consul/command/info/info.go

95 lines
1.9 KiB
Go

package info
import (
"flag"
"fmt"
"sort"
"github.com/hashicorp/consul/command/flags"
"github.com/mitchellh/cli"
)
func New(ui cli.Ui) *cmd {
c := &cmd{UI: ui}
c.initFlags()
return c
}
type cmd struct {
UI cli.Ui
flags *flag.FlagSet
http *flags.HTTPFlags
}
func (c *cmd) initFlags() {
c.flags = flag.NewFlagSet("", flag.ContinueOnError)
c.http = &flags.HTTPFlags{}
flags.Merge(c.flags, c.http.ClientFlags())
}
func (c *cmd) Run(args []string) int {
if err := c.flags.Parse(args); err != nil {
return 1
}
client, err := c.http.APIClient()
if err != nil {
c.UI.Error(fmt.Sprintf("Error connecting to Consul agent: %s", err))
return 1
}
self, err := client.Agent().Self()
if err != nil {
c.UI.Error(fmt.Sprintf("Error querying agent: %s", err))
return 1
}
stats, ok := self["Stats"]
if !ok {
c.UI.Error(fmt.Sprintf("Agent response did not contain 'Stats' key: %v", self))
return 1
}
// Get the keys in sorted order
keys := make([]string, 0, len(stats))
for key := range stats {
keys = append(keys, key)
}
sort.Strings(keys)
// Iterate over each top-level key
for _, key := range keys {
c.UI.Output(key + ":")
// Sort the sub-keys
subvals, ok := stats[key].(map[string]interface{})
if !ok {
c.UI.Error(fmt.Sprintf("Got invalid subkey in stats: %v", subvals))
return 1
}
subkeys := make([]string, 0, len(subvals))
for k := range subvals {
subkeys = append(subkeys, k)
}
sort.Strings(subkeys)
// Iterate over the subkeys
for _, subkey := range subkeys {
val := subvals[subkey]
c.UI.Output(fmt.Sprintf("\t%s = %s", subkey, val))
}
}
return 0
}
func (c *cmd) Synopsis() string {
return "Provides debugging information for operators."
}
func (c *cmd) Help() string {
s := `Usage: consul info [options]
Provides debugging information for operators`
return flags.Usage(s, c.flags, c.http.ClientFlags(), nil)
}