func PrintLineByContainerName(containerName string, existing bool) ([]string, error) {
cont0, exists := util.ParseContainers(containerName, true)
if exists {
cont1, running := util.ParseContainers(containerName, false)
if running && (cont0.ID == cont1.ID) {
return util.PrintLineByContainerID(cont0.ID, false) //will print "RUNNING" = Yes when asked for existing/running conts
} else {
return util.PrintLineByContainerID(cont0.ID, true) // will print "RUNNING" = No when asked for existing conts
}
}
return nil, nil //fail silently
}
func makePartFromContainer(name string) (v Parts, err error) {
// this block pulls out functionality from
// PrintLineByContainerName{Id} & printLine
var contID *docker.Container
cont, exists := util.ParseContainers(name, true)
if exists {
contID, err = util.DockerClient.InspectContainer(cont.ID)
if err != nil {
return Parts{}, err
}
}
if err != nil {
return Parts{}, err
}
tmp, err := reflections.GetField(contID, "Name")
if err != nil {
return Parts{}, err
}
n := tmp.(string)
Names := util.ContainerDisassemble(n)
v = Parts{
ShortName: Names.ShortName,
//Running: set in previous function
FullName: Names.FullName,
PortsOutput: util.FormulatePortsOutput(contID),
}
return v, nil
}
// ContainerExists returns APIContainers containers list and true
// if the container ops.DataContainerName exists and running,
// otherwise false.
func DataContainerExists(ops *def.Operation) (docker.APIContainers, bool) {
return util.ParseContainers(ops.DataContainerName, true)
}
// ContainerExists returns APIContainers containers list and true
// if the container ops.SrvContainerName exists and is running,
// otherwise false.
func ContainerRunning(ops *def.Operation) (docker.APIContainers, bool) {
return util.ParseContainers(ops.SrvContainerName, false)
}
// DockerExecService creates and runs a chain or a service container interactively.
//
// ops.Args - command line parameters
// ops.Interactive - if true, set Entrypoint to ops.Args,
// if false, set Cmd to ops.Args
//
// See parameter description for DockerRunService.
func DockerExecService(srv *def.Service, ops *def.Operation) error {
logger.Infof("Starting Service =>\t\t%s\n", srv.Name)
optsServ := configureInteractiveContainer(srv, ops)
// Fix volume paths.
var err error
srv.Volumes, err = util.FixDirs(srv.Volumes)
if err != nil {
return err
}
// Setup data container.
logger.Infof("Manage data containers? =>\t%t\n", srv.AutoData)
if srv.AutoData {
optsData, err := configureDataContainer(srv, ops, &optsServ)
if err != nil {
return err
}
if _, exists := util.ParseContainers(ops.DataContainerName, true); exists {
logger.Infoln("Data container already exists, am not creating.")
} else {
logger.Infoln("Data container does not exist, creating.")
_, err := createContainer(optsData)
if err != nil {
return err
}
}
}
logger.Infof("Service container does not exist, creating from image (%s).\n", srv.Image)
_, err = createContainer(optsServ)
if err != nil {
return err
}
defer func() {
logger.Infof("Removing container =>\t\t%s\n", optsServ.Name)
if err := removeContainer(optsServ.Name, false); err != nil {
fmt.Errorf("Tragic! Error removing data container after executing (%v): %v", optsServ.Name, err)
}
logger.Infof("Container removed =>\t\t%s\n", optsServ.Name)
}()
// Start the container.
logger.Infof("Starting service container =>\t%s\n", optsServ.Name)
if srv.AutoData {
logger.Infof("\twith data container =>\t%s\n", ops.DataContainerName)
}
logger.Debugf("\twith EntryPoint =>\t%v\n", optsServ.Config.Entrypoint)
logger.Debugf("\twith CMD =>\t\t%v\n", optsServ.Config.Cmd)
logger.Debugf("\twith Image =>\t\t%v\n", optsServ.Config.Image)
logger.Debugf("\twith AllPortsPubl'd =>\t%v\n", optsServ.HostConfig.PublishAllPorts)
logger.Debugf("\twith Environment =>\t%v\n", optsServ.Config.Env)
if err := startInteractiveContainer(optsServ); err != nil {
return err
}
return nil
}
// DockerRunService creates and runs a chain or a service container with the srv
// settings template. It also creates dependent data containers if srv.AutoData
// is true. DockerRunService returns Docker errors if not successful.
