prometheus/discovery/dockerswarm/services_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

237 lines
17 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 TestDockerSwarmSDServicesRefresh(t *testing.T) {
sdmock := NewSDMock(t, "swarmprom")
sdmock.Setup()
e := sdmock.Endpoint()
url := e[:len(e)-1]
cfgString := fmt.Sprintf(`
---
role: services
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, 10, len(tg.Targets))
for i, lbls := range []model.LabelSet{
{
"__address__": model.LabelValue("10.0.0.7:9100"),
"__meta_dockerswarm_network_id": model.LabelValue("qvwhwd6p61k4o0ulsknqb066z"),
"__meta_dockerswarm_network_ingress": model.LabelValue("true"),
"__meta_dockerswarm_network_internal": model.LabelValue("false"),
"__meta_dockerswarm_network_name": model.LabelValue("ingress"),
"__meta_dockerswarm_network_scope": model.LabelValue("swarm"),
"__meta_dockerswarm_service_endpoint_port_name": model.LabelValue(""),
"__meta_dockerswarm_service_endpoint_port_publish_mode": model.LabelValue("ingress"),
"__meta_dockerswarm_service_id": model.LabelValue("3qvd7bwfptmoht16t1f7jllb6"),
"__meta_dockerswarm_service_label_com_docker_stack_image": model.LabelValue("stefanprodan/swarmprom-node-exporter:v0.16.0"),
"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_node-exporter"),
"__meta_dockerswarm_service_mode": model.LabelValue("global"),
"__meta_dockerswarm_service_task_container_hostname": model.LabelValue(""),
"__meta_dockerswarm_service_task_container_image": model.LabelValue("stefanprodan/swarmprom-node-exporter:v0.16.0@sha256:1d2518ec0501dd848e718bf008df37852b1448c862d6f256f2d39244975758d6"),
},
{
"__address__": model.LabelValue("10.0.1.2:9100"),
"__meta_dockerswarm_network_id": model.LabelValue("npq2closzy836m07eaq1425k3"),
"__meta_dockerswarm_network_ingress": model.LabelValue("false"),
"__meta_dockerswarm_network_internal": model.LabelValue("false"),
"__meta_dockerswarm_network_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_network_name": model.LabelValue("mon_net"),
"__meta_dockerswarm_network_scope": model.LabelValue("swarm"),
"__meta_dockerswarm_service_endpoint_port_name": model.LabelValue(""),
"__meta_dockerswarm_service_endpoint_port_publish_mode": model.LabelValue("ingress"),
"__meta_dockerswarm_service_id": model.LabelValue("3qvd7bwfptmoht16t1f7jllb6"),
"__meta_dockerswarm_service_label_com_docker_stack_image": model.LabelValue("stefanprodan/swarmprom-node-exporter:v0.16.0"),
"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_node-exporter"),
"__meta_dockerswarm_service_mode": model.LabelValue("global"),
"__meta_dockerswarm_service_task_container_hostname": model.LabelValue(""),
"__meta_dockerswarm_service_task_container_image": model.LabelValue("stefanprodan/swarmprom-node-exporter:v0.16.0@sha256:1d2518ec0501dd848e718bf008df37852b1448c862d6f256f2d39244975758d6"),
},
{
"__address__": model.LabelValue("10.0.0.13:9090"),
"__meta_dockerswarm_network_id": model.LabelValue("qvwhwd6p61k4o0ulsknqb066z"),
"__meta_dockerswarm_network_ingress": model.LabelValue("true"),
"__meta_dockerswarm_network_internal": model.LabelValue("false"),
"__meta_dockerswarm_network_name": model.LabelValue("ingress"),
"__meta_dockerswarm_network_scope": model.LabelValue("swarm"),
"__meta_dockerswarm_service_endpoint_port_name": model.LabelValue(""),
"__meta_dockerswarm_service_endpoint_port_publish_mode": model.LabelValue("ingress"),
"__meta_dockerswarm_service_id": model.LabelValue("tkv91uso46cck763aaqcb4rek"),
"__meta_dockerswarm_service_label_com_docker_stack_image": model.LabelValue("stefanprodan/caddy"),
"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_caddy"),
"__meta_dockerswarm_service_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_task_container_hostname": model.LabelValue(""),
"__meta_dockerswarm_service_task_container_image": model.LabelValue("stefanprodan/caddy:latest@sha256:44541cfacb66f4799f81f17fcfb3cb757ccc8f327592745549f5930c42d115c9"),
},
{
"__address__": model.LabelValue("10.0.1.15:9090"),
