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metrics/lib/promscrape/discovery/docker/container_test.go
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package docker
import (
"reflect"
"sort"
"testing"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/promscrape/discoveryutil"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutil"
)
func TestParseContainers(t *testing.T) {
f := func(data string, resultExpected []container) {
t.Helper()
result, err := parseContainers([]byte(data))
if err != nil {
t.Fatalf("parseContainers() error: %s", err)
}
if !reflect.DeepEqual(result, resultExpected) {
t.Fatalf("unexpected result\ngot\n%v\nwant\n%v", result, resultExpected)
}
}
data := `[
{
"Id": "90bc3b31aa13da5c0b11af2e228d54b38428a84e25d4e249ae9e9c95e51a0700",
"Names": [
"/crow-server"
],
"ImageID": "sha256:11045371758ccf9468d807d53d1e1faa100c8ebabe87296bc107d52bdf983378",
"Created": 1624440429,
"Ports": [
{
"IP": "0.0.0.0",
"PrivatePort": 8080,
"PublicPort": 18081,
"Type": "tcp"
}
],
"Labels": {
"com.docker.compose.config-hash": "c9f0bd5bb31921f94cff367d819a30a0cc08d4399080897a6c5cd74b983156ec",
"com.docker.compose.container-number": "1",
"com.docker.compose.oneoff": "False",
"com.docker.compose.project": "crowserver",
"com.docker.compose.service": "crow-server",
"com.docker.compose.version": "1.11.2"
},
"State": "running",
"Status": "Up 2 hours",
"HostConfig": {
"NetworkMode": "bridge"
},
"NetworkSettings": {
"Networks": {
"bridge": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"NetworkID": "1dd8d1a8bef59943345c7231d7ce8268333ff5a8c5b3c94881e6b4742b447634",
"EndpointID": "2bcd751c98578ad1ce3d6798077a3e110535f3dcb0b0735cc84bd1e03905d907",
"Gateway": "172.17.0.1",
"IPAddress": "172.17.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"DriverOpts": null
}
}
}
},
{
"Id": "0e0f72a6eb7d9fb443f0426a66f7b8dd7d3283ab7e3a308b2bed584ac03a33dc",
"Names": [
"/crow-web"
],
"ImageID": "sha256:36e04dd2f67950179ab62a4ebd1b8b741232263fa1f210496a53335d5820b3af",
"Created": 1618302442,
"Ports": [
{
"IP": "0.0.0.0",
"PrivatePort": 8080,
"PublicPort": 18082,
"Type": "tcp"
}
],
"Labels": {
"com.docker.compose.config-hash": "d99ebd0fde8512366c2d78c367e95ddc74528bb60b7cf0c991c9f4835981e00e",
"com.docker.compose.container-number": "1",
"com.docker.compose.oneoff": "False",
"com.docker.compose.project": "crowweb",
"com.docker.compose.service": "crow-web",
"com.docker.compose.version": "1.11.2"
},
"State": "running",
"Status": "Up 2 months",
"HostConfig": {
"NetworkMode": "bridge"
},
"NetworkSettings": {
"Networks": {
"bridge": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"NetworkID": "1dd8d1a8bef59943345c7231d7ce8268333ff5a8c5b3c94881e6b4742b447634",
"EndpointID": "78d751dfa31923d73e001e5dc5751ad6f9f5ffeb88056fc950f0a952d7f24302",
"Gateway": "172.17.0.1",
"IPAddress": "172.17.0.3",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"DriverOpts": null
}
}
}
}
]`
resultExpected := []container{
{
ID: "90bc3b31aa13da5c0b11af2e228d54b38428a84e25d4e249ae9e9c95e51a0700",
Names: []string{"/crow-server"},
Labels: map[string]string{
"com.docker.compose.config-hash": "c9f0bd5bb31921f94cff367d819a30a0cc08d4399080897a6c5cd74b983156ec",
"com.docker.compose.container-number": "1",
"com.docker.compose.oneoff": "False",
"com.docker.compose.project": "crowserver",
"com.docker.compose.service": "crow-server",
"com.docker.compose.version": "1.11.2",
},
Ports: []containerPort{
{
IP: "0.0.0.0",
PrivatePort: 8080,
PublicPort: 18081,
Type: "tcp",
},
},
HostConfig: containerHostConfig{
NetworkMode: "bridge",
},
NetworkSettings: containerNetworkSettings{
Networks: map[string]containerNetwork{
