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// Copyright 2021 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package moby
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import (
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"context"
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"fmt"
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"sort"
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"testing"
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"github.com/go-kit/log"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/common/model"
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"github.com/stretchr/testify/require"
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"gopkg.in/yaml.v2"
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"github.com/prometheus/prometheus/discovery"
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)
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func TestDockerSDRefresh(t *testing.T) {
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sdmock := NewSDMock(t, "dockerprom")
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sdmock.Setup()
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e := sdmock.Endpoint()
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url := e[:len(e)-1]
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cfgString := fmt.Sprintf(`
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---
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host: %s
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`, url)
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var cfg DockerSDConfig
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require.NoError(t, yaml.Unmarshal([]byte(cfgString), &cfg))
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reg := prometheus.NewRegistry()
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refreshMetrics := discovery.NewRefreshMetrics(reg)
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metrics := cfg.NewDiscovererMetrics(reg, refreshMetrics)
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require.NoError(t, metrics.Register())
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defer metrics.Unregister()
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defer refreshMetrics.Unregister()
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d, err := NewDockerDiscovery(&cfg, log.NewNopLogger(), metrics)
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require.NoError(t, err)
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ctx := context.Background()
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tgs, err := d.refresh(ctx)
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require.NoError(t, err)
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require.Len(t, tgs, 1)
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tg := tgs[0]
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require.NotNil(t, tg)
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require.NotNil(t, tg.Targets)
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require.Len(t, tg.Targets, 6)
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for i, lbls := range []model.LabelSet{
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{
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"__address__": "172.19.0.2:9100",
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"__meta_docker_container_id": "c301b928faceb1a18fe379f6bc178727ef920bb30b0f9b8592b32b36255a0eca",
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"__meta_docker_container_label_com_docker_compose_project": "dockersd",
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"__meta_docker_container_label_com_docker_compose_service": "node",
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"__meta_docker_container_label_com_docker_compose_version": "1.25.0",
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"__meta_docker_container_label_maintainer": "The Prometheus Authors <prometheus-developers@googlegroups.com>",
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"__meta_docker_container_label_prometheus_job": "node",
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"__meta_docker_container_name": "/dockersd_node_1",
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"__meta_docker_container_network_mode": "dockersd_default",
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"__meta_docker_network_id": "7189986ab399e144e52a71b7451b4e04e2158c044b4cd2f3ae26fc3a285d3798",
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"__meta_docker_network_ingress": "false",
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"__meta_docker_network_internal": "false",
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"__meta_docker_network_ip": "172.19.0.2",
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"__meta_docker_network_label_com_docker_compose_network": "default",
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"__meta_docker_network_label_com_docker_compose_project": "dockersd",
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"__meta_docker_network_label_com_docker_compose_version": "1.25.0",
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"__meta_docker_network_name": "dockersd_default",
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"__meta_docker_network_scope": "local",
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"__meta_docker_port_private": "9100",
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},
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{
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"__address__": "172.19.0.3:80",
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"__meta_docker_container_id": "c301b928faceb1a18fe379f6bc178727ef920bb30b0f9b8592b32b36255a0eca",
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"__meta_docker_container_label_com_docker_compose_project": "dockersd",
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"__meta_docker_container_label_com_docker_compose_service": "noport",
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"__meta_docker_container_label_com_docker_compose_version": "1.25.0",
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"__meta_docker_container_label_maintainer": "The Prometheus Authors <prometheus-developers@googlegroups.com>",
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"__meta_docker_container_label_prometheus_job": "noport",
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"__meta_docker_container_name": "/dockersd_noport_1",
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"__meta_docker_container_network_mode": "dockersd_default",
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"__meta_docker_network_id": "7189986ab399e144e52a71b7451b4e04e2158c044b4cd2f3ae26fc3a285d3798",
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"__meta_docker_network_ingress": "false",
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"__meta_docker_network_internal": "false",
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"__meta_docker_network_ip": "172.19.0.3",
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"__meta_docker_network_label_com_docker_compose_network": "default",
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"__meta_docker_network_label_com_docker_compose_project": "dockersd",
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"__meta_docker_network_label_com_docker_compose_version": "1.25.0",
