/
container_inspect_test.go
755 lines (735 loc) · 26.8 KB
/
container_inspect_test.go
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package docker
import (
"context"
"encoding/json"
"errors"
"fmt"
"net/http"
"net/url"
"reflect"
"testing"
"time"
)
func TestInspectContainer(t *testing.T) {
t.Parallel()
jsonContainer := `{
"Id": "4fa6e0f0c6786287e131c3852c58a2e01cc697a68231826813597e4994f1d6e2",
"AppArmorProfile": "Profile",
"Created": "2013-05-07T14:51:42.087658+02:00",
"Path": "date",
"Args": [],
"Config": {
"Hostname": "4fa6e0f0c678",
"User": "",
"Memory": 17179869184,
"MemorySwap": 34359738368,
"AttachStdin": false,
"AttachStdout": true,
"AttachStderr": true,
"PortSpecs": null,
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": null,
"Cmd": [
"date"
],
"Image": "base",
"Volumes": {},
"VolumesFrom": "",
"SecurityOpt": [
"label:user:USER"
],
"Ulimits": [
{ "Name": "nofile", "Soft": 1024, "Hard": 2048 }
],
"Shell": [
"/bin/sh", "-c"
]
},
"State": {
"Running": false,
"Pid": 0,
"ExitCode": 0,
"StartedAt": "2013-05-07T14:51:42.087658+02:00",
"Ghost": false
},
"Node": {
"ID": "4I4E:QR4I:Z733:QEZK:5X44:Q4T7:W2DD:JRDY:KB2O:PODO:Z5SR:XRB6",
"IP": "192.168.99.105",
"Addra": "192.168.99.105:2376",
"Name": "node-01",
"Cpus": 4,
"Memory": 1048436736,
"Labels": {
"executiondriver": "native-0.2",
"kernelversion": "3.18.5-tinycore64",
"operatingsystem": "Boot2Docker 1.5.0 (TCL 5.4); master : a66bce5 - Tue Feb 10 23:31:27 UTC 2015",
"provider": "virtualbox",
"storagedriver": "aufs"
}
},
"Image": "b750fe79269d2ec9a3c593ef05b4332b1d1a02a62b4accb2c21d589ff2f5f2dc",
"NetworkSettings": {
"IpAddress": "",
"IpPrefixLen": 0,
"Gateway": "",
"Bridge": "",
"PortMapping": null
},
"SysInitPath": "/home/kitty/go/src/github.com/dotcloud/docker/bin/docker",
"ResolvConfPath": "/etc/resolv.conf",
"Volumes": {},
"HostConfig": {
"Binds": null,
"ContainerIDFile": "",
"LxcConf": [],
"Privileged": false,
"PortBindings": {
"80/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "49153"
}
]
},
"Links": null,
"PublishAllPorts": false,
"CgroupParent": "/mesos",
"Memory": 17179869184,
"MemorySwap": 34359738368,
"GroupAdd": ["fake", "12345"],
"OomScoreAdj": 642
}
}`
var expected Container
err := json.Unmarshal([]byte(jsonContainer), &expected)
if err != nil {
t.Fatal(err)
}
fakeRT := &FakeRoundTripper{message: jsonContainer, status: http.StatusOK}
client := newTestClient(fakeRT)
id := "4fa6e0f0c678"
container, err := client.InspectContainer(id)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(*container, expected) {
t.Errorf("InspectContainer(%q): Expected %#v. Got %#v.", id, expected, container)
}
expectedURL, _ := url.Parse(client.getURL("/containers/4fa6e0f0c678/json"))
if gotPath := fakeRT.requests[0].URL.Path; gotPath != expectedURL.Path {
t.Errorf("InspectContainer(%q): Wrong path in request. Want %q. Got %q.", id, expectedURL.Path, gotPath)
}
}
func TestInspectContainerWithContext(t *testing.T) {
t.Parallel()
jsonContainer := `{
"Id": "4fa6e0f0c6786287e131c3852c58a2e01cc697a68231826813597e4994f1d6e2",
