telegraf/plugins/inputs/docker/client.go

81 lines
2.7 KiB
Go
Raw Normal View History

package docker
import (
"context"
"crypto/tls"
"net/http"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/swarm"
docker "github.com/docker/docker/client"
"github.com/docker/go-connections/sockets"
)
var (
version string
defaultHeaders = map[string]string{"User-Agent": "engine-api-cli-1.0"}
)
type Client interface {
Info(ctx context.Context) (types.Info, error)
ContainerList(ctx context.Context, options types.ContainerListOptions) ([]types.Container, error)
ContainerStats(ctx context.Context, containerID string, stream bool) (types.ContainerStats, error)
ContainerInspect(ctx context.Context, containerID string) (types.ContainerJSON, error)
ServiceList(ctx context.Context, options types.ServiceListOptions) ([]swarm.Service, error)
TaskList(ctx context.Context, options types.TaskListOptions) ([]swarm.Task, error)
NodeList(ctx context.Context, options types.NodeListOptions) ([]swarm.Node, error)
}
func NewEnvClient() (Client, error) {
client, err := docker.NewEnvClient()
if err != nil {
return nil, err
}
return &SocketClient{client}, nil
}
func NewClient(host string, tlsConfig *tls.Config) (Client, error) {
proto, addr, _, err := docker.ParseHost(host)
if err != nil {
return nil, err
}
transport := &http.Transport{
TLSClientConfig: tlsConfig,
}
sockets.ConfigureTransport(transport, proto, addr)
httpClient := &http.Client{Transport: transport}
client, err := docker.NewClient(host, version, httpClient, defaultHeaders)
if err != nil {
return nil, err
}
return &SocketClient{client}, nil
}
type SocketClient struct {
client *docker.Client
}
func (c *SocketClient) Info(ctx context.Context) (types.Info, error) {
return c.client.Info(ctx)
}
func (c *SocketClient) ContainerList(ctx context.Context, options types.ContainerListOptions) ([]types.Container, error) {
return c.client.ContainerList(ctx, options)
}
func (c *SocketClient) ContainerStats(ctx context.Context, containerID string, stream bool) (types.ContainerStats, error) {
return c.client.ContainerStats(ctx, containerID, stream)
}
func (c *SocketClient) ContainerInspect(ctx context.Context, containerID string) (types.ContainerJSON, error) {
return c.client.ContainerInspect(ctx, containerID)
}
func (c *SocketClient) ServiceList(ctx context.Context, options types.ServiceListOptions) ([]swarm.Service, error) {
return c.client.ServiceList(ctx, options)
}
func (c *SocketClient) TaskList(ctx context.Context, options types.TaskListOptions) ([]swarm.Task, error) {
return c.client.TaskList(ctx, options)
}
func (c *SocketClient) NodeList(ctx context.Context, options types.NodeListOptions) ([]swarm.Node, error) {
return c.client.NodeList(ctx, options)
}