def _handle(self, browse_layer_id, browse_type):
from ngeo_browse_server.control.queries import remove_browse
# query the browse layer
if browse_layer_id:
try:
browse_layer_model = BrowseLayer.objects.get(id=browse_layer_id)
except BrowseLayer.DoesNotExist:
logger.error(
"Browse layer '%s' does not exist" % browse_layer_id
)
raise CommandError(
"Browse layer '%s' does not exist" % browse_layer_id
)
else:
try:
browse_layer_model = BrowseLayer.objects.get(
browse_type=browse_type
)
except BrowseLayer.DoesNotExist:
logger.error("Browse layer with browse type '%s' does "
"not exist" % browse_type)
raise CommandError("Browse layer with browse type '%s' does "
"not exist" % browse_type)
# get all browses of browse layer
browses_qs = Browse.objects.all().filter(browse_layer=browse_layer_model)
paths_to_delete = []
seed_areas = []
with transaction.commit_on_success():
with transaction.commit_on_success(using="mapcache"):
logger.info("Deleting '%d' browse%s from database."
% (browses_qs.count(),
"s" if browses_qs.count() > 1 else ""))
# go through all browses to be deleted
for browse_model in browses_qs:
_, filename = remove_browse(
browse_model, browse_layer_model,
browse_model.coverage_id, seed_areas,
unseed=False
)
paths_to_delete.append(filename)
# loop through optimized browse images and delete them
# This is done at this point to make sure a rollback is possible
# if there is an error while deleting the browses and coverages
for file_path in paths_to_delete:
if exists(file_path):
remove(file_path)
logger.info("Optimized browse image deleted: %s" % file_path)
else:
logger.warning("Optimized browse image to be deleted not found "
"in path: %s" % file_path)
delete_browse_layer(browse_layer_model, purge=True)
def _handle(self, browse_layer_id, browse_type):
from ngeo_browse_server.control.queries import remove_browse
# query the browse layer
if browse_layer_id:
try:
browse_layer_model = BrowseLayer.objects.get(
id=browse_layer_id)
except BrowseLayer.DoesNotExist:
logger.error("Browse layer '%s' does not exist" %
browse_layer_id)
raise CommandError("Browse layer '%s' does not exist" %
browse_layer_id)
else:
try:
browse_layer_model = BrowseLayer.objects.get(
browse_type=browse_type)
except BrowseLayer.DoesNotExist:
logger.error("Browse layer with browse type '%s' does "
"not exist" % browse_type)
raise CommandError("Browse layer with browse type '%s' does "
"not exist" % browse_type)
# get all browses of browse layer
browses_qs = Browse.objects.all().filter(
browse_layer=browse_layer_model)
paths_to_delete = []
seed_areas = []
with transaction.commit_on_success():
with transaction.commit_on_success(using="mapcache"):
logger.info("Deleting '%d' browse%s from database." %
(browses_qs.count(),
"s" if browses_qs.count() > 1 else ""))
# go through all browses to be deleted
for browse_model in browses_qs:
_, filename = remove_browse(browse_model,
browse_layer_model,
browse_model.coverage_id,
seed_areas,
unseed=False)
paths_to_delete.append(filename)
# loop through optimized browse images and delete them
# This is done at this point to make sure a rollback is possible
# if there is an error while deleting the browses and coverages
for file_path in paths_to_delete:
if exists(file_path):
remove(file_path)
logger.info("Optimized browse image deleted: %s" % file_path)
else:
logger.warning(
"Optimized browse image to be deleted not found "
"in path: %s" % file_path)
delete_browse_layer(browse_layer_model, purge=True)
def _handle_file(self, filename, mode, config):