"bridge": {
IPAddress: "172.17.0.2",
NetworkID: "1dd8d1a8bef59943345c7231d7ce8268333ff5a8c5b3c94881e6b4742b447634",
},
},
},
},
{
ID: "0e0f72a6eb7d9fb443f0426a66f7b8dd7d3283ab7e3a308b2bed584ac03a33dc",
Names: []string{"/crow-web"},
Labels: map[string]string{
"com.docker.compose.config-hash": "d99ebd0fde8512366c2d78c367e95ddc74528bb60b7cf0c991c9f4835981e00e",
"com.docker.compose.container-number": "1",
"com.docker.compose.oneoff": "False",
"com.docker.compose.project": "crowweb",
"com.docker.compose.service": "crow-web",
"com.docker.compose.version": "1.11.2",
},
Ports: []containerPort{
{
IP: "0.0.0.0",
PrivatePort: 8080,
PublicPort: 18082,
Type: "tcp",
},
},
HostConfig: containerHostConfig{
NetworkMode: "bridge",
},
NetworkSettings: containerNetworkSettings{
Networks: map[string]containerNetwork{
"bridge": {
IPAddress: "172.17.0.3",
NetworkID: "1dd8d1a8bef59943345c7231d7ce8268333ff5a8c5b3c94881e6b4742b447634",
},
},
},
},
}
f(data, resultExpected)
}
func TestAddContainerLabels(t *testing.T) {
f := func(c container, networkLabels map[string]*promutil.Labels, labelssExpected []*promutil.Labels) {
t.Helper()
labelss := addContainersLabels([]container{c}, networkLabels, 8012, "foobar", false)
discoveryutil.TestEqualLabelss(t, labelss, labelssExpected)
}
data := []byte(`[
{
"Name": "host",
"Id": "6a1989488dcb847c052eda939924d997457d5ecd994f76f35472996c4c75279a",
"Created": "2020-08-18T17:18:18.439033107+08:00",
"Scope": "local",
"Driver": "host",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": []
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {},
"Options": {},
"Labels": {}
},
{
"Name": "none",
"Id": "c9668d06973d976527e913ba207a3819275649f347390379ec8356db375cfde3",
"Created": "2020-08-18T17:18:18.428827132+08:00",
"Scope": "local",
"Driver": "null",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": []
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {},
"Options": {},
"Labels": {}
},
{
"Name": "bridge",
"Id": "1dd8d1a8bef59943345c7231d7ce8268333ff5a8c5b3c94881e6b4742b447634",
"Created": "2021-03-18T14:36:04.290821903+08:00",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": [
{
"Subnet": "172.17.0.0/16",
"Gateway": "172.17.0.1"
}
]
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {},
"Options": {
"com.docker.network.bridge.default_bridge": "true",
"com.docker.network.bridge.enable_icc": "true",
"com.docker.network.bridge.enable_ip_masquerade": "true",
"com.docker.network.bridge.host_binding_ipv4": "0.0.0.0",
"com.docker.network.bridge.name": "docker0",
"com.docker.network.driver.mtu": "1500"
},
"Labels": {}
}
]`)
networks, err := parseNetworks(data)
if err != nil {
t.Fatalf("fail to parse networks: %v", err)
}
networkLabels := getNetworkLabelsByNetworkID(networks)
// NetworkMode != host
c := container{
ID: "90bc3b31aa13da5c0b11af2e228d54b38428a84e25d4e249ae9e9c95e51a0700",
Names: []string{"/crow-server"},
Labels: map[string]string{
"com.docker.compose.config-hash": "c9f0bd5bb31921f94cff367d819a30a0cc08d4399080897a6c5cd74b983156ec",
"com.docker.compose.container-number": "1",
"com.docker.compose.oneoff": "False",
"com.docker.compose.project": "crowserver",
"com.docker.compose.service": "crow-server",
"com.docker.compose.version": "1.11.2",
},
HostConfig: containerHostConfig{
NetworkMode: "bridge",
},
NetworkSettings: containerNetworkSettings{
Networks: map[string]containerNetwork{
"host": {
IPAddress: "172.17.0.2",
NetworkID: "1dd8d1a8bef59943345c7231d7ce8268333ff5a8c5b3c94881e6b4742b447634",
},
},
},
}
labelssExpected := []*promutil.Labels{
promutil.NewLabelsFromMap(map[string]string{
"__address__": "172.17.0.2:8012",
