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Plugin feinstaubsensor: omit graphs for missing API fieldnames

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Some sensor data fields may not be available, if the specific component
is missing.
This commit is contained in:
Lars Kruse 2020-10-31 23:19:53 +01:00
parent 137913e39d
commit 90d214cd5a
1 changed files with 30 additions and 21 deletions
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27
plugins/luftdaten/feinstaubsensor
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@ -176,6 +176,22 @@ def get_sensor_data(host):
def print_graph_section(graph_description, hosts, include_config, include_values):
# retrieve the data and omit ony output, if the relevant key is missing
results = []
for host_info in hosts:
data = get_sensor_data(host_info.host)
if data:
for dataset in data["sensordatavalues"]:
if dataset["value_type"] == graph_description["api_value_name"]:
results.append((host_info, dataset["value"]))
break
else:
# We cannot distinguish between fields that are not supported by the sensor (most
# are optional) and missing data. Thus we cannot handle online/offline sensor data
# fields, too.
pass
# skip this multigraph, if no host contained this data field
if results:
print("multigraph {}".format(graph_description["name"]))
if include_config:
# graph configuration
@ -183,18 +199,11 @@ def print_graph_section(graph_description, hosts, include_config, include_values
for key in ("graph_title", "graph_vlabel", "graph_args", "graph_info"):
if key in graph_description:
print("{} {}".format(key, graph_description[key]))
for host_info in hosts:
for host_info, value in results:
print("{}.label {}".format(host_info.fieldname, host_info.label))
print("{}.type {}".format(host_info.fieldname, graph_description["value_type"]))
if include_values:
for host_info in hosts:
# We cannot distinguish between fields that are not supported by the sensor (most are
# optional) and missing data. Thus we cannot handle online/offline sensor data fields,
# too.
data = get_sensor_data(host_info.host)
if data is not None:
value = data.get(graph_description["api_value_name"])
if value is not None:
for host_info, value in results:
print("{}.value {}".format(host_info.fieldname, value))
print()