def empty_layer(self,layer):
http_method = requests.post
url = "{0}/seed/{1}:{2}.xml".format(self._rest_url,layer["workspace"],layer["name"])
#launch the truncate task
template = template_env.get_template('gwc_layer_empty.xml')
for gridset in ("gda94","mercator"):
for f in ("image/png","image/jpeg"):
data = template.render({'layer':layer,'format':f,'gridset':gridset})
resp = http_method(url, auth=(self._user, self._password), headers={'content-type':'text/xml'}, data=data)
if resp.status_code >= 400:
raise Exception("Empty gwc failed. ({0}: {1})".format(resp.status_code, resp.content))
#check whether the task is finished or not.
finished = False
while(finished):
finished = True
resp = requests.get(self.get_layer_url(layer['workspace'],layer['name']), auth=(self._user, self._password), headers={'content-type':'application/json'})
if resp.status_code >= 400:
raise Exception("Empty gwc failed. ({0}: {1})".format(resp.status_code, resp.content))
tasks=json.loads(resp.content).get("long-array-array",[])
for t in tasks:
if t[3] == -1:
#aborted
raise Exception("Some task is aborted.")
elif t[3] in (0,1):
finished = False
break
if not finished:
time.sleep(1)
def update_layer(sync_job, task_metadata, task_status):
"""
update a layer
"""
sync_job["applications"] = sync_job["applications"] or []
res = requests.get(
get_layer_url(sync_job["workspace"], sync_job["store"], sync_job["name"]),
auth=(GEOSERVER_USERNAME, GEOSERVER_PASSWORD),
)
if res.status_code == 200:
http_method = requests.put
request_url = get_layer_url(sync_job["workspace"], sync_job["store"], sync_job["name"])
else:
http_method = requests.post
request_url = get_layers_url(sync_job["workspace"], sync_job["store"])
template = template_env.get_template("wms_layer.xml")
res = http_method(
request_url,
auth=(GEOSERVER_USERNAME, GEOSERVER_PASSWORD),
headers=update_headers,
data=template.render(sync_job),
)
if res.status_code >= 400:
raise Exception("{0}: {1}".format(res.status_code, get_http_response_exception(res)))
def update_store(sync_job, task_metadata, task_status):
"""
update a store
"""
if sync_job.get("geoserver_setting", None) is None:
sync_job["geoserver_setting"] = {}
res = requests.get(
get_store_url(sync_job["workspace"], sync_job["name"]), auth=(GEOSERVER_USERNAME, GEOSERVER_PASSWORD)
)
if res.status_code == 200:
http_method = requests.put
request_url = get_store_url(sync_job["workspace"], sync_job["name"])
else:
http_method = requests.post
request_url = get_stores_url(sync_job["workspace"])
template = template_env.get_template("wms_store.xml")
res = http_method(
request_url,
auth=(GEOSERVER_USERNAME, GEOSERVER_PASSWORD),
headers=update_headers,
data=template.render(sync_job),
)
if res.status_code >= 400:
raise Exception("{0}: {1}".format(res.status_code, get_http_response_exception(res)))
def update_layer(self,layer):
if self.get_layer(layer['workspace'],layer['name']):
#layer exist, update
http_method = requests.post
else:
#layer not exist, add
http_method = requests.put
template = template_env.get_template('gwc_layer_setting.xml')
resp = http_method(self.get_layer_url(layer['workspace'],layer['name']), auth=(self._user, self._password), headers={'content-type':'text/xml'}, data=template.render(layer))
if resp.status_code >= 400:
raise Exception("Update cached layer failed. ({0}: {1})".format(resp.status_code, resp.content))
if not self.get_layer(layer['workspace'],layer['name']):
raise Exception("Update cached layer failed. ({0}: {1})".format(resp.status_code, resp.content))
def update_group(sync_job,task_metadata,task_status):
"""
update a layer group
"""
#update the dependent group first
sub_task = None
for group in sync_job.get('dependent_groups',{}):
sub_task = get_task("update_layer_group",task_name(group))
if sub_task:
#dependent task exist,execute it.
execute_task(*sub_task)
if sub_task[0]["status"].is_not_succeed:
#sub task failed,
raise Exception("update sub group ({0}) failed.".format(sub_task[0]["name"]))
#after update all dependent groups, begin to update current group
res = requests.get(get_group_url(sync_job['workspace'],sync_job['name']), auth=(GEOSERVER_USERNAME, GEOSERVER_PASSWORD))
if res.status_code == 200:
http_method = requests.put
request_url = get_group_url(sync_job['workspace'],sync_job['name'])
else:
http_method = requests.post
request_url = get_groups_url(sync_job['workspace'])
template = template_env.get_template('layergroup.xml')
res = http_method(request_url, auth=(GEOSERVER_USERNAME, GEOSERVER_PASSWORD), headers=update_headers, data=template.render(sync_job))
if res.status_code >= 400:
if http_method == requests.put:
logger.warning("update group({0}) failed, try to delete and readd it".format(sync_job['name']))
#update layergroup with different number of layers will cause "Layer group has different number of styles than layers"
#so delete layergroup first and then readd it.
res = requests.delete(get_group_url(sync_job['workspace'],sync_job['name']), auth=(GEOSERVER_USERNAME, GEOSERVER_PASSWORD))
if res.status_code >= 400:
raise Exception("{0}: {1}".format(res.status_code, get_http_response_exception(res)))
http_method = requests.post
request_url = get_groups_url(sync_job['workspace'])
res = http_method(request_url, auth=(GEOSERVER_USERNAME, GEOSERVER_PASSWORD), headers=update_headers, data=template.render(sync_job))
if res.status_code >= 400:
raise Exception("{0}: {1}".format(res.status_code, get_http_response_exception(res)))
else:
raise Exception("{0}: {1}".format(res.status_code, get_http_response_exception(res)))
