本文整理汇总了Golang中github.com/openshift/origin/pkg/diagnostics/types.DiagnosticResult.Error方法的典型用法代码示例。如果您正苦于以下问题:Golang DiagnosticResult.Error方法的具体用法?Golang DiagnosticResult.Error怎么用?Golang DiagnosticResult.Error使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/openshift/origin/pkg/diagnostics/types.DiagnosticResult
的用法示例。
在下文中一共展示了DiagnosticResult.Error方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: authenticateToMaster
// authenticateToMaster tests whether we can use the serviceaccount token
// to reach the master and authenticate
func (d PodCheckAuth) authenticateToMaster(token string, r types.DiagnosticResult) {
clientConfig := &clientcmd.Config{
MasterAddr: flagtypes.Addr{Value: d.MasterUrl}.Default(),
KubernetesAddr: flagtypes.Addr{Value: d.MasterUrl}.Default(),
CommonConfig: restclient.Config{
TLSClientConfig: restclient.TLSClientConfig{CAFile: d.MasterCaPath},
BearerToken: token,
},
}
oclient, _, _, err := clientConfig.Clients()
if err != nil {
r.Error("DP1002", err, fmt.Sprintf("could not create API clients from the service account client config: %v", err))
return
}
rchan := make(chan error, 1) // for concurrency with timeout
go func() {
_, err := oclient.Users().Get("~")
rchan <- err
}()
select {
case <-time.After(time.Second * 4): // timeout per query
r.Warn("DP1005", nil, "A request to the master timed out.\nThis could be temporary but could also indicate network or DNS problems.")
case err := <-rchan:
if err != nil {
r.Error("DP1003", err, fmt.Sprintf("Could not authenticate to the master with the service account credentials: %v", err))
} else {
r.Info("DP1004", "Service account token successfully authenticated to master")
}
}
return
}
示例2: checkRegistryLogs
func (d *ClusterRegistry) checkRegistryLogs(pod *kapi.Pod, r types.DiagnosticResult) {
// pull out logs from the pod
readCloser, err := d.KubeClient.RESTClient.Get().
Namespace("default").Name(pod.ObjectMeta.Name).
Resource("pods").SubResource("log").
Param("follow", "false").
Param("container", pod.Spec.Containers[0].Name).
Stream()
if err != nil {
r.Warn("DClu1010", nil, fmt.Sprintf(clRegPodLog, pod.ObjectMeta.Name, registryName, fmt.Sprintf("(%T) %[1]v", err)))
return
}
defer readCloser.Close()
clientError := ""
registryError := ""
scanner := bufio.NewScanner(readCloser)
for scanner.Scan() {
logLine := scanner.Text()
// TODO: once the logging API gets "since" and "tail" and "limit", limit to more recent log entries
// https://github.com/kubernetes/kubernetes/issues/12447
if strings.Contains(logLine, `level=error msg="client error:`) {
clientError = logLine // end up showing only the most recent client error
} else if strings.Contains(logLine, "level=error msg=") {
registryError += "\n" + logLine // gather generic errors
}
}
if clientError != "" {
r.Error("DClu1011", nil, fmt.Sprintf(clRegPodConn, pod.ObjectMeta.Name, registryName, clientError))
}
if registryError != "" {
r.Warn("DClu1012", nil, fmt.Sprintf(clRegPodErr, pod.ObjectMeta.Name, registryName, registryError))
}
}
示例3: unitRequiresUnit
func unitRequiresUnit(r types.DiagnosticResult, unit types.SystemdUnit, requires types.SystemdUnit, reason string) {
if (unit.Active || unit.Enabled) && !requires.Exists {
r.Error("DS3002", nil, fmt.Sprintf(sdUnitReqLoaded, unit.Name, requires.Name, reason))
} else if unit.Active && !requires.Active {
