// OutOfSync checks if the container is out of sync with the service definition.
// It looks if the the service hash container label is the same as the computed one.
func (c *Container) OutOfSync() (bool, error) {
container, err := c.findExisting()
if err != nil || container == nil {
return false, err
}
info, err := c.client.InspectContainer(container.ID)
if err != nil {
return false, err
}
return info.Config.Labels[HASH.Str()] != project.GetServiceHash(c.service), nil
}
func (c *Container) createContainer(imageName string, configOverride *project.ServiceConfig) (*dockerclient.APIContainers, error) {
serviceConfig := c.service.serviceConfig
if configOverride != nil {
serviceConfig.Command = configOverride.Command
serviceConfig.Tty = configOverride.Tty
}
createOpts, err := ConvertToAPI(serviceConfig, c.name)
if err != nil {
return nil, err
}
createOpts.Config.Image = imageName
if createOpts.Config.Labels == nil {
createOpts.Config.Labels = map[string]string{}
}
createOpts.Config.Labels[NAME.Str()] = c.name
createOpts.Config.Labels[SERVICE.Str()] = c.service.name
createOpts.Config.Labels[PROJECT.Str()] = c.service.context.Project.Name
createOpts.Config.Labels[HASH.Str()] = project.GetServiceHash(c.service)
err = c.populateAdditionalHostConfig(createOpts.HostConfig)
if err != nil {
return nil, err
}
logrus.Debugf("Creating container %s %#v", c.name, createOpts)
_, err = c.client.CreateContainer(*createOpts)
if err != nil && err == dockerclient.ErrNoSuchImage {
logrus.Debugf("Not Found, pulling image %s", createOpts.Config.Image)
if err = c.pull(createOpts.Config.Image); err != nil {
return nil, err
}
if _, err = c.client.CreateContainer(*createOpts); err != nil {
return nil, err
}
}
if err != nil {
logrus.Debugf("Failed to create container %s: %v", c.name, err)
return nil, err
}
return c.findExisting()
}