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prometheus/discovery/dockerswarm/services_test.go
Julien Pivotto 924e7239b7
Docker Swarm SD: Support tasks and service without published ports (#7686) 
* Support tasks and service without published ports

Mimics k8s discovery behaviour.

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>
2020-07-29 20:56:30 +02:00

317 lines
25 KiB
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 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, 15, 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_mode": model.LabelValue("global"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_node-exporter"),
"__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_mode": model.LabelValue("global"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_node-exporter"),
"__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("10.0.1.34:80"),
"__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_id": model.LabelValue("9bbq7j55tzzz85k2gg52x73rg"),
"__meta_dockerswarm_service_label_com_docker_stack_image": model.LabelValue("cloudflare/unsee:v0.8.0"),
"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_service_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_unsee"),
"__meta_dockerswarm_service_task_container_hostname": model.LabelValue(""),
"__meta_dockerswarm_service_task_container_image": model.LabelValue("cloudflare/unsee:v0.8.0@sha256:28398f47f63feb1647887999701fa730da351fc6d3cc7228e5da44b40a663ada"),
},
{
"__address__": model.LabelValue("10.0.1.13:80"),
"__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_id": model.LabelValue("hv645udwaaewyw7wuc6nspm68"),
"__meta_dockerswarm_service_label_com_docker_stack_image": model.LabelValue("stefanprodan/swarmprom-prometheus:v2.5.0"),
"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_service_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_prometheus"),
"__meta_dockerswarm_service_task_container_hostname": model.LabelValue(""),
"__meta_dockerswarm_service_task_container_image": model.LabelValue("stefanprodan/swarmprom-prometheus:v2.5.0@sha256:f1a3781c4785637ba088dcf54889f77d9b6b69f21b2c0a167c1347473f4e2587"),
},
{
"__address__": model.LabelValue("10.0.1.23:80"),
"__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_id": model.LabelValue("iml8vdd2dudvq457sbirpf66z"),
"__meta_dockerswarm_service_label_com_docker_stack_image": model.LabelValue("google/cadvisor"),
"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_service_mode": model.LabelValue("global"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_cadvisor"),
"__meta_dockerswarm_service_task_container_hostname": model.LabelValue(""),
"__meta_dockerswarm_service_task_container_image": model.LabelValue("google/cadvisor:latest@sha256:815386ebbe9a3490f38785ab11bda34ec8dacf4634af77b8912832d4f85dca04"),
},
{
"__address__": model.LabelValue("10.0.1.31:80"),
"__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_id": model.LabelValue("rl4jhdws3r4lkfvq8kx6c4xnr"),
"__meta_dockerswarm_service_label_com_docker_stack_image": model.LabelValue("stefanprodan/swarmprom-alertmanager:v0.14.0"),
"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
"__meta_dockerswarm_service_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_alertmanager"),
"__meta_dockerswarm_service_task_container_hostname": model.LabelValue(""),
"__meta_dockerswarm_service_task_container_image": model.LabelValue("stefanprodan/swarmprom-alertmanager:v0.14.0@sha256:7069b656bd5df0606ff1db81a7553a25dc72be51d3aca6a7e08d776566cefbd8"),
},
{
"__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_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_caddy"),
"__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_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_caddy"),
"__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_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_caddy"),
"__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_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_caddy"),
"__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_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_caddy"),
"__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_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_caddy"),
"__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_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_grafana"),
"__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_mode": model.LabelValue("replicated"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_grafana"),
"__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("10.0.1.17:80"),
"__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_id": model.LabelValue("ul5qawv4s7f7msm7dtyfarw80"),
"__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_mode": model.LabelValue("global"),
"__meta_dockerswarm_service_name": model.LabelValue("mon_dockerd-exporter"),
"__meta_dockerswarm_service_task_container_hostname": model.LabelValue(""),
"__meta_dockerswarm_service_task_container_image": model.LabelValue("stefanprodan/caddy:latest@sha256:44541cfacb66f4799f81f17fcfb3cb757ccc8f327592745549f5930c42d115c9"),
},
} {
t.Run(fmt.Sprintf("item %d", i), func(t *testing.T) {
testutil.Equals(t, lbls, tg.Targets[i])
})
}
}
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