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fix(balancer) log the tries upon a dns error #3177

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Jan 25, 2018
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fix(balancer) log the tries upon a dns error #3177

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10 changes: 7 additions & 3 deletions kong/core/balancer.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -696,10 +696,14 @@ local function execute(target)

else
-- have to do a regular DNS lookup
ip, port = toip(target.host, target.port, dns_cache_only)
local try_list
ip, port, try_list = toip(target.host, target.port, dns_cache_only)
hostname = target.host
if not ip and port == "dns server error: 3 name error" then
return nil, "name resolution failed", 503
if not ip then
log(ERR, "[dns] ", port, ". Tried: ", tostring(try_list))
if port == "dns server error: 3 name error" then
return nil, "name resolution failed", 503
end
end
end

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