docs/commands/ls.go

95 lines
1.7 KiB
Go

package commands
import (
"fmt"
"os"
"text/tabwriter"
log "github.com/Sirupsen/logrus"
"github.com/codegangsta/cli"
)
func cmdLs(c *cli.Context) {
quiet := c.Bool("quiet")
certInfo := getCertPathInfo(c)
defaultStore, err := getDefaultStore(
c.GlobalString("storage-path"),
certInfo.CaCertPath,
certInfo.CaKeyPath,
)
if err != nil {
log.Fatal(err)
}
mcn, err := newMcn(defaultStore)
if err != nil {
log.Fatal(err)
}
hostList, err := mcn.List()
if err != nil {
log.Fatal(err)
}
w := tabwriter.NewWriter(os.Stdout, 5, 1, 3, ' ', 0)
if !quiet {
fmt.Fprintln(w, "NAME\tACTIVE\tDRIVER\tSTATE\tURL\tSWARM")
}
items := []hostListItem{}
hostListItems := make(chan hostListItem)
swarmMasters := make(map[string]string)
swarmInfo := make(map[string]string)
for _, host := range hostList {
swarmOptions := host.HostOptions.SwarmOptions
if !quiet {
if swarmOptions.Master {
swarmMasters[swarmOptions.Discovery] = host.Name
}
if swarmOptions.Discovery != "" {
swarmInfo[host.Name] = swarmOptions.Discovery
}
go getHostState(*host, defaultStore, hostListItems)
} else {
fmt.Fprintf(w, "%s\n", host.Name)
}
}
if !quiet {
for i := 0; i < len(hostList); i++ {
items = append(items, <-hostListItems)
}
}
close(hostListItems)
sortHostListItemsByName(items)
for _, item := range items {
activeString := ""
if item.Active {
activeString = "*"
}
swarmInfo := ""
if item.SwarmOptions.Discovery != "" {
swarmInfo = swarmMasters[item.SwarmOptions.Discovery]
if item.SwarmOptions.Master {
swarmInfo = fmt.Sprintf("%s (master)", swarmInfo)
}
}
fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\t%s\n",
item.Name, activeString, item.DriverName, item.State, item.URL, swarmInfo)
}
w.Flush()
}