55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
package updater
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import (
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"context"
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"fmt"
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"os/exec"
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"strings"
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"github.com/shcizo/package-updater/internal/discovery"
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)
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// ComposeExecutor invokes `docker compose` as a subprocess.
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type ComposeExecutor struct{}
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// NewComposeExecutor returns an executor that shells out to docker compose.
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func NewComposeExecutor() *ComposeExecutor {
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return &ComposeExecutor{}
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}
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// Execute runs `docker compose -f <file>... -p <project> pull <service>`
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// followed by `... up -d <service>`. Working directory is set to
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// job.WorkingDir so any relative paths in the compose file resolve correctly.
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func (e *ComposeExecutor) Execute(ctx context.Context, job discovery.Job) error {
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if job.Refused {
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return fmt.Errorf("refused: %s", job.RefusedReason)
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}
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if err := e.run(ctx, job, "pull"); err != nil {
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return fmt.Errorf("pull: %w", err)
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}
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if err := e.run(ctx, job, "up", "-d"); err != nil {
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return fmt.Errorf("up: %w", err)
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}
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return nil
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}
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func (e *ComposeExecutor) run(ctx context.Context, job discovery.Job, args ...string) error {
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cliArgs := []string{"compose"}
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for _, f := range job.ConfigFiles {
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cliArgs = append(cliArgs, "-f", f)
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}
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cliArgs = append(cliArgs, "-p", job.Project)
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cliArgs = append(cliArgs, args...)
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cliArgs = append(cliArgs, job.Service)
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cmd := exec.CommandContext(ctx, "docker", cliArgs...)
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cmd.Dir = job.WorkingDir
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out, err := cmd.CombinedOutput()
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if err != nil {
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return fmt.Errorf("docker %s: %w (output: %s)",
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strings.Join(args, " "), err, strings.TrimSpace(string(out)))
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}
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return nil
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}
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