haowang-pony opened a new issue #710:
URL: https://github.com/apache/apisix-ingress-controller/issues/710
### Issue description
I want to set the default_cluster_admin_key from env variable. I have such
config.yaml file and set the `ADMIN_PASSWORD` as env. And I mount the
config.yaml as configMap for my apisix-ingress-controller pods. but the
config.yaml couldn't read the `ADMIN_PASSWORD` from os environment.
apisix-ingress-controller config.yaml
```
apisix:
default_cluster_base_url:
"http://apisix-admin.ingress-apisix:9180/apisix/admin";
default_cluster_admin_key: "${ADMIN_PASSWORD}"
log_level: "debug"
log_output: "stderr"
http_listen: ":8080"
enable_profiling: true
kubernetes:
kubeconfig: ""
resync_interval: "30s"
app_namespaces:
- "*"
ingress_class: "apisix"
ingress_version: "networking/v1"
apisix_route_version: "apisix.apache.org/v2beta1"
```
env config
```
env:
- name: ADMIN_PASSWORD
valueFrom:
secretKeyRef:
key: password
name: apisix-admin-secret
```
But the interesting thing is: my apisix config.yaml file could correctly
read `ADMIN_PASSWORD` from environment.
apisix config.yaml
```
apisix:
node_listen: 9080 # APISIX listening port
enable_heartbeat: true
enable_admin: true
enable_admin_cors: true
enable_debug: false
enable_dev_mode: false # Sets nginx worker_processes to 1
if set to true
enable_reuseport: true # Enable nginx SO_REUSEPORT switch
if set to true.
enable_ipv6: true
config_center: etcd # etcd: use etcd to store the
config value
allow_admin: #
http://nginx.org/en/docs/http/ngx_http_access_module.html#allow
- 0.0.0.0/0
port_admin: 9180
admin_key:
# admin: can everything for configuration data
- name: "${ADMIN_USERNAME}"
key: ${ADMIN_PASSWORD}
role: admin
# viewer: only can view configuration data
- name: "${VIEWER_USERNAME}"
key: ${VIEWER_PASSWORD}
role: viewer
```
### Environment
* your apisix-ingress-controller version (output of
`apisix-ingress-controller version --long`); 1.2.0
* your Kubernetes cluster version (output of `kubectl version`); v1.20.11
* if you run apisix-ingress-controller in Bare-metal environment, also show
your OS version (`uname -a`). Linux apisix-ingress-controller-6d46bd8c5c-fwzjq
5.4.0-45-generic #49~18.04.2-Ubuntu SMP Wed Aug 26 16:29:02 UTC 2020 x86_64
Linux
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