"__meta_docker_container_id": "90bc3b31aa13da5c0b11af2e228d54b38428a84e25d4e249ae9e9c95e51a0700",
"__meta_docker_container_label_com_docker_compose_config_hash": "c9f0bd5bb31921f94cff367d819a30a0cc08d4399080897a6c5cd74b983156ec",
"__meta_docker_container_label_com_docker_compose_container_number": "1",
"__meta_docker_container_label_com_docker_compose_oneoff": "False",
"__meta_docker_container_label_com_docker_compose_project": "crowserver",
"__meta_docker_container_label_com_docker_compose_service": "crow-server",
"__meta_docker_container_label_com_docker_compose_version": "1.11.2",
"__meta_docker_container_name": "/crow-server",
"__meta_docker_container_network_mode": "bridge",
"__meta_docker_network_id": "1dd8d1a8bef59943345c7231d7ce8268333ff5a8c5b3c94881e6b4742b447634",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.17.0.2",
"__meta_docker_network_name": "bridge",
"__meta_docker_network_scope": "local",
}),
}
f(c, networkLabels, labelssExpected)
// NetworkMode=host
c = container{
ID: "90bc3b31aa13da5c0b11af2e228d54b38428a84e25d4e249ae9e9c95e51a0700",
Names: []string{"/crow-server"},
Labels: map[string]string{
"com.docker.compose.config-hash": "c9f0bd5bb31921f94cff367d819a30a0cc08d4399080897a6c5cd74b983156ec",
"com.docker.compose.container-number": "1",
"com.docker.compose.oneoff": "False",
"com.docker.compose.project": "crowserver",
"com.docker.compose.service": "crow-server",
"com.docker.compose.version": "1.11.2",
},
HostConfig: containerHostConfig{
NetworkMode: "host",
},
NetworkSettings: containerNetworkSettings{
Networks: map[string]containerNetwork{
"host": {
IPAddress: "172.17.0.2",
NetworkID: "1dd8d1a8bef59943345c7231d7ce8268333ff5a8c5b3c94881e6b4742b447634",
},
},
},
}
labelssExpected = []*promutil.Labels{
promutil.NewLabelsFromMap(map[string]string{
"__address__": "foobar",
"__meta_docker_container_id": "90bc3b31aa13da5c0b11af2e228d54b38428a84e25d4e249ae9e9c95e51a0700",
"__meta_docker_container_label_com_docker_compose_config_hash": "c9f0bd5bb31921f94cff367d819a30a0cc08d4399080897a6c5cd74b983156ec",
"__meta_docker_container_label_com_docker_compose_container_number": "1",
"__meta_docker_container_label_com_docker_compose_oneoff": "False",
"__meta_docker_container_label_com_docker_compose_project": "crowserver",
"__meta_docker_container_label_com_docker_compose_service": "crow-server",
"__meta_docker_container_label_com_docker_compose_version": "1.11.2",
"__meta_docker_container_name": "/crow-server",
"__meta_docker_container_network_mode": "host",
"__meta_docker_network_id": "1dd8d1a8bef59943345c7231d7ce8268333ff5a8c5b3c94881e6b4742b447634",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.17.0.2",
"__meta_docker_network_name": "bridge",
"__meta_docker_network_scope": "local",
}),
}
f(c, networkLabels, labelssExpected)
// get labels from a container
c = container{
ID: "90bc3b31aa13da5c0b11af2e228d54b38428a84e25d4e249ae9e9c95e51a0700",
Names: []string{"/crow-server"},
Labels: map[string]string{
"com.docker.compose.config-hash": "c9f0bd5bb31921f94cff367d819a30a0cc08d4399080897a6c5cd74b983156ec",
"com.docker.compose.container-number": "1",
"com.docker.compose.oneoff": "False",
"com.docker.compose.project": "crowserver",
"com.docker.compose.service": "crow-server",
"com.docker.compose.version": "1.11.2",
},
Ports: []containerPort{
{
IP: "0.0.0.0",
PrivatePort: 8080,
PublicPort: 18081,
Type: "tcp",
},
},
HostConfig: containerHostConfig{
NetworkMode: "bridge",
},
NetworkSettings: containerNetworkSettings{
Networks: map[string]containerNetwork{
"bridge": {
IPAddress: "172.17.0.2",
NetworkID: "1dd8d1a8bef59943345c7231d7ce8268333ff5a8c5b3c94881e6b4742b447634",