browse_layers = decode_browse_layers(etree.parse(filename))
for browse_layer in browse_layers:
if mode == "add":
add_browse_layer(browse_layer, config)
elif mode == "update":
update_browse_layer(browse_layer, config)
elif mode == "remove":
delete_browse_layer(browse_layer, config)
def _handle_file(self, filename, config):
root = etree.parse(filename)
start_revision = root.findtext(ns_cfg("startRevision"))
end_revision = root.findtext(ns_cfg("endRevision"))
remove_layers_elems = root.xpath(
"cfg:removeConfiguration/cfg:browseLayers",
namespaces={"cfg": ns_cfg.uri})
add_layers_elems = root.xpath("cfg:addConfiguration/cfg:browseLayers",
namespaces={"cfg": ns_cfg.uri})
add_layers = []
for layers_elem in add_layers_elems:
add_layers.extend(decode_browse_layers(layers_elem))
remove_layers = []
for layers_elem in remove_layers_elems:
remove_layers.extend(decode_browse_layers(layers_elem))
# get the mapcache config xml file path to make it transaction safe
mapcache_config = get_mapcache_seed_config(config)
mapcache_xml_filename = mapcache_config["config_file"]
# transaction safety here
with FileTransaction((mapcache_xml_filename, ), copy=True):
with transaction.commit_on_success():
with transaction.commit_on_success(using="mapcache"):
for browse_layer in add_layers:
if models.BrowseLayer.objects.filter(
id=browse_layer.id).exists():
update_browse_layer(browse_layer, config)
else:
add_browse_layer(browse_layer, config)
for browse_layer in remove_layers:
delete_browse_layer(browse_layer, config=config)
# set the new revision
config = config or get_ngeo_config()
if not config.has_section("config"):
config.add_section("config")
revision = int(safe_get(config, "config", "revision", 0))
config.set("config", "revision", int(end_revision))
write_ngeo_config()
def _handle_file(self, filename, config):
root = etree.parse(filename)
start_revision = root.findtext(ns_cfg("startRevision"))
end_revision = root.findtext(ns_cfg("endRevision"))
remove_layers_elems = root.xpath("cfg:removeConfiguration/cfg:browseLayers", namespaces={"cfg": ns_cfg.uri})
add_layers_elems = root.xpath("cfg:addConfiguration/cfg:browseLayers", namespaces={"cfg": ns_cfg.uri})
add_layers = []
for layers_elem in add_layers_elems:
add_layers.extend(decode_browse_layers(layers_elem))
remove_layers = []
for layers_elem in remove_layers_elems:
remove_layers.extend(decode_browse_layers(layers_elem))
# get the mapcache config xml file path to make it transaction safe
mapcache_config = get_mapcache_seed_config(config)
mapcache_xml_filename = mapcache_config["config_file"]
# transaction safety here
with FileTransaction((mapcache_xml_filename,), copy=True):
with transaction.commit_on_success():
with transaction.commit_on_success(using="mapcache"):
for browse_layer in add_layers:
if models.BrowseLayer.objects.filter(id=browse_layer.id).exists():
update_browse_layer(browse_layer, config)
else:
add_browse_layer(browse_layer, config)
for browse_layer in remove_layers:
delete_browse_layer(browse_layer, config=config)
# set the new revision
config = config or get_ngeo_config()
if not config.has_section("config"):
config.add_section("config")
revision = int(safe_get(config, "config", "revision", 0))
config.set("config", "revision", int(end_revision))
write_ngeo_config()
def config(request):
try:
status = get_status()
config = get_ngeo_config()
if request.method not in ("PUT", "POST"):
raise Exception("Invalid request method '%s'." % request.method)
if request.method == "POST":