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"__meta_docker_network_name": "dockersd_default",
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"__meta_docker_network_scope": "local",
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},
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{
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"__address__": "localhost",
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"__meta_docker_container_id": "54ed6cc5c0988260436cb0e739b7b6c9cad6c439a93b4c4fdbe9753e1c94b189",
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"__meta_docker_container_label_com_docker_compose_project": "dockersd",
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"__meta_docker_container_label_com_docker_compose_service": "host_networking",
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"__meta_docker_container_label_com_docker_compose_version": "1.25.0",
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"__meta_docker_container_name": "/dockersd_host_networking_1",
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"__meta_docker_container_network_mode": "host",
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"__meta_docker_network_ip": "",
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},
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{
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"__address__": "172.20.0.2:3306",
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"__meta_docker_container_id": "f9ade4b83199d6f83020b7c0bfd1e8281b19dbf9e6cef2cf89bc45c8f8d20fe8",
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"__meta_docker_container_label_com_docker_compose_project": "dockersd",
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"__meta_docker_container_label_com_docker_compose_service": "mysql",
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"__meta_docker_container_label_com_docker_compose_version": "2.2.2",
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"__meta_docker_container_name": "/dockersd_mysql",
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"__meta_docker_container_network_mode": "dockersd_private",
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"__meta_docker_network_id": "e804771e55254a360fdb70dfdd78d3610fdde231b14ef2f837a00ac1eeb9e601",
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"__meta_docker_network_ingress": "false",
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"__meta_docker_network_internal": "false",
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"__meta_docker_network_ip": "172.20.0.2",
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"__meta_docker_network_name": "dockersd_private",
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"__meta_docker_network_scope": "local",
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"__meta_docker_port_private": "3306",
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},
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{
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"__address__": "172.20.0.2:33060",
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"__meta_docker_container_id": "f9ade4b83199d6f83020b7c0bfd1e8281b19dbf9e6cef2cf89bc45c8f8d20fe8",
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"__meta_docker_container_label_com_docker_compose_project": "dockersd",
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"__meta_docker_container_label_com_docker_compose_service": "mysql",
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"__meta_docker_container_label_com_docker_compose_version": "2.2.2",
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"__meta_docker_container_name": "/dockersd_mysql",
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"__meta_docker_container_network_mode": "dockersd_private",
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"__meta_docker_network_id": "e804771e55254a360fdb70dfdd78d3610fdde231b14ef2f837a00ac1eeb9e601",
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"__meta_docker_network_ingress": "false",
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"__meta_docker_network_internal": "false",
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"__meta_docker_network_ip": "172.20.0.2",
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"__meta_docker_network_name": "dockersd_private",
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"__meta_docker_network_scope": "local",
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"__meta_docker_port_private": "33060",
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},
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{
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"__address__": "172.20.0.2:9104",
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"__meta_docker_container_id": "59bf76e8816af98856b90dd619c91027145ca501043b1c51756d03b085882e06",
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"__meta_docker_container_label_com_docker_compose_project": "dockersd",
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"__meta_docker_container_label_com_docker_compose_service": "mysqlexporter",
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"__meta_docker_container_label_com_docker_compose_version": "2.2.2",
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"__meta_docker_container_label_maintainer": "The Prometheus Authors <prometheus-developers@googlegroups.com>",
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"__meta_docker_container_name": "/dockersd_mysql_exporter",
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"__meta_docker_container_network_mode": "container:f9ade4b83199d6f83020b7c0bfd1e8281b19dbf9e6cef2cf89bc45c8f8d20fe8",
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"__meta_docker_network_id": "e804771e55254a360fdb70dfdd78d3610fdde231b14ef2f837a00ac1eeb9e601",
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"__meta_docker_network_ingress": "false",
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"__meta_docker_network_internal": "false",
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"__meta_docker_network_ip": "172.20.0.2",
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"__meta_docker_network_name": "dockersd_private",
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"__meta_docker_network_scope": "local",
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"__meta_docker_port_private": "9104",
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},
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} {
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t.Run(fmt.Sprintf("item %d", i), func(t *testing.T) {
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require.Equal(t, lbls, tg.Targets[i])
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})
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}
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}
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func TestDockerSDRefreshMatchAllNetworks(t *testing.T) {
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sdmock := NewSDMock(t, "dockerprom")
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sdmock.Setup()
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e := sdmock.Endpoint()
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url := e[:len(e)-1]
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cfgString := fmt.Sprintf(`
