// 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 linode import ( "context" "fmt" "net/url" "testing" "github.com/prometheus/client_golang/prometheus" "github.com/prometheus/common/config" "github.com/prometheus/common/model" "github.com/prometheus/common/promslog" "github.com/stretchr/testify/require" "github.com/prometheus/prometheus/discovery" ) func TestLinodeSDRefresh(t *testing.T) { sdmock := NewSDMock(t) sdmock.Setup() tests := map[string]struct { region string targetCount int want []model.LabelSet }{ "no_region": {region: "", targetCount: 4, want: []model.LabelSet{ { "__address__": model.LabelValue("45.33.82.151:80"), "__meta_linode_instance_id": model.LabelValue("26838044"), "__meta_linode_instance_label": model.LabelValue("prometheus-linode-sd-exporter-1"), "__meta_linode_image": model.LabelValue("linode/arch"), "__meta_linode_private_ipv4": model.LabelValue("192.168.170.51"), "__meta_linode_public_ipv4": model.LabelValue("45.33.82.151"), "__meta_linode_public_ipv6": model.LabelValue("2600:3c03::f03c:92ff:fe1a:1382"), "__meta_linode_private_ipv4_rdns": model.LabelValue(""), "__meta_linode_public_ipv4_rdns": model.LabelValue("li1028-151.members.linode.com"), "__meta_linode_public_ipv6_rdns": model.LabelValue(""), "__meta_linode_region": model.LabelValue("us-east"), "__meta_linode_type": model.LabelValue("g6-standard-2"), "__meta_linode_status": model.LabelValue("running"), "__meta_linode_tags": model.LabelValue(",monitoring,"), "__meta_linode_group": model.LabelValue(""), "__meta_linode_gpus": model.LabelValue("0"), "__meta_linode_hypervisor": model.LabelValue("kvm"), "__meta_linode_backups": model.LabelValue("disabled"), "__meta_linode_specs_disk_bytes": model.LabelValue("85899345920"), "__meta_linode_specs_memory_bytes": model.LabelValue("4294967296"), "__meta_linode_specs_vcpus": model.LabelValue("2"), "__meta_linode_specs_transfer_bytes": model.LabelValue("4194304000"), "__meta_linode_extra_ips": model.LabelValue(",96.126.108.16,192.168.201.25,"), }, { "__address__": model.LabelValue("139.162.196.43:80"), "__meta_linode_instance_id": model.LabelValue("26848419"), "__meta_linode_instance_label": model.LabelValue("prometheus-linode-sd-exporter-2"), "__meta_linode_image": model.LabelValue("linode/debian10"), "__meta_linode_private_ipv4": model.LabelValue(""), "__meta_linode_public_ipv4": model.LabelValue("139.162.196.43"), "__meta_linode_public_ipv6": model.LabelValue("2a01:7e00::f03c:92ff:fe1a:9976"), "__meta_linode_private_ipv4_rdns": model.LabelValue(""), "__meta_linode_public_ipv4_rdns": model.LabelValue("li1359-43.members.linode.com"), "__meta_linode_public_ipv6_rdns": model.LabelValue(""), "__meta_linode_region": model.LabelValue("eu-west"), "__meta_linode_type": model.LabelValue("g6-standard-2"), "__meta_linode_status": model.LabelValue("running"), "__meta_linode_tags": model.LabelValue(",monitoring,"), "__meta_linode_group": model.LabelValue(""), "__meta_linode_gpus": model.LabelValue("0"), "__meta_linode_hypervisor": model.LabelValue("kvm"), "__meta_linode_backups": model.LabelValue("disabled"), "__meta_linode_specs_disk_bytes": model.LabelValue("85899345920"), "__meta_linode_specs_memory_bytes": model.LabelValue("4294967296"), "__meta_linode_specs_vcpus": model.LabelValue("2"), "__meta_linode_specs_transfer_bytes": model.LabelValue("4194304000"), }, { "__address__": model.LabelValue("192.53.120.25:80"), "__meta_linode_instance_id": model.LabelValue("26837938"), "__meta_linode_instance_label": model.LabelValue("prometheus-linode-sd-exporter-3"), "__meta_linode_image": model.LabelValue("linode/ubuntu20.04"), "__meta_linode_private_ipv4": model.LabelValue(""), "__meta_linode_public_ipv4": model.LabelValue("192.53.120.25"), "__meta_linode_public_ipv6": model.LabelValue("2600:3c04::f03c:92ff:fe1a:fb68"), "__