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add a function for getting specified peer status #57

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add a function for getting specified peer status #57

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33 changes: 33 additions & 0 deletions lib/resty/upstream/healthcheck.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -695,4 +695,37 @@ function _M.status_page()
return concat(bits)
end

function _M.get_peer_status(upstream, peer_name)
local peer_status = "DOWN"
local us, err = get_upstreams()
if not us then
return "failed to get upstream names: " .. err
end

local n = #us
for i = 1, n do
local u = us[i]
if upstream == u then
local peers, err = get_primary_peers(u)
if not peers then
return "failed to get primary peers in upstream " .. u .. ": " .. err
end
local npeers = #peers
for j = 1, npeers do
local peer = peers[j]
if peer.name == peer_name then
if peer.down then
peer_status = "DOWN"
else
peer_status = "UP"
end
break
end
end
break
end
end
return peer_status
end

return _M