prometheus/discovery/hetzner/hcloud_test.go

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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 hetzner
import (
"context"
"fmt"
"testing"
"github.com/go-kit/kit/log"
"github.com/prometheus/common/model"
"github.com/stretchr/testify/require"
)
type hcloudSDTestSuite struct {
Mock *SDMock
}
func (s *hcloudSDTestSuite) SetupTest(t *testing.T) {
s.Mock = NewSDMock(t)
s.Mock.Setup()
s.Mock.HandleHcloudServers()
s.Mock.HandleHcloudNetworks()
}
func TestHCloudSDRefresh(t *testing.T) {
suite := &hcloudSDTestSuite{}
suite.SetupTest(t)
cfg := DefaultSDConfig
cfg.HTTPClientConfig.BearerToken = hcloudTestToken
cfg.hcloudEndpoint = suite.Mock.Endpoint()
d, err := newHcloudDiscovery(&cfg, log.NewNopLogger())
require.NoError(t, err)
targetGroups, err := d.refresh(context.Background())
require.NoError(t, err)
require.Equal(t, 1, len(targetGroups))
targetGroup := targetGroups[0]
require.NotNil(t, targetGroup, "targetGroup should not be nil")
require.NotNil(t, targetGroup.Targets, "targetGroup.targets should not be nil")
require.Equal(t, 3, len(targetGroup.Targets))
for i, labelSet := range []model.LabelSet{
{
"__address__": model.LabelValue("1.2.3.4:80"),
"__meta_hetzner_role": model.LabelValue("hcloud"),
"__meta_hetzner_server_id": model.LabelValue("42"),
"__meta_hetzner_server_name": model.LabelValue("my-server"),
"__meta_hetzner_server_status": model.LabelValue("running"),
"__meta_hetzner_public_ipv4": model.LabelValue("1.2.3.4"),
"__meta_hetzner_public_ipv6_network": model.LabelValue("2001:db8::/64"),
"__meta_hetzner_datacenter": model.LabelValue("fsn1-dc8"),
"__meta_hetzner_hcloud_image_name": model.LabelValue("ubuntu-20.04"),
"__meta_hetzner_hcloud_image_description": model.LabelValue("Ubuntu 20.04 Standard 64 bit"),
"__meta_hetzner_hcloud_image_os_flavor": model.LabelValue("ubuntu"),
"__meta_hetzner_hcloud_image_os_version": model.LabelValue("20.04"),
"__meta_hetzner_hcloud_datacenter_location": model.LabelValue("fsn1"),
"__meta_hetzner_hcloud_datacenter_location_network_zone": model.LabelValue("eu-central"),
"__meta_hetzner_hcloud_cpu_cores": model.LabelValue("1"),
"__meta_hetzner_hcloud_cpu_type": model.LabelValue("shared"),
"__meta_hetzner_hcloud_memory_size_gb": model.LabelValue("1"),
"__meta_hetzner_hcloud_disk_size_gb": model.LabelValue("25"),
"__meta_hetzner_hcloud_server_type": model.LabelValue("cx11"),
"__meta_hetzner_hcloud_private_ipv4_mynet": model.LabelValue("10.0.0.2"),
"__meta_hetzner_hcloud_label_my_key": model.LabelValue("my-value"),
},
{
"__address__": model.LabelValue("1.2.3.5:80"),
"__meta_hetzner_role": model.LabelValue("hcloud"),
"__meta_hetzner_server_id": model.LabelValue("44"),
"__meta_hetzner_server_name": model.LabelValue("another-server"),
"__meta_hetzner_server_status": model.LabelValue("stopped"),
"__meta_hetzner_datacenter": model.LabelValue("fsn1-dc14"),
"__meta_hetzner_public_ipv4": model.LabelValue("1.2.3.5"),
"__meta_hetzner_public_ipv6_network": model.LabelValue("2001:db9::/64"),
"__meta_hetzner_hcloud_image_name": model.LabelValue("ubuntu-20.04"),
"__meta_hetzner_hcloud_image_description": model.LabelValue("Ubuntu 20.04 Standard 64 bit"),
"__meta_hetzner_hcloud_image_os_flavor": model.LabelValue("ubuntu"),
"__meta_hetzner_hcloud_image_os_version": model.LabelValue("20.04"),
"__meta_hetzner_hcloud_datacenter_location": model.LabelValue("fsn1"),
"__meta_hetzner_hcloud_datacenter_location_network_zone": model.LabelValue("eu-central"),
"__meta_hetzner_hcloud_cpu_cores": model.LabelValue("2"),
"__meta_hetzner_hcloud_cpu_type": model.LabelValue("shared"),
"__meta_hetzner_hcloud_memory_size_gb": model.LabelValue("1"),
"__meta_hetzner_hcloud_disk_size_gb": model.LabelValue("50"),
"__meta_hetzner_hcloud_server_type": model.LabelValue("cpx11"),
},
{
"__address__": model.LabelValue("1.2.3.6:80"),
"__meta_hetzner_role": model.LabelValue("hcloud"),
"__meta_hetzner_server_id": model.LabelValue("36"),
"__meta_hetzner_server_name": model.LabelValue("deleted-image-server"),
"__meta_hetzner_server_status": model.LabelValue("stopped"),
"__meta_hetzner_datacenter": model.LabelValue("fsn1-dc14"),
"__meta_hetzner_public_ipv4": model.LabelValue("1.2.3.6"),
"__meta_hetzner_public_ipv6_network": model.LabelValue("2001:db7::/64"),
"__meta_hetzner_hcloud_datacenter_location": model.LabelValue("fsn1"),
"__meta_hetzner_hcloud_datacenter_location_network_zone": model.LabelValue("eu-central"),
"__meta_hetzner_hcloud_cpu_cores": model.LabelValue("2"),
"__meta_hetzner_hcloud_cpu_type": model.LabelValue("shared"),
"__meta_hetzner_hcloud_memory_size_gb": model.LabelValue("1"),
"__meta_hetzner_hcloud_disk_size_gb": model.LabelValue("50"),
"__meta_hetzner_hcloud_server_type": model.LabelValue("cpx11"),
},
} {
t.Run(fmt.Sprintf("item %d", i), func(t *testing.T) {
require.Equal(t, labelSet, targetGroup.Targets[i])
})
}
}