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Raise ValueError in getCounters()

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Only there are we able to determine if counters are present.
nft_cmd() only checks if there is any output at all.
This commit is contained in:
Sandro 2022-06-08 01:21:42 +02:00
parent 24e6888b68
commit dedc9683b6
1 changed files with 7 additions and 3 deletions
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10
plugins/network/nft_counters
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@ -124,7 +124,7 @@ def nft_cmd(nftlib, cmd):
if len(output) == 0:
# more error control
raise ValueError("ERROR: no output from libnftables")
raise RuntimeError("ERROR: no output from libnftables")
# transform the libnftables JSON output into generic python data structures
ruleset = json.loads(output)["nftables"]
@ -144,8 +144,12 @@ def getCounters():
nft.set_handle_output(True)
ruleset = nft_cmd(nft, "list counters")
counters = _find_objects(ruleset, "counter")
return _find_objects(ruleset, "counter")
if len(counters) > 0:
return counters
else:
raise ValueError("No counters in nftables")
class MuninNftCountersPlugin(MuninPlugin):
@ -179,7 +183,7 @@ class MuninNftCountersPlugin(MuninPlugin):
"""
MuninPlugin.__init__(self, argv, env, debug)
MuninPlugin.__init__(self, argv, env, debug=True)
# Munin graph parameters
graph_category = "network"