def create_feature(sync_job, task_metadata, task_status):
"""
This is not a critical task.
"""
crs = sync_job.get("crs", None)
if not crs and "datasource" not in sync_job:
# try and fetch the layer's CRS from PostGIS
getcrs_cmd = [
"psql",
"-w",
"-h",
GEOSERVER_PGSQL_HOST,
"-p",
GEOSERVER_PGSQL_PORT,
"-d",
GEOSERVER_PGSQL_DATABASE,
"-U",
GEOSERVER_PGSQL_USERNAME,
"-A",
"-t",
"-c",
"SELECT public.ST_SRID(wkb_geometry) FROM {}.{} LIMIT 1;".format(sync_job["schema"], sync_job["name"]),
]
getcrs = subprocess.Popen(getcrs_cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=env)
getcrs_output = getcrs.communicate()
if not getcrs_output[0]:
crs = GEOSERVER_DEFAULT_CRS
message = "No CRS found for {}.{}, using default of {}".format(sync_job["schema"], sync_job["name"], crs)
task_status.set_message("message", message)
logger.info(message)
else:
srid = getcrs_output[0].decode("utf-8").strip()
crs = "EPSG:{}".format(srid)
if len(srid) == 6 and srid.startswith("90"):
crs = GEOSERVER_DEFAULT_CRS
message = "Layer {}.{} has the non-standard SRID {}! Check the Borg Collector definition for this input and force a standard CRS if necessary. For now, the layer will be published with default CRS {}".format(
sync_job["schema"], sync_job["name"], srid, crs
)
logger.warn(message)
task_status.set_message("message", message)
else:
message = "Found CRS for {}.{}: {}".format(sync_job["schema"], sync_job["name"], crs)
logger.info(message)
task_status.set_message("message", message)
gs.publish_featuretype(
sync_job["name"],
get_datastore(sync_job),
crs,
keywords=(sync_job.get("keywords", None) or []) + (sync_job.get("applications", None) or []),
title=sync_job.get("title", None),
abstract=sync_job.get("abstract", None),
nativeName=sync_job.get("table", None),
)
name = task_feature_name(sync_job)
l_gs = gs.get_layer(name)
if not l_gs:
raise Exception("Layer({0}) not registering.".format(name))
def delete_feature(sync_job, task_metadata, task_status):
l_gs = gs.get_layer("{}:{}".format(sync_job["workspace"], sync_job["name"]))
if l_gs:
gs.delete(l_gs)
def get_feature(sync_job):
l_gs = gs.get_layer(task_feature_name(sync_job))
if not l_gs:
raise Exception("Feature ({0}) does not exist".format(task_feature_name(sync_job)))
return l_gs
def delete_feature(sync_job, task_metadata, task_status):
feature_name = "{}:{}".format(sync_job["workspace"], sync_job["name"])
l_gs = gs.get_layer(feature_name)
styles = {}
feature_exist = False
# try to find associated feature's private styles
if l_gs:
# delete alternate styles
feature_exist = True
for s_gs in l_gs.styles or {}:
if s_gs.name.startswith(sync_job["name"]):
# the alternate style is only used by this feature, save it for delete.
styles[s_gs.name] = s_gs
# try to delete default style
if l_gs.default_style and l_gs.default_style.name.startswith(sync_job["name"]):
# has default style and default style is only used by this feature, save it for delete it.
styles[l_gs.default_style.name] = l_gs.default_style
# try to find feature's private styles but failed to attach to the feature
for name, style in sync_job["styles"].iteritems():
style_name = geoserver_style_name(sync_job, name)
if style_name in styles:
continue
s_gs = gs.get_style(name=style_name, workspace=sync_job["workspace"])
if s_gs:
styles[style_name] = s_gs
# delete the feature
if l_gs:
# delete layer
gs.delete(l_gs)
# delete feature
url = (
GEOSERVER_REST_URL
+ "workspaces/"
+ sync_job["workspace"]
+ "/datastores/"
+ store_name(sync_job)
+ "/featuretypes/"
+ sync_job["name"]
+ ".xml"
)
gs.delete(Feature(l_gs, url))
# delete the styles
for style in styles.itervalues():
gs.delete(style)
if feature_exist:
if styles:
task_status.set_message(
"message",
os.linesep.join(
[
"Succeed to delete feature ({})".format(feature_name),
"Succeed to delete private styles ({}).".format(
", ".join([name for name in styles.iterkeys()])
),
]
),
)
else:
task_status.set_message("message", "Succeed to delete feature ({}).".format(feature_name))
else:
if styles:
task_status.set_message(
"message",
os.linesep.join(
[
"Feature ({}) doesn't exist.".format(feature_name),
"Succeed to delete private styles ({}).".format(
", ".join([name for name in styles.iterkeys()])
),
]
),
)
else:
task_status.set_message("message", "Feature ({}) doesn't exist.".format(feature_name))