r.Error("DS3003", nil, fmt.Sprintf(sdUnitReqActive, unit.Name, requires.Name, reason))
}
}
示例4: checkKibana
//checkKibana verifies the various integration points between Kibana and logging
func checkKibana(r types.DiagnosticResult, osClient *client.Client, kClient *kclient.Client, project string) {
oauthclient, err := osClient.OAuthClients().Get(kibanaProxyOauthClientName)
if err != nil {
r.Error("AGL0115", err, fmt.Sprintf("Error retrieving the OauthClient '%s': %s. Unable to check Kibana", kibanaProxyOauthClientName, err))
return
}
checkKibanaSecret(r, osClient, kClient, project, oauthclient)
checkKibanaRoutesInOauthClient(r, osClient, project, oauthclient)
}
示例5: getRouterDC
func (d *ClusterRouter) getRouterDC(r types.DiagnosticResult) *osapi.DeploymentConfig {
dc, err := d.OsClient.DeploymentConfigs(kapi.NamespaceDefault).Get(routerName)
if err != nil && reflect.TypeOf(err) == reflect.TypeOf(&kerrs.StatusError{}) {
r.Warn("DClu2001", err, fmt.Sprintf(clGetRtNone, routerName))
return nil
} else if err != nil {
r.Error("DClu2002", err, fmt.Sprintf(clGetRtFailed, routerName, err))
return nil
}
r.Debug("DClu2003", fmt.Sprintf("Found default router DC"))
return dc
}
示例6: getRegistryService
func (d *ClusterRegistry) getRegistryService(r types.DiagnosticResult) *kapi.Service {
service, err := d.KubeClient.Services(kapi.NamespaceDefault).Get(registryName)
if err != nil && reflect.TypeOf(err) == reflect.TypeOf(&kerrs.StatusError{}) {
r.Warn("DClu1002", err, fmt.Sprintf(clGetRegNone, registryName, kapi.NamespaceDefault))
return nil
} else if err != nil {
r.Error("DClu1003", err, fmt.Sprintf(clGetRegFailed, err))
return nil
}
r.Debug("DClu1004", fmt.Sprintf("Found %s service with ports %v", registryName, service.Spec.Ports))
return service
}
示例7: checkRegistryLogs
func (d *ClusterRegistry) checkRegistryLogs(pod *kapi.Pod, r types.DiagnosticResult) {
// pull out logs from the pod
readCloser, err := d.KubeClient.RESTClient.Get().
Namespace("default").Name(pod.ObjectMeta.Name).
Resource("pods").SubResource("log").
Param("follow", "false").
Param("container", pod.Spec.Containers[0].Name).
Stream()
if err != nil {
r.Warn("DClu1010", nil, fmt.Sprintf(clRegPodLog, pod.ObjectMeta.Name, registryName, fmt.Sprintf("(%T) %[1]v", err)))
return
}
defer readCloser.Close()
// Indicator that selinux is blocking the registry from writing to disk:
selinuxErrorRegex, _ := regexp.Compile(".*level=error.*mkdir.*permission denied.*")
// If seen after the above error regex, we know the problem has since been fixed:
selinuxSuccessRegex, _ := regexp.Compile(".*level=info.*response completed.*http.request.method=PUT.*")
clientError := ""
registryError := ""
selinuxError := ""
scanner := bufio.NewScanner(readCloser)
for scanner.Scan() {
logLine := scanner.Text()
// TODO: once the logging API gets "since" and "tail" and "limit", limit to more recent log entries
// https://github.com/kubernetes/kubernetes/issues/12447
if strings.Contains(logLine, `level=error msg="client error:`) {
clientError = logLine // end up showing only the most recent client error
} else if selinuxErrorRegex.MatchString(logLine) {
selinuxError = logLine
} else if selinuxSuccessRegex.MatchString(logLine) {
// Check for a successful registry push, if this occurs after a selinux error
// we can safely clear it, the problem has already been fixed.
