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containers.go
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containers.go
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package docker
import (
"context"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/api/types/filters"
)
type Status string
const (
StatusUnknown Status = "unknown"
StatusStopped Status = "stopped"
StatusRunning Status = "running"
)
type Container struct {
Name string
ID string
Status Status
}
func GetContainersRaw(ctx context.Context) (containers []types.Container, err error) {
return cli.ContainerList(ctx, container.ListOptions{})
}
func makeContainer(dockerContainer types.Container) *Container {
status := StatusUnknown
if dockerContainer.State == "running" {
status = StatusRunning
}
return &Container{
Name: dockerContainer.Names[0],
ID: dockerContainer.ID,
Status: status,
}
}
func GetContainers(ctx context.Context) (containers []*Container, err error) {
dockerContainers, err := cli.ContainerList(ctx, container.ListOptions{})
if err != nil {
return nil, err
}
containers = make([]*Container, 0, len(dockerContainers))
for _, dockerContainer := range dockerContainers {
containers = append(containers, makeContainer(dockerContainer))
}
return containers, nil
}
func GetContainer(ctx context.Context, name string) (result *Container, err error) {
args := filters.NewArgs()
args.Add("name", "/"+name)
dockerContainers, err := cli.ContainerList(ctx, container.ListOptions{
Filters: args,
})
if err != nil {
return nil, err
}
return makeContainer(dockerContainers[0]), nil
}