},
},
},
}
labelssExpected = []*promutil.Labels{
promutil.NewLabelsFromMap(map[string]string{
"__address__": "172.17.0.2:8080",
"__meta_docker_container_id": "90bc3b31aa13da5c0b11af2e228d54b38428a84e25d4e249ae9e9c95e51a0700",
"__meta_docker_container_label_com_docker_compose_config_hash": "c9f0bd5bb31921f94cff367d819a30a0cc08d4399080897a6c5cd74b983156ec",
"__meta_docker_container_label_com_docker_compose_container_number": "1",
"__meta_docker_container_label_com_docker_compose_oneoff": "False",
"__meta_docker_container_label_com_docker_compose_project": "crowserver",
"__meta_docker_container_label_com_docker_compose_service": "crow-server",
"__meta_docker_container_label_com_docker_compose_version": "1.11.2",
"__meta_docker_container_name": "/crow-server",
"__meta_docker_container_network_mode": "bridge",
"__meta_docker_network_id": "1dd8d1a8bef59943345c7231d7ce8268333ff5a8c5b3c94881e6b4742b447634",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.17.0.2",
"__meta_docker_network_name": "bridge",
"__meta_docker_network_scope": "local",
"__meta_docker_port_private": "8080",
"__meta_docker_port_public": "18081",
"__meta_docker_port_public_ip": "0.0.0.0",
}),
}
f(c, networkLabels, labelssExpected)
}
func TestDockerMultiNetworkLabels(t *testing.T) {
networkJSON := []byte(`[
{
"Name": "dockersd_private",
"Id": "e804771e55254a360fdb70dfdd78d3610fdde231b14ef2f837a00ac1eeb9e601",
"Created": "2022-03-25T09:21:17.718370976+08:00",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": [
{
"Subnet": "172.20.0.1/16"
}
]
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {},
"Options": {},
"Labels": {}
},
{
"Name": "dockersd_private1",
"Id": "bfcf66a6b64f7d518f009e34290dc3f3c66a08164257ad1afc3bd31d75f656e8",
"Created": "2022-03-25T09:21:17.718370976+08:00",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": [
{
"Subnet": "172.21.0.1/16"
}
]
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {},
"Options": {},
"Labels": {}
}
]`)
containerJSON := []byte(`[
{
"Id": "f84b2a0cfaa58d9e70b0657e2b3c6f44f0e973de4163a871299b4acf127b224f",
"Names": [
"/dockersd_multi_networks"
],
"Image": "mysql:5.7.29",
"ImageID": "sha256:16ae2f4625ba63a250462bedeece422e741de9f0caf3b1d89fd5b257aca80cd1",
"Command": "mysqld",
"Created": 1616273136,
"Ports": [
{
"PrivatePort": 3306,
"Type": "tcp"
},
{
"PrivatePort": 33060,
"Type": "tcp"
}
],
"Labels": {
"com.docker.compose.project": "dockersd",
"com.docker.compose.service": "mysql",
"com.docker.compose.version": "2.2.2"
},
"State": "running",
"Status": "Up 40 seconds",
"HostConfig": {
"NetworkMode": "dockersd_private_none"
},
"NetworkSettings": {
"Networks": {
"dockersd_private": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"NetworkID": "e804771e55254a360fdb70dfdd78d3610fdde231b14ef2f837a00ac1eeb9e601",
"EndpointID": "972d6807997369605ace863af58de6cb90c787a5bf2ffc4105662d393ae539b7",
"Gateway": "172.20.0.1",
"IPAddress": "172.20.0.3",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:14:00:02",
"DriverOpts": null
},
"dockersd_private1": {
"IPAMConfig": {},
"Links": null,
"Aliases": [
"mysql",
"mysql",
"f9ade4b83199"
],
"NetworkID": "bfcf66a6b64f7d518f009e34290dc3f3c66a08164257ad1afc3bd31d75f656e8",
"EndpointID": "91a98405344ee1cb7d977cafabe634837876651544b32da20a5e0155868e6f5f",
"Gateway": "172.21.0.1",
"IPAddress": "172.21.0.3",
"IPPrefixLen": 24,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:15:00:02",
"DriverOpts": null
}
}
},
"Mounts": []
}
]
`)
networks, err := parseNetworks(networkJSON)
if err != nil {
t.Fatalf("fail to parse networks: %v", err)
}
networkLabels := getNetworkLabelsByNetworkID(networks)
