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add host info to connection docs (#1319)

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Felix Kunde 2021-01-19 10:47:32 +01:00 committed by GitHub
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@ -71,26 +71,26 @@ kubectl describe postgresql acid-minimal-cluster
## Connect to PostgreSQL
With a `port-forward` on one of the database pods (e.g. the master) you can
connect to the PostgreSQL database. Use labels to filter for the master pod of
our test cluster.
connect to the PostgreSQL database from your machine. Use labels to filter for
the master pod of our test cluster.
```bash
# get name of master pod of acid-minimal-cluster
export PGMASTER=$(kubectl get pods -o jsonpath={.items..metadata.name} -l application=spilo,cluster-name=acid-minimal-cluster,spilo-role=master)
export PGMASTER=$(kubectl get pods -o jsonpath={.items..metadata.name} -l application=spilo,cluster-name=acid-minimal-cluster,spilo-role=master -n default)
# set up port forward
kubectl port-forward $PGMASTER 6432:5432
kubectl port-forward $PGMASTER 6432:5432 -n default
```
Open another CLI and connect to the database. Use the generated secret of the
`postgres` robot user to connect to our `acid-minimal-cluster` master running
in Minikube. As non-encrypted connections are rejected by default set the SSL
mode to require:
Open another CLI and connect to the database using e.g. the psql client.
When connecting with the `postgres` user read its password from the K8s secret
which was generated when creating the `acid-minimal-cluster`. As non-encrypted
connections are rejected by default set the SSL mode to `require`:
```bash
export PGPASSWORD=$(kubectl get secret postgres.acid-minimal-cluster.credentials -o 'jsonpath={.data.password}' | base64 -d)
export PGSSLMODE=require
psql -U postgres -p 6432
psql -U postgres -h localhost -p 6432
```
## Defining database roles in the operator