def encodeEarthObservation(self, eo_id, begin_time, end_time, footprint):
begin_time_iso = isotime(begin_time)
end_time_iso = isotime(end_time)
result_time_iso = isotime(end_time)
return self._makeElement(
"eop", "EarthObservation", [
("@gml", "id", "eop_%s" % eo_id),
("om", "phenomenonTime", [
("gml", "TimePeriod", [
("@gml", "id", "phen_time_%s" % eo_id),
("gml", "beginPosition", begin_time_iso),
("gml", "endPosition", end_time_iso)
])
]),
("om", "resultTime", [
("gml", "TimeInstant", [
("@gml", "id", "res_time_%s" % eo_id),
("gml", "timePosition", result_time_iso)
])
]),
("om", "procedure", []),
("om", "observedProperty", []),
("om", "featureOfInterest", [
(self.encodeFootprint(footprint, eo_id),)
]),
("om", "result", []),
(self.encodeMetadataProperty(eo_id),)
]
)
def notify(summary, message, urgency=None, ip_address=None, config=None):
config = config or get_ngeo_config()
urgency = urgency or "INFO"
if urgency not in ("INFO", "CRITICAL", "BLOCK"):
raise ValueError("Invalid urgency value '%s'." % urgency)
try:
if not ip_address:
# get the value for "notification_url" and fall back to
# "address"
ip_address = safe_get(config, "control", "notification_url")
if not ip_address:
ctrl_config = get_controller_config(
get_controller_config_path(config))
logger.debug(
"No 'notification_url' present. Trying to fall back to "
"registered IP address.")
ip_address = safe_get(ctrl_config, CONTROLLER_SERVER_SECTION,
"address")
except (IOError, NoSectionError):
# probably no config file present, so IP cannot be determined.
pass
if not ip_address:
# cannot log this error as we would run into an endless loop
logger.info("Cannot send notification to CTRL.")
return
tree = E(
"notifyControllerServer",
E("header", E("timestamp", isotime(now())),
E("instance", get_instance_id(config)), E("subsystem", "BROW"),
E("urgency", urgency)),
E("body", E("summary", summary), E("message", message)))
if ip_address.startswith("http://") or ip_address.startswith("https://"):
pass
else:
ip_address = "http://%s" % ip_address
if not ip_address.endswith("/notify"):
ip_address += "/notify"
logger.info("Sending notification to CTRL at IP '%s'." % ip_address)
req = urllib2.Request(url=ip_address,
data=etree.tostring(tree, pretty_print=True),
headers={'Content-Type': 'application/xml'})
try:
urllib2.urlopen(req, timeout=1)
except (urllib2.HTTPError, urllib2.URLError), e:
logger.info("Error sending notification: %s" % e)
logger.debug(traceback.format_exc() + "\n")
def notify(summary, message, urgency=None, ip_address=None, config=None):
config = config or get_ngeo_config()
urgency = urgency or "INFO"
if urgency not in ("INFO", "CRITICAL", "BLOCK"):
raise ValueError("Invalid urgency value '%s'." % urgency)
try:
if not ip_address:
ctrl_config = get_controller_config(get_controller_config_path(config))
ip_address = safe_get(ctrl_config, CONTROLLER_SERVER_SECTION, "address")
except IOError:
# probably no config file present, so IP cannot be determined.
pass
if not ip_address:
return
tree = E("notifyControllerServer",
E("header",
E("timestamp", isotime(now())),
E("instance", get_instance_id(config)),
E("subsystem", "BROW"),
E("urgency", urgency)
),
E("body",
E("summary", summary),
E("message", message)
)
)
req = urllib2.Request(
url="http://%s/notify" % ip_address,
data=etree.tostring(tree, pretty_print=True),
headers={'Content-Type': 'text/xml'}
)
try:
urllib2.urlopen(req, timeout=1)
except (urllib2.HTTPError, urllib2.URLError):
# could not send notification. Out of options
pass
def handle(self, *args, **kwargs):
System.init()
# parse command arguments
self.verbosity = int(kwargs.get("verbosity", 1))
traceback = kwargs.get("traceback", False)
self.set_up_logging(["ngeo_browse_server"], self.verbosity, traceback)
logger.info("Starting browse export from command line.")
browse_layer_id = kwargs.get("browse_layer_id")
browse_type = kwargs.get("browse_type")
if not browse_layer_id and not browse_type:
logger.error("No browse layer or browse type was specified.")
