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prometheus/discovery/moby/docker_test.go
ouyang1204@gmail.com 89dee48cc8 fix the issue of failing to match the first network when the container is reconnected to a new network 
Signed-off-by: ouyang1204@gmail.com <ouyang1204@gmail.com>
2024-08-19 21:26:25 +08:00

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// Copyright 2021 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package moby
import (
"context"
"fmt"
"sort"
"testing"
"github.com/go-kit/log"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/common/model"
"github.com/stretchr/testify/require"
"gopkg.in/yaml.v2"
"github.com/prometheus/prometheus/discovery"
)
func TestDockerSDRefresh(t *testing.T) {
sdmock := NewSDMock(t, "dockerprom")
sdmock.Setup()
e := sdmock.Endpoint()
url := e[:len(e)-1]
cfgString := fmt.Sprintf(`
---
host: %s
`, url)
var cfg DockerSDConfig
require.NoError(t, yaml.Unmarshal([]byte(cfgString), &cfg))
reg := prometheus.NewRegistry()
refreshMetrics := discovery.NewRefreshMetrics(reg)
metrics := cfg.NewDiscovererMetrics(reg, refreshMetrics)
require.NoError(t, metrics.Register())
defer metrics.Unregister()
defer refreshMetrics.Unregister()
d, err := NewDockerDiscovery(&cfg, log.NewNopLogger(), metrics)
require.NoError(t, err)
ctx := context.Background()
tgs, err := d.refresh(ctx)
require.NoError(t, err)
require.Len(t, tgs, 1)
tg := tgs[0]
require.NotNil(t, tg)
require.NotNil(t, tg.Targets)
require.Len(t, tg.Targets, 8)
expected := []model.LabelSet{
{
"__address__": "172.19.0.2:9100",
"__meta_docker_container_id": "c301b928faceb1a18fe379f6bc178727ef920bb30b0f9b8592b32b36255a0eca",
"__meta_docker_container_label_com_docker_compose_project": "dockersd",
"__meta_docker_container_label_com_docker_compose_service": "node",
"__meta_docker_container_label_com_docker_compose_version": "1.25.0",
"__meta_docker_container_label_maintainer": "The Prometheus Authors <prometheus-developers@googlegroups.com>",
"__meta_docker_container_label_prometheus_job": "node",
"__meta_docker_container_name": "/dockersd_node_1",
"__meta_docker_container_network_mode": "dockersd_default",
"__meta_docker_network_id": "7189986ab399e144e52a71b7451b4e04e2158c044b4cd2f3ae26fc3a285d3798",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.19.0.2",
"__meta_docker_network_label_com_docker_compose_network": "default",
"__meta_docker_network_label_com_docker_compose_project": "dockersd",
"__meta_docker_network_label_com_docker_compose_version": "1.25.0",
"__meta_docker_network_name": "dockersd_default",
"__meta_docker_network_scope": "local",
"__meta_docker_port_private": "9100",
},
{
"__address__": "172.19.0.3:80",
"__meta_docker_container_id": "c301b928faceb1a18fe379f6bc178727ef920bb30b0f9b8592b32b36255a0eca",
"__meta_docker_container_label_com_docker_compose_project": "dockersd",
"__meta_docker_container_label_com_docker_compose_service": "noport",
"__meta_docker_container_label_com_docker_compose_version": "1.25.0",
"__meta_docker_container_label_maintainer": "The Prometheus Authors <prometheus-developers@googlegroups.com>",
"__meta_docker_container_label_prometheus_job": "noport",
"__meta_docker_container_name": "/dockersd_noport_1",
"__meta_docker_container_network_mode": "dockersd_default",
"__meta_docker_network_id": "7189986ab399e144e52a71b7451b4e04e2158c044b4cd2f3ae26fc3a285d3798",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.19.0.3",
"__meta_docker_network_label_com_docker_compose_network": "default",
"__meta_docker_network_label_com_docker_compose_project": "dockersd",
"__meta_docker_network_label_com_docker_compose_version": "1.25.0",
"__meta_docker_network_name": "dockersd_default",
"__meta_docker_network_scope": "local",
},
{
"__address__": "localhost",
"__meta_docker_container_id": "54ed6cc5c0988260436cb0e739b7b6c9cad6c439a93b4c4fdbe9753e1c94b189",
"__meta_docker_container_label_com_docker_compose_project": "dockersd",
"__meta_docker_container_label_com_docker_compose_service": "host_networking",
"__meta_docker_container_label_com_docker_compose_version": "1.25.0",
"__meta_docker_container_name": "/dockersd_host_networking_1",
"__meta_docker_container_network_mode": "host",
"__meta_docker_network_ip": "",
},
{
"__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",
},
{
"__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",
},
{
"__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 <prometheus-developers@googlegroups.com>",
"__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",
},
{
"__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",
},
{
"__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",
},
}
sortFunc(expected)
sortFunc(tg.Targets)
for i, lbls := range expected {
t.Run(fmt.Sprintf("item %d", i), func(t *testing.T) {
require.Equal(t, lbls, tg.Targets[i])
})
}
}
