func (FilePlugin) Perform(req *api.StatusRequest, ch chan bool) {
client, err := docker.GetConnection(req.Socket)
if err != nil {
ch <- false
return
}
filePath := "/tmp/.ready"
if len(req.Args) > 1 {
filePath = req.Args[1]
}
cmd := []string{"/bin/sh", "-c", "[ -e " + filePath + " ]"}
containerNsPID, err := client.ChildProcessForContainer(req.Container)
exitCode, err := namespace.RunIn(req.Container.Name, containerNsPID, cmd, req.Container.Config.Env)
if req.Verbose {
log.Printf("[file] The file '%s' exists == %t\n", filePath, exitCode)
}
if exitCode == 0 {
ch <- true
} else {
ch <- false
}
}
func runCommandInContainer(name string, command []string, environment []string) {
if len(command) == 0 {
fmt.Println("No command specified")
os.Exit(3)
}
client, err := docker.GetConnection("unix:///var/run/docker.sock")
if err != nil {
fmt.Printf("Unable to connect to server\n")
os.Exit(3)
}
container, err := client.GetContainer(name, false)
if err != nil {
fmt.Printf("Unable to locate container named %v\n", name)
os.Exit(3)
}
containerNsPID, err := client.ChildProcessForContainer(container)
if err != nil {
fmt.Println("Couldn't create child process for container")
os.Exit(3)
}
namespace.RunIn(name, containerNsPID, command, environment)
}
func runCommand(name string, command []string, environment []string) {
client, err := docker.GetConnection("unix:///var/run/docker.sock")
if err != nil {
fmt.Printf("Unable to connect to server\n")
os.Exit(3)
}
container, err := client.GetContainer(name, false)
if err != nil {
fmt.Printf("Unable to locate container named %v\n", name)
os.Exit(3)
}
containerNsPID, err := client.ChildProcessForContainer(container)
if err != nil {
os.Exit(3)
}
namespace.RunIn(name, containerNsPID, command, environment)
}