// TODO: support a .mountignore file used to ignore mtime of files
func (t *Task) mountsLastModified(ctx *context.ExecuteContext) (time.Time, error) {
mountPaths := []string{}
ctx.Resources.EachMount(t.config.Mounts, func(name string, mount *config.MountConfig) {
mountPaths = append(mountPaths, mount.Bind)
})
return fs.LastModified(mountPaths...)
}
func buildIsStale(ctx *context.ExecuteContext, t *Task) (bool, error) {
image, err := GetImage(ctx, t.config)
switch err {
case docker.ErrNoSuchImage:
t.logger().Debug("Image does not exist")
return true, nil
case nil:
default:
return true, err
}
mtime, err := fs.LastModified(t.config.Context)
if err != nil {
t.logger().Warnf("Failed to get last modified time of context.")
return true, err
}
record, err := getImageRecord(recordPath(ctx, t.config))
if err != nil {
t.logger().Warnf("Failed to get image record: %s", err)
if image.Created.Before(mtime) {
t.logger().Debug("Image older than context")
return true, nil
}
return false, nil
}
if image.ID != record.ImageID || record.Info.ModTime().Before(mtime) {
t.logger().Debug("Image record older than context")
return true, nil
}
return false, nil
}
func (t *Task) artifactLastModified() (time.Time, error) {
paths := t.config.Artifact.Paths()
// File or directory doesn't exist
if len(paths) == 0 {
return time.Time{}, nil
}
return fs.LastModified(paths...)
}
func (t *Task) isStale(ctx *context.ExecuteContext) (bool, error) {
if t.config.Artifact.Empty() {
return true, nil
}
artifactLastModified, err := t.artifactLastModified()
if err != nil {
t.logger().Warnf("Failed to get artifact last modified: %s", err)
return true, err
}
if t.config.Sources.NoMatches() {
t.logger().Warnf("No sources found matching: %s", &t.config.Sources)
return true, nil
}
if len(t.config.Sources.Paths()) != 0 {
sourcesLastModified, err := fs.LastModified(t.config.Sources.Paths()...)
if err != nil {
return true, err
}
if artifactLastModified.Before(sourcesLastModified) {
t.logger().Debug("artifact older than sources")
return true, nil
}
return false, nil
}
mountsLastModified, err := t.mountsLastModified(ctx)
if err != nil {
t.logger().Warnf("Failed to get mounts last modified: %s", err)
return true, err
}
if artifactLastModified.Before(mountsLastModified) {
t.logger().Debug("artifact older than mount files")
return true, nil
}
imageName := ctx.Resources.Image(t.config.Use)
taskImage, err := image.GetImage(ctx, imageName)
if err != nil {
return true, fmt.Errorf("failed to get image %q: %s", imageName, err)
}
if artifactLastModified.Before(taskImage.Created) {
t.logger().Debug("artifact older than image")
return true, nil
}
return false, nil
}