// Execute command, intercepts stdout and print info
func commandWrapper(c *gin.Context, command string, args []string) {
old_stdout := os.Stdout // keep backup of the real stdout
old_stderr := os.Stderr // keep backup of the real stdout
r, w, _ := os.Pipe()
os.Stdout = w
os.Stderr = w
err := lxclib.RunCommand(config, command, args)
if err != nil {
c.String(400, err.Error())
c.Error(err)
}
outC := make(chan string)
// copy the output in a separate goroutine so printing can't block indefinitely
go func() {
var buf bytes.Buffer
io.Copy(&buf, r)
outC <- buf.String()
}()
// back to normal state
w.Close()
os.Stdout = old_stdout // restoring the real stdout
os.Stderr = old_stderr // restoring the real stdout
out := <-outC
c.String(200, out)
}
// URL: /snapshot/:remote/:container
func webSnapshot(c *gin.Context) {
remote := c.Param("remote")
container := c.Param("container")
// snapname := c.Param("snapname")
args := []string{remote + ":" + container}
err := lxclib.RunCommand(config, "snapshot", args)
if err != nil {
c.String(400, err.Error())
c.Error(err)
}
c.String(200, "Snapshot DONE")
}
// URL: /snapshot/:remote/:container
func webMove(c *gin.Context) {
from := c.Param("from")
to := c.Param("to")
// snapname := c.Param("snapname")
args := []string{from, to}
err := lxclib.RunCommand(config, "move", args)
if err != nil {
c.String(400, err.Error())
c.Error(err)
}
c.String(200, "Move DONE")
}
func webRemote(c *gin.Context) {
remote := c.Param("remote")
addr := c.Query("addr")
password := c.Query("password")
if password == "" {
c.String(400, "Need to define a remote server password")
c.Error(fmt.Errorf("Need to define a remote server password"))
}
if addr == "" {
c.String(400, "Need to define a remote addr")
c.Error(fmt.Errorf("Need to define a remote addr"))
}
args := []string{"add", remote, addr, "true", password, "true"}
err := lxclib.RunCommand(config, "remote", args)
if err != nil {
c.String(400, err.Error())
c.Error(err)
}
c.String(200, "Remote Added")
}