telegraf/plugins/inputs/docker/fake_client.go

package docker

import (
	"context"
	"io/ioutil"
	"strings"

	"github.com/docker/docker/api/types"
	"github.com/docker/docker/api/types/registry"
)

type FakeDockerClient struct {
}

func (d FakeDockerClient) Info(ctx context.Context) (types.Info, error) {
	env := types.Info{
		Containers:         108,
		ContainersRunning:  98,
		ContainersStopped:  6,
		ContainersPaused:   3,
		OomKillDisable:     false,
		SystemTime:         "2016-02-24T00:55:09.15073105-05:00",
		NEventsListener:    0,
		ID:                 "5WQQ:TFWR:FDNG:OKQ3:37Y4:FJWG:QIKK:623T:R3ME:QTKB:A7F7:OLHD",
		Debug:              false,
		LoggingDriver:      "json-file",
		KernelVersion:      "4.3.0-1-amd64",
		IndexServerAddress: "https://index.docker.io/v1/",
		MemTotal:           3840757760,
		Images:             199,
		CPUCfsQuota:        true,
		Name:               "absol",
		SwapLimit:          false,
		IPv4Forwarding:     true,
		ExperimentalBuild:  false,
		CPUCfsPeriod:       true,
		RegistryConfig: &registry.ServiceConfig{
			IndexConfigs: map[string]*registry.IndexInfo{
				"docker.io": {
					Name:     "docker.io",
					Mirrors:  []string{},
					Official: true,
					Secure:   true,
				},
			}, InsecureRegistryCIDRs: []*registry.NetIPNet{{IP: []byte{127, 0, 0, 0}, Mask: []byte{255, 0, 0, 0}}}, Mirrors: []string{}},
		OperatingSystem:   "Linux Mint LMDE (containerized)",
		BridgeNfIptables:  true,
		HTTPSProxy:        "",
		Labels:            []string{},
		MemoryLimit:       false,
		DriverStatus:      [][2]string{{"Pool Name", "docker-8:1-1182287-pool"}, {"Pool Blocksize", "65.54 kB"}, {"Backing Filesystem", "extfs"}, {"Data file", "/dev/loop0"}, {"Metadata file", "/dev/loop1"}, {"Data Space Used", "17.3 GB"}, {"Data Space Total", "107.4 GB"}, {"Data Space Available", "36.53 GB"}, {"Metadata Space Used", "20.97 MB"}, {"Metadata Space Total", "2.147 GB"}, {"Metadata Space Available", "2.127 GB"}, {"Udev Sync Supported", "true"}, {"Deferred Removal Enabled", "false"}, {"Data loop file", "/var/lib/docker/devicemapper/devicemapper/data"}, {"Metadata loop file", "/var/lib/docker/devicemapper/devicemapper/metadata"}, {"Library Version", "1.02.115 (2016-01-25)"}},
		NFd:               19,
		HTTPProxy:         "",
		Driver:            "devicemapper",
		NGoroutines:       39,
		NCPU:              4,
		DockerRootDir:     "/var/lib/docker",
		NoProxy:           "",
		BridgeNfIP6tables: true,
	}
	return env, nil
}

func (d FakeDockerClient) ContainerList(octx context.Context, options types.ContainerListOptions) ([]types.Container, error) {
	container1 := types.Container{
		ID:      "e2173b9478a6ae55e237d4d74f8bbb753f0817192b5081334dc78476296b7dfb",
		Names:   []string{"/etcd"},
		Image:   "quay.io/coreos/etcd:v2.2.2",
		Command: "/etcd -name etcd0 -advertise-client-urls http://localhost:2379 -listen-client-urls http://0.0.0.0:2379",
		Created: 1455941930,
		Status:  "Up 4 hours",
		Ports: []types.Port{
			types.Port{
				PrivatePort: 7001,
				PublicPort:  0,
				Type:        "tcp",
			},
			types.Port{
				PrivatePort: 4001,
				PublicPort:  0,
				Type:        "tcp",
			},
			types.Port{
				PrivatePort: 2380,
				PublicPort:  0,
				Type:        "tcp",
			},
			types.Port{
				PrivatePort: 2379,
				PublicPort:  2379,
				Type:        "tcp",
				IP:          "0.0.0.0",
			},
		},
		SizeRw:     0,
		SizeRootFs: 0,
	}
	container2 := types.Container{
		ID:      "b7dfbb9478a6ae55e237d4d74f8bbb753f0817192b5081334dc78476296e2173",
		Names:   []string{"/etcd2"},
		Image:   "quay.io:4443/coreos/etcd:v2.2.2",
		Command: "/etcd -name etcd2 -advertise-client-urls http://localhost:2379 -listen-client-urls http://0.0.0.0:2379",
		Created: 1455941933,
		Status:  "Up 4 hours",
		Ports: []types.Port{
			types.Port{
				PrivatePort: 7002,
				PublicPort:  0,
				Type:        "tcp",
			},
			types.Port{
				PrivatePort: 4002,
				PublicPort:  0,
				Type:        "tcp",
			},
			types.Port{
				PrivatePort: 2381,
				PublicPort:  0,
				Type:        "tcp",
			},
			types.Port{
				PrivatePort: 2382,
				PublicPort:  2382,
				Type:        "tcp",
				IP:          "0.0.0.0",
			},
		},
		SizeRw:     0,
		SizeRootFs: 0,
	}

	containers := []types.Container{container1, container2}
	return containers, nil

	//#{e6a96c84ca91a5258b7cb752579fb68826b68b49ff957487695cd4d13c343b44 titilambert/snmpsim /bin/sh -c 'snmpsimd --agent-udpv4-endpoint=0.0.0.0:31161 --process-user=root --process-group=user' 1455724831 Up 4 hours [{31161 31161 udp 0.0.0.0}] 0 0 [/snmp] map[]}]2016/02/24 01:05:01 Gathered metrics, (3s interval), from 1 inputs in 1.233836656s
}

func (d FakeDockerClient) ContainerStats(ctx context.Context, containerID string, stream bool) (types.ContainerStats, error) {
	var stat types.ContainerStats
	jsonStat := `{"read":"2016-02-24T11:42:27.472459608-05:00","memory_stats":{"stats":{},"limit":18935443456},"blkio_stats":{"io_service_bytes_recursive":[{"major":252,"minor":1,"op":"Read","value":753664},{"major":252,"minor":1,"op":"Write"},{"major":252,"minor":1,"op":"Sync"},{"major":252,"minor":1,"op":"Async","value":753664},{"major":252,"minor":1,"op":"Total","value":753664}],"io_serviced_recursive":[{"major":252,"minor":1,"op":"Read","value":26},{"major":252,"minor":1,"op":"Write"},{"major":252,"minor":1,"op":"Sync"},{"major":252,"minor":1,"op":"Async","value":26},{"major":252,"minor":1,"op":"Total","value":26}]},"cpu_stats":{"cpu_usage":{"percpu_usage":[17871,4959158,1646137,1231652,11829401,244656,369972,0],"usage_in_usermode":10000000,"total_usage":20298847},"system_cpu_usage":24052607520000000,"throttling_data":{}},"precpu_stats":{"cpu_usage":{"percpu_usage":[17871,4959158,1646137,1231652,11829401,244656,369972,0],"usage_in_usermode":10000000,"total_usage":20298847},"system_cpu_usage":24052599550000000,"throttling_data":{}}}`
	stat.Body = ioutil.NopCloser(strings.NewReader(jsonStat))
	return stat, nil
}