The Prometheus monitoring system and time series database.
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// Copyright 2020 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"
"testing"
"github.com/go-kit/log"
"github.com/prometheus/common/model"
"github.com/stretchr/testify/require"
"gopkg.in/yaml.v2"
)
func TestDockerSwarmNodesSDRefresh(t *testing.T) {
sdmock := NewSDMock(t, "swarmprom")
sdmock.Setup()
e := sdmock.Endpoint()
url := e[:len(e)-1]
cfgString := fmt.Sprintf(`
---
role: nodes
host: %s
`, url)
var cfg DockerSwarmSDConfig
require.NoError(t, yaml.Unmarshal([]byte(cfgString), &cfg))
d, err := NewDiscovery(&cfg, log.NewNopLogger())
require.NoError(t, err)
ctx := context.Background()
tgs, err := d.refresh(ctx)
require.NoError(t, err)
require.Equal(t, 1, len(tgs))
tg := tgs[0]
require.NotNil(t, tg)
require.NotNil(t, tg.Targets)
require.Equal(t, 5, len(tg.Targets))
for i, lbls := range []model.LabelSet{
{
"__address__": model.LabelValue("10.0.232.3:80"),
"__meta_dockerswarm_node_address": model.LabelValue("10.0.232.3"),
"__meta_dockerswarm_node_availability": model.LabelValue("active"),
"__meta_dockerswarm_node_engine_version": model.LabelValue("19.03.11"),
"__meta_dockerswarm_node_hostname": model.LabelValue("master-3"),
"__meta_dockerswarm_node_id": model.LabelValue("bvtjl7pnrtg0k88ywialsldpd"),
"__meta_dockerswarm_node_manager_address": model.LabelValue("10.0.232.3:2377"),
"__meta_dockerswarm_node_manager_leader": model.LabelValue("false"),
"__meta_dockerswarm_node_manager_reachability": model.LabelValue("reachable"),
"__meta_dockerswarm_node_platform_architecture": model.LabelValue("x86_64"),
"__meta_dockerswarm_node_platform_os": model.LabelValue("linux"),
"__meta_dockerswarm_node_role": model.LabelValue("manager"),
"__meta_dockerswarm_node_status": model.LabelValue("ready"),
},
{
"__address__": model.LabelValue("10.0.232.1:80"),
"__meta_dockerswarm_node_address": model.LabelValue("10.0.232.1"),
"__meta_dockerswarm_node_availability": model.LabelValue("active"),
"__meta_dockerswarm_node_engine_version": model.LabelValue("19.03.5-ce"),
"__meta_dockerswarm_node_hostname": model.LabelValue("oxygen"),
"__meta_dockerswarm_node_id": model.LabelValue("d3cw2msquo0d71yn42qrnb0tu"),
"__meta_dockerswarm_node_manager_address": model.LabelValue("10.0.232.1:2377"),
"__meta_dockerswarm_node_manager_leader": model.LabelValue("true"),
"__meta_dockerswarm_node_manager_reachability": model.LabelValue("reachable"),
"__meta_dockerswarm_node_platform_architecture": model.LabelValue("x86_64"),
"__meta_dockerswarm_node_platform_os": model.LabelValue("linux"),
"__meta_dockerswarm_node_role": model.LabelValue("manager"),
"__meta_dockerswarm_node_status": model.LabelValue("ready"),
},
{
"__address__": model.LabelValue("10.0.232.2:80"),
"__meta_dockerswarm_node_address": model.LabelValue("10.0.232.2"),
"__meta_dockerswarm_node_availability": model.LabelValue("active"),
"__meta_dockerswarm_node_engine_version": model.LabelValue("19.03.11"),
"__meta_dockerswarm_node_hostname": model.LabelValue("master-2"),
"__meta_dockerswarm_node_id": model.LabelValue("i9woemzxymn1n98o9ufebclgm"),
"__meta_dockerswarm_node_manager_address": model.LabelValue("10.0.232.2:2377"),
"__meta_dockerswarm_node_manager_leader": model.LabelValue("false"),
"__meta_dockerswarm_node_manager_reachability": model.LabelValue("reachable"),
"__meta_dockerswarm_node_platform_architecture": model.LabelValue("x86_64"),
"__meta_dockerswarm_node_platform_os": model.LabelValue("linux"),
"__meta_dockerswarm_node_role": model.LabelValue("manager"),
"__meta_dockerswarm_node_status": model.LabelValue("ready"),
},
{
"__address__": model.LabelValue("10.0.232.4:80"),
"__meta_dockerswarm_node_address": model.LabelValue("10.0.232.4"),
"__meta_dockerswarm_node_availability": model.LabelValue("active"),
"__meta_dockerswarm_node_engine_version": model.LabelValue("19.03.11"),
"__meta_dockerswarm_node_hostname": model.LabelValue("worker-1"),
"__meta_dockerswarm_node_id": model.LabelValue("jkc2xd7p3xdazf0u6sh1m9dmr"),
"__meta_dockerswarm_node_platform_architecture": model.LabelValue("x86_64"),
"__meta_dockerswarm_node_platform_os": model.LabelValue("linux"),
"__meta_dockerswarm_node_role": model.LabelValue("worker"),
"__meta_dockerswarm_node_status": model.LabelValue("ready"),
},
{
"__address__": model.LabelValue("10.0.232.5:80"),
"__meta_dockerswarm_node_address": model.LabelValue("10.0.232.5"),
"__meta_dockerswarm_node_availability": model.LabelValue("active"),
"__meta_dockerswarm_node_engine_version": model.LabelValue("19.03.11"),
"__meta_dockerswarm_node_hostname": model.LabelValue("worker-2"),
"__meta_dockerswarm_node_id": model.LabelValue("ldawcom10uqi6owysgi28n4ve"),
"__meta_dockerswarm_node_platform_architecture": model.LabelValue("x86_64"),
"__meta_dockerswarm_node_platform_os": model.LabelValue("linux"),
"__meta_dockerswarm_node_role": model.LabelValue("worker"),
"__meta_dockerswarm_node_status": model.LabelValue("ready"),
},
} {
t.Run(fmt.Sprintf("item %d", i), func(t *testing.T) {
require.Equal(t, lbls, tg.Targets[i])
})
}
}