// StartContainer start a container
func (c *Cluster) StartContainer(container *cluster.Container) error {
c.RLock()
defer c.RUnlock()
if err := container.Engine.StartContainer(container, nil); err != nil {
return err
}
_, err := container.Refresh()
return err
}
// StartContainer start a container
func (c *Cluster) StartContainer(container *cluster.Container) error {
c.RLock()
defer c.RUnlock()
if container, _ := container.Refresh(); container != nil {
// As mesos garbage collect containers, we only allow starting on a "Created" containers
if container.Info.State.Running == false && container.Info.State.FinishedAt.IsZero() {
if err := container.Engine.StartContainer(container, nil); err != nil {
_, err = container.Refresh()
return err
}
}
}
return nil
}
func formatContainer(container *cluster.Container) *cluster.Container {
if container == nil {
return nil
}
if name := container.Config.Labels[cluster.SwarmLabelNamespace+".mesos.name"]; name != "" && container.Names[0] != "/"+name {
container.Names = append([]string{"/" + name}, container.Names...)
}
return container
}
func (n *node) updateContainer(c dockerclient.Container, containers map[string]*cluster.Container, full bool) (map[string]*cluster.Container, error) {
var container *cluster.Container
n.Lock()
if current, exists := n.containers[c.Id]; exists {
// The container is already known.
container = current
} else {
// This is a brand new container. We need to do a full refresh.
container = &cluster.Container{
Node: n,
}
full = true
}
// Update its internal state.
container.Container = c
containers[container.Id] = container
// Release the lock here as the next step is slow.
n.Unlock()
// Update ContainerInfo.
if full {
info, err := n.client.InspectContainer(c.Id)
if err != nil {
return nil, err
}
container.Info = *info
// real CpuShares -> nb of CPUs
container.Info.Config.CpuShares = container.Info.Config.CpuShares / 100.0 * n.Cpus
}
return containers, nil
}
// Remove a container from the cluster. Containers should always be destroyed
// through the scheduler to guarantee atomicity.
func (s *Scheduler) RemoveContainer(container *cluster.Container, force bool) error {
s.Lock()
defer s.Unlock()
return container.Node().Destroy(container, force)
}