"AppArmorProfile": "Profile",
"Created": "2013-05-07T14:51:42.087658+02:00",
"Path": "date",
"Args": [],
"Config": {
"Hostname": "4fa6e0f0c678",
"User": "",
"Memory": 17179869184,
"MemorySwap": 34359738368,
"AttachStdin": false,
"AttachStdout": true,
"AttachStderr": true,
"PortSpecs": null,
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": null,
"Cmd": [
"date"
],
"Image": "base",
"Volumes": {},
"VolumesFrom": "",
"SecurityOpt": [
"label:user:USER"
],
"Ulimits": [
{ "Name": "nofile", "Soft": 1024, "Hard": 2048 }
]
},
"State": {
"Running": false,
"Pid": 0,
"ExitCode": 0,
"StartedAt": "2013-05-07T14:51:42.087658+02:00",
"Ghost": false
},
"Node": {
"ID": "4I4E:QR4I:Z733:QEZK:5X44:Q4T7:W2DD:JRDY:KB2O:PODO:Z5SR:XRB6",
"IP": "192.168.99.105",
"Addra": "192.168.99.105:2376",
"Name": "node-01",
"Cpus": 4,
"Memory": 1048436736,
"Labels": {
"executiondriver": "native-0.2",
"kernelversion": "3.18.5-tinycore64",
"operatingsystem": "Boot2Docker 1.5.0 (TCL 5.4); master : a66bce5 - Tue Feb 10 23:31:27 UTC 2015",
"provider": "virtualbox",
"storagedriver": "aufs"
}
},
"Image": "b750fe79269d2ec9a3c593ef05b4332b1d1a02a62b4accb2c21d589ff2f5f2dc",
"NetworkSettings": {
"IpAddress": "",
"IpPrefixLen": 0,
"Gateway": "",
"Bridge": "",
"PortMapping": null
},
"SysInitPath": "/home/kitty/go/src/github.com/dotcloud/docker/bin/docker",
"ResolvConfPath": "/etc/resolv.conf",
"Volumes": {},
"HostConfig": {
"Binds": null,
"BlkioDeviceReadIOps": [
{
"Path": "/dev/sdb",
"Rate": 100
}
],
"BlkioDeviceWriteBps": [
{
"Path": "/dev/sdb",
"Rate": 5000
}
],
"ContainerIDFile": "",
"LxcConf": [],
"Privileged": false,
"PortBindings": {
"80/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "49153"
}
]
},
"Links": null,
"PublishAllPorts": false,
"CgroupParent": "/mesos",
"Memory": 17179869184,
"MemorySwap": 34359738368,
"GroupAdd": ["fake", "12345"],
"OomScoreAdj": 642
}
}`
var expected Container
err := json.Unmarshal([]byte(jsonContainer), &expected)
if err != nil {
t.Fatal(err)
}
fakeRT := &FakeRoundTripper{message: jsonContainer, status: http.StatusOK}
client := newTestClient(fakeRT)
id := "4fa6e0f0c678"
ctx, cancel := context.WithTimeout(context.TODO(), 1*time.Second)
defer cancel()
inspectError := make(chan error)
// Invoke InspectContainer in a goroutine. The response is sent to the 'inspectError'
// channel.
go func() {
container, err := client.InspectContainer(id)
if err != nil {
inspectError <- err
return
}
if !reflect.DeepEqual(*container, expected) {
inspectError <- fmt.Errorf("inspectContainer(%q): Expected %#v. Got %#v", id, expected, container)
return
}
expectedURL, _ := url.Parse(client.getURL("/containers/4fa6e0f0c678/json"))
if gotPath := fakeRT.requests[0].URL.Path; gotPath != expectedURL.Path {
inspectError <- fmt.Errorf("inspectContainer(%q): Wrong path in request. Want %q. Got %q", id, expectedURL.Path, gotPath)
return
}
// No errors to tbe reported. Send 'nil'
inspectError <- nil
}()
// Wait for either the inspect response or for the context.
