moby/client/container_exec.go
Sebastiaan van Stijn 83477ce8d0
client: remove custom "headers" type, and use "http.Header" instead
Use http.Header, which is more descriptive on intent, and we're already
importing the package in the client. Removing the "header" type also fixes
various locations where the type was shadowed by local variables named
"headers".

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2023-07-11 13:14:28 +02:00

66 lines
2.3 KiB
Go

package client // import "github.com/docker/docker/client"
import (
"context"
"encoding/json"
"net/http"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/versions"
)
// ContainerExecCreate creates a new exec configuration to run an exec process.
func (cli *Client) ContainerExecCreate(ctx context.Context, container string, config types.ExecConfig) (types.IDResponse, error) {
var response types.IDResponse
if err := cli.NewVersionError("1.25", "env"); len(config.Env) != 0 && err != nil {
return response, err
}
if versions.LessThan(cli.ClientVersion(), "1.42") {
config.ConsoleSize = nil
}
resp, err := cli.post(ctx, "/containers/"+container+"/exec", nil, config, nil)
defer ensureReaderClosed(resp)
if err != nil {
return response, err
}
err = json.NewDecoder(resp.body).Decode(&response)
return response, err
}
// ContainerExecStart starts an exec process already created in the docker host.
func (cli *Client) ContainerExecStart(ctx context.Context, execID string, config types.ExecStartCheck) error {
if versions.LessThan(cli.ClientVersion(), "1.42") {
config.ConsoleSize = nil
}
resp, err := cli.post(ctx, "/exec/"+execID+"/start", nil, config, nil)
ensureReaderClosed(resp)
return err
}
// ContainerExecAttach attaches a connection to an exec process in the server.
// It returns a types.HijackedConnection with the hijacked connection
// and the a reader to get output. It's up to the called to close
// the hijacked connection by calling types.HijackedResponse.Close.
func (cli *Client) ContainerExecAttach(ctx context.Context, execID string, config types.ExecStartCheck) (types.HijackedResponse, error) {
if versions.LessThan(cli.ClientVersion(), "1.42") {
config.ConsoleSize = nil
}
return cli.postHijacked(ctx, "/exec/"+execID+"/start", nil, config, http.Header{
"Content-Type": {"application/json"},
})
}
// ContainerExecInspect returns information about a specific exec process on the docker host.
func (cli *Client) ContainerExecInspect(ctx context.Context, execID string) (types.ContainerExecInspect, error) {
var response types.ContainerExecInspect
resp, err := cli.get(ctx, "/exec/"+execID+"/json", nil, nil)
if err != nil {
return response, err
}
err = json.NewDecoder(resp.body).Decode(&response)
ensureReaderClosed(resp)
return response, err
}