[bitbami/mariadb] upgrading to 20.2.1 keeps the statefulset unready while the pods are working flawlessly

[urbaman]

Name and Version

bitnami/mariadb 20.2.1

What architecture are you using?

amd64

What steps will reproduce the bug?

I upgraded to 20.2.1, but it didn't work at first and I found out I had to delete the sts first.
Then, I upgraded the chart, and everything seems to be ok, but the sts still show 0/1 like not recognizing the pods running. The pods were never touched by the upgrade.

Are you using any custom parameters or values?

--namespace mariadb --create-namespace --set metrics.enabled=true --set metrics.serviceMonitor.enabled=true --set metrics.serviceMonitor.labels.release=rancher-monitoring --set primary.persistence.storageClass=<storage-class> --set primary.persistence.size=15Gi --set auth.rootPassword=<password>

What is the expected behavior?

Having the sts in ready state:

$ kubectl get sts -n mariadb
NAME      READY   AGE
mariadb   1/1     14m

What do you see instead?

$ kubectl get pods -n mariadb
NAME                          READY   STATUS    RESTARTS      AGE
mariadb-0                     2/2     Running   8 (32h ago)   30d

$ kubectl get sts -n mariadb
NAME      READY   AGE
mariadb   0/1     14m

$ kubectl describe sts mariadb -n mariadb
Name:               mariadb
Namespace:          mariadb
CreationTimestamp:  Sat, 18 Jan 2025 17:03:49 +0100
Selector:           app.kubernetes.io/component=primary,app.kubernetes.io/instance=mariadb,app.kubernetes.io/name=mariadb,app.kubernetes.io/part-of=mariadb
Labels:             app.kubernetes.io/component=primary
                    app.kubernetes.io/instance=mariadb
                    app.kubernetes.io/managed-by=Helm
                    app.kubernetes.io/name=mariadb
                    app.kubernetes.io/part-of=mariadb
                    app.kubernetes.io/version=11.4.4
                    helm.sh/chart=mariadb-20.2.1
Annotations:        meta.helm.sh/release-name: mariadb
                    meta.helm.sh/release-namespace: mariadb
Replicas:           1 desired | 0 total
Update Strategy:    RollingUpdate
Pods Status:        0 Running / 0 Waiting / 0 Succeeded / 0 Failed
Pod Template:
  Labels:           app.kubernetes.io/component=primary
                    app.kubernetes.io/instance=mariadb
                    app.kubernetes.io/managed-by=Helm
                    app.kubernetes.io/name=mariadb
                    app.kubernetes.io/part-of=mariadb
                    app.kubernetes.io/version=11.4.4
                    helm.sh/chart=mariadb-20.2.1
  Annotations:      checksum/configuration: 78fabe5af5ef34e176b681ed0cc21b31be6ce9fba1005cd049745fa7c32c3e61
  Service Account:  mariadb
  Init Containers:
   preserve-logs-symlinks:
    Image:           docker.io/bitnami/mariadb:11.4.4-debian-12-r2
    Port:            <none>
    Host Port:       <none>
    SeccompProfile:  RuntimeDefault
    Command:
      /bin/bash
    Args:
      -ec
      #!/bin/bash

      . /opt/bitnami/scripts/libfs.sh
      # We copy the logs folder because it has symlinks to stdout and stderr
      if ! is_dir_empty /opt/bitnami/mariadb/logs; then
        cp -r /opt/bitnami/mariadb/logs /emptydir/app-logs-dir
      fi

