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bump pooler image with pgBouncer 1.17.0 and auth_type md5 #1837

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Merged
merged 3 commits into from
Apr 5, 2022
Merged

bump pooler image with pgBouncer 1.17.0 and auth_type md5 #1837

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448b889
bump pooler image with pgBouncer 1.17.0 and auth_type md5
FxKu Apr 5, 2022
0ab4289
add docs about scram hasher
FxKu Apr 5, 2022
be8527c
only one yaml
FxKu Apr 5, 2022
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2 changes: 1 addition & 1 deletion charts/postgres-operator/crds/operatorconfigurations.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -588,7 +588,7 @@ spec:
default: "pooler"
connection_pooler_image:
type: string
default: "registry.opensource.zalan.do/acid/pgbouncer:master-19"
default: "registry.opensource.zalan.do/acid/pgbouncer:master-22"
connection_pooler_max_db_connections:
type: integer
default: 60
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2 changes: 1 addition & 1 deletion charts/postgres-operator/values.yaml
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Expand Up @@ -381,7 +381,7 @@ configConnectionPooler:
# db user for pooler to use
connection_pooler_user: "pooler"
# docker image
connection_pooler_image: "registry.opensource.zalan.do/acid/pgbouncer:master-19"
connection_pooler_image: "registry.opensource.zalan.do/acid/pgbouncer:master-22"
# max db connections the pooler should hold
connection_pooler_max_db_connections: 60
# default pooling mode
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26 changes: 23 additions & 3 deletions docs/user.md
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Expand Up @@ -83,16 +83,36 @@ kubectl port-forward $PGMASTER 6432:5432 -n default
```

Open another CLI and connect to the database using e.g. the psql client.
When connecting with the `postgres` user read its password from the K8s secret
which was generated when creating the `acid-minimal-cluster`. As non-encrypted
connections are rejected by default set the SSL mode to `require`:
When connecting with a manifest role like `foo_user` user, read its password
from the K8s secret which was generated when creating `acid-minimal-cluster`.
As non-encrypted connections are rejected by default set SSL mode to `require`:

```bash
export PGPASSWORD=$(kubectl get secret postgres.acid-minimal-cluster.credentials.postgresql.acid.zalan.do -o 'jsonpath={.data.password}' | base64 -d)
export PGSSLMODE=require
psql -U postgres -h localhost -p 6432
```

## Password encryption

Passwords are encrypted with `md5` hash generation by default. However, it is
possible to use the more recent `scram-sha-256` method by changing the
`password_encryption` parameter in the Postgres config. You can define it
directly from the cluster manifest:

```yaml
apiVersion: "acid.zalan.do/v1"
kind: postgresql
metadata:
name: acid-minimal-cluster
spec:
[...]
postgresql:
version: "14"
parameters:
password_encryption: scram-sha-256
```

## Defining database roles in the operator

Postgres Operator allows defining roles to be created in the resulting database
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2 changes: 1 addition & 1 deletion manifests/configmap.yaml
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Expand Up @@ -17,7 +17,7 @@ data:
# connection_pooler_default_cpu_request: "500m"
# connection_pooler_default_memory_limit: 100Mi
# connection_pooler_default_memory_request: 100Mi
connection_pooler_image: "registry.opensource.zalan.do/acid/pgbouncer:master-19"
connection_pooler_image: "registry.opensource.zalan.do/acid/pgbouncer:master-22"
# connection_pooler_max_db_connections: 60
# connection_pooler_mode: "transaction"
# connection_pooler_number_of_instances: 2
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2 changes: 1 addition & 1 deletion manifests/minimal-fake-pooler-deployment.yaml
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Expand Up @@ -23,7 +23,7 @@ spec:
serviceAccountName: postgres-operator
containers:
- name: postgres-operator
image: registry.opensource.zalan.do/acid/pgbouncer:master-19
image: registry.opensource.zalan.do/acid/pgbouncer:master-22
imagePullPolicy: IfNotPresent
resources:
requests:
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2 changes: 1 addition & 1 deletion manifests/operatorconfiguration.crd.yaml
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Expand Up @@ -586,7 +586,7 @@ spec:
default: "pooler"
connection_pooler_image:
type: string
default: "registry.opensource.zalan.do/acid/pgbouncer:master-19"
default: "registry.opensource.zalan.do/acid/pgbouncer:master-22"
connection_pooler_max_db_connections:
type: integer
default: 60
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2 changes: 1 addition & 1 deletion manifests/postgresql-operator-default-configuration.yaml
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Expand Up @@ -187,7 +187,7 @@ configuration:
connection_pooler_default_cpu_request: "500m"
connection_pooler_default_memory_limit: 100Mi
connection_pooler_default_memory_request: 100Mi
connection_pooler_image: "registry.opensource.zalan.do/acid/pgbouncer:master-19"
connection_pooler_image: "registry.opensource.zalan.do/acid/pgbouncer:master-22"
# connection_pooler_max_db_connections: 60
connection_pooler_mode: "transaction"
connection_pooler_number_of_instances: 2
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