//
// srv.AutoData - if true, create or use existing data container
//
// ops.SrvContainerName - service or a chain container name
// ops.DataContainerName - dependent data container name
// ops.ContainerNumber - container number
// ops.ContainerType - container type
// ops.Labels - container creation time labels
// (use LoadServiceDefinition or LoadChainDefinition)
// Container parameters:
//
// ops.Remove - remove container on exit (similar to `docker run --rm`)
// ops.PublishAllPorts - if true, publish exposed ports to random ports
// ops.CapAdd - add linux capabilities (similar to `docker run --cap-add=[]`)
// ops.CapDrop - add linux capabilities (similar to `docker run --cap-drop=[]`)
// ops.Privileged - if true, give extended privileges
// ops.Restart - container restart policy ("always", "max:<#attempts>"
// or never if unspecified)
//
func DockerRunService(srv *def.Service, ops *def.Operation) error {
logger.Infof("Starting Service =>\t\t%s\n", srv.Name)
_, running := ContainerRunning(ops)
if running {
logger.Infof("Service already Started. Skipping.\n\tService Name=>\t\t%s\n", srv.Name)
return nil
}
optsServ := configureServiceContainer(srv, ops)
// Fix volume paths.
var err error
srv.Volumes, err = util.FixDirs(srv.Volumes)
if err != nil {
return err
}
// Setup data container.
logger.Infof("Manage data containers? =>\t%t\n", srv.AutoData)
if srv.AutoData {
optsData, err := configureDataContainer(srv, ops, &optsServ)
if err != nil {
return err
}
if _, exists := util.ParseContainers(ops.DataContainerName, true); exists {
logger.Infoln("Data Container already exists, am not creating.")
} else {
logger.Infoln("Data Container does not exist, creating.")
_, err := createContainer(optsData)
if err != nil {
return err
}
}
}
// Check existence || create the container.
if _, exists := ContainerExists(ops); exists {
logger.Infoln("Service container already exists, am not creating.")
} else {
logger.Infof("Service container does not exist, creating from image (%s).\n", srv.Image)
_, err := createContainer(optsServ)
if err != nil {
return err
}
}
// Start the container.
logger.Infof("Starting service container =>\t%s\n", optsServ.Name)
if srv.AutoData {
logger.Infof("\twith data container =>\t%s\n", ops.DataContainerName)
}
logger.Debugf("\twith EntryPoint =>\t%v\n", optsServ.Config.Entrypoint)
logger.Debugf("\twith CMD =>\t\t%v\n", optsServ.Config.Cmd)
logger.Debugf("\twith Image =>\t\t%v\n", optsServ.Config.Image)
logger.Debugf("\twith AllPortsPubl'd =>\t%v\n", optsServ.HostConfig.PublishAllPorts)
logger.Debugf("\twith Environment =>\t%v\n", optsServ.Config.Env)
if err := startContainer(optsServ); err != nil {
return err
}
if ops.Remove {
logger.Infof("Removing container =>\t%s\n", optsServ.Name)
if err := removeContainer(optsServ.Name, false); err != nil {
return err
}
}
logger.Infof("Successfully started service =>\t%s\n", optsServ.Name)
return nil
}
// DockerExecService creates and runs a chain or a service container interactively.
//
// ops.Args - command line parameters
// ops.Interactive - if true, set Entrypoint to ops.Args,
// if false, set Cmd to ops.Args
//
// See parameter description for DockerRunService.
func DockerExecService(srv *def.Service, ops *def.Operation) error {
log.WithField("=>", ops.SrvContainerName).Info("Executing container")
optsServ := configureInteractiveContainer(srv, ops)
// Fix volume paths.
var err error
srv.Volumes, err = util.FixDirs(srv.Volumes)
if err != nil {
return err
}
// Setup data container.
log.WithField("autodata", srv.AutoData).Info("Manage data containers?")
