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Merge pull request #68792 from johnSchnake/68747-fallbackToInternalIP

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e2e: Fallback to internal IPs when using SSH in tests
This commit is contained in:
Kubernetes Prow Robot 2019-01-07 14:11:41 -08:00 committed by GitHub
commit 168b4563e0
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1 changed files with 16 additions and 10 deletions
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26
test/e2e/framework/util.go
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@ -3373,10 +3373,6 @@ func NodeAddresses(nodelist *v1.NodeList, addrType v1.NodeAddressType) []string
hosts := []string{} hosts := []string{}
for _, n := range nodelist.Items { for _, n := range nodelist.Items {
for _, addr := range n.Status.Addresses { for _, addr := range n.Status.Addresses {
// Use the first external IP address we find on the node, and
// use at most one per node.
// TODO(roberthbailey): Use the "preferred" address for the node, once
// such a thing is defined (#2462).
if addr.Type == addrType { if addr.Type == addrType {
hosts = append(hosts, addr.Address) hosts = append(hosts, addr.Address)
break break
@ -3386,19 +3382,29 @@ func NodeAddresses(nodelist *v1.NodeList, addrType v1.NodeAddressType) []string
return hosts return hosts
} }
// NodeSSHHosts returns SSH-able host names for all schedulable nodes - this excludes master node. // NodeSSHHosts returns SSH-able host names for all schedulable nodes - this
// It returns an error if it can't find an external IP for every node, though it still returns all // excludes master node. If it can't find any external IPs, it falls back to
// hosts that it found in that case. // looking for internal IPs. If it can't find an internal IP for every node it
// returns an error, though it still returns all hosts that it found in that
// case.
func NodeSSHHosts(c clientset.Interface) ([]string, error) { func NodeSSHHosts(c clientset.Interface) ([]string, error) {
nodelist := waitListSchedulableNodesOrDie(c) nodelist := waitListSchedulableNodesOrDie(c)
// TODO(roberthbailey): Use the "preferred" address for the node, once such a thing is defined (#2462).
hosts := NodeAddresses(nodelist, v1.NodeExternalIP) hosts := NodeAddresses(nodelist, v1.NodeExternalIP)
// If ExternalIPs aren't set, assume the test programs can reach the
// InternalIP. Simplified exception logic here assumes that the hosts will
// either all have ExternalIP or none will. Simplifies handling here and
// should be adequate since the setting of the external IPs is provider
// specific: they should either all have them or none of them will.
if len(hosts) == 0 {
Logf("No external IP address on nodes, falling back to internal IPs")
hosts = NodeAddresses(nodelist, v1.NodeInternalIP)
}
// Error if any node didn't have an external IP. // Error if any node didn't have an external/internal IP.
if len(hosts) != len(nodelist.Items) { if len(hosts) != len(nodelist.Items) {
return hosts, fmt.Errorf( return hosts, fmt.Errorf(
"only found %d external IPs on nodes, but found %d nodes. Nodelist: %v", "only found %d IPs on nodes, but found %d nodes. Nodelist: %v",
len(hosts), len(nodelist.Items), nodelist) len(hosts), len(nodelist.Items), nodelist)
} }