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Fix gometalinter issues

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Signed-off-by: Madhu Rajanna <mrajanna@redhat.com>
This commit is contained in:
Madhu Rajanna
2019-01-29 01:25:10 +05:30
parent 7a0c233c27
commit ca2e475296
9 changed files with 214 additions and 136 deletions
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38
pkg/rbd/rbd_attach.go
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@ -61,6 +61,7 @@ func getRbdDevFromImageAndPool(pool string, image string) (string, bool) {
name := f.Name()
// First match pool, then match name.
poolFile := path.Join(sysPath, name, "pool")
// #nosec
poolBytes, err := ioutil.ReadFile(poolFile)
if err != nil {
glog.V(4).Infof("error reading %s: %v", poolFile, err)
@ -71,6 +72,7 @@ func getRbdDevFromImageAndPool(pool string, image string) (string, bool) {
continue
}
imgFile := path.Join(sysPath, name, "name")
// #nosec
imgBytes, err := ioutil.ReadFile(imgFile)
if err != nil {
glog.V(4).Infof("error reading %s: %v", imgFile, err)
@ -140,12 +142,14 @@ func getNbdDevFromImageAndPool(pool string, image string) (string, bool) {
glog.V(4).Infof("error reading nbd info directory %s: %v", nbdPath, err)
continue
}
// #nosec
pidBytes, err := ioutil.ReadFile(path.Join(nbdPath, "pid"))
if err != nil {
glog.V(5).Infof("did not find valid pid file in dir %s: %v", nbdPath, err)
continue
}
cmdlineFileName := path.Join(hostRootFS, "/proc", strings.TrimSpace(string(pidBytes)), "cmdline")
// #nosec
rawCmdline, err := ioutil.ReadFile(cmdlineFileName)
if err != nil {
glog.V(4).Infof("failed to read cmdline file %s: %v", cmdlineFileName, err)
@ -246,22 +250,11 @@ func attachRBDImage(volOptions *rbdVolume, userID string, credentials map[string
Factor: rbdImageWatcherFactor,
Steps: rbdImageWatcherSteps,
}
err := wait.ExponentialBackoff(backoff, func() (bool, error) {
used, rbdOutput, err := rbdStatus(volOptions, userID, credentials)
if err != nil {
return false, fmt.Errorf("fail to check rbd image status with: (%v), rbd output: (%s)", err, rbdOutput)
}
return !used, nil
})
// return error if rbd image has not become available for the specified timeout
if err == wait.ErrWaitTimeout {
return "", fmt.Errorf("rbd image %s is still being used", imagePath)
}
// return error if any other errors were encountered during wating for the image to become available
err := waitForrbdImage(backoff, volOptions, userID, credentials)
if err != nil {
return "", err
}
mon, err := getMon(volOptions, credentials)
if err != nil {
return "", err
@ -287,6 +280,25 @@ func attachRBDImage(volOptions *rbdVolume, userID string, credentials map[string
return devicePath, nil
}
func waitForrbdImage(backoff wait.Backoff, volOptions *rbdVolume, userID string, credentials map[string]string) error {
image := volOptions.VolName
imagePath := fmt.Sprintf("%s/%s", volOptions.Pool, image)
err := wait.ExponentialBackoff(backoff, func() (bool, error) {
used, rbdOutput, err := rbdStatus(volOptions, userID, credentials)
if err != nil {
return false, fmt.Errorf("fail to check rbd image status with: (%v), rbd output: (%s)", err, rbdOutput)
}
return !used, nil
})
// return error if rbd image has not become available for the specified timeout
if err == wait.ErrWaitTimeout {
return fmt.Errorf("rbd image %s is still being used", imagePath)
}
// return error if any other errors were encountered during waiting for the image to become available
return err
}
func detachRBDDevice(devicePath string) error {
var err error
var output []byte