45 lines
1.4 KiB
Go
45 lines
1.4 KiB
Go
package docker
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import (
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"github.com/docker/engine-api/types/container"
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"github.com/docker/libcompose/project"
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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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// It uses default project implementation and append some docker specific ones.
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func DefaultDependentServices(p *project.Project, s project.Service) []project.ServiceRelationship {
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result := project.DefaultDependentServices(p, s)
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result = appendNs(p, result, s.Config().NetworkMode, project.RelTypeNetNamespace)
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result = appendNs(p, result, s.Config().Ipc, project.RelTypeIpcNamespace)
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return result
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}
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func appendNs(p *project.Project, rels []project.ServiceRelationship, conf string, relType project.ServiceRelationshipType) []project.ServiceRelationship {
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service := GetContainerFromIpcLikeConfig(p, conf)
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if service != "" {
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rels = append(rels, project.NewServiceRelationship(service, relType))
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}
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return rels
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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.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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