forked from docker/machine
/
inspect.go
55 lines (47 loc) · 1.09 KB
/
inspect.go
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package commands
import (
"encoding/json"
"fmt"
"os"
"text/template"
"github.com/docker/machine/log"
"github.com/codegangsta/cli"
)
var funcMap = template.FuncMap{
"json": func(v interface{}) string {
a, _ := json.Marshal(v)
return string(a)
},
"prettyjson": func(v interface{}) string {
a, _ := json.MarshalIndent(v, "", " ")
return string(a)
},
}
func cmdInspect(c *cli.Context) {
tmplString := c.String("format")
if tmplString != "" {
var tmpl *template.Template
var err error
if tmpl, err = template.New("").Funcs(funcMap).Parse(tmplString); err != nil {
log.Fatalf("Template parsing error: %v\n", err)
}
jsonHost, err := json.Marshal(getHost(c))
if err != nil {
log.Fatal(err)
}
obj := make(map[string]interface{})
if err := json.Unmarshal(jsonHost, &obj); err != nil {
log.Fatal(err)
}
if err := tmpl.Execute(os.Stdout, obj); err != nil {
log.Fatal(err)
}
os.Stdout.Write([]byte{'\n'})
} else {
prettyJSON, err := json.MarshalIndent(getHost(c), "", " ")
if err != nil {
log.Fatal(err)
}
fmt.Println(string(prettyJSON))
}
}