Yiyiyimu commented on issue #3673:
URL: https://github.com/apache/apisix/issues/3673#issuecomment-787094518
Hi @GBXing, I tried to reproduce the problem, and the result seems a bit
different from what you get. My reproduce step is:
1. Configure etcd host with domain name:
```
DNS_IP=$(kubectl get svc -n kube-system -l k8s-app=kube-dns -o
'jsonpath={..spec.clusterIP}')
echo "dns_resolver:
- ${DNS_IP}
etcd:
host:
- \\"<http://etcd-cluster-client.default.svc.cluster.local:2379>\\"
" > ./conf/config.yaml
```
2. Setup APISIX and everything works as expect
3. Kill leader/follower pod of etcd ( gives me the same result ), and the
error log would produce:
```
# Multiple of
2021/02/27 15:30:19 [error] 49#49: *114289 [lua] config_etcd.lua:566:
failed to fetch data from etcd:
/usr/local/apisix//deps/share/lua/5.1/resty/etcd/v3.lua:593: attempt to index
field 'result' (a nil value)
stack traceback:
/usr/local/apisix//deps/share/lua/5.1/resty/etcd/v3.lua:593: in function
'res_func'
/usr/local/apisix/apisix/core/config_etcd.lua:125: in function 'waitdir'
/usr/local/apisix/apisix/core/config_etcd.lua:305: in function
'sync_data'
/usr/local/apisix/apisix/core/config_etcd.lua:540: in function
</usr/local/apisix/apisix/core/config_etcd.lua:530>
[C]: in function 'xpcall'
/usr/local/apisix/apisix/core/config_etcd.lua:530: in function
</usr/local/apisix/apisix/core/config_etcd.lua:521>, etcd key:
/apisix/global_rules, context: ngx.timer
# Multiple of
2021/02/27 15:30:38 [error] 53#53: *113602 [lua] config_etcd.lua:544:
failed to fetch data from etcd: connection refused, etcd key: /apisix/ssl,
context: ngx.timer
```
With etcd-operator, etcd got unreachable for seconds and returned back
to normal.
Is there any places I missed
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