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73 lines
2.0 KiB
Go
73 lines
2.0 KiB
Go
package project
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import (
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"strings"
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"github.com/docker/engine-api/types/container"
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)
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// DefaultDependentServices return the dependent services (as an array of ServiceRelationship)
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// for the specified project and service. It looks for : links, volumesFrom, net and ipc configuration.
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func DefaultDependentServices(p *Project, s Service) []ServiceRelationship {
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config := s.Config()
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if config == nil {
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return []ServiceRelationship{}
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}
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result := []ServiceRelationship{}
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for _, link := range config.Links {
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result = append(result, NewServiceRelationship(link, RelTypeLink))
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}
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for _, volumesFrom := range config.VolumesFrom {
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result = append(result, NewServiceRelationship(volumesFrom, RelTypeVolumesFrom))
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}
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for _, dependsOn := range config.DependsOn {
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result = append(result, NewServiceRelationship(dependsOn, RelTypeDependsOn))
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}
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result = appendNs(p, result, s.Config().NetworkMode, RelTypeNetNamespace)
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result = appendNs(p, result, s.Config().Ipc, RelTypeIpcNamespace)
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return result
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}
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func appendNs(p *Project, rels []ServiceRelationship, conf string, relType ServiceRelationshipType) []ServiceRelationship {
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service := GetContainerFromIpcLikeConfig(p, conf)
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if service != "" {
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rels = append(rels, NewServiceRelationship(service, relType))
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}
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return rels
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}
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// NameAlias returns the name and alias based on the specified string.
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// If the name contains a colon (like name:alias) it will split it, otherwise
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// it will return the specified name as name and alias.
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func NameAlias(name string) (string, string) {
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parts := strings.SplitN(name, ":", 2)
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if len(parts) == 2 {
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return parts[0], parts[1]
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}
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return parts[0], parts[0]
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}
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// GetContainerFromIpcLikeConfig returns name of the service that shares the IPC
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// namespace with the specified service.
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func GetContainerFromIpcLikeConfig(p *Project, conf string) string {
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ipc := container.IpcMode(conf)
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if !ipc.IsContainer() {
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return ""
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}
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name := ipc.Container()
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if name == "" {
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return ""
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}
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if p.ServiceConfigs.Has(name) {
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return name
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}
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return ""
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}
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