// convertToContainerDef transforms each service in the compose yml
// to an equivalent container definition
func convertToContainerDef(inputCfg *libcompose.ServiceConfig,
volumes map[string]string, outputContDef *ecs.ContainerDefinition) error {
// setting memory
var mem int64
if inputCfg.MemLimit != 0 {
mem = inputCfg.MemLimit / kiB / kiB // convert bytes to MiB
}
if mem == 0 {
mem = defaultMemLimit
}
// convert environment variables
// TODO, read env file
environment := []*ecs.KeyValuePair{}
for _, env := range inputCfg.Environment.Slice() {
parts := strings.SplitN(env, "=", 2)
name := &parts[0]
var value *string
if len(parts) > 1 {
value = &parts[1]
}
environment = append(environment, &ecs.KeyValuePair{
Name: name,
Value: value,
})
}
// convert port mappings
portMappings, err := convertToPortMappings(*outputContDef.Name, inputCfg.Ports)
if err != nil {
return err
}
// convert volumes from
volumesFrom := []*ecs.VolumeFrom{}
for _, val := range inputCfg.VolumesFrom {
volumeFrom := &ecs.VolumeFrom{
SourceContainer: aws.String(val),
}
volumesFrom = append(volumesFrom, volumeFrom)
}
// convert mount points
mountPoints, err := convertToMountPoints(inputCfg.Volumes, volumes)
if err != nil {
return err
}
// populating container definition, offloading the validation to aws-sdk
outputContDef.Cpu = aws.Int64(inputCfg.CpuShares)
outputContDef.Memory = aws.Int64(mem)
outputContDef.EntryPoint = aws.StringSlice(inputCfg.Entrypoint.Slice())
outputContDef.Command = aws.StringSlice(inputCfg.Command.Slice())
outputContDef.Environment = environment
outputContDef.Image = aws.String(inputCfg.Image)
outputContDef.Links = aws.StringSlice(inputCfg.Links.Slice()) //TODO, read from external links
outputContDef.MountPoints = mountPoints
outputContDef.PortMappings = portMappings
outputContDef.VolumesFrom = volumesFrom
return nil
}
//
// Called by createTask() above. Given a filename, parse the JSON file and create a ContainerDefinition
// struct that can be passed to the SDK to create the task definition.
//
func makeTaskDefinition(taskFile string) (ecs.ContainerDefinition, string) {
var taskJSON TaskDefn
// Do it the easy way and read in the whole file. A JSON file's not going to be very large.
fileBytes, err := ioutil.ReadFile(taskFile)
CheckError(fmt.Sprintf("Error reading task file %s", taskFile), err)
err = json.Unmarshal(fileBytes, &taskJSON)
CheckError(fmt.Sprintf("Error reading task file %s", taskFile), err)
// TODO: Support more than one if it's ever needed.
if len(taskJSON.ContainerDefinitions) > 1 {
fmt.Println("Right now I only support a single ContainerDefinition, sorry. Please edit and try again.")
os.Exit(1)
}
// Now let's construct our Container Definition object, which is a lot of boring copying of fields.
