Fix small comments.

This commit is contained in:
Alex Robinson 2015-10-09 17:27:28 +00:00
parent 429fa7a378
commit 2a5a121505

View File

@ -400,8 +400,9 @@ func (gce *GCECloud) EnsureTCPLoadBalancer(name, region string, requestedIP net.
return nil, fmt.Errorf("failed to delete existing forwarding rule %s for load balancer update: %v", name, err)
}
if deleteFwdRuleIP {
// Delete the old IP to avoid leaking it, since we're going to be using
// the user-requested IP when recreating the forwarding rule below.
// Delete the old forwarding rule's IP to avoid leaking it, since we're
// going to be using the user-requested IP when recreating the forwarding
// rule below.
gce.deleteStaticIP(name, region)
}
}
@ -429,6 +430,10 @@ func (gce *GCECloud) EnsureTCPLoadBalancer(name, region string, requestedIP net.
return status, nil
}
// Passing nil for requested IP is perfectly fine - it just means that no specific
// IP is being requested.
// Returns whether the forwarding rule exists, whether it needs to be updated,
// what its IP address is (if it exists), and any error we encountered.
func (gce *GCECloud) forwardingRuleNeedsUpdate(name, region string, requestedIP net.IP, ports []*api.ServicePort) (exists bool, needsUpdate bool, ipAddress string, err error) {
fwd, err := gce.service.ForwardingRules.Get(gce.projectID, region, name).Do()
if err != nil {
@ -507,13 +512,10 @@ func (gce *GCECloud) firewallNeedsUpdate(name, region, ipAddress string, ports [
if fw.Description != makeFirewallDescription(ipAddress) {
return true, true, nil
}
// Make sure the allowed ports match
if len(fw.Allowed) != 1 {
return true, true, nil
}
if fw.Allowed[0].IPProtocol != "tcp" {
if len(fw.Allowed) != 1 || fw.Allowed[0].IPProtocol != "tcp" {
return true, true, nil
}
// Make sure the allowed ports match.
allowedPorts := make([]string, len(ports))
for ix := range ports {
allowedPorts[ix] = strconv.Itoa(ports[ix].Port)
@ -624,7 +626,7 @@ func (gce *GCECloud) updateFirewall(name, region, ipAddress string, ports []*api
}
if op != nil {
err = gce.waitForGlobalOp(op)
if err != nil && !isHTTPErrorCode(err, http.StatusConflict) {
if err != nil {
return err
}
}