Yiyiyimu commented on a change in pull request #4191:
URL: https://github.com/apache/apisix/pull/4191#discussion_r658647753
##########
File path: apisix/core/config_etcd.lua
##########
@@ -545,7 +558,34 @@ local function _automatic_fetch(premature, self)
local ok, err = sync_data(self)
if err then
- if err ~= "timeout" and err ~= "Key not found"
+ if string.find(err, "connection refused")
+ or string.find(err, "Service Unavailable") then
+ log.warn(err, ", ", tostring(self))
Review comment:
This part got removed
##########
File path: apisix/core/config_etcd.lua
##########
@@ -545,7 +558,34 @@ local function _automatic_fetch(premature, self)
local ok, err = sync_data(self)
if err then
- if err ~= "timeout" and err ~= "Key not found"
+ if string.find(err, "connection refused")
+ or string.find(err, "Service Unavailable") then
+ log.warn(err, ", ", tostring(self))
+ local etcd_cli, err = get_etcd(true)
+ if not etcd_cli then
+ error("all etcd endpoints are unhealthy: " .. err)
+ end
+ self.etcd_cli = etcd_cli
+ log.warn("changed to new etcd endpoint")
+ elseif string.find(err, "has no healthy etcd endpoint
available") then
+ log.warn(err, ", ", tostring(self))
+ local reconnected = false
+ while err and not reconnected do
+ local backoff_duration, backoff_factor, backoff_step =
1, 2, 10
+ for _ = 0, backoff_step, 1 do
+ ngx_sleep(backoff_duration)
+ _, err = sync_data(self)
+ if not string.find(err, "has no healthy etcd
endpoint available") then
Review comment:
Fixed. Thanks!
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