selinuxError = ""
} else if strings.Contains(logLine, "level=error msg=") {
registryError += "\n" + logLine // gather generic errors
}
}
if clientError != "" {
r.Error("DClu1011", nil, fmt.Sprintf(clRegPodConn, pod.ObjectMeta.Name, registryName, clientError))
}
if selinuxError != "" {
r.Error("DClu1020", nil, fmt.Sprintf(clRegSelinuxErr, pod.ObjectMeta.Name, registryName, selinuxError))
}
if registryError != "" {
r.Warn("DClu1012", nil, fmt.Sprintf(clRegPodErr, pod.ObjectMeta.Name, registryName, registryError))
}
}
示例8: GetMasterConfig
func GetMasterConfig(r types.DiagnosticResult, masterConfigFile string) (*configapi.MasterConfig, error) {
if masterConfigLoaded { // no need to do this more than once
return masterConfig, masterConfigLoadError
}
r.Debug("DH0001", fmt.Sprintf("Looking for master config file at '%s'", masterConfigFile))
masterConfigLoaded = true
masterConfig, masterConfigLoadError = configapilatest.ReadAndResolveMasterConfig(masterConfigFile)
if masterConfigLoadError != nil {
r.Error("DH0002", masterConfigLoadError, fmt.Sprintf("Could not read master config file '%s':\n(%T) %[2]v", masterConfigFile, masterConfigLoadError))
} else {
r.Debug("DH0003", fmt.Sprintf("Found a master config file: %[1]s", masterConfigFile))
}
return masterConfig, masterConfigLoadError
}
示例9: checkRegistryEndpoints
func (d *ClusterRegistry) checkRegistryEndpoints(pods []*kapi.Pod, r types.DiagnosticResult) bool {
endPoint, err := d.KubeClient.Endpoints(kapi.NamespaceDefault).Get(registryName)
if err != nil {
r.Error("DClu1013", err, fmt.Sprintf(`Finding endpoints for "%s" service failed. This should never happen. Error: (%[2]T) %[2]v`, registryName, err))
return false
}
numEP := 0
for _, subs := range endPoint.Subsets {
numEP += len(subs.Addresses)
}
if numEP != len(pods) {
r.Warn("DClu1014", nil, fmt.Sprintf(clRegNoEP, registryName, len(pods), numEP))
return false
}
return true
}
示例10: authenticateToRegistry
func (d PodCheckAuth) authenticateToRegistry(token string, r types.DiagnosticResult) {
resolvConf, err := getResolvConf(r)
if err != nil {
return // any errors have been reported via "r", env is very borked, test cannot proceed
}
msg := new(dns.Msg)
msg.SetQuestion(registryHostname+".", dns.TypeA)
msg.RecursionDesired = false
if result, completed := dnsQueryWithTimeout(msg, resolvConf.Servers[0], 2); !completed {
r.Error("DP1006", nil, fmt.Sprintf("DNS resolution for registry address %s timed out; this could indicate problems with DNS resolution or networking", registryHostname))
return
} else if len(result.in.Answer) == 0 {
r.Warn("DP1007", nil, fmt.Sprintf("DNS resolution for registry address %s returned no results; either the integrated registry is not deployed, or container DNS configuration is incorrect.", registryHostname))
return
}
// first try the secure connection in case they followed directions to secure the registry
// (https://docs.openshift.org/latest/install_config/install/docker_registry.html#securing-the-registry)
cacert, err := ioutil.ReadFile(d.MasterCaPath) // TODO: we assume same CA as master - better choice?