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---
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host: %s
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`, url)
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var cfg DockerSDConfig
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require.NoError(t, yaml.Unmarshal([]byte(cfgString), &cfg))
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cfg.MatchFirstNetwork = false
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reg := prometheus.NewRegistry()
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refreshMetrics := discovery.NewRefreshMetrics(reg)
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metrics := cfg.NewDiscovererMetrics(reg, refreshMetrics)
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require.NoError(t, metrics.Register())
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defer metrics.Unregister()
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defer refreshMetrics.Unregister()
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d, err := NewDockerDiscovery(&cfg, log.NewNopLogger(), metrics)
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require.NoError(t, err)
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ctx := context.Background()
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tgs, err := d.refresh(ctx)
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require.NoError(t, err)
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require.Len(t, tgs, 1)
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tg := tgs[0]
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require.NotNil(t, tg)
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require.NotNil(t, tg.Targets)
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require.Len(t, tg.Targets, 9)
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sortFunc := func(labelSets []model.LabelSet) {
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sort.Slice(labelSets, func(i, j int) bool {
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return labelSets[i]["__address__"] < labelSets[j]["__address__"]
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})
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}
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expected := []model.LabelSet{
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{
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"__address__": "172.19.0.2:9100",
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"__meta_docker_container_id": "c301b928faceb1a18fe379f6bc178727ef920bb30b0f9b8592b32b36255a0eca",
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"__meta_docker_container_label_com_docker_compose_project": "dockersd",
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"__meta_docker_container_label_com_docker_compose_service": "node",
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"__meta_docker_container_label_com_docker_compose_version": "1.25.0",
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"__meta_docker_container_label_maintainer": "The Prometheus Authors <prometheus-developers@googlegroups.com>",
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"__meta_docker_container_label_prometheus_job": "node",
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"__meta_docker_container_name": "/dockersd_node_1",
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"__meta_docker_container_network_mode": "dockersd_default",
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"__meta_docker_network_id": "7189986ab399e144e52a71b7451b4e04e2158c044b4cd2f3ae26fc3a285d3798",
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"__meta_docker_network_ingress": "false",
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"__meta_docker_network_internal": "false",
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"__meta_docker_network_ip": "172.19.0.2",
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"__meta_docker_network_label_com_docker_compose_network": "default",
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"__meta_docker_network_label_com_docker_compose_project": "dockersd",
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"__meta_docker_network_label_com_docker_compose_version": "1.25.0",
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"__meta_docker_network_name": "dockersd_default",
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"__meta_docker_network_scope": "local",
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"__meta_docker_port_private": "9100",
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},
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{
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"__address__": "172.19.0.3:80",
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"__meta_docker_container_id": "c301b928faceb1a18fe379f6bc178727ef920bb30b0f9b8592b32b36255a0eca",
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"__meta_docker_container_label_com_docker_compose_project": "dockersd",
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"__meta_docker_container_label_com_docker_compose_service": "noport",
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"__meta_docker_container_label_com_docker_compose_version": "1.25.0",
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"__meta_docker_container_label_maintainer": "The Prometheus Authors <prometheus-developers@googlegroups.com>",
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"__meta_docker_container_label_prometheus_job": "noport",
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"__meta_docker_container_name": "/dockersd_noport_1",
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"__meta_docker_container_network_mode": "dockersd_default",
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"__meta_docker_network_id": "7189986ab399e144e52a71b7451b4e04e2158c044b4cd2f3ae26fc3a285d3798",
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"__meta_docker_network_ingress": "false",
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"__meta_docker_network_internal": "false",
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"__meta_docker_network_ip": "172.19.0.3",
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"__meta_docker_network_label_com_docker_compose_network": "default",
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"__meta_docker_network_label_com_docker_compose_project": "dockersd",
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"__meta_docker_network_label_com_docker_compose_version": "1.25.0",
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"__meta_docker_network_name": "dockersd_default",
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"__meta_docker_network_scope": "local",
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},
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{
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"__address__": "localhost",
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"__meta_docker_container_id": "54ed6cc5c0988260436cb0e739b7b6c9cad6c439a93b4c4fdbe9753e1c94b189",
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|
|
|
"__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",
|
|
|
|
|
},
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
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])
|
|
|
|
|
})
|
|
|
|
|
}
|
|
|
|
|
}
|
