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package crashreport
import (
"fmt"
"os"
"runtime"
"bytes"
"os/exec"
"path/filepath"
"errors"
"io/ioutil"
"github.com/bugsnag/bugsnag-go"
"github.com/docker/machine/libmachine/log"
"github.com/docker/machine/libmachine/shell"
"github.com/docker/machine/version"
)
const (
defaultAPIKey = "a9697f9a010c33ee218a65e5b1f3b0c1"
noreportAPIKey = "no-report"
)
type CrashReporter interface {
Send(err CrashError) error
}
// CrashError describes an error that should be reported to bugsnag
type CrashError struct {
Cause error
Command string
Context string
DriverName string
LogFilePath string
}
func (e CrashError) Error() string {
return e.Cause.Error()
}
type BugsnagCrashReporter struct {
baseDir string
apiKey string
}
// NewCrashReporter creates a new bugsnag based CrashReporter. Needs an apiKey.
var NewCrashReporter = func(baseDir string, apiKey string) CrashReporter {
if apiKey == "" {
apiKey = defaultAPIKey
}
return &BugsnagCrashReporter{
baseDir: baseDir,
apiKey: apiKey,
}
}
// Send sends a crash report to bugsnag via an http call.
func (r *BugsnagCrashReporter) Send(err CrashError) error {
if r.noReportFileExist() || r.apiKey == noreportAPIKey {
log.Debug("Opting out of crash reporting.")
return nil
}
if r.apiKey == "" {
return errors.New("no api key has been set")
}
bugsnag.Configure(bugsnag.Configuration{
APIKey: r.apiKey,
// XXX we need to abuse bugsnag metrics to get the OS/ARCH information as a usable filter
// Can do that with either "stage" or "hostname"
ReleaseStage: fmt.Sprintf("%s (%s)", runtime.GOOS, runtime.GOARCH),
ProjectPackages: []string{"github.com/docker/machine/[^v]*"},
AppVersion: version.FullVersion(),
Synchronous: true,
PanicHandler: func() {},
Logger: new(logger),
})
metaData := bugsnag.MetaData{}
metaData.Add("app", "compiler", fmt.Sprintf("%s (%s)", runtime.Compiler, runtime.Version()))
metaData.Add("device", "os", runtime.GOOS)
metaData.Add("device", "arch", runtime.GOARCH)
detectRunningShell(&metaData)
detectUname(&metaData)
detectOSVersion(&metaData)
addFile(err.LogFilePath, &metaData)
var buffer bytes.Buffer
for _, message := range log.History() {
buffer.WriteString(message + "\n")
}
metaData.Add("history", "trace", buffer.String())
return bugsnag.Notify(err.Cause, metaData, bugsnag.SeverityError, bugsnag.Context{String: err.Context}, bugsnag.ErrorClass{Name: fmt.Sprintf("%s/%s", err.DriverName, err.Command)})
}
func (r *BugsnagCrashReporter) noReportFileExist() bool {
optOutFilePath := filepath.Join(r.baseDir, "no-error-report")
if _, err := os.Stat(optOutFilePath); os.IsNotExist(err) {
return false
}
return true
}
func addFile(path string, metaData *bugsnag.MetaData) {
if path == "" {
return
}
file, err := os.Open(path)
if err != nil {
log.Debug(err)
return
}
data, err := ioutil.ReadAll(file)
if err != nil {
log.Debug(err)
return
}
metaData.Add("logfile", filepath.Base(path), string(data))
}
func detectRunningShell(metaData *bugsnag.MetaData) {
shell, err := shell.Detect()
if err == nil {
metaData.Add("device", "shell", shell)
}
}
func detectUname(metaData *bugsnag.MetaData) {
cmd := exec.Command("uname", "-s")
output, err := cmd.Output()
if err != nil {
return
}
metaData.Add("device", "uname", string(output))
}
func detectOSVersion(metaData *bugsnag.MetaData) {
metaData.Add("device", "os version", localOSVersion())
}
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