def retry_view(self, request, host_migrate_id):
retry_from = get_object_or_404(HostMigrate, pk=host_migrate_id)
success, redirect = self.check_status(request, retry_from, 'retry')
if not success:
return redirect
TaskRegister.host_migrate(retry_from.host, retry_from.zone,
retry_from.environment, request.user,
retry_from.current_step)
return self.redirect_to_database(retry_from)
def retry_view(self, request, host_migrate_id):
retry_from = get_object_or_404(HostMigrate, pk=host_migrate_id)
success, redirect = self.check_status(request, retry_from, 'retry')
if not success:
return redirect
host = retry_from.host
database = host.instances.first().databaseinfra.databases.first()
TaskRegister.host_migrate(retry_from.host,
retry_from.zone,
retry_from.environment,
request.user,
database,
retry_from.current_step,
step_manager=retry_from)
return self.redirect_to_database(retry_from)
def database_migrate(request, context, database):
if not database.is_host_migrate_available:
messages.add_message(
request, messages.ERROR, "This database cannot be migrated"
)
return database_details(request, database.id)
environment = database.infra.environment
if request.POST:
can_migrate, error = database.can_migrate_host()
if not can_migrate:
messages.add_message(request, messages.ERROR, error)
elif 'host_id' in request.POST:
host = get_object_or_404(Host, pk=request.POST.get('host_id'))
zone = request.POST["new_zone"]
TaskRegister.host_migrate(host, zone, environment, request.user)
elif 'new_environment' in request.POST:
environment = get_object_or_404(
Environment, pk=request.POST.get('new_environment')
)
offering = get_object_or_404(
Offering, pk=request.POST.get('new_offering')
)
if environment not in offering.environments.all():
messages.add_message(
request, messages.ERROR,
"There is no offering {} to {} environment".format(
offering, environment
)
)
return
hosts_zones = OrderedDict()
data = json.loads(request.POST.get('hosts_zones'))
for host_id, zone in data.items():
host = get_object_or_404(Host, pk=host_id)
hosts_zones[host] = zone
if not hosts_zones:
messages.add_message(
request, messages.ERROR, "There is no host to migrate"
)
else:
TaskRegister.database_migrate(
database, environment, offering, request.user, hosts_zones
)
return
hosts = set()
zones = set()
instances = database.infra.instances.all().order_by('shard', 'id')
for instance in instances:
host = instance.hostname
if host in hosts:
continue
hp = Provider(instance, environment)
try:
host_info = hp.host_info(host)
except Exception as e:
LOG.error("Could get host info {} - {}".format(host, e))
else:
host.current_zone = host_info['zone']
hosts.add(host)
context['hosts'] = sorted(hosts, key=lambda host: host.hostname)
context['zones'] = sorted(zones)
context["environments"] = set()
for group in environment.groups.all():
for env in group.environments.all():
context["environments"].add(env)
context["current_environment"] = environment
context["current_offering"] = database.infra.offering
from maintenance.models import HostMigrate
migrates = HostMigrate.objects.filter(host__in=hosts)
context["last_host_migrate"] = migrates.last()
return render_to_response(
"logical/database/details/migrate_tab.html", context,
RequestContext(request)
)
def database_migrate(request, context, database):
if not database.is_host_migrate_available:
messages.add_message(request, messages.ERROR,
"This database cannot be migrated")
return database_details(request, database.id)
environment = database.infra.environment
if request.POST:
can_migrate, error = database.can_migrate_host()
if not can_migrate:
messages.add_message(request, messages.ERROR, error)
elif 'host_id' in request.POST:
host = get_object_or_404(Host, pk=request.POST.get('host_id'))
zone = request.POST["new_zone"]
TaskRegister.host_migrate(host, zone, environment, request.user)
elif 'new_environment' in request.POST:
environment = get_object_or_404(
Environment, pk=request.POST.get('new_environment'))
offering = get_object_or_404(Offering,
pk=request.POST.get('new_offering'))
if environment not in offering.environments.all():
messages.add_message(
request, messages.ERROR,
"There is no offering {} to {} environment".format(
offering, environment))
return
hosts_zones = OrderedDict()
data = json.loads(request.POST.get('hosts_zones'))
for host_id, zone in data.items():
host = get_object_or_404(Host, pk=host_id)
hosts_zones[host] = zone
if not hosts_zones:
messages.add_message(request, messages.ERROR,
"There is no host to migrate")
else:
TaskRegister.database_migrate(database, environment, offering,
request.user, hosts_zones)
return
hosts = set()
zones = set()
instances = database.infra.instances.all().order_by('shard', 'id')
for instance in instances:
host = instance.hostname
if host in hosts:
continue
hp = Provider(instance, environment)
try:
host_info = hp.host_info(host)
except Exception as e:
LOG.error("Could get host info {} - {}".format(host, e))
else:
host.current_zone = host_info['zone']
hosts.add(host)
context['hosts'] = sorted(hosts, key=lambda host: host.hostname)
context['zones'] = sorted(zones)
context["environments"] = set()
for group in environment.groups.all():
for env in group.environments.all():
context["environments"].add(env)
context["current_environment"] = environment
context["current_offering"] = database.infra.offering
from maintenance.models import HostMigrate
migrates = HostMigrate.objects.filter(host__in=hosts)
context["last_host_migrate"] = migrates.last()
return render_to_response("logical/database/details/migrate_tab.html",
context, RequestContext(request))