moby/client/container_stats.go
Sebastiaan van Stijn 2da589d454
client: return explicit "nil" for no errors, and remove nil check
- remove some intermediate variables
- explicitly return "nil" if there's no error
- remove redundant check for response-headers being nil

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2023-07-17 12:24:28 +02:00

46 lines
1.3 KiB
Go

package client // import "github.com/docker/docker/client"
import (
"context"
"net/url"
"github.com/docker/docker/api/types"
)
// ContainerStats returns near realtime stats for a given container.
// It's up to the caller to close the io.ReadCloser returned.
func (cli *Client) ContainerStats(ctx context.Context, containerID string, stream bool) (types.ContainerStats, error) {
query := url.Values{}
query.Set("stream", "0")
if stream {
query.Set("stream", "1")
}
resp, err := cli.get(ctx, "/containers/"+containerID+"/stats", query, nil)
if err != nil {
return types.ContainerStats{}, err
}
return types.ContainerStats{
Body: resp.body,
OSType: getDockerOS(resp.header.Get("Server")),
}, nil
}
// ContainerStatsOneShot gets a single stat entry from a container.
// It differs from `ContainerStats` in that the API should not wait to prime the stats
func (cli *Client) ContainerStatsOneShot(ctx context.Context, containerID string) (types.ContainerStats, error) {
query := url.Values{}
query.Set("stream", "0")
query.Set("one-shot", "1")
resp, err := cli.get(ctx, "/containers/"+containerID+"/stats", query, nil)
if err != nil {
return types.ContainerStats{}, err
}
return types.ContainerStats{
Body: resp.body,
OSType: getDockerOS(resp.header.Get("Server")),
}, nil
}