Bug 1822417

For example [1]:

...
I0408 16:44:23.374217       1 server.go:194] Version: v1.18.0-rc.1
Error: failed to create listener: failed to listen on 0.0.0.0:6443: listen tcp 0.0.0.0:6443: bind: address already in use
Usage:
  kube-apiserver [flags]
...

But the usage information is so verbose that the bind error doesn't show up in lastState:

$ curl -s https://storage.googleapis.com/origin-ci-test/pr-logs/pull/openshift_machine-config-operator/1630/pull-ci-openshift-machine-config-operator-master-e2e-gcp-upgrade/1627/artifacts/e2e-gcp-upgrade/pods.json | jq '.items[] | select(.metadata.name == "kube-apiserver-ci-op-kf7v5-m-0.c.openshift-gce-devel-ci.internal").status.containerStatuses[].lastState.terminated | select(. != null)'
{
  "containerID": "cri-o://fb487ce3249e53080a3f1eecebe269747ca859f3f90bbd066943c574215a87a7",
  "exitCode": 1,
  "finishedAt": "2020-04-08T16:44:23Z",
  "message": "t-signing-key-file string   Path to the file that contains the current private key of the service account token issuer. The issuer will sign issued ID tokens with this private key. (Requires the 'TokenRequest' feature gate.)\n      --service-cluster-ip-range string           A CIDR notation IP range from which to assign service cluster IPs. This must not overlap with any IP ranges assigned to nodes for pods.\n      --service-node-port-range portRange         A port range to reserve for services with NodePort visibility. Example: '30000-32767'. Inclusive at both ends of the range. (default 30000-32767)\n\nGlobal flags:\n\n      --add-dir-header                   If true, adds the file directory to the header\n      --alsologtostderr                  log to standard error as well as files\n  -h, --help                             help for kube-apiserver\n      --log-backtrace-at traceLocation   when logging hits line file:N, emit a stack trace (default :0)\n      --log-dir string                   If non-empty, write log files in this directory\n      --log-file string                  If non-empty, use this log file\n      --log-file-max-size uint           Defines the maximum size a log file can grow to. Unit is megabytes. If the value is 0, the maximum file size is unlimited. (default 1800)\n      --log-flush-frequency duration     Maximum number of seconds between log flushes (default 5s)\n      --logtostderr                      log to standard error instead of files (default true)\n      --skip-headers                     If true, avoid header prefixes in the log messages\n      --skip-log-headers                 If true, avoid headers when opening log files\n      --stderrthreshold severity         logs at or above this threshold go to stderr (default 2)\n  -v, --v Level                          number for the log level verbosity (default 0)\n      --version version[=true]           Print version information and quit\n      --vmodule moduleSpec               comma-separated list of pattern=N settings for file-filtered logging\n\n",
  "reason": "Error",
  "startedAt": "2020-04-08T16:44:23Z"
}

We should reserve the usage dump for invocations that use an unrecognized option, not for invocations where we understand the request but are unable to deliver.

[1]: https://storage.googleapis.com/origin-ci-test/pr-logs/pull/openshift_machine-config-operator/1630/pull-ci-openshift-machine-config-operator-master-e2e-gcp-upgrade/1627/artifacts/e2e-gcp-upgrade/pods/openshift-kube-apiserver_kube-apiserver-ci-op-kf7v5-m-0.c.openshift-gce-devel-ci.internal_kube-apiserver_previous.log