"__meta_dockerswarm_network_id": model.LabelValue("npq2closzy836m07eaq1425k3"),
"__meta_dockerswarm_network_ingress": model.LabelValue("false"),
"__meta_dockerswarm_network_internal": model.LabelValue("false"),
"__meta_dockerswarm_network_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_network_name": model.LabelValue("mon_net"),
"__meta_dockerswarm_network_scope": model.LabelValue("swarm"),
"__meta_dockerswarm_service_endpoint_port_name": model.LabelValue(""),
"__meta_dockerswarm_service_endpoint_port_publish_mode": model.LabelValue("ingress"),
"__meta_dockerswarm_service_id": model.LabelValue("tkv91uso46cck763aaqcb4rek"),
"__meta_dockerswarm_service_label_com_docker_stack_image": model.LabelValue("stefanprodan/caddy"),
"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_caddy"),
"__meta_dockerswarm_service_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_task_container_hostname": model.LabelValue(""),
"__meta_dockerswarm_service_task_container_image": model.LabelValue("stefanprodan/caddy:latest@sha256:44541cfacb66f4799f81f17fcfb3cb757ccc8f327592745549f5930c42d115c9"),
},
{
"__address__": model.LabelValue("10.0.0.13:9093"),
"__meta_dockerswarm_network_id": model.LabelValue("qvwhwd6p61k4o0ulsknqb066z"),
"__meta_dockerswarm_network_ingress": model.LabelValue("true"),
"__meta_dockerswarm_network_internal": model.LabelValue("false"),
"__meta_dockerswarm_network_name": model.LabelValue("ingress"),
"__meta_dockerswarm_network_scope": model.LabelValue("swarm"),
"__meta_dockerswarm_service_endpoint_port_name": model.LabelValue(""),
"__meta_dockerswarm_service_endpoint_port_publish_mode": model.LabelValue("ingress"),
"__meta_dockerswarm_service_id": model.LabelValue("tkv91uso46cck763aaqcb4rek"),
"__meta_dockerswarm_service_label_com_docker_stack_image": model.LabelValue("stefanprodan/caddy"),
"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_caddy"),
"__meta_dockerswarm_service_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_task_container_hostname": model.LabelValue(""),
"__meta_dockerswarm_service_task_container_image": model.LabelValue("stefanprodan/caddy:latest@sha256:44541cfacb66f4799f81f17fcfb3cb757ccc8f327592745549f5930c42d115c9"),
},
{
"__address__": model.LabelValue("10.0.1.15:9093"),
"__meta_dockerswarm_network_id": model.LabelValue("npq2closzy836m07eaq1425k3"),
"__meta_dockerswarm_network_ingress": model.LabelValue("false"),
"__meta_dockerswarm_network_internal": model.LabelValue("false"),
"__meta_dockerswarm_network_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_network_name": model.LabelValue("mon_net"),
"__meta_dockerswarm_network_scope": model.LabelValue("swarm"),
"__meta_dockerswarm_service_endpoint_port_name": model.LabelValue(""),
"__meta_dockerswarm_service_endpoint_port_publish_mode": model.LabelValue("ingress"),
"__meta_dockerswarm_service_id": model.LabelValue("tkv91uso46cck763aaqcb4rek"),
"__meta_dockerswarm_service_label_com_docker_stack_image": model.LabelValue("stefanprodan/caddy"),
"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_caddy"),
"__meta_dockerswarm_service_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_task_container_hostname": model.LabelValue(""),
"__meta_dockerswarm_service_task_container_image": model.LabelValue("stefanprodan/caddy:latest@sha256:44541cfacb66f4799f81f17fcfb3cb757ccc8f327592745549f5930c42d115c9"),
},
{
"__address__": model.LabelValue("10.0.0.13:9094"),
"__meta_dockerswarm_network_id": model.LabelValue("qvwhwd6p61k4o0ulsknqb066z"),
"__meta_dockerswarm_network_ingress": model.LabelValue("true"),
"__meta_dockerswarm_network_internal": model.LabelValue("false"),
"__meta_dockerswarm_network_name": model.LabelValue("ingress"),
"__meta_dockerswarm_network_scope": model.LabelValue("swarm"),
"__meta_dockerswarm_service_endpoint_port_name": model.LabelValue(""),
"__meta_dockerswarm_service_endpoint_port_publish_mode": model.LabelValue("ingress"),
"__meta_dockerswarm_service_id": model.LabelValue("tkv91uso46cck763aaqcb4rek"),
