Skip to content

Log errors from APIAvailability probes #3437

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Log errors from APIAvailability probes #3437

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 3 additions & 0 deletions clusterloader2/pkg/measurement/common/api_availability_measurement.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -110,6 +110,9 @@ func (a *apiAvailabilityMeasurement) pollHost(hostIP string) (string, error) {

func (a *apiAvailabilityMeasurement) updateClusterAvailabilityMetrics(c clientset.Interface) {
result := c.CoreV1().RESTClient().Get().AbsPath("/readyz").Do(context.Background())
if err := result.Error(); err != nil {
klog.Warningf("failed to reach cluster API server: %v", err)
Copy link
Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Here's a concrete example of the error that gets logged:

W0710 03:20:23.091522   37631 api_availability_measurement.go:114] failed to reach cluster API server: an error on the server ("[+]ping ok\n[+]log ok\n[-]etcd failed: reason withheld\n[+]etcd-readiness ok\n[+]informer-sync ok\n[+]poststarthook/start-apiserver-admission-initializer ok\n[+]poststarthook/generic-apiserver-start-informers ok\n[+]poststarthook/priority-and-fairness-config-consumer ok\n[+]poststarthook/priority-and-fairness-filter ok\n[+]poststarthook/storage-object-count-tracker-hook ok\n[+]poststarthook/start-apiextensions-informers ok\n[+]poststarthook/start-apiextensions-controllers ok\n[+]poststarthook/crd-informer-synced ok\n[+]poststarthook/start-system-namespaces-controller ok\n[+]poststarthook/start-cluster-authentication-info-controller ok\n[+]poststarthook/start-kube-apiserver-identity-lease-controller ok\n[+]poststarthook/start-kube-apiserver-identity-lease-garbage-collector ok\n[+]poststarthook/start-legacy-token-tracking-controller ok\n[+]poststarthook/start-service-ip-repair-controllers ok\n[+]poststarthook/rbac/bootstrap-roles ok\n[+]poststarthook/scheduling/bootstrap-system-priority-classes ok\n[+]poststarthook/priority-and-fairness-config-producer ok\n[+]poststarthook/bootstrap-controller ok\n[+]poststarthook/start-kubernetes-service-cidr-controller ok\n[+]poststarthook/aggregator-reload-proxy-client-cert ok\n[+]poststarthook/start-kube-aggregator-informers ok\n[+]poststarthook/apiservice-status-local-available-controller ok\n[+]poststarthook/apiservice-status-remote-available-controller ok\n[+]poststarthook/apiservice-registration-controller ok\n[+]poststarthook/apiservice-discovery-controller ok\n[+]poststarthook/kube-apiserver-autoregistration ok\n[+]autoregister-completion ok\n[+]poststarthook/apiservice-openapi-controller ok\n[+]poststarthook/apiservice-openapiv3-controller ok\n[+]shutdown ok\nreadyz check failed") has prevented the request from succeeding

Prettier:

[+]ping ok
[+]log ok
[-]etcd failed: reason withheld
[+]etcd-readiness ok
[+]informer-sync ok
[+]poststarthook/start-apiserver-admission-initializer ok
[+]poststarthook/generic-apiserver-start-informers ok
[+]poststarthook/priority-and-fairness-config-consumer ok
[+]poststarthook/priority-and-fairness-filter ok
[+]poststarthook/storage-object-count-tracker-hook ok
[+]poststarthook/start-apiextensions-informers ok
[+]poststarthook/start-apiextensions-controllers ok
[+]poststarthook/crd-informer-synced ok
[+]poststarthook/start-system-namespaces-controller ok
[+]poststarthook/start-cluster-authentication-info-controller ok
[+]poststarthook/start-kube-apiserver-identity-lease-controller ok
[+]poststarthook/start-kube-apiserver-identity-lease-garbage-collector ok
[+]poststarthook/start-legacy-token-tracking-controller ok
[+]poststarthook/start-service-ip-repair-controllers ok
[+]poststarthook/rbac/bootstrap-roles ok
[+]poststarthook/scheduling/bootstrap-system-priority-classes ok
[+]poststarthook/priority-and-fairness-config-producer ok
[+]poststarthook/bootstrap-controller ok
[+]poststarthook/start-kubernetes-service-cidr-controller ok
[+]poststarthook/aggregator-reload-proxy-client-cert ok
[+]poststarthook/start-kube-aggregator-informers ok
[+]poststarthook/apiservice-status-local-available-controller ok
[+]poststarthook/apiservice-status-remote-available-controller ok
[+]poststarthook/apiservice-registration-controller ok
[+]poststarthook/apiservice-discovery-controller ok
[+]poststarthook/kube-apiserver-autoregistration ok
[+]autoregister-completion ok
[+]poststarthook/apiservice-openapi-controller ok
[+]poststarthook/apiservice-openapiv3-controller ok
[+]shutdown ok
readyz check failed

}
status := 0
result.StatusCode(&status)
availability := status == http.StatusOK
Expand Down