if err != nil {
r.Error("DP1008", err, fmt.Sprintf("Failed to read CA cert file %s:\n%v", d.MasterCaPath, err))
return
}
pool := x509.NewCertPool()
if !pool.AppendCertsFromPEM(cacert) {
r.Error("DP1009", err, fmt.Sprintf("Could not use cert from CA cert file %s:\n%v", d.MasterCaPath, err))
return
}
noSecClient := http.Client{
CheckRedirect: func(req *http.Request, via []*http.Request) error {
return fmt.Errorf("no redirect expected")
},
Timeout: time.Second * 2,
}
secClient := noSecClient
secClient.Transport = &http.Transport{TLSClientConfig: &tls.Config{RootCAs: pool}}
if secError := processRegistryRequest(&secClient, fmt.Sprintf("https://%s:%s/v2/", registryHostname, registryPort), token, r); secError == nil {
return // made the request successfully enough to diagnose
} else if strings.Contains(secError.Error(), "tls: oversized record received") {
r.Debug("DP1015", "docker-registry not secured; falling back to cleartext connection")
if nosecError := processRegistryRequest(&noSecClient, fmt.Sprintf("http://%s:%s/v2/", registryHostname, registryPort), token, r); nosecError != nil {
r.Error("DP1013", nosecError, fmt.Sprintf("Unexpected error authenticating to the integrated registry:\n(%T) %[1]v", nosecError))
}
} else {
r.Error("DP1013", secError, fmt.Sprintf("Unexpected error authenticating to the integrated registry:\n(%T) %[1]v", secError))
}
}
示例11: getResolvConf
// getResolvConf reads a clientConfig from resolv.conf and complains about any errors
func getResolvConf(r types.DiagnosticResult) (*dns.ClientConfig, error) {
resolvConf, err := dns.ClientConfigFromFile("/etc/resolv.conf")
if err != nil {
r.Error("DP3001", err, fmt.Sprintf("could not load/parse resolver file /etc/resolv.conf: %v", err))
return nil, err
}
if len(resolvConf.Servers) == 0 {
r.Error("DP3002", nil, "could not find any nameservers defined in /etc/resolv.conf")
return nil, err
}
if len(resolvConf.Search) == 0 {
r.Warn("DP3011", nil, "could not find any search domains defined in /etc/resolv.conf")
resolvConf.Search = nil
}
r.Debug("DP3012", fmt.Sprintf("Pod /etc/resolv.conf contains:\nnameservers: %v\nsearch domains: %v", resolvConf.Servers, resolvConf.Search))
return resolvConf, nil
}
示例12: resolveSearch
func resolveSearch(resolvConf *dns.ClientConfig, r types.DiagnosticResult) {
foundDomain := false
randomString := func() string {
b := make([]byte, 20)
for i := range b {
b[i] = letterBytes[rand.Intn(len(letterBytes))]
}
return string(b)
}()
seenDP2014 := sets.String{}
seenDP2015 := sets.String{}
for _, domain := range resolvConf.Search {
if domain == "svc.cluster.local" {
foundDomain = true // this will make kubernetes.default work
}
// put together a DNS query to configured nameservers for each search domain
msg := new(dns.Msg)
msg.SetQuestion("wildcard."+randomString+"."+domain+".", dns.TypeA)
msg.RecursionDesired = true // otherwise we just get the authority section for the TLD
for _, server := range resolvConf.Servers {
result, completed := dnsQueryWithTimeout(msg, server, 2)
switch {
case !completed:
if !seenDP2014.Has(server) {
r.Warn("DP2014", nil, fmt.Sprintf("A request to the nameserver %s timed out.\nThis could be temporary but could also indicate network or DNS problems.", server))
seenDP2014.Insert(server) // no need to keep warning about the same server for every domain
}
case result.err != nil:
if !seenDP2015.Has(server) {
r.Warn("DP2015", result.err, fmt.Sprintf("Error querying nameserver %s:\n %v\nThis may indicate a problem with DNS.", server, result.err))
seenDP2015.Insert(server) // don't repeat the error for the same nameserver; chances are it's the same error
}
case result.in.Answer == nil, len(result.in.Answer) == 0:
r.Debug("DP2017", fmt.Sprintf("Nameserver %s responded to wildcard with no answer, which is expected.\n%v", server, result.in))
default: // the random domain is not supposed to resolve
r.Error("DP2016", nil, fmt.Sprintf(txtDP2016, server, domain, result.in))
}
}
}
if !foundDomain {
r.Error("DP2019", nil, "Did not find svc.cluster.local among the configured search domains in /etc/resolv.conf.\nThis is likely to cause problems with certain components that expect to use partial cluster addresses.")
}
}
示例13: checkRouterLogs
func (d *ClusterRouter) checkRouterLogs(pod *kapi.Pod, r types.DiagnosticResult) {
scanner, err := d.getPodLogScanner(pod)
if err != nil {
r.Warn("DClu2008", err, fmt.Sprintf(clRtPodLog, pod.ObjectMeta.Name, fmt.Sprintf("(%T) %[1]v", err)))
return
}
defer scanner.Close()
for scanner.Scan() {
matches := regexp.MustCompile(`^(\S+).*Failed to list \*api.Route: (.*)`).FindStringSubmatch(scanner.Text())
if len(matches) > 0 {
stamp, err := time.Parse(referenceTimestampLayout, matches[1])
// router checks every second. error only if failure is recent.