containers, err := parseContainers(containerJSON)
if err != nil {
t.Fatalf("parseContainers() error: %s", err)
}
// matchFirstNetwork = false
labelssExpected := []*promutil.Labels{
promutil.NewLabelsFromMap(map[string]string{
"__address__": "172.20.0.3:3306",
"__meta_docker_container_id": "f84b2a0cfaa58d9e70b0657e2b3c6f44f0e973de4163a871299b4acf127b224f",
"__meta_docker_container_label_com_docker_compose_project": "dockersd",
"__meta_docker_container_label_com_docker_compose_service": "mysql",
"__meta_docker_container_label_com_docker_compose_version": "2.2.2",
"__meta_docker_container_name": "/dockersd_multi_networks",
"__meta_docker_container_network_mode": "dockersd_private_none",
"__meta_docker_network_id": "e804771e55254a360fdb70dfdd78d3610fdde231b14ef2f837a00ac1eeb9e601",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.20.0.3",
"__meta_docker_network_name": "dockersd_private",
"__meta_docker_network_scope": "local",
"__meta_docker_port_private": "3306",
}),
promutil.NewLabelsFromMap(map[string]string{
"__address__": "172.20.0.3:33060",
"__meta_docker_container_id": "f84b2a0cfaa58d9e70b0657e2b3c6f44f0e973de4163a871299b4acf127b224f",
"__meta_docker_container_label_com_docker_compose_project": "dockersd",
"__meta_docker_container_label_com_docker_compose_service": "mysql",
"__meta_docker_container_label_com_docker_compose_version": "2.2.2",
"__meta_docker_container_name": "/dockersd_multi_networks",
"__meta_docker_container_network_mode": "dockersd_private_none",
"__meta_docker_network_id": "e804771e55254a360fdb70dfdd78d3610fdde231b14ef2f837a00ac1eeb9e601",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.20.0.3",
"__meta_docker_network_name": "dockersd_private",
"__meta_docker_network_scope": "local",
"__meta_docker_port_private": "33060",
}),
promutil.NewLabelsFromMap(map[string]string{
"__address__": "172.21.0.3:3306",
"__meta_docker_container_id": "f84b2a0cfaa58d9e70b0657e2b3c6f44f0e973de4163a871299b4acf127b224f",
"__meta_docker_container_label_com_docker_compose_project": "dockersd",
"__meta_docker_container_label_com_docker_compose_service": "mysql",
"__meta_docker_container_label_com_docker_compose_version": "2.2.2",
"__meta_docker_container_name": "/dockersd_multi_networks",
"__meta_docker_container_network_mode": "dockersd_private_none",
"__meta_docker_network_id": "bfcf66a6b64f7d518f009e34290dc3f3c66a08164257ad1afc3bd31d75f656e8",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.21.0.3",
"__meta_docker_network_name": "dockersd_private1",
"__meta_docker_network_scope": "local",
"__meta_docker_port_private": "3306",
}),
promutil.NewLabelsFromMap(map[string]string{
"__address__": "172.21.0.3:33060",
"__meta_docker_container_id": "f84b2a0cfaa58d9e70b0657e2b3c6f44f0e973de4163a871299b4acf127b224f",
"__meta_docker_container_label_com_docker_compose_project": "dockersd",
"__meta_docker_container_label_com_docker_compose_service": "mysql",
"__meta_docker_container_label_com_docker_compose_version": "2.2.2",
"__meta_docker_container_name": "/dockersd_multi_networks",
"__meta_docker_container_network_mode": "dockersd_private_none",
"__meta_docker_network_id": "bfcf66a6b64f7d518f009e34290dc3f3c66a08164257ad1afc3bd31d75f656e8",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.21.0.3",
"__meta_docker_network_name": "dockersd_private1",
"__meta_docker_network_scope": "local",
"__meta_docker_port_private": "33060",
}),
}
labelss := addContainersLabels(containers, networkLabels, 80, "localhost", false)
discoveryutil.TestEqualLabelss(t, sortLabelss(labelss), sortLabelss(labelssExpected))
// matchFirstNetwork = true, so labels of `dockersd_private1` are removed
