Files
nomad/command/agent/command.go
2015-08-15 18:34:47 -07:00

89 lines
3.7 KiB
Go

package agent
import (
"strings"
"github.com/mitchellh/cli"
)
// Command is a Command implementation that runs a Consul agent.
// The command will not end unless a shutdown message is sent on the
// ShutdownCh. If two messages are sent on the ShutdownCh it will forcibly
// exit.
type Command struct {
Revision string
Version string
VersionPrerelease string
Ui cli.Ui
ShutdownCh <-chan struct{}
}
func (c *Command) Run(args []string) int {
c.Ui = &cli.PrefixedUi{
OutputPrefix: "==> ",
InfoPrefix: " ",
ErrorPrefix: "==> ",
Ui: c.Ui,
}
return 0
}
func (c *Command) Synopsis() string {
return "Runs a Nomad agent"
}
func (c *Command) Help() string {
helpText := `
Usage: nomad agent [options]
Starts the Nomad agent and runs until an interrupt is received.
The agent may be a client and/or server.
Options:
-advertise=addr Sets the advertise address to use
-atlas=org/name Sets the Atlas infrastructure name, enables SCADA.
-atlas-join Enables auto-joining the Atlas cluster
-atlas-token=token Provides the Atlas API token
-bootstrap Sets server to bootstrap mode
-bind=0.0.0.0 Sets the bind address for cluster communication
-bootstrap-expect=0 Sets server to expect bootstrap mode.
-client=127.0.0.1 Sets the address to bind for client access.
This includes RPC, DNS, HTTP and HTTPS (if configured)
-config-file=foo Path to a JSON file to read configuration from.
This can be specified multiple times.
-config-dir=foo Path to a directory to read configuration files
from. This will read every file ending in ".json"
as configuration in this directory in alphabetical
order. This can be specified multiple times.
-data-dir=path Path to a data directory to store agent state
-recursor=1.2.3.4 Address of an upstream DNS server.
Can be specified multiple times.
-dc=east-aws Datacenter of the agent
-encrypt=key Provides the gossip encryption key
-join=1.2.3.4 Address of an agent to join at start time.
Can be specified multiple times.
-join-wan=1.2.3.4 Address of an agent to join -wan at start time.
Can be specified multiple times.
-retry-join=1.2.3.4 Address of an agent to join at start time with
retries enabled. Can be specified multiple times.
-retry-interval=30s Time to wait between join attempts.
-retry-max=0 Maximum number of join attempts. Defaults to 0, which
will retry indefinitely.
-retry-join-wan=1.2.3.4 Address of an agent to join -wan at start time with
retries enabled. Can be specified multiple times.
-retry-interval-wan=30s Time to wait between join -wan attempts.
-retry-max-wan=0 Maximum number of join -wan attempts. Defaults to 0, which
will retry indefinitely.
-log-level=info Log level of the agent.
-node=hostname Name of this node. Must be unique in the cluster
-protocol=N Sets the protocol version. Defaults to latest.
-rejoin Ignores a previous leave and attempts to rejoin the cluster.
-server Switches agent to server mode.
-syslog Enables logging to syslog
-ui-dir=path Path to directory containing the Web UI resources
-pid-file=path Path to file to store agent PID
`
return strings.TrimSpace(helpText)
}