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// Copyright 2015 go-dockerclient authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package docker
import (
"encoding/json"
"strings"
)
// Version returns version information about the docker server.
//
// See https://goo.gl/ND9R8L for more details.
func (c *Client) Version() (*Env, error) {
resp, err := c.do("GET", "/version", doOptions{})
if err != nil {
return nil, err
}
defer resp.Body.Close()
var env Env
if err := env.Decode(resp.Body); err != nil {
return nil, err
}
return &env, nil
}
// DockerInfo contains information about the Docker server
//
// See https://goo.gl/bHUoz9 for more details.
type DockerInfo struct {
ID string
Containers int
ContainersRunning int
ContainersPaused int
ContainersStopped int
Images int
Driver string
DriverStatus [][2]string
SystemStatus [][2]string
Plugins PluginsInfo
MemoryLimit bool
SwapLimit bool
KernelMemory bool
CPUCfsPeriod bool `json:"CpuCfsPeriod"`
CPUCfsQuota bool `json:"CpuCfsQuota"`
CPUShares bool
CPUSet bool
IPv4Forwarding bool
BridgeNfIptables bool
BridgeNfIP6tables bool `json:"BridgeNfIp6tables"`
Debug bool
NFd int
OomKillDisable bool
NGoroutines int
SystemTime string
ExecutionDriver string
LoggingDriver string
CgroupDriver string
NEventsListener int
KernelVersion string
OperatingSystem string
OSType string
Architecture string
IndexServerAddress string
NCPU int
MemTotal int64
DockerRootDir string
HTTPProxy string `json:"HttpProxy"`
HTTPSProxy string `json:"HttpsProxy"`
NoProxy string
Name string
Labels []string
ExperimentalBuild bool
ServerVersion string
ClusterStore string
ClusterAdvertise string
}
// PluginsInfo is a struct with the plugins registered with the docker daemon
//
// for more information, see: https://goo.gl/bHUoz9
type PluginsInfo struct {
// List of Volume plugins registered
Volume []string
// List of Network plugins registered
Network []string
// List of Authorization plugins registered
Authorization []string
}
// Info returns system-wide information about the Docker server.
//
// See https://goo.gl/ElTHi2 for more details.
func (c *Client) Info() (*DockerInfo, error) {
resp, err := c.do("GET", "/info", doOptions{})
if err != nil {
return nil, err
}
defer resp.Body.Close()
var info DockerInfo
if err := json.NewDecoder(resp.Body).Decode(&info); err != nil {
return nil, err
}
return &info, nil
}
// ParseRepositoryTag gets the name of the repository and returns it splitted
// in two parts: the repository and the tag.
//
// Some examples:
//
// localhost.localdomain:5000/samalba/hipache:latest -> localhost.localdomain:5000/samalba/hipache, latest
// localhost.localdomain:5000/samalba/hipache -> localhost.localdomain:5000/samalba/hipache, ""
func ParseRepositoryTag(repoTag string) (repository string, tag string) {
n := strings.LastIndex(repoTag, ":")
if n < 0 {
return repoTag, ""
}
if tag := repoTag[n+1:]; !strings.Contains(tag, "/") {
return repoTag[:n], tag
}
return repoTag, ""
}
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