labelssExpected = []*promutil.Labels{
promutil.NewLabelsFromMap(map[string]string{
"__address__": "172.20.0.3:3306",
"__meta_docker_container_id": "f84b2a0cfaa58d9e70b0657e2b3c6f44f0e973de4163a871299b4acf127b224f",
"__meta_docker_container_label_com_docker_compose_project": "dockersd",
"__meta_docker_container_label_com_docker_compose_service": "mysql",
"__meta_docker_container_label_com_docker_compose_version": "2.2.2",
"__meta_docker_container_name": "/dockersd_multi_networks",
"__meta_docker_container_network_mode": "dockersd_private_none",
"__meta_docker_network_id": "e804771e55254a360fdb70dfdd78d3610fdde231b14ef2f837a00ac1eeb9e601",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.20.0.3",
"__meta_docker_network_name": "dockersd_private",
"__meta_docker_network_scope": "local",
"__meta_docker_port_private": "3306",
}),
promutil.NewLabelsFromMap(map[string]string{
"__address__": "172.20.0.3:33060",
"__meta_docker_container_id": "f84b2a0cfaa58d9e70b0657e2b3c6f44f0e973de4163a871299b4acf127b224f",
"__meta_docker_container_label_com_docker_compose_project": "dockersd",
"__meta_docker_container_label_com_docker_compose_service": "mysql",
"__meta_docker_container_label_com_docker_compose_version": "2.2.2",
"__meta_docker_container_name": "/dockersd_multi_networks",
"__meta_docker_container_network_mode": "dockersd_private_none",
"__meta_docker_network_id": "e804771e55254a360fdb70dfdd78d3610fdde231b14ef2f837a00ac1eeb9e601",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.20.0.3",
"__meta_docker_network_name": "dockersd_private",
"__meta_docker_network_scope": "local",
"__meta_docker_port_private": "33060",
}),
}
labelss = addContainersLabels(containers, networkLabels, 80, "localhost", true)
discoveryutil.TestEqualLabelss(t, sortLabelss(labelss), sortLabelss(labelssExpected))
}
// TestDockerLinkedNetworkSettings test the case when `NetworkMode` of a container linked to another container:
// "container:f9ade4b83199d6f83020b7c0bfd1e8281b19dbf9e6cef2cf89bc45c8f8d20fe8"
func TestDockerLinkedNetworkSettings(t *testing.T) {
networkJSON := []byte(`[
{
"Name": "dockersd_private",
"Id": "e804771e55254a360fdb70dfdd78d3610fdde231b14ef2f837a00ac1eeb9e601",
"Created": "2022-03-25T09:21:17.718370976+08:00",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": [
{
"Subnet": "172.20.0.1/16"
}
]
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {},
"Options": {},
"Labels": {}
},
{
"Name": "dockersd_private1",
"Id": "bfcf66a6b64f7d518f009e34290dc3f3c66a08164257ad1afc3bd31d75f656e8",
"Created": "2022-03-25T09:21:17.718370976+08:00",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": [
{
"Subnet": "172.21.0.1/16"
}
]
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {},
"Options": {},
"Labels": {}
}
]`)
containerJSON := []byte(`[
{
"Id": "f9ade4b83199d6f83020b7c0bfd1e8281b19dbf9e6cef2cf89bc45c8f8d20fe8",
"Names": [
"/dockersd_mysql"
],
"Image": "mysql:5.7.29",
"ImageID": "sha256:5d9483f9a7b21c87e0f5b9776c3e06567603c28c0062013eda127c968175f5e8",
"Command": "mysqld",
"Created": 1616273136,
"Ports": [
{
"PrivatePort": 3306,
"Type": "tcp"
},
{
"PrivatePort": 33060,
"Type": "tcp"
}
],
"Labels": {
"com.docker.compose.project": "dockersd",
"com.docker.compose.service": "mysql",
"com.docker.compose.version": "2.2.2"
},
"State": "running",
"Status": "Up 40 seconds",
"HostConfig": {
"NetworkMode": "dockersd_private"
},
"NetworkSettings": {
"Networks": {
"dockersd_private": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"NetworkID": "e804771e55254a360fdb70dfdd78d3610fdde231b14ef2f837a00ac1eeb9e601",
"EndpointID": "80f8a61b37701a9991bb98c75ddd23fd9b7c16b5575ca81343f6b44ff4a2a9d9",
