func (lb *LoadBalancer) UpdateTCPLoadBalancer(name, region string, hosts []string) error {
glog.V(4).Infof("UpdateTCPLoadBalancer(%v, %v, %v)", name, region, hosts)
vip, err := getVipByName(lb.network, name)
if err != nil {
return err
}
// Set of member (addresses) that _should_ exist
addrs := map[string]bool{}
for _, host := range hosts {
addr, err := getAddressByName(lb.compute, host)
if err != nil {
return err
}
addrs[addr] = true
}
// Iterate over members that _do_ exist
pager := members.List(lb.network, members.ListOpts{PoolID: vip.PoolID})
err = pager.EachPage(func(page pagination.Page) (bool, error) {
memList, err := members.ExtractMembers(page)
if err != nil {
return false, err
}
for _, member := range memList {
if _, found := addrs[member.Address]; found {
// Member already exists
delete(addrs, member.Address)
} else {
// Member needs to be deleted
err = members.Delete(lb.network, member.ID).ExtractErr()
if err != nil {
return false, err
}
}
}
return true, nil
})
if err != nil {
return err
}
// Anything left in addrs is a new member that needs to be added
for addr := range addrs {
_, err := members.Create(lb.network, members.CreateOpts{
PoolID: vip.PoolID,
Address: addr,
ProtocolPort: vip.ProtocolPort,
}).Extract()
if err != nil {
return err
}
}
return nil
}
func listMembers(t *testing.T) {
err := members.List(base.Client, members.ListOpts{}).EachPage(func(page pagination.Page) (bool, error) {
memberList, err := members.ExtractMembers(page)
if err != nil {
t.Errorf("Failed to extract members: %v", err)
return false, err
}
for _, m := range memberList {
t.Logf("Listing member: ID [%s] Status [%s]", m.ID, m.Status)
}
return true, nil
})
th.AssertNoErr(t, err)
}
func resourceLBPoolV1Update(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
networkingClient, err := config.networkingV2Client(d.Get("region").(string))
if err != nil {
return fmt.Errorf("Error creating OpenStack networking client: %s", err)
}
var updateOpts pools.UpdateOpts
// If either option changed, update both.
// Gophercloud complains if one is empty.
if d.HasChange("name") || d.HasChange("lb_method") {
updateOpts.Name = d.Get("name").(string)
updateOpts.LBMethod = d.Get("lb_method").(string)
}
log.Printf("[DEBUG] Updating OpenStack LB Pool %s with options: %+v", d.Id(), updateOpts)
_, err = pools.Update(networkingClient, d.Id(), updateOpts).Extract()
if err != nil {
return fmt.Errorf("Error updating OpenStack LB Pool: %s", err)
}
if d.HasChange("monitor_ids") {
oldMIDsRaw, newMIDsRaw := d.GetChange("security_groups")
oldMIDsSet, newMIDsSet := oldMIDsRaw.(*schema.Set), newMIDsRaw.(*schema.Set)
monitorsToAdd := newMIDsSet.Difference(oldMIDsSet)
monitorsToRemove := oldMIDsSet.Difference(newMIDsSet)
log.Printf("[DEBUG] Monitors to add: %v", monitorsToAdd)
log.Printf("[DEBUG] Monitors to remove: %v", monitorsToRemove)
for _, m := range monitorsToAdd.List() {
_, err := pools.AssociateMonitor(networkingClient, d.Id(), m.(string)).Extract()
if err != nil {
return fmt.Errorf("Error associating monitor (%s) with OpenStack server (%s): %s", m.(string), d.Id(), err)
}
log.Printf("[DEBUG] Associated monitor (%s) with pool (%s)", m.(string), d.Id())
}
for _, m := range monitorsToRemove.List() {
_, err := pools.DisassociateMonitor(networkingClient, d.Id(), m.(string)).Extract()
if err != nil {
return fmt.Errorf("Error disassociating monitor (%s) from OpenStack server (%s): %s", m.(string), d.Id(), err)
}
log.Printf("[DEBUG] Disassociated monitor (%s) from pool (%s)", m.(string), d.Id())
}
}
if d.HasChange("member") {
oldMembersRaw, newMembersRaw := d.GetChange("member")
oldMembersSet, newMembersSet := oldMembersRaw.(*schema.Set), newMembersRaw.(*schema.Set)
membersToAdd := newMembersSet.Difference(oldMembersSet)
membersToRemove := oldMembersSet.Difference(newMembersSet)
log.Printf("[DEBUG] Members to add: %v", membersToAdd)
log.Printf("[DEBUG] Members to remove: %v", membersToRemove)
for _, m := range membersToRemove.List() {
oldMember := resourcePoolMemberV1(d, m)
listOpts := members.ListOpts{
PoolID: d.Id(),
Address: oldMember.Address,
ProtocolPort: oldMember.ProtocolPort,
}
err = members.List(networkingClient, listOpts).EachPage(func(page pagination.Page) (bool, error) {
extractedMembers, err := members.ExtractMembers(page)
if err != nil {
return false, err
}
for _, member := range extractedMembers {
err := members.Delete(networkingClient, member.ID).ExtractErr()
if err != nil {
return false, fmt.Errorf("Error deleting member (%s) from OpenStack LB pool (%s): %s", member.ID, d.Id(), err)
}
log.Printf("[DEBUG] Deleted member (%s) from pool (%s)", member.ID, d.Id())
}
return true, nil
})
}
for _, m := range membersToAdd.List() {
createOpts := resourcePoolMemberV1(d, m)
newMember, err := members.Create(networkingClient, createOpts).Extract()
if err != nil {
return fmt.Errorf("Error creating LB member: %s", err)
}
log.Printf("[DEBUG] Created member (%s) in OpenStack LB pool (%s)", newMember.ID, d.Id())
}
}
return resourceLBPoolV1Read(d, meta)
}
func (lb *LbaasV1) UpdateLoadBalancer(clusterName string, service *v1.Service, nodeNames []string) error {
loadBalancerName := cloudprovider.GetLoadBalancerName(service)
glog.V(4).Infof("UpdateLoadBalancer(%v, %v, %v)", clusterName, loadBalancerName, nodeNames)
vip, err := getVipByName(lb.network, loadBalancerName)
if err != nil {
return err
}
// Set of member (addresses) that _should_ exist
addrs := map[string]bool{}
for _, nodeName := range nodeNames {
addr, err := getAddressByName(lb.compute, types.NodeName(nodeName))
if err != nil {
return err
}
addrs[addr] = true
}
// Iterate over members that _do_ exist
pager := members.List(lb.network, members.ListOpts{PoolID: vip.PoolID})
err = pager.EachPage(func(page pagination.Page) (bool, error) {
memList, err := members.ExtractMembers(page)
if err != nil {
return false, err
}
for _, member := range memList {
if _, found := addrs[member.Address]; found {
// Member already exists
delete(addrs, member.Address)
} else {
// Member needs to be deleted
err = members.Delete(lb.network, member.ID).ExtractErr()
if err != nil {
return false, err
}
}
}
return true, nil
})
if err != nil {
return err
}
// Anything left in addrs is a new member that needs to be added
for addr := range addrs {
_, err := members.Create(lb.network, members.CreateOpts{
PoolID: vip.PoolID,
Address: addr,
ProtocolPort: vip.ProtocolPort,
}).Extract()
if err != nil {
return err
}
}
return nil
}