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Handle possibly nil tables

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This commit is contained in:
emanuele-f 2019-07-12 12:51:53 +02:00
parent 2459794216
commit 8a8157a015
3 changed files with 3 additions and 3 deletions
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2
scripts/callbacks/interface/alerts/interface.lua
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@ -31,7 +31,7 @@ function checkInterfaceAlerts(granularity)
local info = interface.getStats()
local ifid = interface.getId()
local interface_key = "iface_"..ifid
local interface_config = config_alerts[interface_key]
local interface_config = config_alerts[interface_key] or {}
local global_config = config_alerts["interfaces"] or {}
local has_configured_alerts = (table.len(interface_config or global_config) > 0)