var defn ecs.ContainerDefinition
defn.Cpu = &taskJSON.ContainerDefinitions[0].CPU
var commands = make([]*string, 0)
for i := 0; i < len(taskJSON.ContainerDefinitions[0].Command); i++ {
commands = append(commands, &taskJSON.ContainerDefinitions[0].Command[i])
}
defn.Command = commands
var entrypoints = make([]*string, 0)
for i := 0; i < len(taskJSON.ContainerDefinitions[0].EntryPoint); i++ {
entrypoints = append(entrypoints, &taskJSON.ContainerDefinitions[0].EntryPoint[i])
}
defn.EntryPoint = entrypoints
var environments = make([]*ecs.KeyValuePair, 0)
for i := 0; i < len(taskJSON.ContainerDefinitions[0].Environment); i++ {
var keyval ecs.KeyValuePair
keyval.Name = taskJSON.ContainerDefinitions[0].Environment[i].Name
keyval.Value = taskJSON.ContainerDefinitions[0].Environment[i].Value
environments = append(environments, &keyval)
}
defn.Environment = environments
defn.Essential = &taskJSON.ContainerDefinitions[0].Essential
defn.Image = &taskJSON.ContainerDefinitions[0].Image
defn.Memory = &taskJSON.ContainerDefinitions[0].Memory
defn.Name = &taskJSON.ContainerDefinitions[0].Name
var ports = make([]*ecs.PortMapping, 0)
for i := 0; i < len(taskJSON.ContainerDefinitions[0].PortMappings); i++ {
var portmap ecs.PortMapping
portmap.ContainerPort = taskJSON.ContainerDefinitions[0].PortMappings[i].ContainerPort
portmap.HostPort = taskJSON.ContainerDefinitions[0].PortMappings[i].HostPort
ports = append(ports, &portmap)
}
defn.PortMappings = ports
return defn, taskJSON.Family
}
// convertToContainerDef transforms each service in the compose yml
// to an equivalent container definition
func convertToContainerDef(inputCfg *libcompose.ServiceConfig,
volumes map[string]string, outputContDef *ecs.ContainerDefinition) error {
// setting memory
var mem int64
if inputCfg.MemLimit != 0 {
mem = inputCfg.MemLimit / kiB / kiB // convert bytes to MiB
}
if mem == 0 {
mem = defaultMemLimit
}
// convert environment variables
// TODO, read env file
environment := []*ecs.KeyValuePair{}
for _, env := range inputCfg.Environment.Slice() {
parts := strings.SplitN(env, "=", 2)
name := &parts[0]
var value *string
if len(parts) > 1 {
value = &parts[1]
}
environment = append(environment, &ecs.KeyValuePair{
Name: name,
Value: value,
})
}
// convert port mappings
portMappings, err := convertToPortMappings(*outputContDef.Name, inputCfg.Ports)
if err != nil {
return err
}
// convert volumes from
volumesFrom := []*ecs.VolumeFrom{}
for _, val := range inputCfg.VolumesFrom {
volumeFrom := &ecs.VolumeFrom{
SourceContainer: aws.String(val),
}
volumesFrom = append(volumesFrom, volumeFrom)
}
// convert mount points
mountPoints, err := convertToMountPoints(inputCfg.Volumes, volumes)
if err != nil {
return err
}
// convert extra hosts
extraHosts, err := convertToExtraHosts(inputCfg.ExtraHosts)
if err != nil {
return err
}
// convert log configuration
var logConfig *ecs.LogConfiguration
if inputCfg.LogDriver != "" {
logConfig = &ecs.LogConfiguration{
LogDriver: aws.String(inputCfg.LogDriver),
Options: aws.StringMap(inputCfg.LogOpt),
}
}
// convert ulimits
ulimits, err := convertToULimits(inputCfg.ULimits)
if err != nil {
return err
}
// populating container definition, offloading the validation to aws-sdk
outputContDef.Cpu = aws.Int64(inputCfg.CpuShares)
outputContDef.Command = aws.StringSlice(inputCfg.Command.Slice())
outputContDef.DnsSearchDomains = aws.StringSlice(inputCfg.DNSSearch.Slice())
outputContDef.DnsServers = aws.StringSlice(inputCfg.DNS.Slice())
outputContDef.DockerLabels = aws.StringMap(inputCfg.Labels.MapParts())
outputContDef.DockerSecurityOptions = aws.StringSlice(inputCfg.SecurityOpt)
