/*
Build all translation maps for the given project.
Does NOT replace a map with a nil map; we assume this is an openstack glitch.
CAUTION: ip2 maps are complete, where vm2 or vmid2 maps are not because
they only reference one of the VMs IP addresses where there might
be many.
*/
func (p *osif_project) refresh_maps(creds *ostack.Ostack) (rerr error) {
if p == nil {
return
}
if creds == nil {
osif_sheep.Baa(1, "IER: refresh_maps given nil creds")
rerr = fmt.Errorf("creds were nil")
return
}
if *p.name != "_ref_" { // we don't fetch maps from the ref since it's not real
olastfetch := p.lastfetch // last fetch -- ensure it wasn't fetched while we waited
p.rwlock.Lock() // wait for a write lock
defer p.rwlock.Unlock() // ensure unlocked on return
if olastfetch != p.lastfetch { // assume read done while we waited
return
}
osif_sheep.Baa(2, "refresh: creating VM maps from: %s", creds.To_str())
vmid2ip, ip2vmid, vm2ip, vmid2host, vmip2vm, err := creds.Mk_vm_maps(nil, nil, nil, nil, nil, true)
if err != nil {
osif_sheep.Baa(2, "WRN: unable to map VM info (vm): %s; %s [TGUOSI003]", creds.To_str(), err)
rerr = err
creds.Expire() // force re-auth next go round
} else {
osif_sheep.Baa(2, "%s map sizes: vmid2ip=%d ip2vmid=%d vm2ip=%d vmid2host=%d vmip2vm=%d",
*p.name, len(vmid2ip), len(ip2vmid), len(vm2ip), len(vmid2host), len(vmip2vm))
if len(vmip2vm) > 0 && len(vmid2ip) > 0 && len(ip2vmid) > 0 && len(vm2ip) > 0 && len(vmid2host) > 0 { // don't refresh unless all are good
p.vmid2ip = vmid2ip // id and vm name map to just ONE ip address
p.vm2ip = vm2ip
p.ip2vmid = ip2vmid // the only complete list of ips
p.vmid2host = vmid2host // id to physical host
p.ip2vm = vmip2vm
}
}
fip2ip, ip2fip, err := creds.Mk_fip_maps(nil, nil, true)
if err != nil {
osif_sheep.Baa(2, "WRN: unable to map VM info (fip): %s; %s [TGUOSI004]", creds.To_str(), err)
rerr = err
creds.Expire() // force re-auth next go round
} else {
osif_sheep.Baa(2, "%s map sizes: ip2fip=%d fip2ip=%d", *p.name, len(ip2fip), len(fip2ip))
if len(ip2fip) > 0 && len(fip2ip) > 0 {
p.ip2fip = ip2fip
p.ip2fip = fip2ip
}
}
ip2mac, _, err := creds.Mk_mac_maps(nil, nil, true)
if err != nil {
osif_sheep.Baa(2, "WRN: unable to map MAC info: %s; %s [TGUOSI005]", creds.To_str(), err)
rerr = err
creds.Expire() // force re-auth next go round
} else {
osif_sheep.Baa(2, "%s map sizes: ip2mac=%d", *p.name, len(ip2mac))
if len(ip2mac) > 0 {
p.ip2mac = ip2mac
}
}
gwmap, _, gwmac2id, _, _, gwip2phost, err := creds.Mk_gwmaps(nil, nil, nil, nil, nil, nil, true, false) // gwmap is mac2ip
if err != nil {
osif_sheep.Baa(2, "WRN: unable to map gateway info: %s; %s [TGUOSI006]", creds.To_str(), err)
creds.Expire() // force re-auth next go round
} else {
osif_sheep.Baa(2, "%s map sizes: gwmap=%d", *p.name, len(gwmap))
if len(gwmap) > 0 {
p.gwmap = gwmap
}
for mac, id := range gwmac2id { // run the gateway info and insert as though they were first class VMs
ip := gwmap[mac]
p.vmid2ip[*id] = ip
p.ip2vmid[*ip] = id
p.vmid2host[*id] = gwip2phost[*ip]
p.vm2ip[*ip] = ip // gw is nameless, so use the ip address
}
}
_, gw2cidr, err := creds.Mk_snlists() // get list of gateways and their subnet cidr
if err == nil && gw2cidr != nil {
p.gw2cidr = gw2cidr
} else {
if err != nil {
osif_sheep.Baa(1, "WRN: unable to create gateway to cidr map: %s; %s [TGUOSI007]", creds.To_str(), err)
} else {
osif_sheep.Baa(1, "WRN: unable to create gateway to cidr map: %s no reason given [TGUOSI007]", creds.To_str())
}
creds.Expire() // force re-auth next go round
}
p.lastfetch = time.Now().Unix()
}
return
}
