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Add headers parameter for HTTP checker

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Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
This commit is contained in:
Aaron Lehmann 2015-08-19 18:23:58 -07:00
parent e8f088fea6
commit b67aab2f60
5 changed files with 36 additions and 6 deletions
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13
health/checks/checks.go
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@ -24,12 +24,21 @@ func FileChecker(f string) health.Checker {
// HTTPChecker does a HEAD request and verifies that the HTTP status code
// returned matches statusCode.
func HTTPChecker(r string, statusCode int, timeout time.Duration) health.Checker {
func HTTPChecker(r string, statusCode int, timeout time.Duration, headers http.Header) health.Checker {
return health.CheckFunc(func() error {
client := http.Client{
Timeout: timeout,
}
response, err := client.Head(r)
req, err := http.NewRequest("HEAD", r, nil)
if err != nil {
return errors.New("error creating request: " + r)
}
for headerName, headerValues := range headers {
for _, headerValue := range headerValues {
req.Header.Add(headerName, headerValue)
}
}
response, err := client.Do(req)
if err != nil {
return errors.New("error while checking: " + r)
}

4
health/checks/checks_test.go
View file

@ -15,11 +15,11 @@ func TestFileChecker(t *testing.T) {
}
func TestHTTPChecker(t *testing.T) {
if err := HTTPChecker("https://www.google.cybertron", 200, 0).Check(); err == nil {
if err := HTTPChecker("https://www.google.cybertron", 200, 0, nil).Check(); err == nil {
t.Errorf("Google on Cybertron was expected as not exists")
}
if err := HTTPChecker("https://www.google.pt", 200, 0).Check(); err != nil {
if err := HTTPChecker("https://www.google.pt", 200, 0, nil).Check(); err != nil {
t.Errorf("Google at Portugal was expected as exists, error:%v", err)
}
}