"Gateway": "172.20.0.1",
"IPAddress": "172.20.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:14:00:0a",
"DriverOpts": null
},
"dockersd_private1": {
"IPAMConfig": {},
"Links": null,
"Aliases": [
"mysql",
"mysql",
"f9ade4b83199"
],
"NetworkID": "bfcf66a6b64f7d518f009e34290dc3f3c66a08164257ad1afc3bd31d75f656e8",
"EndpointID": "f80921d10e78c99a5907705aae75befea40c3d3e9f820e66ab392f7274be16b8",
"Gateway": "172.21.0.1",
"IPAddress": "172.21.0.2",
"IPPrefixLen": 24,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:15:00:02",
"DriverOpts": null
}
}
},
"Mounts": []
},
{
"Id": "59bf76e8816af98856b90dd619c91027145ca501043b1c51756d03b085882e06",
"Names": [
"/dockersd_mysql_exporter"
],
"Image": "prom/mysqld-exporter:latest",
"ImageID": "sha256:121b8a7cd0525dd89aaec58ad7d34c3bb3714740e5a67daf6510ccf71ab219a9",
"Command": "/bin/mysqld_exporter",
"Created": 1616273136,
"Ports": [
{
"PrivatePort": 9104,
"Type": "tcp"
}
],
"Labels": {
"com.docker.compose.project": "dockersd",
"com.docker.compose.service": "mysqlexporter",
"com.docker.compose.version": "2.2.2",
"maintainer": "The Prometheus Authors <[email protected]>"
},
"State": "running",
"Status": "Up 40 seconds",
"HostConfig": {
"NetworkMode": "container:f9ade4b83199d6f83020b7c0bfd1e8281b19dbf9e6cef2cf89bc45c8f8d20fe8"
},
"NetworkSettings": {
"Networks": {}
},
"Mounts": []
}
]
`)
networks, err := parseNetworks(networkJSON)
if err != nil {
t.Fatalf("fail to parse networks: %v", err)
}
networkLabels := getNetworkLabelsByNetworkID(networks)
containers, err := parseContainers(containerJSON)
if err != nil {
t.Fatalf("parseContainers() error: %s", err)
}
labelssExpected := []*promutil.Labels{
promutil.NewLabelsFromMap(map[string]string{
"__address__": "172.20.0.2:3306",
"__meta_docker_container_id": "f9ade4b83199d6f83020b7c0bfd1e8281b19dbf9e6cef2cf89bc45c8f8d20fe8",
"__meta_docker_container_label_com_docker_compose_project": "dockersd",
"__meta_docker_container_label_com_docker_compose_service": "mysql",
"__meta_docker_container_label_com_docker_compose_version": "2.2.2",
"__meta_docker_container_name": "/dockersd_mysql",
"__meta_docker_container_network_mode": "dockersd_private",
"__meta_docker_network_id": "e804771e55254a360fdb70dfdd78d3610fdde231b14ef2f837a00ac1eeb9e601",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.20.0.2",
"__meta_docker_network_name": "dockersd_private",
"__meta_docker_network_scope": "local",
"__meta_docker_port_private": "3306",
}),
promutil.NewLabelsFromMap(map[string]string{
"__address__": "172.20.0.2:33060",
"__meta_docker_container_id": "f9ade4b83199d6f83020b7c0bfd1e8281b19dbf9e6cef2cf89bc45c8f8d20fe8",
"__meta_docker_container_label_com_docker_compose_project": "dockersd",
"__meta_docker_container_label_com_docker_compose_service": "mysql",
"__meta_docker_container_label_com_docker_compose_version": "2.2.2",
"__meta_docker_container_name": "/dockersd_mysql",
"__meta_docker_container_network_mode": "dockersd_private",
"__meta_docker_network_id": "e804771e55254a360fdb70dfdd78d3610fdde231b14ef2f837a00ac1eeb9e601",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.20.0.2",
"__meta_docker_network_name": "dockersd_private",
"__meta_docker_network_scope": "local",
"__meta_docker_port_private": "33060",
}),
promutil.NewLabelsFromMap(map[string]string{
"__address__": "172.21.0.2:3306",
"__meta_docker_container_id": "f9ade4b83199d6f83020b7c0bfd1e8281b19dbf9e6cef2cf89bc45c8f8d20fe8",
"__meta_docker_container_label_com_docker_compose_project": "dockersd",
"__meta_docker_container_label_com_docker_compose_service": "mysql",
"__meta_docker_container_label_com_docker_compose_version": "2.2.2",