if srv.AutoData {
optsData, err := configureDataContainer(srv, ops, &optsServ)
if err != nil {
return err
}
if _, exists := util.ParseContainers(ops.DataContainerName, true); exists {
log.Info("Data container already exists, am not creating")
} else {
log.Info("Data container does not exist. Creating")
_, err := createContainer(optsData)
if err != nil {
return err
}
}
}
log.WithField("image", srv.Image).Debug("Container does not exist. Creating")
_, err = createContainer(optsServ)
if err != nil {
return err
}
defer func() {
log.WithField("=>", optsServ.Name).Info("Removing container")
if err := removeContainer(optsServ.Name, false, false); err != nil {
log.WithField("=>", optsServ.Name).Error("Tragic! Error removing data container after executing")
log.Error(err)
}
log.WithField("=>", optsServ.Name).Info("Container removed")
}()
// Start the container.
log.WithFields(log.Fields{
"=>": optsServ.Name,
"data container": ops.DataContainerName,
"entrypoint": optsServ.Config.Entrypoint,
"cmd": optsServ.Config.Cmd,
"ports published": optsServ.HostConfig.PublishAllPorts,
"environment": optsServ.Config.Env,
"image": optsServ.Config.Image,
"user": optsServ.Config.User,
"vols": optsServ.HostConfig.Binds,
}).Info("Executing interactive container")
if err := startInteractiveContainer(optsServ); err != nil {
return err
}
return nil
}
// DockerRunService creates and runs a chain or a service container with the srv
// settings template. It also creates dependent data containers if srv.AutoData
// is true. DockerRunService returns Docker errors if not successful.
//
// srv.AutoData - if true, create or use existing data container
// srv.Restart - container restart policy ("always", "max:<#attempts>"
// or never if unspecified)
//
// ops.SrvContainerName - service or a chain container name
// ops.DataContainerName - dependent data container name
// ops.ContainerNumber - container number
// ops.ContainerType - container type
// ops.Labels - container creation time labels
// (use LoadServiceDefinition or LoadChainDefinition)
// Container parameters:
//
// ops.Remove - remove container on exit (similar to `docker run --rm`)
// ops.PublishAllPorts - if true, publish exposed ports to random ports
// ops.CapAdd - add linux capabilities (similar to `docker run --cap-add=[]`)
// ops.CapDrop - add linux capabilities (similar to `docker run --cap-drop=[]`)
// ops.Privileged - if true, give extended privileges
//
func DockerRunService(srv *def.Service, ops *def.Operation) error {
log.WithField("=>", ops.SrvContainerName).Info("Running container")
_, running := ContainerRunning(ops)
if running {
log.WithField("=>", ops.SrvContainerName).Info("Container already started. Skipping")
return nil
}
optsServ := configureServiceContainer(srv, ops)
// Fix volume paths.
var err error
srv.Volumes, err = util.FixDirs(srv.Volumes)
if err != nil {
return err
}
// Setup data container.
log.WithField("autodata", srv.AutoData).Info("Manage data containers?")
if srv.AutoData {
optsData, err := configureDataContainer(srv, ops, &optsServ)
if err != nil {
return err
}
if _, exists := util.ParseContainers(ops.DataContainerName, true); exists {
log.Info("Data container already exists. Not creating")
} else {
log.Info("Data container does not exist. Creating")
_, err := createContainer(optsData)
if err != nil {
return err
}
}
}
// Check existence || create the container.
if _, exists := ContainerExists(ops); exists {
log.Debug("Container already exists. Not creating")
} else {
log.WithField("image", srv.Image).Debug("Container does not exist. Creating")
_, err := createContainer(optsServ)
if err != nil {
return err
}
}
// Start the container.
log.WithFields(log.Fields{
"=>": optsServ.Name,
"data container": ops.DataContainerName,
"entrypoint": optsServ.Config.Entrypoint,
"cmd": optsServ.Config.Cmd,
"published ports": optsServ.HostConfig.PublishAllPorts,
"environment": optsServ.Config.Env,
"image": optsServ.Config.Image,
}).Info("Starting container")
if err := startContainer(optsServ); err != nil {
return err
}
if ops.Remove {
log.WithField("=>", optsServ.Name).Info("Removing container")
if err := removeContainer(optsServ.Name, false, false); err != nil {
return err
}
}
log.WithField("=>", optsServ.Name).Info("Container started")
return nil
}
