SODEW/sodew-bash-main/docs/resources/mariadb.md

KUBE  /  k3s  /  MariaDB

Resource MariaDB

Note

A replica of two pods mariadb-master and mariadb-slave is created. Each of the pods has a separate storage. When configuring the connection, the host is specified: mariadb-master.

• Install
• Remove
• Status
• Info
• Version
• Database list
• User list
• Dump

---

Install

Processing

1. Preparation.

   • Recreate the secret with the passwords root-password and replication-password.

2. Creation.

   • Prepare the import file.
   • Import the YAML.

3. Post-processing.

   • Initialize the replica.

Command:

sudo kube.sh --mariadb install

Example of log:

🔹[K3S] Resource add | mariadb
✅[MariaDB] | Delete old Secret: OK
✅[MariaDB] | Create new Secret: OK
🔹[MariaDB] Preparing /app/kube/assets/yaml/mariadb.yaml
🔹[K3S] Applying YAML /app/kube/data/yaml/mariadb.yaml
💡[K3S] Waiting for pods to be ready... | 2 not ready
💡[K3S] Waiting for pods to be ready... | 1 not ready
✅[MariaDB] Applied /app/kube/data/yaml/mariadb.yaml
🔹[MariaDB] Replica initialization...
✅[MariaDB] Master node | Create replication user: OK
✅[MariaDB] Master node | Status: OK
✅[MariaDB] Slave node | Change master: OK
✅[MariaDB] Slave node | Status: OK | Delay 0s
✅[MariaDB] Replica initialization completed successfully

---

Remove

Command:

sudo kube.sh --mariadb remove

---

Status

Command:

sudo kube.sh --mariadb status

Example of log:

🔹[MariaDB] Status
✅[MariaDB] Databases: 10 | Users: 10 | Size: 1.234 Gb
✅[MariaDB] Master node | Running
✅[MariaDB] Slave node | Running

---

Info

Command:

sudo kube.sh --mariadb info

Example of log:

🔹[MariaDB] Info
🔹[MariaDB] Master node
mysql-bin.000025	10341
🔹[MariaDB] Slave node
*************************** 1. row ***************************
                Slave_IO_State: Waiting for master to send event
                   Master_Host: mariadb-master
                   Master_User: replication_user
                   Master_Port: 3306
...

---

Version

Command:

sudo kube.sh --mariadb version

Example of log:

🔹[MariaDB] Version
✅[MariaDB] Master node | mariadb from 11.7.2-MariaDB, client 15.2 for debian-linux-gnu (x86_64) using  EditLine wrapper
✅[MariaDB] Slave node | mariadb from 11.7.2-MariaDB, client 15.2 for debian-linux-gnu (x86_64) using  EditLine wrapper

---

Database list

Note

List of databases (except for service databases: information_schema, performance_schema, mysql, sys)

Command:

sudo kube.sh --mariadb database

Example of log:

🔹[MariaDB] Database list
us1_example_com
us2_example_com
us3_example_com

---

User list

Note

List of users (except for service users root, replication_user)

Command:

sudo kube.sh --mariadb user

Example of log:

🔹[MariaDB] User list
us1_example_com
us2_example_com
us3_example_com

---

Dump

Command:

sudo kube.sh --mariadb dump
sudo kube.sh --mariadb dump dump.sql
sudo kube.sh --mariadb dump dump.sql us1_example_com

Example of log:

🔹[MariaDB] Dump
✅[MariaDB] Dump: /app/kube/data/mariadb/2025-10-27_10-10-58.sql.tar.gz