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Fixes possibly clashing interface ids after interface data deletion

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Fixes #3963
This commit is contained in:
Simone Mainardi 2020-05-20 11:29:53 +02:00
parent 21e274e933
commit d5166394a5
1 changed files with 6 additions and 1 deletions
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7
scripts/lua/modules/delete_data_utils.lua
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@ -264,6 +264,9 @@ local function delete_interfaces_redis_keys(interfaces_list, preserve_prefs)
-- examples:
-- ntopng.prefs.enp2s0f0_not_idle
string.format("%s.%s_*", pref_prefix, if_name),
-- examples:
-- ntopng.dhcp.0.cache
string.format("ntopng.dhcp.%d.*", if_id),
}
delete_keys_patterns(keys_patterns, preserve_prefs)
@ -325,7 +328,9 @@ end
local function delete_interfaces_ids(interfaces_list)
local status = "OK"
for if_id, if_name in pairs(interfaces_list) do
for if_id, _ in pairs(interfaces_list) do
local if_name = ntop.getHashCache(ALL_INTERFACES_HASH_KEYS, if_id)
-- delete the interface from the all interfaces hash
-- this will cause the id to be re-used
if not dry_run then