github.com/sl1pm4t/consul@v1.4.5-0.20190325224627-74c31c540f9c/command/reload/reload.go (about)

     1  package reload
     2  
     3  import (
     4  	"flag"
     5  	"fmt"
     6  
     7  	"github.com/hashicorp/consul/command/flags"
     8  	"github.com/mitchellh/cli"
     9  )
    10  
    11  func New(ui cli.Ui) *cmd {
    12  	c := &cmd{UI: ui}
    13  	c.init()
    14  	return c
    15  }
    16  
    17  type cmd struct {
    18  	UI    cli.Ui
    19  	flags *flag.FlagSet
    20  	http  *flags.HTTPFlags
    21  	help  string
    22  }
    23  
    24  func (c *cmd) init() {
    25  	c.flags = flag.NewFlagSet("", flag.ContinueOnError)
    26  	c.http = &flags.HTTPFlags{}
    27  	flags.Merge(c.flags, c.http.ClientFlags())
    28  	c.help = flags.Usage(help, c.flags)
    29  }
    30  
    31  func (c *cmd) Run(args []string) int {
    32  	if err := c.flags.Parse(args); err != nil {
    33  		return 1
    34  	}
    35  
    36  	client, err := c.http.APIClient()
    37  	if err != nil {
    38  		c.UI.Error(fmt.Sprintf("Error connecting to Consul agent: %s", err))
    39  		return 1
    40  	}
    41  
    42  	if err := client.Agent().Reload(); err != nil {
    43  		c.UI.Error(fmt.Sprintf("Error reloading: %s", err))
    44  		return 1
    45  	}
    46  
    47  	c.UI.Output("Configuration reload triggered")
    48  	return 0
    49  }
    50  
    51  func (c *cmd) Synopsis() string {
    52  	return synopsis
    53  }
    54  
    55  func (c *cmd) Help() string {
    56  	return c.help
    57  }
    58  
    59  const synopsis = "Triggers the agent to reload configuration files"
    60  const help = `
    61  Usage: consul reload
    62  
    63    Causes the agent to reload configurations. This can be used instead
    64    of sending the SIGHUP signal to the agent.
    65  `