Sanket SudakeandGitHub
59e876062f
- Currently, fission components don't handle shutdown signals. So we don't get any to do the required cleanup before the fission process exits. Adding signal capture process with cancelling context so that all dependent processes stop working when the process gets term signal. - Set log level to error in otel shutdown function Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>
106 lines
2.3 KiB
Go
106 lines
2.3 KiB
Go
/*
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Copyright 2021 The Fission Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package tracker
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import (
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"bytes"
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"context"
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"errors"
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"net/http"
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"net/url"
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"os"
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"time"
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uuid "github.com/satori/go.uuid"
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)
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const HTTP_TIMEOUT = 5 * time.Second
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const GA_API_URL = "https://www.google-analytics.com/collect"
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const GA_TRACKING_ID = "GA_TRACKING_ID"
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var Tracker *tracker
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type (
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tracker struct {
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gaPropertyID string
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cid string
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}
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Event struct {
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Category string
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Action string
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Label string
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Value string
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}
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)
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func init() {
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id, err := uuid.NewV4()
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if err != nil {
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panic(err)
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}
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Tracker = &tracker{gaPropertyID: os.Getenv(GA_TRACKING_ID), cid: id.String()}
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}
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func (t *tracker) SendEvent(ctx context.Context, e Event) error {
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if t.gaPropertyID == "" {
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return errors.New("tracker.SendEvent: GA_TRACKING_ID env not set")
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}
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if e.Action == "" || e.Category == "" {
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return errors.New("tracker.SendEvent: category and action are required")
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}
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v := url.Values{
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"v": {"1"},
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"tid": {t.gaPropertyID},
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"cid": {t.cid},
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"t": {"event"},
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"ec": {e.Category},
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"ea": {e.Action},
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}
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if e.Label != "" {
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v.Add("el", e.Label)
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}
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if e.Value != "" {
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v.Add("ev", e.Value)
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}
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buf := bytes.NewBufferString(v.Encode())
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req, err := http.NewRequestWithContext(ctx, "POST", GA_API_URL, buf)
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req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
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req.Header.Add("User-Agent", "ga-tracker/1.0")
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if err != nil {
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return err
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}
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ctx, cancel := context.WithTimeout(req.Context(), HTTP_TIMEOUT)
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defer cancel()
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req = req.WithContext(ctx)
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client := http.DefaultClient
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resp, err := client.Do(req)
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if err != nil {
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return err
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}
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if resp.StatusCode != http.StatusOK {
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return errors.New("tracker.SendEvent: analytics response status not ok")
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}
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defer resp.Body.Close()
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return err
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}
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