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Fix for the network partition tests (and cluster autoscaling too

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potentially)
This commit is contained in:
Anirudh 2017-12-01 13:21:17 -08:00
parent db2977fb11
commit 32942f1462
2 changed files with 24 additions and 3 deletions
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10
test/e2e/framework/networking_utils.go
View File

@ -935,7 +935,9 @@ func TestHitNodesFromOutsideWithCount(externalIP string, httpPort int32, timeout
// This function executes commands on a node so it will work only for some
// environments.
func TestUnderTemporaryNetworkFailure(c clientset.Interface, ns string, node *v1.Node, testFunc func()) {
host := GetNodeExternalIP(node)
externalIP := GetNodeExternalIP(node)
internalIP := GetNodeInternalIP(node)
master := GetMasterAddress(c)
By(fmt.Sprintf("block network traffic from node %s to the master", node.Name))
defer func() {
@ -944,14 +946,16 @@ func TestUnderTemporaryNetworkFailure(c clientset.Interface, ns string, node *v1
// had been inserted. (yes, we could look at the error code and ssh error
// separately, but I prefer to stay on the safe side).
By(fmt.Sprintf("Unblock network traffic from node %s to the master", node.Name))
UnblockNetwork(host, master)
UnblockNetwork(externalIP, master)
UnblockNetwork(internalIP, master)
}()
Logf("Waiting %v to ensure node %s is ready before beginning test...", resizeNodeReadyTimeout, node.Name)
if !WaitForNodeToBe(c, node.Name, v1.NodeReady, true, resizeNodeReadyTimeout) {
Failf("Node %s did not become ready within %v", node.Name, resizeNodeReadyTimeout)
}
BlockNetwork(host, master)
BlockNetwork(externalIP, master)
BlockNetwork(internalIP, master)
Logf("Waiting %v for node %s to be not ready after simulated network failure", resizeNodeNotReadyTimeout, node.Name)
if !WaitForNodeToBe(c, node.Name, v1.NodeReady, false, resizeNodeNotReadyTimeout) {

17
test/e2e/framework/util.go
View File

@ -4925,6 +4925,23 @@ func GetNodeExternalIP(node *v1.Node) string {
return host
}
// GetNodeInternalIP returns node internal IP concatenated with port 22 for ssh
// e.g. 1.2.3.4:22
func GetNodeInternalIP(node *v1.Node) string {
Logf("Getting internal IP address for %s", node.Name)
host := ""
for _, a := range node.Status.Addresses {
if a.Type == v1.NodeInternalIP {
host = net.JoinHostPort(a.Address, sshPort)
break
}
}
if host == "" {
Failf("Couldn't get the internal IP of host %s with addresses %v", node.Name, node.Status.Addresses)
}
return host
}
// SimpleGET executes a get on the given url, returns error if non-200 returned.
func SimpleGET(c *http.Client, url, host string) (string, error) {
req, err := http.NewRequest("GET", url, nil)