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Code Issues Releases Wiki Activity

Add/Remove Cluster plane and Worker hosts

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This commit is contained in:
galal-hussein
2017-11-17 02:45:51 +02:00
parent d9164b79ad
commit 8e302c03a4
9 changed files with 155 additions and 23 deletions
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29
docker/docker.go
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@@ -40,6 +40,35 @@ func DoRunContainer(dClient *client.Client, imageCfg *container.Config, hostCfg
return nil
}
func DoRollingUpdateContainer(dClient *client.Client, imageCfg *container.Config, hostCfg *container.HostConfig, containerName, hostname, plane string) error {
logrus.Debugf("[%s] Checking for deployed %s", plane, containerName)
isRunning, err := IsContainerRunning(dClient, hostname, containerName)
if err != nil {
return err
}
if !isRunning {
logrus.Infof("[%s] Container %s is not running on host [%s]", plane, containerName, hostname)
return nil
}
logrus.Debugf("[%s] Stopping old container", plane)
oldContainerName := "old-" + containerName
if err := StopRenameContainer(dClient, hostname, containerName, oldContainerName); err != nil {
return err
}
logrus.Infof("[%s] Successfully stopped old container %s on host [%s]", plane, containerName, hostname)
_, err = CreateContiner(dClient, hostname, containerName, imageCfg, hostCfg)
if err != nil {
return fmt.Errorf("Failed to create %s container on host [%s]: %v", containerName, hostname, err)
}
if err := StartContainer(dClient, hostname, containerName); err != nil {
return fmt.Errorf("Failed to start %s container on host [%s]: %v", containerName, hostname, err)
}
logrus.Infof("[%s] Successfully updated %s container on host [%s]", plane, containerName, hostname)
logrus.Debugf("[%s] Removing old container", plane)
err = RemoveContainer(dClient, hostname, oldContainerName)
return err
}
func IsContainerRunning(dClient *client.Client, hostname string, containerName string) (bool, error) {
logrus.Debugf("Checking if container %s is running on host [%s]", containerName, hostname)
containers, err := dClient.ContainerList(context.Background(), types.ContainerListOptions{})