/agent{,_test}.go gsed -i -e 's|\bDefaultConfig\b|agent.&|g' command/agent{,_test}.go gsed -i -e 's|\bDevConfig\b|agent.&|g' command/agent{,_test}.go gsed -i -e 's|\bMergeConfig\b|agent.&|g' command/agent{,_test}.go gsed -i -e 's|\bReadConfigPaths\b|agent.&|g' command/agent{,_test}.go gsed -i -e 's|\bParseMetaPair\b|agent.&|g' command/agent{,_test}.go gsed -i -e 's|\bSerfLANKeyring\b|agent.&|g' command/agent{,_test}.go gsed -i -e 's|\bSerfWANKeyring\b|agent.&|g' command/agent{,_test}.go gsed -i -e 's|circonus\.agent|circonus|g' command/agent{,_test}.go gsed -i -e 's|logger\.agent|logger|g' command/agent{,_test}.go gsed -i -e 's|metrics\.agent|metrics|g' command/agent{,_test}.go gsed -i -e 's|// agent.Agent|// agent|' command/agent{,_test}.go gsed -i -e 's|a\.agent\.Config|a.Config|' command/agent{,_test}.go gsed -i -e 's|agent\.AppendSliceValue|AppendSliceValue|' command/{configtest,validate}.go gsed -i -e 's|consul/consul|agent/consul|' GNUmakefile gsed -i -e 's|\.\./test|../../test|' agent/consul/server_test.go # fix imports f=$(grep -rl 'github.com/hashicorp/consul/command/agent' * | grep '\.go') gsed -i -e 's|github.com/hashicorp/consul/command/agent|github.com/hashicorp/consul/agent|' $f goimports -w $f f=$(grep -rl 'github.com/hashicorp/consul/consul' * | grep '\.go') gsed -i -e 's|github.com/hashicorp/consul/consul|github.com/hashicorp/consul/agent/consul|' $f goimports -w $f goimports -w command/*.go main.go )
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BaseCommand
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// flags
cleanupDeadServers flags.BoolValue
maxTrailingLogs flags.UintValue
lastContactThreshold flags.DurationValue
serverStabilizationTime flags.DurationValue
redundancyZoneTag flags.StringValue
disableUpgradeMigration flags.BoolValue
upgradeVersionTag flags.StringValue
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}
func (c *OperatorAutopilotSetCommand) initFlags() {
c.InitFlagSet()
c.FlagSet.Var(&c.cleanupDeadServers, "cleanup-dead-servers",
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"Controls whether Consul will automatically remove dead servers "+
"when new ones are successfully added. Must be one of `true|false`.")
c.FlagSet.Var(&c.maxTrailingLogs, "max-trailing-logs",
"Controls the maximum number of log entries that a server can trail the "+
"leader by before being considered unhealthy.")
c.FlagSet.Var(&c.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`.")
c.FlagSet.Var(&c.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`.")
c.FlagSet.Var(&c.redundancyZoneTag, "redundancy-zone-tag",
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"(Enterprise-only) Controls the node_meta tag name used for separating servers into "+
"different redundancy zones.")
c.FlagSet.Var(&c.disableUpgradeMigration, "disable-upgrade-migration",
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"(Enterprise-only) Controls whether Consul will avoid promoting new servers until "+
"it can perform a migration. Must be one of `true|false`.")
c.FlagSet.Var(&c.upgradeVersionTag, "upgrade-version-tag",
"(Enterprise-only) The node_meta tag to use for version info when performing upgrade "+
"migrations. If left blank, the Consul version will be used.")
}
func (c *OperatorAutopilotSetCommand) Help() string {
c.initFlags()
return c.HelpCommand(`
Usage: consul operator autopilot set-config [options]
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Modifies the current Autopilot configuration.
`)
}
func (c *OperatorAutopilotSetCommand) Synopsis() string {
return "Modify the current Autopilot configuration"
}
func (c *OperatorAutopilotSetCommand) Run(args []string) int {
c.initFlags()
if err := c.FlagSet.Parse(args); err != nil {
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if err == flag.ErrHelp {
return 0
}
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c.UI.Error(fmt.Sprintf("Failed to parse args: %v", err))
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return 1
}
// Set up a client.
client, err := c.HTTPClient()
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error initializing client: %s", err))
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return 1
}
// Fetch the current configuration.
operator := client.Operator()
conf, err := operator.AutopilotGetConfiguration(nil)
if err != nil {
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c.UI.Error(fmt.Sprintf("Error querying Autopilot configuration: %s", err))
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return 1
}
// Update the config values based on the set flags.
c.cleanupDeadServers.Merge(&conf.CleanupDeadServers)
c.redundancyZoneTag.Merge(&conf.RedundancyZoneTag)
c.disableUpgradeMigration.Merge(&conf.DisableUpgradeMigration)
c.upgradeVersionTag.Merge(&conf.UpgradeVersionTag)
trailing := uint(conf.MaxTrailingLogs)
c.maxTrailingLogs.Merge(&trailing)
conf.MaxTrailingLogs = uint64(trailing)
last := time.Duration(*conf.LastContactThreshold)
c.lastContactThreshold.Merge(&last)
conf.LastContactThreshold = api.NewReadableDuration(last)
stablization := time.Duration(*conf.ServerStabilizationTime)
c.serverStabilizationTime.Merge(&stablization)
conf.ServerStabilizationTime = api.NewReadableDuration(stablization)
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// Check-and-set the new configuration.
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result, err := operator.AutopilotCASConfiguration(conf, nil)
if err != nil {
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c.UI.Error(fmt.Sprintf("Error setting Autopilot configuration: %s", err))
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return 1
}
if result {
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c.UI.Output("Configuration updated!")
return 0
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}
c.UI.Output("Configuration could not be atomically updated, please try again")
return 1
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}