raise CommandError("No browse layer or browse type was specified.")
elif browse_layer_id and browse_type:
logger.error("Both browse layer and browse type were specified.")
raise CommandError("Both browse layer and browse type were specified.")
start = kwargs.get("start")
end = kwargs.get("end")
compression = kwargs.get("compression")
export_cache = kwargs["export_cache"]
output_path = kwargs.get("output_path")
# parse start/end if given
if start:
start = getDateTime(start)
if end:
end = getDateTime(end)
if not output_path:
output_path = package.generate_filename(compression)
with package.create(output_path, compression) as p:
# 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)
browse_layer = browselayer_data.BrowseLayer.from_model(browse_layer_model)
p.set_browse_layer(
serialize_browse_layers((browse_layer,), pretty_print=True)
)
# query browse reports; optionally filter for start/end time
browse_reports_qs = BrowseReport.objects.all()
# apply start/end filter
if start and not end:
browse_reports_qs = browse_reports_qs.filter(browses__start_time__gte=start)
elif end and not start:
browse_reports_qs = browse_reports_qs.filter(browses__end_time__lte=end)
elif start and end:
browse_reports_qs = browse_reports_qs.filter(browses__start_time__gte=start,
browses__end_time__lte=end)
# use count annotation to exclude all browse reports with no browses
browse_reports_qs = browse_reports_qs.annotate(
browse_count=Count('browses')
).filter(browse_layer=browse_layer_model, browse_count__gt=0)
# iterate over all browse reports
for browse_report_model in browse_reports_qs:
browses_qs = Browse.objects.filter(
browse_report=browse_report_model
)
if start:
browses_qs = browses_qs.filter(start_time__gte=start)
if end:
browses_qs = browses_qs.filter(end_time__lte=end)
browse_report = browsereport_data.BrowseReport.from_model(
browse_report_model, browses_qs
)
# iterate over all browses in the query
for browse, browse_model in izip(browse_report, browses_qs):
coverage_wrapper = System.getRegistry().getFromFactory(
"resources.coverages.wrappers.EOCoverageFactory",
{"obj_id": browse_model.coverage_id}
)
# set the
base_filename = browse_model.coverage_id
data_filename = base_filename + ".tif"
md_filename = base_filename + ".xml"
footprint_filename = base_filename + ".wkb"
browse._file_name = data_filename
# add optimized browse image to package
data_package = coverage_wrapper.getData()
data_package.prepareAccess()
browse_file_path = data_package.getGDALDatasetIdentifier()
with open(browse_file_path) as f:
p.add_browse(f, data_filename)
wkb = coverage_wrapper.getFootprint().wkb
p.add_footprint(footprint_filename, wkb)
if export_cache:
time_model = mapcache_models.Time.objects.get(
start_time__lte=browse_model.start_time,
end_time__gte=browse_model.end_time,
source__name=browse_layer_model.id
)
# get "dim" parameter
dim = (isotime(time_model.start_time) + "/" +
isotime(time_model.end_time))
# exit if a merged browse is found
if dim != (isotime(browse_model.start_time) + "/" +
isotime(browse_model.end_time)):
logger.error("Browse layer '%s' contains "
"merged browses and exporting "
"of cache is requested. Try "
"without exporting the cache."
% browse_layer_model.id)
raise CommandError("Browse layer '%s' contains "
"merged browses and exporting "
"of cache is requested. Try "
"without exporting the cache."
% browse_layer_model.id)
# get path to sqlite tileset and open it
ts = tileset.open(
get_tileset_path(browse_layer.browse_type)
)
for tile_desc in ts.get_tiles(
browse_layer.id,
URN_TO_GRID[browse_layer.grid], dim=dim,
minzoom=browse_layer.highest_map_level,
maxzoom=browse_layer.lowest_map_level
):
p.add_cache_file(*tile_desc)
# save browse report xml and add it to the package
p.add_browse_report(
serialize_browse_report(browse_report, pretty_print=True),
name="%s_%s_%s_%s.xml" % (
browse_report.browse_type,
browse_report.responsible_org_name,
browse_report.date_time.strftime("%Y%m%d%H%M%S%f"),
uuid.uuid4().hex
)
)
logger.info("Successfully finished browse export from command line.")