"__meta_docker_container_name": "/dockersd_mysql",
"__meta_docker_container_network_mode": "dockersd_private",
"__meta_docker_network_id": "bfcf66a6b64f7d518f009e34290dc3f3c66a08164257ad1afc3bd31d75f656e8",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.21.0.2",
"__meta_docker_network_name": "dockersd_private1",
"__meta_docker_network_scope": "local",
"__meta_docker_port_private": "3306",
}),
promutil.NewLabelsFromMap(map[string]string{
"__address__": "172.21.0.2:33060",
"__meta_docker_container_id": "f9ade4b83199d6f83020b7c0bfd1e8281b19dbf9e6cef2cf89bc45c8f8d20fe8",
"__meta_docker_container_label_com_docker_compose_project": "dockersd",
"__meta_docker_container_label_com_docker_compose_service": "mysql",
"__meta_docker_container_label_com_docker_compose_version": "2.2.2",
"__meta_docker_container_name": "/dockersd_mysql",
"__meta_docker_container_network_mode": "dockersd_private",
"__meta_docker_network_id": "bfcf66a6b64f7d518f009e34290dc3f3c66a08164257ad1afc3bd31d75f656e8",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.21.0.2",
"__meta_docker_network_name": "dockersd_private1",
"__meta_docker_network_scope": "local",
"__meta_docker_port_private": "33060",
}),
promutil.NewLabelsFromMap(map[string]string{
"__address__": "172.20.0.2:9104",
"__meta_docker_container_id": "59bf76e8816af98856b90dd619c91027145ca501043b1c51756d03b085882e06",
"__meta_docker_container_label_com_docker_compose_project": "dockersd",
"__meta_docker_container_label_com_docker_compose_service": "mysqlexporter",
"__meta_docker_container_label_com_docker_compose_version": "2.2.2",
"__meta_docker_container_label_maintainer": "The Prometheus Authors <[email protected]>",
"__meta_docker_container_name": "/dockersd_mysql_exporter",
"__meta_docker_container_network_mode": "container:f9ade4b83199d6f83020b7c0bfd1e8281b19dbf9e6cef2cf89bc45c8f8d20fe8",
"__meta_docker_network_id": "e804771e55254a360fdb70dfdd78d3610fdde231b14ef2f837a00ac1eeb9e601",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.20.0.2",
"__meta_docker_network_name": "dockersd_private",
"__meta_docker_network_scope": "local",
"__meta_docker_port_private": "9104",
}),
promutil.NewLabelsFromMap(map[string]string{
"__address__": "172.21.0.2:9104",
"__meta_docker_container_id": "59bf76e8816af98856b90dd619c91027145ca501043b1c51756d03b085882e06",
"__meta_docker_container_label_com_docker_compose_project": "dockersd",
"__meta_docker_container_label_com_docker_compose_service": "mysqlexporter",
"__meta_docker_container_label_com_docker_compose_version": "2.2.2",
"__meta_docker_container_label_maintainer": "The Prometheus Authors <[email protected]>",
"__meta_docker_container_name": "/dockersd_mysql_exporter",
"__meta_docker_container_network_mode": "container:f9ade4b83199d6f83020b7c0bfd1e8281b19dbf9e6cef2cf89bc45c8f8d20fe8",
"__meta_docker_network_id": "bfcf66a6b64f7d518f009e34290dc3f3c66a08164257ad1afc3bd31d75f656e8",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.21.0.2",
"__meta_docker_network_name": "dockersd_private1",
"__meta_docker_network_scope": "local",
"__meta_docker_port_private": "9104",
}),
}
labelss := addContainersLabels(containers, networkLabels, 80, "localhost", false)
discoveryutil.TestEqualLabelss(t, sortLabelss(labelss), sortLabelss(labelssExpected))
}
func sortLabelss(labelss []*promutil.Labels) []*promutil.Labels {
sort.Slice(labelss, func(i, j int) bool {
return labelss[i].Get("__address__")+labelss[i].Get("__meta_docker_container_id") < labelss[j].Get("__address__")+labelss[j].Get("__meta_docker_container_id")
})
return labelss
}
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