Open abdidarmawan007 opened 2 years ago
@abdidarmawan007
Error Logs 2022-09-16 15:07:53.940 ICTNo custom pgpool.conf detected. Use environment variables and default config. Info 2022-09-16 15:07:53.943 ICTERROR: PGPOOL_PARAMS_BACKEND_HOSTNAME0 environment variable is not set, exiting...
The error message shows backend_hostname0
wasn't specified.
Did you specify backend_hostname0
in your configmap?
Deployment and configmap follow from https://www.pgpool.net/docs/pgpool-II-4.2.3/en/html/example-kubernetes.html
Sorry, this document is old. Please refer to the doc below: https://github.com/pgpool/pgpool2_on_k8s/blob/master/docs/index.md
May I close this issue?
I had the same issue following the tutorial, here is my YAML file:
apiVersion: apps/v1
kind: Deployment
metadata:
name: pgpool
namespace: postgresql
spec:
replicas: 1
selector:
matchLabels:
app: pgpool
template:
metadata:
labels:
app: pgpool
spec:
containers:
- name: pgpool
image: pgpool/pgpool:4.2
volumeMounts:
- name: pgpool-config
mountPath: /usr/local/pgpool-II/etc
- name: pgpool-stats
image: pgpool/pgpool2_exporter:1.0
volumes:
- name: pgpool-config
configMap:
name: pgpool-config
---
apiVersion: v1
kind: ConfigMap
metadata:
name: pgpool-config
namespace: postgresql
labels:
app: pgpool-config
data:
pgpool.conf: |-
listen_addresses = '*'
port = 9999
socket_dir = '/var/run/postgresql'
pcp_listen_addresses = '*'
pcp_port = 9898
pcp_socket_dir = '/var/run/postgresql'
backend_hostname0 = '<...>'
backend_port0 = 5432
backend_weight0 = 1
backend_flag0 = 'ALWAYS_PRIMARY|DISALLOW_TO_FAILOVER'
backend_hostname1 = '<...>'
backend_port1 = 5432
backend_weight1 = 1
backend_flag1 = 'DISALLOW_TO_FAILOVER'
backend_hostname2 = '<...>'
backend_port2 = 5432
backend_weight2 = 1
backend_flag2 = 'DISALLOW_TO_FAILOVER'
sr_check_user = 'postgres'
sr_check_period = 10
enable_pool_hba = on
master_slave_mode = on
num_init_children = 32
max_pool = 4
child_life_time = 300
child_max_connections = 0
connection_life_time = 0
client_idle_limit = 0
connection_cache = on
load_balance_mode = on
pcp.conf: |-
postgres:<...>
pool_passwd: |-
postgres:<...>
pool_hba.conf: |-
local all all trust
host all all 127.0.0.1/32 trust
host all all ::1/128 trust
host all all 0.0.0.0/0 md5
I'll keep investigating here and share anything I learn about it.
I solved the issue here.
entrypoint.sh
tries to copy the configuration file from $PGPOOL_CONFIG_VOLUME
to the expected directory. The Dockerfile defines $PGPOOL_CONF_VOLUMEas
/config`. Yet, the documentation example tells us to mount the ConfigMap into /usr/local/pgpool-II/etc
.
I got it to work by changing
mountPath: /usr/local/pgpool-II/etc
to
mountPath: /config
image: pgpool/pgpool:4.2
Error Logs 2022-09-16 15:07:53.940 ICTNo custom pgpool.conf detected. Use environment variables and default config. Info 2022-09-16 15:07:53.943 ICTERROR: PGPOOL_PARAMS_BACKEND_HOSTNAME0 environment variable is not set, exiting...
Deployment and configmap follow from https://www.pgpool.net/docs/pgpool-II-4.2.3/en/html/example-kubernetes.html