    Limits:
      cpu:                375m
      ephemeral-storage:  2Gi
      memory:             384Mi
    Requests:
      cpu:                250m
      ephemeral-storage:  50Mi
      memory:             256Mi
    Environment:          <none>
    Mounts:
      /emptydir from empty-dir (rw)
  Containers:
   mariadb:
    Image:           docker.io/bitnami/mariadb:11.4.4-debian-12-r2
    Port:            3306/TCP
    Host Port:       0/TCP
    SeccompProfile:  RuntimeDefault
    Limits:
      cpu:                375m
      ephemeral-storage:  2Gi
      memory:             384Mi
    Requests:
      cpu:                250m
      ephemeral-storage:  50Mi
      memory:             256Mi
    Liveness:             exec [/bin/bash -ec password_aux="${MARIADB_ROOT_PASSWORD:-}"
if [[ -f "${MARIADB_ROOT_PASSWORD_FILE:-}" ]]; then
    password_aux=$(cat "$MARIADB_ROOT_PASSWORD_FILE")
fi
mariadb-admin status -uroot -p"${password_aux}"
] delay=120s timeout=1s period=10s #success=1 #failure=3
    Readiness:  exec [/bin/bash -ec password_aux="${MARIADB_ROOT_PASSWORD:-}"
if [[ -f "${MARIADB_ROOT_PASSWORD_FILE:-}" ]]; then
    password_aux=$(cat "$MARIADB_ROOT_PASSWORD_FILE")
fi
mariadb-admin ping -uroot -p"${password_aux}"
] delay=30s timeout=1s period=10s #success=1 #failure=3
    Environment:
      BITNAMI_DEBUG:          false
      MARIADB_ROOT_PASSWORD:  <set to the key 'mariadb-root-password' in secret 'mariadb'>  Optional: false
      MARIADB_DATABASE:       my_database
      MARIADB_ENABLE_SSL:     no
    Mounts:
      /bitnami/mariadb from data (rw)
      /opt/bitnami/mariadb/conf from empty-dir (rw,path="app-conf-dir")
      /opt/bitnami/mariadb/conf/my.cnf from config (rw,path="my.cnf")
      /opt/bitnami/mariadb/logs from empty-dir (rw,path="app-logs-dir")
      /opt/bitnami/mariadb/tmp from empty-dir (rw,path="app-tmp-dir")
      /tmp from empty-dir (rw,path="tmp-dir")
   metrics:
    Image:      docker.io/bitnami/mysqld-exporter:0.16.0-debian-12-r3
    Port:       9104/TCP
    Host Port:  0/TCP
    Command:
      /bin/bash
      -ec
      password_aux="${MARIADB_ROOT_PASSWORD:-}"
      if [[ -f "${MARIADB_ROOT_PASSWORD_FILE:-}" ]]; then
          password_aux=$(cat "$MARIADB_ROOT_PASSWORD_FILE")
      fi
      MYSQLD_EXPORTER_PASSWORD=${password_aux} /bin/mysqld_exporter --mysqld.address=localhost:3306 --mysqld.username=root --web.listen-address=:9104

    Limits:
      cpu:                150m
      ephemeral-storage:  2Gi
      memory:             192Mi
    Requests:
      cpu:                100m
      ephemeral-storage:  50Mi
      memory:             128Mi
    Liveness:             http-get http://:metrics/metrics delay=120s timeout=1s period=10s #success=1 #failure=3
    Readiness:            http-get http://:metrics/metrics delay=30s timeout=1s period=10s #success=1 #failure=3
    Environment:
      MARIADB_ROOT_PASSWORD:  <set to the key 'mariadb-root-password' in secret 'mariadb'>  Optional: false
    Mounts:
      /tmp from empty-dir (rw,path="tmp-dir")
  Volumes:
   empty-dir:
    Type:       EmptyDir (a temporary directory that shares a pod's lifetime)
    Medium:
    SizeLimit:  <unset>
   config:
    Type:          ConfigMap (a volume populated by a ConfigMap)
    Name:          mariadb
    Optional:      false
  Node-Selectors:  <none>
  Tolerations:     <none>
Volume Claims:
  Name:          data
  StorageClass:  asustornas1-nfs
  Labels:        app.kubernetes.io/component=primary
                 app.kubernetes.io/instance=mariadb
                 app.kubernetes.io/name=mariadb
  Annotations:   <none>
  Capacity:      15Gi
  Access Modes:  [ReadWriteOnce]
Events:          <none>

[javsalgar]

Hi,

From which version are you trying to upgrade the chart?