Merge pull request #64 from moul/fix-63

Support of custom entrypoint (fix #63)

Author: moul

README.md

@@ -161,6 +161,7 @@ $ docker run --privileged -v /var/lib/docker:/var/lib/docker -it --rm -p 2222:22
 
 ### master (unreleased)
 
+* Support of custom entrypoint ([#63](https://github.com/moul/ssh2docker/issues/63))
 * Support of public-key authentication ([#2](https://github.com/moul/ssh2docker/issues/2))
 * Handling custom environment variables, user and command in password script ([#57](https://github.com/moul/ssh2docker/issues/57))
 * Replacing "_" by "/" on default image name to handle ControlMaster on clients

client.go

@@ -39,6 +39,7 @@ type ClientConfig struct {
 	Command    []string    `json:"command",omitempty`
 	User       string      `json:"user",omitempty`
 	Keys       []string    `json:"keys",omitempty`
+	EntryPoint string      `json:"entrypoint",omitempty`
 }
 
 // NewClient initializes a new client
@@ -165,7 +166,11 @@ func (c *Client) HandleChannelRequests(channel ssh.Channel, requests <-chan *ssh
 					// Opening Docker process
 					if existingContainer != "" {
 						// Attaching to an existing container
-						args := []string{"exec", "-it", existingContainer, c.Server.DefaultShell}
+						shell := c.Server.DefaultShell
+						if c.Config.EntryPoint != "" {
+							shell = c.Config.EntryPoint
+						}
+						args := []string{"exec", "-it", existingContainer, shell}
 						logrus.Debugf("Executing 'docker %s'", strings.Join(args, " "))
 						cmd = exec.Command("docker", args...)
 						cmd.Env = c.Config.Env.List()
@@ -177,6 +182,9 @@ func (c *Client) HandleChannelRequests(channel ssh.Channel, requests <-chan *ssh
 						if c.Config.User != "" {
 							args = append(args, "-u", c.Config.User)
 						}
+						if c.Config.EntryPoint != "" {
+							args = append(args, "--entrypoint", c.Config.EntryPoint)
+						}
 						args = append(args, c.Config.ImageName)
 						if c.Config.Command != nil {
 							args = append(args, c.Config.Command...)