meta_linode_private_ipv4_rdns": model.LabelValue(""), "__meta_linode_public_ipv4_rdns": model.LabelValue("li2216-25.members.linode.com"), "__meta_linode_public_ipv6_rdns": model.LabelValue(""), "__meta_linode_region": model.LabelValue("ca-central"), "__meta_linode_type": model.LabelValue("g6-standard-1"), "__meta_linode_status": model.LabelValue("running"), "__meta_linode_tags": model.LabelValue(",monitoring,"), "__meta_linode_group": model.LabelValue(""), "__meta_linode_gpus": model.LabelValue("0"), "__meta_linode_hypervisor": model.LabelValue("kvm"), "__meta_linode_backups": model.LabelValue("disabled"), "__meta_linode_specs_disk_bytes": model.LabelValue("53687091200"), "__meta_linode_specs_memory_bytes": model.LabelValue("2147483648"), "__meta_linode_specs_vcpus": model.LabelValue("1"), "__meta_linode_specs_transfer_bytes": model.LabelValue("2097152000"), "__meta_linode_ipv6_ranges": model.LabelValue(",2600:3c04:e001:456::/64,"), }, { "__address__": model.LabelValue("66.228.47.103:80"), "__meta_linode_instance_id": model.LabelValue("26837992"), "__meta_linode_instance_label": model.LabelValue("prometheus-linode-sd-exporter-4"), "__meta_linode_image": model.LabelValue("linode/ubuntu20.04"), "__meta_linode_private_ipv4": model.LabelValue("192.168.148.94"), "__meta_linode_public_ipv4": model.LabelValue("66.228.47.103"), "__meta_linode_public_ipv6": model.LabelValue("2600:3c03::f03c:92ff:fe1a:fb4c"), "__meta_linode_private_ipv4_rdns": model.LabelValue(""), "__meta_linode_public_ipv4_rdns": model.LabelValue("li328-103.members.linode.com"), "__meta_linode_public_ipv6_rdns": model.LabelValue(""), "__meta_linode_region": model.LabelValue("us-east"), "__meta_linode_type": model.LabelValue("g6-nanode-1"), "__meta_linode_status": model.LabelValue("running"), "__meta_linode_tags": model.LabelValue(",monitoring,"), "__meta_linode_group": model.LabelValue(""), "__meta_linode_gpus": model.LabelValue("0"), "__meta_linode_hypervisor": model.LabelValue("kvm"), "__meta_linode_backups": model.LabelValue("disabled"), "__meta_linode_specs_disk_bytes": model.LabelValue("26843545600"), "__meta_linode_specs_memory_bytes": model.LabelValue("1073741824"), "__meta_linode_specs_vcpus": model.LabelValue("1"), "__meta_linode_specs_transfer_bytes": model.LabelValue("1048576000"), "__meta_linode_extra_ips": model.LabelValue(",172.104.18.104,"), "__meta_linode_ipv6_ranges": model.LabelValue(",2600:3c03:e000:123::/64,"), }, }}, "us-east": {region: "us-east", targetCount: 2, want: []model.LabelSet{ { "__address__": model.LabelValue("45.33.82.151:80"), "__meta_linode_instance_id": model.LabelValue("26838044"), "__meta_linode_instance_label": model.LabelValue("prometheus-linode-sd-exporter-1"), "__meta_linode_image": model.LabelValue("linode/arch"), "__meta_linode_private_ipv4": model.LabelValue("192.168.170.51"), "__meta_linode_public_ipv4": model.LabelValue("45.33.82.151"), "__meta_linode_public_ipv6": model.LabelValue("2600:3c03::f03c:92ff:fe1a:1382"), "__meta_linode_private_ipv4_rdns": model.LabelValue(""), "__meta_linode_public_ipv4_rdns": model.LabelValue("li1028-151.members.linode.com"), "__meta_linode_public_ipv6_rdns": model.LabelValue(""), "__meta_linode_region": model.LabelValue("us-east"), "__meta_linode_type": model.LabelValue("g6-standard-2"), "__meta_linode_status": model.LabelValue("running"), "__meta_linode_tags": model.LabelValue(",monitoring,"), "__meta_linode_group": model.LabelValue(""), "__meta_linode_gpus": model.LabelValue("0"), "__meta_linode_hypervisor": model.LabelValue("kvm"), "__meta_linode_backups": model.LabelValue("disabled"), "__meta_linode_specs_disk_bytes": model.LabelValue("85899345920"), "__meta_linode_specs_memory_bytes": model.LabelValue("4294967296"), "__meta_linode_specs_vcpus": model.LabelValue("2"), "__meta_linode_specs_transfer_bytes": model.LabelValue("4194304000"), "__meta_linode_extra_ips": model.LabelValue(",96.126.108.16,192.168.201.25,"), }, { "__address__": model.LabelValue("66.228.47.103:80"), "__meta_linode_instance_id": model.LabelValue("26837992"), "__meta_linode_instance_label": model.LabelValue("prometheus-linode-sd-exporter-4"), "__meta_linode_image": model.LabelValue("linode/ubuntu20.04"), "__meta_linode_private_ipv4": model.LabelValue("192.168.148.94"), "__meta_linode_public_ipv4": model.LabelValue("66.228.47.103"), "__meta_linode_public_ipv6": model.LabelValue("2600:3c03::f03c:92ff:fe1a:fb4c"), "__meta_linode_private_ipv4_rdns": model.LabelValue(""), "__meta_linode_public_ipv4_rdns": model.LabelValue("li328-103.members.linode.com"), "__meta_linode_public_ipv6_rdns": model.LabelValue(""), "__meta_linode_region": model.LabelValue("us-east"), "__meta_linode_type": model.LabelValue("g6-nanode-1"), "__meta_linode_status": model.LabelValue("running"), "__meta_linode_tags": model.LabelValue(",monitoring,"), "__meta_linode_group": model.LabelValue(""), "__meta_linode_gpus": model.LabelValue("0"), "__meta_linode_hypervisor": model.LabelValue("kvm"), "__meta_linode_backups": model.LabelValue("disabled"), "__meta_linode_specs_disk_bytes": model.LabelValue("26843545600"), "__meta_linode_specs_memory_bytes": model.LabelValue("1073741824"), "__meta_linode_specs_vcpus": model.LabelValue("1"), "__meta_linode_specs_transfer_bytes": model.LabelValue("1048576000"), "__meta_linode_extra_ips": model.LabelValue(",172.104.18.104,"), "__meta_linode_ipv6_ranges": model.LabelValue(",2600:3c03:e000:123::/64,"), }, }}, "us-central": {region: "ca-central", targetCount: 1, want: []model.LabelSet{ { "__address__": model.LabelValue("192.53.120.25:80"), "__meta_linode_instance_id": model.LabelValue("26837938"), "__meta_linode_instance_label": model.LabelValue("prometheus-linode-sd-exporter-3"), "__meta_linode_image": model.LabelValue("linode/ubuntu20.04"), "__meta_linode_private_ipv4": model.LabelValue(""), "__meta_linode_public_ipv4": model.LabelValue("192.53.120.25"), "__meta_linode_public_ipv6": model.LabelValue("2600:3c04::f03c:92ff:fe1a:fb68"), "__meta_linode_private_ipv4_rdns": model.LabelValue(""), "__meta_linode_public_ipv4_rdns": model.LabelValue("li2216-25.members.linode.com"), "__meta_linode_public_ipv6_rdns": model.LabelValue(""), "__meta_linode_region": model.LabelValue("ca-central"), "__meta_linode_type": model.LabelValue("g6-standard-1"), "__meta_linode_status": model.LabelValue("running"), "__meta_linode_tags": model.LabelValue(",monitoring,"), "__meta_linode_group": model.LabelValue(""), "__meta_linode_gpus": model.LabelValue("0"), "__meta_linode_hypervisor": model.LabelValue("kvm"), "__meta_linode_backups": model.LabelValue("disabled"), "__meta_linode_specs_disk_bytes": model.LabelValue("53687091200"), "__meta_linode_specs_memory_bytes": model.LabelValue("2147483648"), "__meta_linode_specs_vcpus": model.LabelValue("1"), "__meta_linode_specs_transfer_bytes": model.LabelValue("2097152000"), "__meta_linode_ipv6_ranges": model.LabelValue(",2600:3c04:e001:456::/64,"), }, }}, } for _, tc := range tests { cfg := DefaultSDConfig if tc.region != "" { cfg.Region = tc.region } cfg.HTTPClientConfig.Authorization = &config.Authorization{ Credentials: tokenID, Type: "Bearer", } 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 := NewDiscovery(&cfg, promslog.NewNopLogger(), metrics) require.NoError(t, err) endpoint, err := url.Parse(sdmock.Endpoint()) require.NoError(t, err) d.client.SetBaseURL(endpoint.String()) tgs, err := d.refresh(context.Background()) 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, tc.targetCount) for i, lbls := range tc.want { t.Run(fmt.Sprintf("item %d", i), func(t *testing.T) { require.Equal(t, lbls, tg.Targets[i]) }) } } }