select {
case err := <-inspectError:
if err != nil {
t.Fatalf("Error inspecting container with context: %v", err)
}
case <-ctx.Done():
// Context was canceled unexpectedly. Report the same.
t.Fatalf("Context canceled when waiting for inspect container response: %v", ctx.Err())
}
}
func TestInspectContainerWithOptions(t *testing.T) {
t.Parallel()
jsonContainer := `{
"Id": "4fa6e0f0c6786287e131c3852c58a2e01cc697a68231826813597e4994f1d6e2",
"AppArmorProfile": "Profile",
"Created": "2013-05-07T14:51:42.087658+02:00",
"Path": "date",
"Args": [],
"Config": {
"Hostname": "4fa6e0f0c678",
"User": "",
"Memory": 17179869184,
"MemorySwap": 34359738368,
"AttachStdin": false,
"AttachStdout": true,
"AttachStderr": true,
"PortSpecs": null,
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": null,
"Cmd": [
"date"
],
"Image": "base",
"Volumes": {},
"VolumesFrom": "",
"SecurityOpt": [
"label:user:USER"
],
"Ulimits": [
{ "Name": "nofile", "Soft": 1024, "Hard": 2048 }
],
"Shell": [
"/bin/sh", "-c"
]
},
"State": {
"Running": false,
"Pid": 0,
"ExitCode": 0,
"StartedAt": "2013-05-07T14:51:42.087658+02:00",
"Ghost": false
},
"Node": {
"ID": "4I4E:QR4I:Z733:QEZK:5X44:Q4T7:W2DD:JRDY:KB2O:PODO:Z5SR:XRB6",
"IP": "192.168.99.105",
"Addra": "192.168.99.105:2376",
"Name": "node-01",
"Cpus": 4,
"Memory": 1048436736,
"Labels": {
"executiondriver": "native-0.2",
"kernelversion": "3.18.5-tinycore64",
"operatingsystem": "Boot2Docker 1.5.0 (TCL 5.4); master : a66bce5 - Tue Feb 10 23:31:27 UTC 2015",
"provider": "virtualbox",
"storagedriver": "aufs"
}
},
"Image": "b750fe79269d2ec9a3c593ef05b4332b1d1a02a62b4accb2c21d589ff2f5f2dc",
"NetworkSettings": {
"IpAddress": "",
"IpPrefixLen": 0,
"Gateway": "",
"Bridge": "",
"PortMapping": null
},
"SysInitPath": "/home/kitty/go/src/github.com/dotcloud/docker/bin/docker",
"ResolvConfPath": "/etc/resolv.conf",
"Volumes": {},
"HostConfig": {
"Binds": null,
"ContainerIDFile": "",
"LxcConf": [],
"Privileged": false,
"PortBindings": {
"80/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "49153"
}
]
},
"Links": null,
"PublishAllPorts": false,
"CgroupParent": "/mesos",
"Memory": 17179869184,
"MemorySwap": 34359738368,
"GroupAdd": ["fake", "12345"],
"OomScoreAdj": 642,
"SizeRw": 3,
"SizeRootFs": 5552693
}
}`
var expected Container
err := json.Unmarshal([]byte(jsonContainer), &expected)
if err != nil {
t.Fatal(err)
}
fakeRT := &FakeRoundTripper{message: jsonContainer, status: http.StatusOK}
client := newTestClient(fakeRT)
const id = "4fa6e0f0c678"
container, err := client.InspectContainerWithOptions(InspectContainerOptions{
ID: id,
Size: true,
})
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(*container, expected) {
t.Errorf("InspectContainer(%q): Expected %#v. Got %#v.", id, expected, container)
}
expectedURL, _ := url.Parse(client.getURL("/containers/4fa6e0f0c678/json?size=true"))
if gotPath := fakeRT.requests[0].URL.Path; gotPath != expectedURL.Path {
t.Errorf("InspectContainer(%q): Wrong path in request. Want %q. Got %q.", id, expectedURL.Path, gotPath)
