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Add global timeout flag

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This patch adds a global timeout flag (viewable with `kubectl -h`) with
a default value of `0s` (meaning no timeout).

The timeout value is added to the default http client, so that zero
values and default behavior are enforced by the client.

**Example**
```
$ kubectl get pods # no timeout flag set - default to 0s (which means no
timeout)
NAME                      READY     STATUS    RESTARTS   AGE
docker-registry-1-h7etw   1/1       Running   1          2h
router-1-uv0f9            1/1       Running   1          2h

$ kubectl get pods --timeout=0 # zero means no timeout no timeout flag set
NAME                      READY     STATUS    RESTARTS   AGE
docker-registry-1-h7etw   1/1       Running   1          2h
router-1-uv0f9            1/1       Running   1          2h

$kubectl get pods --timeout=1ms
Unable to connect to the server: net/http: request canceled while
waiting for connection (Client.Timeout exceeded while awaiting headers)
```
This commit is contained in:
juanvallejo
2016-10-03 14:49:19 -04:00
parent ead65fc25f
commit fd087caadb
4 changed files with 65 additions and 1 deletions
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33
hack/make-rules/test-cmd.sh
View File

@@ -1184,6 +1184,39 @@ __EOF__
kube::test::if_has_string "${output_message}" "/apis/extensions/v1beta1/namespaces/default/replicasets 200 OK"
##################
# Global timeout #
##################
### Test global request timeout option
# Pre-condition: no POD exists
create_and_use_new_namespace
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create "${kube_flags[@]}" -f test/fixtures/doc-yaml/admin/limitrange/valid-pod.yaml
# Post-condition: valid-pod POD is created
kubectl get "${kube_flags[@]}" pods -o json
kube::test::get_object_assert pods "{{range.items}}{{$id_field}}:{{end}}" 'valid-pod:'
## check --request-timeout on 'get pod'
output_message=$(kubectl get pod valid-pod --request-timeout=1)
kube::test::if_has_string "${output_message}" 'valid-pod'
## check --request-timeout on 'get pod' with --watch
output_message=$(kubectl get pod valid-pod --request-timeout=1 --watch 2>&1)
kube::test::if_has_string "${output_message}" 'Timeout exceeded while reading body'
## check --request-timeout value with no time unit
output_message=$(kubectl get pod valid-pod --request-timeout=1 2>&1)
kube::test::if_has_string "${output_message}" 'valid-pod'
## check --request-timeout value with invalid time unit
output_message=$(! kubectl get pod valid-pod --request-timeout="1p" 2>&1)
kube::test::if_has_string "${output_message}" 'Invalid value for option'
# cleanup
kubectl delete pods valid-pod "${kube_flags[@]}"
#####################################
# Third Party Resources #
#####################################