github.com/camronlevanger/libcompose@v0.4.1-0.20180423130544-6bb86d53fa21/project/project_ps.go (about)

     1  package project
     2  
     3  import "golang.org/x/net/context"
     4  
     5  // Ps list containers for the specified services.
     6  func (p *Project) Ps(ctx context.Context, services ...string) (InfoSet, error) {
     7  	allInfo := InfoSet{}
     8  
     9  	if len(services) == 0 {
    10  		services = p.ServiceConfigs.Keys()
    11  	}
    12  
    13  	for _, name := range services {
    14  
    15  		service, err := p.CreateService(name)
    16  		if err != nil {
    17  			return nil, err
    18  		}
    19  
    20  		info, err := service.Info(ctx)
    21  		if err != nil {
    22  			return nil, err
    23  		}
    24  
    25  		allInfo = append(allInfo, info...)
    26  	}
    27  	return allInfo, nil
    28  }