}
}
func TestInspectContainerNetwork(t *testing.T) {
t.Parallel()
jsonContainer := `{
"Id": "81e1bbe20b5508349e1c804eb08b7b6ca8366751dbea9f578b3ea0773fa66c1c",
"Created": "2015-11-12T14:54:04.791485659Z",
"Path": "consul-template",
"Args": [
"-config=/tmp/haproxy.json",
"-consul=192.168.99.120:8500"
],
"State": {
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 3196,
"ExitCode": 0,
"Error": "",
"StartedAt": "2015-11-12T14:54:05.026747471Z",
"FinishedAt": "0001-01-01T00:00:00Z"
},
"Image": "4921c5917fc117df3dec32f4c1976635dc6c56ccd3336fe1db3477f950e78bf7",
"ResolvConfPath": "/mnt/sda1/var/lib/docker/containers/81e1bbe20b5508349e1c804eb08b7b6ca8366751dbea9f578b3ea0773fa66c1c/resolv.conf",
"HostnamePath": "/mnt/sda1/var/lib/docker/containers/81e1bbe20b5508349e1c804eb08b7b6ca8366751dbea9f578b3ea0773fa66c1c/hostname",
"HostsPath": "/mnt/sda1/var/lib/docker/containers/81e1bbe20b5508349e1c804eb08b7b6ca8366751dbea9f578b3ea0773fa66c1c/hosts",
"LogPath": "/mnt/sda1/var/lib/docker/containers/81e1bbe20b5508349e1c804eb08b7b6ca8366751dbea9f578b3ea0773fa66c1c/81e1bbe20b5508349e1c804eb08b7b6ca8366751dbea9f578b3ea0773fa66c1c-json.log",
"Node": {
"ID": "AUIB:LFOT:3LSF:SCFS:OYDQ:NLXD:JZNE:4INI:3DRC:ZFBB:GWCY:DWJK",
"IP": "192.168.99.121",
"Addr": "192.168.99.121:2376",
"Name": "swl-demo1",
"Cpus": 1,
"Memory": 2099945472,
"Labels": {
"executiondriver": "native-0.2",
"kernelversion": "4.1.12-boot2docker",
"operatingsystem": "Boot2Docker 1.9.0 (TCL 6.4); master : 16e4a2a - Tue Nov 3 19:49:22 UTC 2015",
"provider": "virtualbox",
"storagedriver": "aufs"
}
},
"Name": "/docker-proxy.swl-demo1",
"RestartCount": 0,
"Driver": "aufs",
"ExecDriver": "native-0.2",
"MountLabel": "",
"ProcessLabel": "",
"AppArmorProfile": "",
"ExecIDs": null,
"HostConfig": {
"Binds": null,
"ContainerIDFile": "",
"LxcConf": [],
"Memory": 0,
"MemoryReservation": 0,
"MemorySwap": 0,
"KernelMemory": 0,
"CpuShares": 0,
"CpuPeriod": 0,
"CpusetCpus": "",
"CpusetMems": "",
"CpuQuota": 0,
"BlkioWeight": 0,
"OomKillDisable": false,
"MemorySwappiness": -1,
"Privileged": false,
"PortBindings": {
"443/tcp": [
{
"HostIp": "",
"HostPort": "443"
}
]
},
"Links": null,
"PublishAllPorts": false,
"Dns": null,
"DnsOptions": null,
"DnsSearch": null,
"ExtraHosts": null,
"VolumesFrom": null,
"Devices": [],
"NetworkMode": "swl-net",
"IpcMode": "",
"PidMode": "",
"UTSMode": "",
"CapAdd": null,
"CapDrop": null,
"GroupAdd": null,
"RestartPolicy": {
"Name": "no",
"MaximumRetryCount": 0
},
"SecurityOpt": null,
"ReadonlyRootfs": false,
"Ulimits": null,
"LogConfig": {
"Type": "json-file",
"Config": {}
},
"CgroupParent": "",
"ConsoleSize": [
0,
0
],
"VolumeDriver": ""
},
"GraphDriver": {
"Name": "aufs",
"Data": null
},
"Mounts": [],
"Config": {
"Hostname": "81e1bbe20b55",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": false,
"AttachStderr": false,
"ExposedPorts": {
"443/tcp": {}
},
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": [
"DOMAIN=local.auto",
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"CONSUL_TEMPLATE_VERSION=0.11.1"
