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package checkpoint
import (
"bytes"
"context"
"encoding/json"
"fmt"
"net/http"
"net/url"
"os"
"runtime"
"time"
"github.com/hashicorp/go-cleanhttp"
uuid "github.com/hashicorp/go-uuid"
)
// ReportParams are the parameters for configuring a telemetry report.
type ReportParams struct {
// Signature is some random signature that should be stored and used
// as a cookie-like value. This ensures that alerts aren't repeated.
// If the signature is changed, repeat alerts may be sent down. The
// signature should NOT be anything identifiable to a user (such as
// a MAC address). It should be random.
//
// If SignatureFile is given, then the signature will be read from this
// file. If the file doesn't exist, then a random signature will
// automatically be generated and stored here. SignatureFile will be
// ignored if Signature is given.
Signature string `json:"signature"`
SignatureFile string `json:"-"`
StartTime time.Time `json:"start_time"`
EndTime time.Time `json:"end_time"`
Arch string `json:"arch"`
OS string `json:"os"`
Payload interface{} `json:"payload,omitempty"`
Product string `json:"product"`
RunID string `json:"run_id"`
SchemaVersion string `json:"schema_version"`
Version string `json:"version"`
}
func (i *ReportParams) signature() string {
signature := i.Signature
if i.Signature == "" && i.SignatureFile != "" {
var err error
signature, err = checkSignature(i.SignatureFile)
if err != nil {
return ""
}
}
return signature
}
// Report sends telemetry information to checkpoint
func Report(ctx context.Context, r *ReportParams) error {
if enabled := os.Getenv("CHECKPOINT_ENABLE"); enabled == "" {
return nil
}
req, err := ReportRequest(r)
if err != nil {
return err
}
client := cleanhttp.DefaultClient()
resp, err := client.Do(req.WithContext(ctx))
if err != nil {
return err
}
if resp.StatusCode != 201 {
return fmt.Errorf("Unknown status: %d", resp.StatusCode)
}
return nil
}
// ReportRequest creates a request object for making a report
func ReportRequest(r *ReportParams) (*http.Request, error) {
// Populate some fields automatically if we can
if r.RunID == "" {
uuid, err := uuid.GenerateUUID()
if err != nil {
return nil, err
}
r.RunID = uuid
}
if r.Arch == "" {
r.Arch = runtime.GOARCH
}
if r.OS == "" {
r.OS = runtime.GOOS
}
if r.Signature == "" {
r.Signature = r.signature()
}
b, err := json.Marshal(r)
if err != nil {
return nil, err
}
u := &url.URL{
Scheme: "https",
Host: "checkpoint-api.hashicorp.com",
Path: fmt.Sprintf("/v1/telemetry/%s", r.Product),
}
req, err := http.NewRequest("POST", u.String(), bytes.NewReader(b))
if err != nil {
return nil, err
}
req.Header.Set("Accept", "application/json")
req.Header.Set("User-Agent", "HashiCorp/go-checkpoint")
return req, nil
}
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