-
Notifications
You must be signed in to change notification settings - Fork 725
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #1012 from SomtochiAma/influxdb
Add Influxdb metric provider
- Loading branch information
Showing
8 changed files
with
339 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| /* | ||
| Copyright 2021 The Flux 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 providers | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "net/url" | ||
| "time" | ||
|
|
||
| influxdb2 "github.com/influxdata/influxdb-client-go/v2" | ||
|
|
||
| flaggerv1 "github.com/fluxcd/flagger/pkg/apis/flagger/v1beta1" | ||
| ) | ||
|
|
||
| type InfluxdbProvider struct { | ||
| client influxdb2.Client | ||
| org string | ||
| } | ||
|
|
||
| func NewInfluxdbProvider(provider flaggerv1.MetricTemplateProvider, | ||
| credentials map[string][]byte) (*InfluxdbProvider, error) { | ||
| influxURL, err := url.Parse(provider.Address) | ||
| var token string | ||
| var influxProvider InfluxdbProvider | ||
|
|
||
| if provider.Address == "" || err != nil { | ||
| return nil, fmt.Errorf("%s address %s is not a valid URL", provider.Type, provider.Address) | ||
| } | ||
|
|
||
| if provider.SecretRef != nil { | ||
| if authToken, ok := credentials["token"]; ok { | ||
| token = string(authToken) | ||
| } else { | ||
| return nil, fmt.Errorf("%s credentials does not contain an authentication token", provider.Type) | ||
| } | ||
|
|
||
| if org, ok := credentials["org"]; ok { | ||
| influxProvider.org = string(org) | ||
| } else { | ||
| return nil, fmt.Errorf("%s credentials does not contain an organisation", provider.Type) | ||
| } | ||
| } | ||
|
|
||
| client := influxdb2.NewClient(influxURL.String(), token) | ||
| influxProvider.client = client | ||
|
|
||
| return &influxProvider, nil | ||
| } | ||
|
|
||
| func (i *InfluxdbProvider) RunQuery(query string) (float64, error) { | ||
| queryAPI := i.client.QueryAPI(i.org) | ||
| ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second) | ||
| defer cancel() | ||
| result, err := queryAPI.Query(ctx, query) | ||
| if err != nil { | ||
| return 0, fmt.Errorf("error accessing influxdb query api: %s", err) | ||
| } | ||
| for result.Next() { | ||
| if result.Err() != nil { | ||
| return 0, fmt.Errorf("query error: %s", err) | ||
| } | ||
| if result.Record().Value() == nil { | ||
| return 0, fmt.Errorf("invalid response: %s: %w", result.Record().String(), ErrNoValuesFound) | ||
| } | ||
|
|
||
| if float, ok := result.Record().Value().(float64); ok { | ||
| return float, nil | ||
| } | ||
|
|
||
| return 0, fmt.Errorf("invalid response: %s", result.Record().String()) | ||
| } | ||
|
|
||
| return 0, nil | ||
| } | ||
|
|
||
| // IsOnline runs a simple query against the default bucket. | ||
| func (i *InfluxdbProvider) IsOnline() (bool, error) { | ||
| queryAPI := i.client.QueryAPI(i.org) | ||
| ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second) | ||
| defer cancel() | ||
| result, err := queryAPI.Query(ctx, `from(bucket: "default") |> range(start: -2h)`) | ||
| if err != nil { | ||
| return false, fmt.Errorf("error accessing influxdb query api: %s", err) | ||
| } | ||
| for result.Next() { | ||
| if result.Err() != nil { | ||
| return false, fmt.Errorf("query error: %s", err) | ||
| } | ||
| } | ||
|
|
||
| return true, nil | ||
| } |
Oops, something went wrong.