],
"Cmd": [
"-consul=192.168.99.120:8500"
],
"Image": "docker-proxy:latest",
"Volumes": null,
"WorkingDir": "",
"Entrypoint": [
"consul-template",
"-config=/tmp/haproxy.json"
],
"OnBuild": null,
"Labels": {},
"StopSignal": "SIGTERM"
},
"NetworkSettings": {
"Bridge": "",
"SandboxID": "c6b903dc5c1a96113a22dbc44709e30194079bd2d262eea1eb4f38d85821f6e1",
"HairpinMode": false,
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"Ports": {
"443/tcp": [
{
"HostIp": "192.168.99.121",
"HostPort": "443"
}
]
},
"SandboxKey": "/var/run/docker/netns/c6b903dc5c1a",
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"EndpointID": "",
"Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"IPAddress": "",
"IPPrefixLen": 0,
"IPv6Gateway": "",
"MacAddress": "",
"Networks": {
"swl-net": {
"Aliases": [
"testalias",
"81e1bbe20b55"
],
"NetworkID": "7ea29fc1412292a2d7bba362f9253545fecdfa8ce9a6e37dd10ba8bee7129812",
"EndpointID": "683e3092275782a53c3b0968cc7e3a10f23264022ded9cb20490902f96fc5981",
"Gateway": "",
"IPAddress": "10.0.0.3",
"IPPrefixLen": 24,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:0a:00:00:03"
}
}
}
}`
fakeRT := &FakeRoundTripper{message: jsonContainer, status: http.StatusOK}
client := newTestClient(fakeRT)
id := "81e1bbe20b55"
expIP := "10.0.0.3"
expNetworkID := "7ea29fc1412292a2d7bba362f9253545fecdfa8ce9a6e37dd10ba8bee7129812"
expectedAliases := []string{"testalias", "81e1bbe20b55"}
container, err := client.InspectContainer(id)
if err != nil {
t.Fatal(err)
}
s := reflect.Indirect(reflect.ValueOf(container.NetworkSettings))
networks := s.FieldByName("Networks")
if networks.IsValid() {
var ip string
for _, net := range networks.MapKeys() {
if net.Interface().(string) == container.HostConfig.NetworkMode {
ip = networks.MapIndex(net).FieldByName("IPAddress").Interface().(string)
t.Logf("%s %v", net, ip)
}
}
if ip != expIP {
t.Errorf("InspectContainerNetworks(%q): Expected %#v. Got %#v.", id, expIP, ip)
}
var networkID string
for _, net := range networks.MapKeys() {
if net.Interface().(string) == container.HostConfig.NetworkMode {
networkID = networks.MapIndex(net).FieldByName("NetworkID").Interface().(string)
t.Logf("%s %v", net, networkID)
}
}
var aliases []string
for _, net := range networks.MapKeys() {
if net.Interface().(string) == container.HostConfig.NetworkMode {
aliases = networks.MapIndex(net).FieldByName("Aliases").Interface().([]string)
}
}
if !reflect.DeepEqual(aliases, expectedAliases) {
t.Errorf("InspectContainerNetworks(%q): Expected Aliases %#v. Got %#v.", id, expectedAliases, aliases)
}
if networkID != expNetworkID {
t.Errorf("InspectContainerNetworks(%q): Expected %#v. Got %#v.", id, expNetworkID, networkID)
}
} else {
t.Errorf("InspectContainerNetworks(%q): No method Networks for NetworkSettings", id)
}
}
func TestInspectContainerNegativeSwap(t *testing.T) {
t.Parallel()
jsonContainer := `{
"Id": "4fa6e0f0c6786287e131c3852c58a2e01cc697a68231826813597e4994f1d6e2",
"Created": "2013-05-07T14:51:42.087658+02:00",