# "setting" new configuration, which means removing the previous one.
action = "set"
else:
action = "update"
root = etree.parse(request)
start_revision = root.findtext(ns_cfg("startRevision"))
end_revision = root.findtext(ns_cfg("endRevision"))
# TODO: check current and last revision
remove_layers_elems = root.xpath("cfg:removeConfiguration/cfg:browseLayers", namespaces={"cfg": ns_cfg.uri})
add_layers_elems = root.xpath("cfg:addConfiguration/cfg:browseLayers", namespaces={"cfg": ns_cfg.uri})
add_layers = []
for layers_elem in add_layers_elems:
add_layers.extend(decode_browse_layers(layers_elem))
remove_layers = []
for layers_elem in remove_layers_elems:
remove_layers.extend(decode_browse_layers(layers_elem))
# get the mapcache config xml file path to make it transaction safe
mapcache_config = get_mapcache_seed_config(config)
mapcache_xml_filename = mapcache_config["config_file"]
# transaction safety here
with FileTransaction((mapcache_xml_filename,), copy=True):
with transaction.commit_on_success():
with transaction.commit_on_success(using="mapcache"):
for browse_layer in add_layers:
if models.BrowseLayer.objects.filter(id=browse_layer.id).exists():
update_browse_layer(browse_layer, config)
else:
add_browse_layer(browse_layer, config)
for browse_layer in remove_layers:
delete_browse_layer(browse_layer, config)
# set the new revision
config = get_ngeo_config()
if not config.has_section("config"):
config.add_section("config")
revision = int(safe_get(config, "config", "revision", 0))
config.set("config", "revision", end_revision)
write_ngeo_config()
# return with the new revision
return HttpResponse('<?xml version="1.0"?>\n'
'<synchronizeConfigurationResponse>%s</synchronizeConfigurationResponse>'
% end_revision
)
except Exception, e:
logger.error("%s: %s" % (type(e).__name__, str(e)))
logger.debug(traceback.format_exc())
return HttpResponse(
'<faultcode>ConfigurationError</faultcode>\n'
'<faultstring>%s</faultstring>' % str(e), status=400
)
def config(request):
try:
status = get_status()
config = get_ngeo_config()
if request.method not in ("PUT", "POST"):
raise Exception("Invalid request method '%s'." % request.method)
if request.method == "POST":
# "setting" new configuration, which means removing the previous one.
action = "set"
else:
action = "update"
root = etree.parse(request)
start_revision = root.findtext(ns_cfg("startRevision"))
end_revision = root.findtext(ns_cfg("endRevision"))
# TODO: check current and last revision
remove_layers_elems = root.xpath(
"cfg:removeConfiguration/cfg:browseLayers",
namespaces={"cfg": ns_cfg.uri})
add_layers_elems = root.xpath("cfg:addConfiguration/cfg:browseLayers",
namespaces={"cfg": ns_cfg.uri})
add_layers = []
for layers_elem in add_layers_elems:
add_layers.extend(decode_browse_layers(layers_elem))
remove_layers = []
for layers_elem in remove_layers_elems:
remove_layers.extend(decode_browse_layers(layers_elem))
# get the mapcache config xml file path to make it transaction safe
mapcache_config = get_mapcache_seed_config(config)
mapcache_xml_filename = mapcache_config["config_file"]
# transaction safety here
with FileTransaction((mapcache_xml_filename, ), copy=True):
with transaction.commit_on_success():
with transaction.commit_on_success(using="mapcache"):
for browse_layer in add_layers:
if models.BrowseLayer.objects.filter(
id=browse_layer.id).exists():
update_browse_layer(browse_layer, config)
else:
add_browse_layer(browse_layer, config)
for browse_layer in remove_layers:
delete_browse_layer(browse_layer, config=config)
# set the new revision
config = get_ngeo_config()
if not config.has_section("config"):
config.add_section("config")
revision = int(safe_get(config, "config", "revision", 0))
config.set("config", "revision", int(end_revision))
write_ngeo_config()
# return with the new revision
return HttpResponse(
'<?xml version="1.0"?>\n'
'<synchronizeConfigurationResponse>%s</synchronizeConfigurationResponse>'
% end_revision)
except Exception, e:
logger.error("%s: %s" % (type(e).__name__, str(e)))
logger.debug(traceback.format_exc())
return HttpResponse('<faultcode>ConfigurationError</faultcode>\n'
'<faultstring>%s</faultstring>' % str(e),
status=400)
