prometheus/discovery/dockerswarm/nodes_test.go
Julien Pivotto 93ecf0e14c
Refactor dockerswarm refresh for testing (#7541)
We were missing testing on the behaviour of the configuration
unmarshalling.

This PR adds a refresh command that can be used to test that we
use the correct refresh function.

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>
2020-07-09 13:01:08 +02:00

131 lines
6.4 KiB
Go

// 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 dockerswarm
import (
"context"
"fmt"
"testing"
"github.com/go-kit/kit/log"
"github.com/prometheus/common/model"
"github.com/prometheus/prometheus/util/testutil"
"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 SDConfig
testutil.Ok(t, yaml.Unmarshal([]byte(cfgString), &cfg))
d, err := NewDiscovery(&cfg, log.NewNopLogger())
testutil.Ok(t, err)
ctx := context.Background()
tgs, err := d.refresh(ctx)
testutil.Ok(t, err)
testutil.Equals(t, 1, len(tgs))
tg := tgs[0]
testutil.Assert(t, tg != nil, "tg should not be nil")
testutil.Assert(t, tg.Targets != nil, "tg.targets should not be nil")
testutil.Equals(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) {
testutil.Equals(t, lbls, tg.Targets[i])
})
}
}