func (self *ContainerManager) Manage(host string, container *config.Container) error {
if config.NotIn(self.UsedContainerNames[host], container.Name()) {
self.UsedContainerNames[host] = append(self.UsedContainerNames[host], container.Name())
}
err := self.Launch(host, container)
if err != nil {
return err
}
return self.StopExtra(host, container)
}
func (self *ContainerManager) StopExtra(host string, cont *config.Container) error {
runningContainers, err := self.GetRunningContainersByName(host, cont.Name())
if err != nil {
return err
}
containersToStop := len(runningContainers) - cont.GetCount()
vClient := self.Clients[host]
if containersToStop > 0 {
for i := 0; i < containersToStop; i++ {
c := runningContainers[len(runningContainers)-1-i]
err = vClient.Stop(c.ContainerId)
if err != nil {
return err
}
fmt.Println("stopped " + c.String())
}
}
return nil
}
func (self *ContainerManager) Launch(host string, cont *config.Container) error {
runningContainers, err := self.GetRunningContainersByName(host, cont.Name())
if err != nil {
return err
}
containersToLaunch := cont.GetCount() - len(runningContainers)
vClient := self.Clients[host]
if containersToLaunch > 0 {
for i := 0; i < containersToLaunch; i++ {
variables := make(map[string]string)
for _, link := range cont.Links {
if _, ok := self.EnvVariables[link]; ok {
variables[link] = self.EnvVariables[link]
}
}
if cont.Variables != nil {
for _, variable := range cont.Variables {
values := strings.Split(variable, ":")
if len(values) == 2 {
variables[values[0]] = self.VariableValue(values[1])
}
}
}
serverContainer, err := vClient.Run(cont.Name(), cont.Image, cont.Tag, cont.ImageId, variables, cont.DNS, cont.Volumes, cont.Command, cont.Dockerfile)
if err != nil {
return err
}
if _, ok := self.EnvVariables[cont.Name()]; !ok {
self.EnvVariables[cont.Name()] = serverContainer.Ip
}
fmt.Println(serverContainer)
err = self.Expose(host, cont, serverContainer)
if err != nil {
return err
}
}
} else if len(runningContainers) > 0 {
for _, rc := range runningContainers {
err = self.Expose(host, cont, rc)
if err != nil {
return err
}
}
if _, ok := self.EnvVariables[cont.Name()]; !ok {
self.EnvVariables[cont.Name()] = runningContainers[0].Ip
}
}
return nil
}