"__meta_dockerswarm_service_label_com_docker_stack_image": model.LabelValue("stefanprodan/caddy"),
"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_caddy"),
"__meta_dockerswarm_service_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_task_container_hostname": model.LabelValue(""),
"__meta_dockerswarm_service_task_container_image": model.LabelValue("stefanprodan/caddy:latest@sha256:44541cfacb66f4799f81f17fcfb3cb757ccc8f327592745549f5930c42d115c9"),
},
{
"__address__": model.LabelValue("10.0.1.15:9094"),
"__meta_dockerswarm_network_id": model.LabelValue("npq2closzy836m07eaq1425k3"),
"__meta_dockerswarm_network_ingress": model.LabelValue("false"),
"__meta_dockerswarm_network_internal": model.LabelValue("false"),
"__meta_dockerswarm_network_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_network_name": model.LabelValue("mon_net"),
"__meta_dockerswarm_network_scope": model.LabelValue("swarm"),
"__meta_dockerswarm_service_endpoint_port_name": model.LabelValue(""),
"__meta_dockerswarm_service_endpoint_port_publish_mode": model.LabelValue("ingress"),
"__meta_dockerswarm_service_id": model.LabelValue("tkv91uso46cck763aaqcb4rek"),
"__meta_dockerswarm_service_label_com_docker_stack_image": model.LabelValue("stefanprodan/caddy"),
"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_caddy"),
"__meta_dockerswarm_service_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_task_container_hostname": model.LabelValue(""),
"__meta_dockerswarm_service_task_container_image": model.LabelValue("stefanprodan/caddy:latest@sha256:44541cfacb66f4799f81f17fcfb3cb757ccc8f327592745549f5930c42d115c9"),
},
{
"__address__": model.LabelValue("10.0.0.15:3000"),
"__meta_dockerswarm_network_id": model.LabelValue("qvwhwd6p61k4o0ulsknqb066z"),
"__meta_dockerswarm_network_ingress": model.LabelValue("true"),
"__meta_dockerswarm_network_internal": model.LabelValue("false"),
"__meta_dockerswarm_network_name": model.LabelValue("ingress"),
"__meta_dockerswarm_network_scope": model.LabelValue("swarm"),
"__meta_dockerswarm_service_endpoint_port_name": model.LabelValue(""),
"__meta_dockerswarm_service_endpoint_port_publish_mode": model.LabelValue("ingress"),
"__meta_dockerswarm_service_id": model.LabelValue("uk9su5tb9ykfzew3qtmp14uzh"),
"__meta_dockerswarm_service_label_com_docker_stack_image": model.LabelValue("stefanprodan/swarmprom-grafana:5.3.4"),
"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_grafana"),
"__meta_dockerswarm_service_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_task_container_hostname": model.LabelValue(""),
"__meta_dockerswarm_service_task_container_image": model.LabelValue("stefanprodan/swarmprom-grafana:5.3.4@sha256:2aca8aa5716e6e0eed3fcdc88fec256a0a1828c491a8cf240486ae7cc473092d"),
},
{
"__address__": model.LabelValue("10.0.1.29:3000"),
"__meta_dockerswarm_network_id": model.LabelValue("npq2closzy836m07eaq1425k3"),
"__meta_dockerswarm_network_ingress": model.LabelValue("false"),
"__meta_dockerswarm_network_internal": model.LabelValue("false"),
"__meta_dockerswarm_network_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_network_name": model.LabelValue("mon_net"),
"__meta_dockerswarm_network_scope": model.LabelValue("swarm"),
"__meta_dockerswarm_service_endpoint_port_name": model.LabelValue(""),
"__meta_dockerswarm_service_endpoint_port_publish_mode": model.LabelValue("ingress"),
"__meta_dockerswarm_service_id": model.LabelValue("uk9su5tb9ykfzew3qtmp14uzh"),
"__meta_dockerswarm_service_label_com_docker_stack_image": model.LabelValue("stefanprodan/swarmprom-grafana:5.3.4"),
"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_grafana"),
"__meta_dockerswarm_service_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_task_container_hostname": model.LabelValue(""),
"__meta_dockerswarm_service_task_container_image": model.LabelValue("stefanprodan/swarmprom-grafana:5.3.4@sha256:2aca8aa5716e6e0eed3fcdc88fec256a0a1828c491a8cf240486ae7cc473092d"),
},
} {
t.Run(fmt.Sprintf("item %d", i), func(t *testing.T) {
testutil.Equals(t, lbls, tg.Targets[i])
})
}
}