outputContDef.EntryPoint = aws.StringSlice(inputCfg.Entrypoint.Slice())
outputContDef.Environment = environment
outputContDef.ExtraHosts = extraHosts
if inputCfg.Hostname != "" {
outputContDef.Hostname = aws.String(inputCfg.Hostname)
}
outputContDef.Image = aws.String(inputCfg.Image)
outputContDef.Links = aws.StringSlice(inputCfg.Links.Slice()) //TODO, read from external links
outputContDef.LogConfiguration = logConfig
outputContDef.Memory = aws.Int64(mem)
outputContDef.MountPoints = mountPoints
outputContDef.Privileged = aws.Bool(inputCfg.Privileged)
outputContDef.PortMappings = portMappings
outputContDef.ReadonlyRootFilesystem = aws.Bool(inputCfg.ReadOnly)
outputContDef.Ulimits = ulimits
if inputCfg.User != "" {
outputContDef.User = aws.String(inputCfg.User)
}
outputContDef.VolumesFrom = volumesFrom
if inputCfg.WorkingDir != "" {
outputContDef.WorkingDirectory = aws.String(inputCfg.WorkingDir)
}
return nil
}
// convertToContainerDef transforms each service in the compose yml
// to an equivalent container definition
func convertToContainerDef(context *project.Context, inputCfg *config.ServiceConfig,
volumes map[string]string, outputContDef *ecs.ContainerDefinition) error {
// setting memory
var mem int64
if inputCfg.MemLimit != 0 {
mem = int64(inputCfg.MemLimit) / kiB / kiB // convert bytes to MiB
}
if mem == 0 {
mem = defaultMemLimit
}
// convert environment variables
environment := convertToKeyValuePairs(context, inputCfg.Environment, *outputContDef.Name)
// convert port mappings
portMappings, err := convertToPortMappings(*outputContDef.Name, inputCfg.Ports)
if err != nil {
return err
}
// convert volumes from
volumesFrom, err := convertToVolumesFrom(inputCfg.VolumesFrom)
if err != nil {
return err
}
// convert mount points
mountPoints, err := convertToMountPoints(inputCfg.Volumes, volumes)
if err != nil {
return err
}
// convert extra hosts
extraHosts, err := convertToExtraHosts(inputCfg.ExtraHosts)
if err != nil {
return err
}
// convert log configuration
var logConfig *ecs.LogConfiguration
if inputCfg.Logging.Driver != "" {
logConfig = &ecs.LogConfiguration{
LogDriver: aws.String(inputCfg.Logging.Driver),
Options: aws.StringMap(inputCfg.Logging.Options),
}
}
// convert ulimits
ulimits, err := convertToULimits(inputCfg.Ulimits)
if err != nil {
return err
}
// populating container definition, offloading the validation to aws-sdk
outputContDef.Cpu = aws.Int64(int64(inputCfg.CPUShares))
outputContDef.Command = aws.StringSlice(inputCfg.Command)
outputContDef.DnsSearchDomains = aws.StringSlice(inputCfg.DNSSearch)
outputContDef.DnsServers = aws.StringSlice(inputCfg.DNS)
outputContDef.DockerLabels = aws.StringMap(inputCfg.Labels)
outputContDef.DockerSecurityOptions = aws.StringSlice(inputCfg.SecurityOpt)
outputContDef.EntryPoint = aws.StringSlice(inputCfg.Entrypoint)
outputContDef.Environment = environment
outputContDef.ExtraHosts = extraHosts
if inputCfg.Hostname != "" {
outputContDef.Hostname = aws.String(inputCfg.Hostname)
}
outputContDef.Image = aws.String(inputCfg.Image)
outputContDef.Links = aws.StringSlice(inputCfg.Links) //TODO, read from external links
outputContDef.LogConfiguration = logConfig
outputContDef.Memory = aws.Int64(mem)
outputContDef.MountPoints = mountPoints
outputContDef.Privileged = aws.Bool(inputCfg.Privileged)
outputContDef.PortMappings = portMappings
outputContDef.ReadonlyRootFilesystem = aws.Bool(inputCfg.ReadOnly)
outputContDef.Ulimits = ulimits
if inputCfg.User != "" {
outputContDef.User = aws.String(inputCfg.User)
}
outputContDef.VolumesFrom = volumesFrom
if inputCfg.WorkingDir != "" {
outputContDef.WorkingDirectory = aws.String(inputCfg.WorkingDir)
}
return nil
}