Chapter IX Deka DBaaS
Deka DBaaS is used to manage database relationships (database) from storage in a virtual machine deployment. DBaaS is a utility to organize and access the database (database) using relationships between data items expressed by means of a table.
9.1 Create Data Store
This menu explains how to create a data store. By creating the data store user can organize and access their database easily.
- Go to the RDBMS page
- And then click Create Data Store button
Image 9.1 RDBMS Page
- Select Databases, to specify the database vendor of the data store to be created. Available database vendors are as follows MariaDB, MySQL, PostgreSQL, and Redis
Image 9.2 Create Data Store Form - Select a database
- Fill in the Form Creating configuration datastore
Image 9.3 Create Data Store Form
Table 9.1 Form Create Datastore
| Column | Description |
|---|---|
| Name | Data Store Name |
| Tags | Tags make it easier for users to find the related data store they want to search for. Tags are optional to fill so users can leave the field blank. |
| Configuration | To define the configuration for the data store. In Master, users are allowed to read and write including deleting database contents, while Replicas users are only allowed to read database contents. The configurations that can be selected are as follows: - Multi-Master - Master/Replicas |
| Number of Nodes | Select nodes for the data store, the selected nodes can be one or three nodes. If the user select Multi Master in Configuration then there are two options in the Number of Nodes that is - 1 master node - 3 multi-masters node. If the user select Master/Replicas in Configuration then there are two options in the Number of Nodes that is - 1 master node - 1 master, 2 replicas |
- Fill in Name your Database
Image 9.4 Create Data Store Form - Name your database
- Fill in Tags that are related to the data store separated by a comma. For example, tags that related to the College data store are subject, lecture, and student.
Image 9.5 Create Data Store Form - Tags
- Choose the Configuration Multi Master
Image 9.6 Create Data Store Form- Configuration Multi-Master
- Select Number of nodes 1 master node
Table 9.2 Configuration - Multi-Master
| Number of Nodes Multi-Master | Description |
|---|---|
| 1 master node | There is only one node that has read and write permissions on the database |
| 3 multi-masters will be deployed | Three nodes have permissions to read and write to the database |
If in Configuration section the user selects Master/Replicas then in Number of nodes section there are options that can be seen in Image 9.7
Image 9.7 Create Data Store Form - Configuration - Master/Replicas
Table 9.3 Configuration - Master / Replicas
| Number of Nodes Master / Replicas | Description |
|---|---|
| 1 master node | There is only one node that has read and write permissions on the database |
| 1 master, 2 replicas | There is one node that has read and write permissions on the database and two nodes only have read permissions on the database |
- Then, click Continue button to go to the next form page
Image 9.8 Create Data Store Form - Number of Nodes
- Then, click Continue button to go to the next form page
Image 9.9 Create Data Store Form - Cloud Service
- Fill in the form Instances datastore, if the database is filled with more than 90% or more of the database storage space then you can only view the contents of the database without being able to change or add data to the database
Image 9.10 Create Data Store Form - Instances
Table 9.4 Form Instances
| Description | |
|---|---|
| Instances | Select the instance size for the data store. The instance sizes that can be selected according to user requirements are as follows: - 4VCPU, 8GB RAM - 8VCPU, 8GB RAM - 8VCPU, 32GB RAM - 16VCPU, 32GB RAM - 32VCPU, 128GB RAM |
| Storage | Select the volume type, the type that can be selected is Standard or Premium |
| Storage Size | Select the volume size (GiB), the default volume size is 80 GiB |
- Select Instances
Image 9.11 Create Data Store Form - Select Instance Size
- Select Storage
Image 9.12 Create Data Store Form - Select Storage
Table 9.5 Instances - Storage Detail
| Storage | Description |
|---|---|
| Standard | Offers standard SSD storage types offered with input/output performance of 750 to 2500 IOPS |
| Premium | Offers premium SSD storage types offered with input/output performance of 2250 up to 4500 IOPS |
- Enter Storage Size
- Then, click Continue button to go to the next form page
Image 9.13 Form Create Data Store - Input Storage Size
- Select the Network Rype Public, the selected network type cannot be changed by the user
- Then, click Continue button to go to the next page
Image 9.14 Form Create Data Store - Select Network
Table 9.6 Network Type
| Network Type | Description |
|---|---|
| Private | A type of network that can only be accessed by certain people because it has restrictions and rules that limit access |
| Public | The type of network that anyone can access the network |
- On the Preview page there will be summary information of all forms that filled in before
- Then, click Finish button
Image 9.15 Form Create Data Store - Preview Page (a)
Image 9.16 Form Create Data Store - Preview Page (b)
- If the status column is worth deploying.. it means the data store is being processed
Image 9.17 Form Create Data Store - Deploy Data Store
- