93 lines
2.2 KiB
Go
93 lines
2.2 KiB
Go
// Podman driver
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//
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// Abstracts interactions with Podman commands via the ContainerDriver interface.
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package runner
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import (
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logger "courgette/internal/logging"
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"fmt"
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"os"
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"os/exec"
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)
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type PodmanDriver struct{}
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func (d PodmanDriver) Pull(uri string) error {
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cmd := exec.Command("podman", "pull", uri)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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if err := cmd.Run(); err != nil {
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return err
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}
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return nil
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}
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// Sets up a new container with an attached workspace volume.
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//
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// The volume created is labeled with `owner=<containerName>` so it
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// can be easily collected and cleaned up on stop.
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func (d PodmanDriver) Start(uri string, containerName string) error {
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volumeName := fmt.Sprintf("%s-workspace", containerName)
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cmd := exec.Command("podman", "volume", "create", volumeName, "--label", fmt.Sprintf("owner=%s", containerName))
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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if err := cmd.Run(); err != nil {
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return err
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}
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cmd = exec.Command("podman", "run", "-td", "--name", containerName, "-v", fmt.Sprintf("%s:/workspace", volumeName), uri)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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if err := cmd.Run(); err != nil {
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return err
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}
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return nil
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}
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// Stops a container and removes any volumes labelled with its name
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// as owner.
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func (d PodmanDriver) Stop(containerName string) error {
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cmd := exec.Command("podman", "rm", "-f", "-t", "2", containerName)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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if err := cmd.Run(); err != nil {
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return err
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}
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cmd = exec.Command("podman", "wait", containerName, "--ignore")
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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if err := cmd.Run(); err != nil {
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logger.Error("%+v", err)
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}
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cmd = exec.Command("podman", "volume", "prune", "--filter", fmt.Sprintf("label=owner=%s", containerName), "-f")
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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if err := cmd.Run(); err != nil {
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return err
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}
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return nil
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}
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func (d PodmanDriver) Exec(containerId string, command string, cwd string) CommandResult {
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cmd := exec.Command("podman", "exec", "--workdir", cwd, containerId, "bash", "-c", command)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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err := cmd.Run()
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return CommandResult{
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Error: err,
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ExitCode: cmd.ProcessState.ExitCode(),
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}
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}
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