maxy = max(maxy, time_model.maxy)
start_time = min(start_time, time_model.start_time)
end_time = max(end_time, time_model.end_time)
seed_mapcache(tileset=browse_layer_model.id,
grid=browse_layer_model.grid,
minx=time_model.minx, miny=time_model.miny,
maxx=time_model.maxx, maxy=time_model.maxy,
minzoom=browse_layer_model.lowest_map_level,
maxzoom=browse_layer_model.highest_map_level,
start_time=time_model.start_time,
end_time=time_model.end_time,
delete=True,
**get_mapcache_seed_config(config))
logger.info("Result time span is %s/%s." % (isotime(start_time),
isotime(end_time)))
times_qs.delete()
time_model = mapcache_models.Time(start_time=start_time, end_time=end_time,
minx=minx, miny=miny,
maxx=maxx, maxy=maxy,
source=source)
time_model.full_clean()
time_model.save()
seed_areas.append((minx, miny, maxx, maxy, start_time, end_time))
return extent, (browse.start_time, browse.end_time)
def notify(summary, message, urgency=None, ip_address=None, config=None):
config = config or get_ngeo_config()
urgency = urgency or "INFO"
if urgency not in ("INFO", "CRITICAL", "BLOCK"):
raise ValueError("Invalid urgency value '%s'." % urgency)
try:
if not ip_address:
# get the value for "notification_url" and fall back to
# "address"
ip_address = safe_get(
config, "control", "notification_url"
)
if not ip_address:
ctrl_config = get_controller_config(
get_controller_config_path(config)
)
logger.debug(
"No 'notification_url' present. Trying to fall back to "
"registered IP address."
)
ip_address = safe_get(
ctrl_config, CONTROLLER_SERVER_SECTION, "address"
)
except (IOError, NoSectionError):
# probably no config file present, so IP cannot be determined.
pass
if not ip_address:
# cannot log this error as we would run into an endless loop
logger.info("Cannot send notification to CTRL.")
return
tree = E("notifyControllerServer",
E("header",
E("timestamp", isotime(now())),
E("instance", get_instance_id(config)),
E("subsystem", "BROW"),
E("urgency", urgency)
),
E("body",
E("summary", summary),
E("message", message)
)
)
if ip_address.startswith("http://") or ip_address.startswith("https://"):
pass
else:
ip_address = "http://%s" % ip_address
if not ip_address.endswith("/notify"):
ip_address += "/notify"
logger.info("Sending notification to CTRL at IP '%s'." % ip_address)
req = urllib2.Request(
url=ip_address,
data=etree.tostring(tree, pretty_print=True),
headers={'Content-Type': 'application/xml'}
)
try:
urllib2.urlopen(req, timeout=1)
except (urllib2.HTTPError, urllib2.URLError), e:
logger.info("Error sending notification: %s" % e)
logger.debug(traceback.format_exc() + "\n")
def import_browse_report(p, browse_report_file, browse_layer_model, crs,
seed_cache_levels, import_cache_levels, config):
"""
"""
seed_areas = []
report_result = IngestBrowseReportResult()
browse_report = decode_browse_report(etree.parse(browse_report_file))
browse_report_model = create_browse_report(browse_report,
browse_layer_model)
for browse in browse_report:
with transaction.commit_manually():
with transaction.commit_manually(using="mapcache"):
try:
result = import_browse(p, browse, browse_report_model,
browse_layer_model, crs, seed_areas,
config)
report_result.add(result)
transaction.commit()
transaction.commit(using="mapcache")
except Exception, e:
logger.error("Failure during import of browse '%s'." %
browse.browse_identifier)
logger.debug(traceback.format_exc() + "\n")
transaction.rollback()
transaction.rollback(using="mapcache")
report_result.add(IngestBrowseFailureResult(
browse.browse_identifier,
type(e).__name__, str(e))
)
continue
tileset_name = browse_layer_model.id
dim = isotime(browse.start_time) + "/" + isotime(browse.end_time)
ts = tileset.open(get_tileset_path(browse_layer_model.browse_type, config), mode="w")
grid = URN_TO_GRID[browse_layer_model.grid]
tile_num = 0
# import cache
for minzoom, maxzoom in import_cache_levels:
logger.info("Importing cached tiles from zoom level %d to %d."
% (minzoom, maxzoom))
for x, y, z, f in p.get_cache_files(tileset_name, grid, dim):
if z < minzoom or z > maxzoom:
continue
ts.add_tile(tileset_name, grid, dim, x, y, z, f)
tile_num += 1
logger.info("Imported %d cached tiles." % tile_num)
# seed cache
for minzoom, maxzoom in seed_cache_levels:
logger.info("Re-seeding tile cache from zoom level %d to %d."