// of course... we cannot always trust the local clock.
if err == nil && time.Since(stamp).Seconds() < 30.0 {
r.Error("DClu2009", nil, fmt.Sprintf(clRtPodConn, pod.ObjectMeta.Name, matches[2], matches[1]))
break
}
}
}
}
示例14: verifyRegistryImageStream
func (d *ClusterRegistry) verifyRegistryImageStream(service *kapi.Service, r types.DiagnosticResult) {
if d.PreventModification {
r.Info("DClu1021", "Skipping creating an ImageStream to test registry service address, because you requested no API modifications.")
return
}
imgStream, err := d.OsClient.ImageStreams(kapi.NamespaceDefault).Create(&osapi.ImageStream{ObjectMeta: kapi.ObjectMeta{GenerateName: "diagnostic-test"}})
if err != nil {
r.Error("DClu1015", err, fmt.Sprintf("Creating test ImageStream failed. Error: (%T) %[1]v", err))
return
}
defer func() { // delete what we created, or notify that we couldn't
if err := d.OsClient.ImageStreams(kapi.NamespaceDefault).Delete(imgStream.ObjectMeta.Name); err != nil {
r.Warn("DClu1016", err, fmt.Sprintf(clRegISDelFail, imgStream.ObjectMeta.Name, fmt.Sprintf("(%T) %[1]s", err)))
}
}()
imgStream, err = d.OsClient.ImageStreams(kapi.NamespaceDefault).Get(imgStream.ObjectMeta.Name) // status is filled in post-create
if err != nil {
r.Error("DClu1017", err, fmt.Sprintf("Getting created test ImageStream failed. Error: (%T) %[1]v", err))
return
}
r.Debug("DClu1018", fmt.Sprintf("Created test ImageStream: %[1]v", imgStream))
cacheHost := strings.SplitN(imgStream.Status.DockerImageRepository, "/", 2)[0]
serviceHost := fmt.Sprintf("%s:%d", service.Spec.ClusterIP, service.Spec.Ports[0].Port)
if cacheHost != serviceHost {
r.Error("DClu1019", nil, fmt.Sprintf(clRegISMismatch, registryName, serviceHost, cacheHost))
}
}
示例15: getRegistryPods
func (d *ClusterRegistry) getRegistryPods(service *kapi.Service, r types.DiagnosticResult) []*kapi.Pod {
runningPods := []*kapi.Pod{}
pods, err := d.KubeClient.Pods(kapi.NamespaceDefault).List(labels.SelectorFromSet(service.Spec.Selector), fields.Everything())
if err != nil {
r.Error("DClu1005", err, fmt.Sprintf("Finding pods for '%s' service failed. This should never happen. Error: (%T) %[2]v", registryName, err))
return runningPods
} else if len(pods.Items) < 1 {
r.Error("DClu1006", nil, fmt.Sprintf(clRegNoPods, registryName))
return runningPods
} else if len(pods.Items) > 1 {
// multiple registry pods using EmptyDir will be inconsistent
for _, volume := range pods.Items[0].Spec.Volumes {
if volume.Name == registryVolume && volume.EmptyDir != nil {
r.Error("DClu1007", nil, fmt.Sprintf(clRegMultiPods, registryName))
break
}
}
}
for _, pod := range pods.Items {
r.Debug("DClu1008", fmt.Sprintf("Found %s pod with name %s", registryName, pod.ObjectMeta.Name))
if pod.Status.Phase != kapi.PodRunning {
r.Warn("DClu1009", nil, fmt.Sprintf(clRegPodDown, pod.ObjectMeta.Name, registryName))
} else {
runningPods = append(runningPods, &pod)
// Check the logs for that pod for common issues (credentials, DNS resolution failure)
d.checkRegistryLogs(&pod, r)
}
}
return runningPods
}