| // Copyright Istio 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 prometheus |
| |
| import ( |
| v1 "github.com/prometheus/client_golang/api/prometheus/v1" |
| prom "github.com/prometheus/common/model" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-pixiu/pkg/test" |
| "github.com/apache/dubbo-go-pixiu/pkg/test/framework/components/cluster" |
| "github.com/apache/dubbo-go-pixiu/pkg/test/framework/resource" |
| ) |
| |
| type Instance interface { |
| resource.Resource |
| |
| // API Returns the core Prometheus APIs. |
| API() v1.API |
| APIForCluster(cluster cluster.Cluster) v1.API |
| |
| // Query Run the provided query against the given cluster |
| Query(cluster cluster.Cluster, query Query) (prom.Value, error) |
| |
| // QuerySum is a help around Query to compute the sum |
| QuerySum(cluster cluster.Cluster, query Query) (float64, error) |
| } |
| |
| type Config struct { |
| // If true, connect to an existing prometheus rather than creating a new one |
| SkipDeploy bool |
| } |
| |
| // New returns a new instance of prometheus. |
| func New(ctx resource.Context, c Config) (i Instance, err error) { |
| return newKube(ctx, c) |
| } |
| |
| // NewOrFail returns a new Prometheus instance or fails test. |
| func NewOrFail(t test.Failer, ctx resource.Context, c Config) Instance { |
| t.Helper() |
| i, err := New(ctx, c) |
| if err != nil { |
| t.Fatalf("prometheus.NewOrFail: %v", err) |
| } |
| |
| return i |
| } |