func TestDockerSDRefreshMatchAllNetworks(t *testing.T) {
sdmock := NewSDMock(t, "dockerprom")
sdmock.Setup()
e := sdmock.Endpoint()
url := e[:len(e)-1]
cfgString := fmt.Sprintf(`
---
host: %s
`, url)
var cfg DockerSDConfig
require.NoError(t, yaml.Unmarshal([]byte(cfgString), &cfg))
cfg.MatchFirstNetwork = false
reg := prometheus.NewRegistry()
refreshMetrics := discovery.NewRefreshMetrics(reg)
metrics := cfg.NewDiscovererMetrics(reg, refreshMetrics)
require.NoError(t, metrics.Register())
defer metrics.Unregister()
defer refreshMetrics.Unregister()
d, err := NewDockerDiscovery(&cfg, log.NewNopLogger(), metrics)
require.NoError(t, err)
ctx := context.Background()
tgs, err := d.refresh(ctx)
require.NoError(t, err)
require.Len(t, tgs, 1)
tg := tgs[0]
require.NotNil(t, tg)
require.NotNil(t, tg.Targets)
require.Len(t, tg.Targets, 13)
expected := []model.LabelSet{
{
"__address__": "172.19.0.2:9100",
"__meta_docker_container_id": "c301b928faceb1a18fe379f6bc178727ef920bb30b0f9b8592b32b36255a0eca",
"__meta_docker_container_label_com_docker_compose_project": "dockersd",
"__meta_docker_container_label_com_docker_compose_service": "node",
"__meta_docker_container_label_com_docker_compose_version": "1.25.0",
"__meta_docker_container_label_maintainer": "The Prometheus Authors <prometheus-developers@googlegroups.com>",
"__meta_docker_container_label_prometheus_job": "node",
"__meta_docker_container_name": "/dockersd_node_1",
"__meta_docker_container_network_mode": "dockersd_default",
"__meta_docker_network_id": "7189986ab399e144e52a71b7451b4e04e2158c044b4cd2f3ae26fc3a285d3798",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.19.0.2",
"__meta_docker_network_label_com_docker_compose_network": "default",
"__meta_docker_network_label_com_docker_compose_project": "dockersd",
"__meta_docker_network_label_com_docker_compose_version": "1.25.0",
"__meta_docker_network_name": "dockersd_default",
"__meta_docker_network_scope": "local",
"__meta_docker_port_private": "9100",
},
{
"__address__": "172.19.0.3:80",
"__meta_docker_container_id": "c301b928faceb1a18fe379f6bc178727ef920bb30b0f9b8592b32b36255a0eca",
"__meta_docker_container_label_com_docker_compose_project": "dockersd",
"__meta_docker_container_label_com_docker_compose_service": "noport",
"__meta_docker_container_label_com_docker_compose_version": "1.25.0",
"__meta_docker_container_label_maintainer": "The Prometheus Authors <prometheus-developers@googlegroups.com>",
"__meta_docker_container_label_prometheus_job": "noport",
"__meta_docker_container_name": "/dockersd_noport_1",
"__meta_docker_container_network_mode": "dockersd_default",
"__meta_docker_network_id": "7189986ab399e144e52a71b7451b4e04e2158c044b4cd2f3ae26fc3a285d3798",
"__meta_docker_network_ingress": "false",
"__meta_docker_network_internal": "false",
"__meta_docker_network_ip": "172.19.0.3",
"__meta_docker_network_label_com_docker_compose_network": "default",
"__meta_docker_network_label_com_docker_compose_project": "dockersd",
"__meta_docker_network_label_com_docker_compose_version": "1.25.0",
"__meta_docker_network_name": "dockersd_default",
"__meta_docker_network_scope": "local",
},
{
"__address__": "localhost",
"__meta_docker_container_id": "54ed6cc5c0988260436cb0e739b7b6c9cad6c439a93b4c4fdbe9753e1c94b189",
"__meta_docker_container_label_com_docker_compose_project": "dockersd",
"__meta_docker_container_label_com_docker_compose_service": "host_networking",
"__meta_docker_container_label_com_docker_compose_version": "1.25.0",
"__meta_docker_container_name": "/dockersd_host_networking_1",
"__meta_docker_container_network_mode": "host",
"__meta_docker_network_ip": "",
},
{
"__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",
},
{
"__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",
},
{
"__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",
},
{
"__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",
},
{
"__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 <prometheus-developers@googlegroups.com>",
"__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",
},
{
"__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 <prometheus-developers@googlegroups.com>",
"__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",
},
{
"__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",
},
{
"__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",
},
{
"__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",
},
{
"__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",
},
}
sortFunc(expected)
sortFunc(tg.Targets)
for i, lbls := range expected {
t.Run(fmt.Sprintf("item %d", i), func(t *testing.T) {
require.Equal(t, lbls, tg.Targets[i])
})
}
}
func sortFunc(labelSets []model.LabelSet) {
sort.Slice(labelSets, func(i, j int) bool {
return labelSets[i]["__address__"] < labelSets[j]["__address__"]
})
}
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