% (minzoom, maxzoom))
seed_mapcache(tileset=browse_layer_model.id,
grid=browse_layer_model.grid,
minx=result.extent[0], miny=result.extent[1],
maxx=result.extent[2], maxy=result.extent[3],
minzoom=minzoom,
maxzoom=maxzoom,
start_time=result.time_interval[0],
end_time=result.time_interval[1],
delete=False,
**get_mapcache_seed_config(config))
logger.info("Successfully finished seeding.")
def handle(self, *browse_layer_id, **kwargs):
# parse command arguments
self.verbosity = int(kwargs.get("verbosity", 1))
traceback = kwargs.get("traceback", False)
self.set_up_logging(["ngeo_browse_server"], self.verbosity, traceback)
# check consistency
if not len(browse_layer_id):
logger.error("No browse layer given.")
raise CommandError("No browse layer given.")
elif len(browse_layer_id) > 1:
logger.error("Too many browse layers given.")
raise CommandError("Too many browse layers given.")
else:
browse_layer_id = browse_layer_id[0]
try:
# get the according browse layer
browse_layer = models.BrowseLayer.objects.get(id=browse_layer_id)
except models.BrowseLayer.DoesNotExist:
logger.error("Browse layer '%s' does not exist." % browse_layer_id)
raise CommandError("Browse layer '%s' does not exist." %
browse_layer_id)
start = kwargs.get("start")
end = kwargs.get("end")
dry_run = kwargs.get("dry_run")
force = kwargs.get("force")
# parse start/end if given
if start:
start = getDateTime(start)
if end:
end = getDateTime(end)
if force:
logger.info("Starting reseeding browse layer '%s'." %
browse_layer_id)
else:
logger.info("Starting seeding browse layer '%s'." %
browse_layer_id)
times_qs = mapcache_models.Time.objects.filter(source=browse_layer.id)
# apply start/end filter
if start and not end:
times_qs = times_qs.filter(start_time__gte=start)
elif end and not start:
times_qs = times_qs.filter(end_time__lte=end)
elif start and end:
times_qs = times_qs.filter(start_time__gte=start,
end_time__lte=end)
for time_model in times_qs:
if dry_run:
logger.info("Time span to (re)seed is %s/%s." % (isotime(
time_model.start_time), isotime(time_model.end_time)))
else:
try:
logger.info("(Re)seeding time span %s/%s." % (isotime(
time_model.start_time), isotime(time_model.end_time)))
seed_mapcache(tileset=browse_layer.id,
grid=browse_layer.grid,
minx=time_model.minx,
miny=time_model.miny,
maxx=time_model.maxx,
maxy=time_model.maxy,
minzoom=browse_layer.lowest_map_level,
maxzoom=browse_layer.highest_map_level,
start_time=time_model.start_time,
end_time=time_model.end_time,
delete=False,
force=force,
**get_mapcache_seed_config())
logger.info("Successfully finished (re)seeding time span.")
except Exception, e:
logger.warn("(Re)seeding failed: %s" % str(e))
seed_mapcache(tileset=browse_layer_model.id,
grid=browse_layer_model.grid,
minx=time_model.minx,
miny=time_model.miny,
maxx=time_model.maxx,
maxy=time_model.maxy,
minzoom=browse_layer_model.lowest_map_level,
maxzoom=browse_layer_model.highest_map_level,
start_time=time_model.start_time,
end_time=time_model.end_time,
delete=True,
**get_mapcache_seed_config(config))
logger.info("Result time span is %s/%s." %
(isotime(start_time), isotime(end_time)))
times_qs.delete()
time_model = mapcache_models.Time(start_time=start_time,
end_time=end_time,
minx=minx,
miny=miny,
maxx=maxx,
maxy=maxy,
source=source)
time_model.full_clean()
time_model.save()
seed_areas.append((minx, miny, maxx, maxy, start_time, end_time))
def import_browse_report(p, browse_report_file, browse_layer_model, crs,
seed_cache_levels, import_cache_levels, config):
"""
"""
seed_areas = []
report_result = IngestBrowseReportResult()
browse_report = decode_browse_report(etree.parse(browse_report_file))
browse_report_model = create_browse_report(browse_report,
browse_layer_model)
for browse in browse_report:
with transaction.commit_manually():
with transaction.commit_manually(using="mapcache"):
try:
