// Copyright 2016 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 triton import ( "context" "fmt" "net" "net/http" "net/http/httptest" "net/url" "strconv" "strings" "testing" "github.com/prometheus/common/config" "github.com/prometheus/common/model" "github.com/prometheus/prometheus/util/testutil" ) var ( conf = SDConfig{ Account: "testAccount", DNSSuffix: "triton.example.com", Endpoint: "127.0.0.1", Port: 443, Version: 1, RefreshInterval: 1, TLSConfig: config.TLSConfig{InsecureSkipVerify: true}, } badconf = SDConfig{ Account: "badTestAccount", DNSSuffix: "bad.triton.example.com", Endpoint: "127.0.0.1", Port: 443, Version: 1, RefreshInterval: 1, TLSConfig: config.TLSConfig{ InsecureSkipVerify: false, KeyFile: "shouldnotexist.key", CAFile: "shouldnotexist.ca", CertFile: "shouldnotexist.cert", }, } groupsconf = SDConfig{ Account: "testAccount", DNSSuffix: "triton.example.com", Endpoint: "127.0.0.1", Groups: []string{"foo", "bar"}, Port: 443, Version: 1, RefreshInterval: 1, TLSConfig: config.TLSConfig{InsecureSkipVerify: true}, } ) func newTritonDiscovery(c SDConfig) (*Discovery, error) { return New(nil, &c) } func TestTritonSDNew(t *testing.T) { td, err := newTritonDiscovery(conf) testutil.Ok(t, err) testutil.Assert(t, td != nil, "") testutil.Assert(t, td.client != nil, "") testutil.Assert(t, td.interval != 0, "") testutil.Assert(t, td.sdConfig != nil, "") testutil.Equals(t, conf.Account, td.sdConfig.Account) testutil.Equals(t, conf.DNSSuffix, td.sdConfig.DNSSuffix) testutil.Equals(t, conf.Endpoint, td.sdConfig.Endpoint) testutil.Equals(t, conf.Port, td.sdConfig.Port) } func TestTritonSDNewBadConfig(t *testing.T) { td, err := newTritonDiscovery(badconf) testutil.NotOk(t, err) testutil.Assert(t, td == nil, "") } func TestTritonSDNewGroupsConfig(t *testing.T) { td, err := newTritonDiscovery(groupsconf) testutil.Ok(t, err) testutil.Assert(t, td != nil, "") testutil.Assert(t, td.client != nil, "") testutil.Assert(t, td.interval != 0, "") testutil.Assert(t, td.sdConfig != nil, "") testutil.Equals(t, groupsconf.Account, td.sdConfig.Account) testutil.Equals(t, groupsconf.DNSSuffix, td.sdConfig.DNSSuffix) testutil.Equals(t, groupsconf.Endpoint, td.sdConfig.Endpoint) testutil.Equals(t, groupsconf.Groups, td.sdConfig.Groups) testutil.Equals(t, groupsconf.Port, td.sdConfig.Port) } func TestTritonSDRefreshNoTargets(t *testing.T) { tgts := testTritonSDRefresh(t, "{\"containers\":[]}") testutil.Assert(t, tgts == nil, "") } func TestTritonSDRefreshMultipleTargets(t *testing.T) { var ( dstr = `{"containers":[ { "groups":["foo","bar","baz"], "server_uuid":"44454c4c-5000-104d-8037-b7c04f5a5131", "vm_alias":"server01", "vm_brand":"lx", "vm_image_uuid":"7b27a514-89d7-11e6-bee6-3f96f367bee7", "vm_uuid":"ad466fbf-46a2-4027-9b64-8d3cdb7e9072" }, { "server_uuid":"a5894692-bd32-4ca1-908a-e2dda3c3a5e6", "vm_alias":"server02", "vm_brand":"kvm", "vm_image_uuid":"a5894692-bd32-4ca1-908a-e2dda3c3a5e6", "vm_uuid":"7b27a514-89d7-11e6-bee6-3f96f367bee7" }] }` ) tgts := testTritonSDRefresh(t, dstr) testutil.Assert(t, tgts != nil, "") testutil.Equals(t, 2, len(tgts)) } func TestTritonSDRefreshNoServer(t *testing.T) { var ( td, _ = newTritonDiscovery(conf) ) _, err := td.refresh(context.Background()) testutil.NotOk(t, err) testutil.Equals(t, strings.Contains(err.Error(), "an error occurred when requesting targets from the discovery endpoint"), true) } func TestTritonSDRefreshCancelled(t *testing.T) { var ( td, _ = newTritonDiscovery(conf) ) ctx, cancel := context.WithCancel(context.Background()) cancel() _, err := td.refresh(ctx) testutil.NotOk(t, err) testutil.Equals(t, strings.Contains(err.Error(), context.Canceled.Error()), true) } func testTritonSDRefresh(t *testing.T, dstr string) []model.LabelSet { var ( td, _ = newTritonDiscovery(conf) s = httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { fmt.Fprintln(w, dstr) })) ) defer s.Close() u, err := url.Parse(s.URL) testutil.Ok(t, err) testutil.Assert(t, u != nil, "") host, strport, err := net.SplitHostPort(u.Host) testutil.Ok(t, err) testutil.Assert(t, host != "", "") testutil.Assert(t, strport != "", "") port, err := strconv.Atoi(strport) testutil.Ok(t, err) testutil.Assert(t, port != 0, "") td.sdConfig.Port = port tgs, err := td.refresh(context.Background()) testutil.Ok(t, err) testutil.Equals(t, 1, len(tgs)) tg := tgs[0] testutil.Assert(t, tg != nil, "") return tg.Targets }