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Diffstat (limited to 'libpod/runc.go')
-rw-r--r--libpod/runc.go117
1 files changed, 117 insertions, 0 deletions
diff --git a/libpod/runc.go b/libpod/runc.go
new file mode 100644
index 000000000..efbb51b24
--- /dev/null
+++ b/libpod/runc.go
@@ -0,0 +1,117 @@
+package libpod
+
+import (
+ "os"
+ "os/exec"
+ "strings"
+
+ "github.com/sirupsen/logrus"
+)
+
+type runcGlobalOptions struct {
+ log string
+ logFormat string
+ root string
+ criu string
+ systemdCgroup bool
+}
+type runcExecOptions struct {
+ consoleSocket string
+ cwd string
+ env []string
+ tty bool
+ user string
+ processPath string
+ detach bool
+ pidFile string
+ processLabel string
+ apparmor string
+ noNewPrivs bool
+ capAdd []string
+}
+
+func parseGlobalOptionsToArgs(opts runcGlobalOptions) []string {
+ args := []string{}
+ if opts.log != "" {
+ args = append(args, "--log", opts.log)
+ }
+ if opts.logFormat != "" {
+ args = append(args, "--log-format", opts.logFormat)
+ }
+ if opts.root != "" {
+ args = append(args, "--root", opts.root)
+ }
+ if opts.criu != "" {
+ args = append(args, "--criu", opts.criu)
+ }
+ if opts.systemdCgroup {
+ args = append(args, "--systemd-cgroup")
+ }
+ return args
+}
+
+// RuncExec executes 'runc --options exec --options cmd'
+func (r *OCIRuntime) RuncExec(container *Container, command []string, globalOpts runcGlobalOptions, execOpts runcExecOptions) error {
+ args := []string{}
+ args = append(args, parseGlobalOptionsToArgs(globalOpts)...)
+ // Add subcommand
+ args = append(args, "exec")
+ // Now add subcommand args
+
+ if execOpts.consoleSocket != "" {
+ args = append(args, "--console-socket", execOpts.consoleSocket)
+ }
+ if execOpts.cwd != "" {
+ args = append(args, "--cwd", execOpts.cwd)
+ }
+
+ if len(execOpts.env) > 0 {
+ for _, envInput := range execOpts.env {
+ args = append(args, "--env", envInput)
+ }
+ }
+ if execOpts.tty {
+ args = append(args, "--tty")
+ }
+ if execOpts.user != "" {
+ args = append(args, "--user", execOpts.user)
+
+ }
+ if execOpts.processPath != "" {
+ args = append(args, "--process", execOpts.processPath)
+ }
+ if execOpts.detach {
+ args = append(args, "--detach")
+ }
+ if execOpts.pidFile != "" {
+ args = append(args, "--pid-file", execOpts.pidFile)
+ }
+ if execOpts.processLabel != "" {
+ args = append(args, "--process-label", execOpts.processLabel)
+ }
+ if execOpts.apparmor != "" {
+ args = append(args, "--apparmor", execOpts.apparmor)
+ }
+ if execOpts.noNewPrivs {
+ args = append(args, "--no-new-privs")
+ }
+ if len(execOpts.capAdd) > 0 {
+ for _, capAddValue := range execOpts.capAdd {
+ args = append(args, "--cap", capAddValue)
+ }
+ }
+
+ // Append Cid
+ args = append(args, container.ID())
+ // Append Cmd
+ args = append(args, command...)
+
+ logrus.Debug("Executing runc command: %s %s", r.path, strings.Join(args, " "))
+ cmd := exec.Command(r.path, args...)
+ cmd.Stdout = os.Stdout
+ cmd.Stderr = os.Stderr
+ cmd.Stdin = os.Stdin
+ cmd.Start()
+ err := cmd.Wait()
+ return err
+}