"Path": "date",
"Args": [],
"Config": {
"Hostname": "4fa6e0f0c678",
"User": "",
"Memory": 17179869184,
"MemorySwap": -1,
"AttachStdin": false,
"AttachStdout": true,
"AttachStderr": true,
"PortSpecs": null,
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": null,
"Cmd": [
"date"
],
"Image": "base",
"Volumes": {},
"VolumesFrom": ""
},
"State": {
"Running": false,
"Pid": 0,
"ExitCode": 0,
"StartedAt": "2013-05-07T14:51:42.087658+02:00",
"Ghost": false
},
"Image": "b750fe79269d2ec9a3c593ef05b4332b1d1a02a62b4accb2c21d589ff2f5f2dc",
"NetworkSettings": {
"IpAddress": "",
"IpPrefixLen": 0,
"Gateway": "",
"Bridge": "",
"PortMapping": null
},
"SysInitPath": "/home/kitty/go/src/github.com/dotcloud/docker/bin/docker",
"ResolvConfPath": "/etc/resolv.conf",
"Volumes": {},
"HostConfig": {
"Binds": null,
"ContainerIDFile": "",
"LxcConf": [],
"Privileged": false,
"PortBindings": {
"80/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "49153"
}
]
},
"Links": null,
"PublishAllPorts": false
}
}`
var expected Container
err := json.Unmarshal([]byte(jsonContainer), &expected)
if err != nil {
t.Fatal(err)
}
fakeRT := &FakeRoundTripper{message: jsonContainer, status: http.StatusOK}
client := newTestClient(fakeRT)
id := "4fa6e0f0c678"
container, err := client.InspectContainer(id)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(*container, expected) {
t.Errorf("InspectContainer(%q): Expected %#v. Got %#v.", id, expected, container)
}
expectedURL, _ := url.Parse(client.getURL("/containers/4fa6e0f0c678/json"))
if gotPath := fakeRT.requests[0].URL.Path; gotPath != expectedURL.Path {
t.Errorf("InspectContainer(%q): Wrong path in request. Want %q. Got %q.", id, expectedURL.Path, gotPath)
}
}
func TestInspectContainerFailure(t *testing.T) {
t.Parallel()
client := newTestClient(&FakeRoundTripper{message: "server error", status: 500})
expected := Error{Status: 500, Message: "server error"}
container, err := client.InspectContainer("abe033")
if container != nil {
t.Errorf("InspectContainer: Expected <nil> container, got %#v", container)
}
if !reflect.DeepEqual(expected, *err.(*Error)) {
t.Errorf("InspectContainer: Wrong error information. Want %#v. Got %#v.", expected, err)
}
}
func TestInspectContainerNotFound(t *testing.T) {
t.Parallel()
const containerID = "abe033"
client := newTestClient(&FakeRoundTripper{message: "no such container", status: 404})
container, err := client.InspectContainer(containerID)
if container != nil {
t.Errorf("InspectContainer: Expected <nil> container, got %#v", container)
}
expectNoSuchContainer(t, containerID, err)
}
func TestInspectContainerWhenContextTimesOut(t *testing.T) {
t.Parallel()
rt := sleepyRoudTripper{sleepDuration: 200 * time.Millisecond}
client := newTestClient(&rt)
ctx, cancel := context.WithTimeout(context.TODO(), 100*time.Millisecond)
defer cancel()
_, err := client.InspectContainerWithContext("id", ctx)
if !errors.Is(err, context.DeadlineExceeded) {
t.Errorf("Expected 'DeadlineExceededError', got: %#v", err)
}
}