sober-wang opened a new issue #3367:
URL: https://github.com/apache/apisix/issues/3367
### Issue description
When the apisix running in kubernetes ,If etcd cluster is stop, the apisix
status is still running.
I have a k8s cluster and my apisix on k8s ,
the etcd is outof the k8s cluster
### Environment
k8s version: 1.18.2
apisix version: 2.1
etcd version: v3.4.3-0
### Minimal test code / Steps to reproduce the issue
I have a k8s cluster and my apisix on k8s ,
the etcd is outof the k8s cluster
this is my apisix-create.yaml
```yaml
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: apisix-gw
name: apisix-gw-deployment
namespace: ws
spec:
progressDeadlineSeconds: 600
replicas: 1
revisionHistoryLimit: 10
selector:
matchLabels:
app: apisix-gw
strategy:
rollingUpdate:
maxSurge: 25%
maxUnavailable: 25%
type: RollingUpdate
template:
metadata:
creationTimestamp: null
labels:
app: apisix-gw
spec:
affinity:
podAntiAffinity:
preferredDuringSchedulingIgnoredDuringExecution:
- podAffinityTerm:
labelSelector:
matchExpressions:
- key: ingress
operator: In
values:
- controller
topologyKey: kubernetes.io/hostname
weight: 100
containers:
- env:
- name: TZ
value: Asia/Shanghai
- name: POD_NAME
valueFrom:
fieldRef:
apiVersion: v1
fieldPath: metadata.name
- name: POD_NAMESPACE
valueFrom:
fieldRef:
apiVersion: v1
fieldPath: metadata.namespace
image: myregistry.com/ops/apisix:v2
imagePullPolicy: IfNotPresent
name: apisix-gw-deployment
ports:
- containerPort: 9080
hostPort: 9080
name: http
protocol: TCP
- containerPort: 9443
hostPort: 9443
name: https
protocol: TCP
readinessProbe:
failureThreshold: 6
initialDelaySeconds: 10
periodSeconds: 10
successThreshold: 1
tcpSocket:
port: 9080
timeoutSeconds: 1
resources: {}
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
volumeMounts:
- mountPath: /usr/local/apisix/conf/config.yaml
name: apisix-config-yaml-configmap
subPath: config.yaml
- mountPath: /etc/localtime
name: localtime
readOnly: true
dnsPolicy: ClusterFirst
hostNetwork: true
initContainers:
- command:
- /bin/sh
- -c
- |
sysctl -w net.core.somaxconn=65535
sysctl -w net.ipv4.ip_local_port_range="1024 65535"
sysctl -w net.ipv4.tcp_max_syn_backlog=8192
sysctl -w fs.file-max=1048576
sysctl -w fs.inotify.max_user_instances=16384
sysctl -w fs.inotify.max_user_watches=524288
sysctl -w fs.inotify.max_queued_events=16384
image: busybox:latest
imagePullPolicy: Always
name: init-sysctl
resources: {}
securityContext:
privileged: true
procMount: Default
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
restartPolicy: Always
schedulerName: default-scheduler
securityContext: {}
terminationGracePeriodSeconds: 30
volumes:
- configMap:
defaultMode: 420
name: apisix-gw-config.yaml
name: apisix-config-yaml-configmap
- hostPath:
path: /etc/localtime
type: File
name: localtime
---
apiVersion: v1
data:
config.yaml: |
----
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# If you want to set the specified configuration value, you can set the new
# in this file. For example if you want to specify the etcd address:
#
etcd:
host:
- "http://192.168.1.1:2379";
#
# To configure via environment variables, you can use `${{VAR}}` syntax. For
instance:
#
# etcd:
# host:
# - "http://${{ETCD_HOST}}:2379";
#
# If the configured environment variable can't be found, an error will be
thrown.
apisix:
admin_key:
-
name: "admin"
key: edd1c9f034335f136f87ad84b625c8f1
# using fixed API token has security risk, please
# update it when you deploy to production environment
role: admin
Events: <none>
kind: ConfigMap
metadata:
name: apisix-gw-config.yaml
namespace: ws
```
### Logs
we only enter the apisix pod , `cd logs/` the error.log have more error .
### Execpt
We should build a health chek. and use k8s http check and the error log can
print the /dev/stderr.
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