def init_host(settings):
"""
Reinitialize or initialize host instance from environment and stored settings.
"""
host = dict( name = get_hostname() )
hostnameId = host['name'].lower()
if hostnameId not in settings.nodes:
ifaces = {}
for iface, mac, spec in domain.inet_ifaces():
if mac in settings.interfaces:
raise Exception("Found existing interface", mac)
else:
settings.interfaces[mac] = ifaces[mac] = dict(
node = hostnameId
)
if settings.interactive:
name = Prompt.raw_input("Give a name for this node", host['name'])
host.update(dict(
unid = str(uuid.uuid4()),
interfaces = ifaces.keys()
))
settings.nodes[hostnameId] = host
open(hostIdFile, 'w+').write(" ".join((host['unid'], host['name'])))
log.std("{bwhite}Wrote new host, {green}%s {default}<{bblack}%s{default}>",
host['name'], host['unid'])
settings.commit()
else:
host = get_current_host(settings)
log.std("{bwhite}Found host, {green}%s {default}<{bblack}%s{default}>",
host['name'], host['unid'])
return host
def cmd_update(settings):
"""
Initialize current host, creating host ID
if not present yet and record
hosts interfaces.
Then determine the current domain, and record current iface IP's.
Commit data if needed.
"""
# read host ID file or record node/ifaces
host = init_host(settings)
print 'host', host.path()
gateway, mac, gateway_addr = get_gateway(settings)
net = get_network(settings, gateway.domain)
# read SSH pubkey user domain
#user, domain = init_domain(settings)
print 'domain', net.path()
# update host IP's, and update network
updated = False
for iface, mac, spec in domainmod.inet_ifaces():
ip = spec['inet']['ip']
if mac not in settings.interfaces:
log.err("Missing iface type for HW-addr '%s'" % mac)
continue
iface_type = settings.interfaces[mac].type
print '\t', iface_type, ip
# Keep IP on host
net_host = host.get('net')
if iface_type not in net_host:
net_host.get(iface_type, dict(ip=None))
if net_host[iface_type].ip != ip:
net_host[iface_type].ip = ip
updated = True
# Track the current network
fulldomain = net.get(host.name)
if iface_type not in fulldomain:
fulldomain.get(iface_type, dict(ip=None))
if fulldomain[iface_type].ip != ip:
fulldomain[iface_type].ip = ip
updated = True
if updated:
settings.commit()