result = import_browse(p, browse, browse_report_model,
browse_layer_model, crs, seed_areas,
config)
report_result.add(result)
transaction.commit()
transaction.commit(using="mapcache")
except Exception, e:
logger.error("Failure during import of browse '%s'." %
browse.browse_identifier)
logger.debug(traceback.format_exc() + "\n")
transaction.rollback()
transaction.rollback(using="mapcache")
report_result.add(
IngestBrowseFailureResult(browse.browse_identifier,
type(e).__name__, str(e)))
continue
tileset_name = browse_layer_model.id
dim = isotime(browse.start_time) + "/" + isotime(browse.end_time)
ts = tileset.open(get_tileset_path(browse_layer_model.browse_type,
config),
mode="w")
grid = URN_TO_GRID[browse_layer_model.grid]
tile_num = 0
# import cache
for minzoom, maxzoom in import_cache_levels:
logger.info("Importing cached tiles from zoom level %d to %d." %
(minzoom, maxzoom))
for x, y, z, f in p.get_cache_files(tileset_name, grid, dim):
if z < minzoom or z > maxzoom:
continue
ts.add_tile(tileset_name, grid, dim, x, y, z, f)
tile_num += 1
logger.info("Imported %d cached tiles." % tile_num)
# seed cache
for minzoom, maxzoom in seed_cache_levels:
logger.info("Re-seeding tile cache from zoom level %d to %d." %
(minzoom, maxzoom))
seed_mapcache(tileset=browse_layer_model.id,
grid=browse_layer_model.grid,
minx=result.extent[0],
miny=result.extent[1],
maxx=result.extent[2],
maxy=result.extent[3],
minzoom=minzoom,
maxzoom=maxzoom,
start_time=result.time_interval[0],
end_time=result.time_interval[1],
delete=False,
**get_mapcache_seed_config(config))
logger.info("Successfully finished seeding.")
def handle(self, *browse_layer_id, **kwargs):
# parse command arguments
self.verbosity = int(kwargs.get("verbosity", 1))
traceback = kwargs.get("traceback", False)
self.set_up_logging(["ngeo_browse_server"], self.verbosity, traceback)
# check consistency
if not len(browse_layer_id):
logger.error("No browse layer given.")
raise CommandError("No browse layer given.")
elif len(browse_layer_id) > 1:
logger.error("Too many browse layers given.")
raise CommandError("Too many browse layers given.")
else:
browse_layer_id = browse_layer_id[0]
try:
# get the according browse layer
browse_layer = models.BrowseLayer.objects.get(id=browse_layer_id)
except models.BrowseLayer.DoesNotExist:
logger.error("Browse layer '%s' does not exist."
% browse_layer_id)
raise CommandError("Browse layer '%s' does not exist."
% browse_layer_id)
start = kwargs.get("start")
end = kwargs.get("end")
dry_run = kwargs.get("dry_run")
force = kwargs.get("force")
# parse start/end if given
if start:
start = getDateTime(start)
if end:
end = getDateTime(end)
if force:
logger.info("Starting reseeding browse layer '%s'." % browse_layer_id)
else:
logger.info("Starting seeding browse layer '%s'." % browse_layer_id)
times_qs = mapcache_models.Time.objects.filter(
source=browse_layer.id
)
# apply start/end filter
if start and not end:
times_qs = times_qs.filter(start_time__gte=start)
elif end and not start:
times_qs = times_qs.filter(end_time__lte=end)
elif start and end:
times_qs = times_qs.filter(start_time__gte=start,
end_time__lte=end)
for time_model in times_qs:
if dry_run:
logger.info("Time span to (re)seed is %s/%s."
% (isotime(time_model.start_time),
isotime(time_model.end_time)))
else:
try:
logger.info("(Re)seeding time span %s/%s."
% (isotime(time_model.start_time),
isotime(time_model.end_time)))
seed_mapcache(tileset=browse_layer.id,
grid=browse_layer.grid,
minx=time_model.minx, miny=time_model.miny,
maxx=time_model.maxx, maxy=time_model.maxy,
minzoom=browse_layer.lowest_map_level,
maxzoom=browse_layer.highest_map_level,
start_time=time_model.start_time,
end_time=time_model.end_time,
delete=False, force=force,
**get_mapcache_seed_config())
logger.info("Successfully finished (re)seeding time span.")
except Exception, e:
logger.warn("(Re)seeding failed: %s" % str(e))