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e765c67b47
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
67 lines
1.9 KiB
Go
67 lines
1.9 KiB
Go
package execdriver
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import (
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"errors"
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"os/exec"
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"syscall"
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"time"
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)
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var (
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ErrNotRunning = errors.New("Process could not be started")
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ErrWaitTimeoutReached = errors.New("Wait timeout reached")
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)
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type StartCallback func(*Process)
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type Driver interface {
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Run(c *Process, startCallback StartCallback) (int, error) // Run executes the process and blocks until the process exits and returns the exit code
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Kill(c *Process, sig int) error
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// TODO: @crosbymichael @creack wait should probably return the exit code
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Wait(id string, duration time.Duration) error // Wait on an out of process...process - lxc ghosts
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Version() string
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Name() string
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}
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// Network settings of the container
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type Network struct {
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Gateway string `json:"gateway"`
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IPAddress string `json:"ip"`
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IPPrefixLen int `json:"ip_prefix_len"`
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Mtu int `json:"mtu"`
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}
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// Process wrapps an os/exec.Cmd to add more metadata
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type Process struct {
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exec.Cmd
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ID string `json:"id"`
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Privileged bool `json:"privileged"`
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User string `json:"user"`
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Rootfs string `json:"rootfs"` // root fs of the container
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InitPath string `json:"initpath"` // dockerinit
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Entrypoint string `json:"entrypoint"`
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Arguments []string `json:"arguments"`
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WorkingDir string `json:"working_dir"`
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ConfigPath string `json:"config_path"` // This should be able to be removed when the lxc template is moved into the driver
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Tty bool `json:"tty"`
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Network *Network `json:"network"` // if network is nil then networking is disabled
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}
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// Return the pid of the process
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// If the process is nil -1 will be returned
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func (c *Process) Pid() int {
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if c.Process == nil {
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return -1
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}
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return c.Process.Pid
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}
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// Return the exit code of the process
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// if the process has not exited -1 will be returned
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func (c *Process) GetExitCode() int {
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if c.ProcessState == nil {
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return -1
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}
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return c.ProcessState.Sys().(syscall.WaitStatus).ExitStatus()
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}
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