/
send.go
70 lines (61 loc) · 1.97 KB
/
send.go
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// Copyright 2019-2024 The Liqo 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 telemetry
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"time"
"k8s.io/klog/v2"
)
// Send sends the telemetry item to the Liqo telemetry server.
func Send(ctx context.Context, endpoint string, item *Telemetry, timeout time.Duration) error {
body, err := json.Marshal(item)
if err != nil {
return fmt.Errorf("failed to marshal telemetry item: %w", err)
}
buff := bytes.NewBuffer(body)
httpClient := http.Client{
Timeout: timeout,
}
req, err := http.NewRequestWithContext(ctx, http.MethodPost, endpoint, buff)
if err != nil {
return fmt.Errorf("failed to create request: %w", err)
}
req.Header.Set("Content-Type", "application/json")
resp, err := httpClient.Do(req)
if err != nil {
return fmt.Errorf("failed to send telemetry item: %w", err)
}
if resp.StatusCode != http.StatusOK {
message, err := io.ReadAll(resp.Body)
if err != nil {
return fmt.Errorf("failed to send telemetry item: %w", err)
}
return fmt.Errorf("unexpected status code: %d: %s", resp.StatusCode, message)
}
if err = resp.Body.Close(); err != nil {
return fmt.Errorf("failed to close response body: %w", err)
}
prettyMarshal, err := json.MarshalIndent(item, "", " ")
if err != nil {
klog.Errorf("failed to marshal telemetry item: %s", err)
return nil
}
klog.Infof("successfully sent telemetry item %s to %s", string(prettyMarshal), endpoint)
return nil
}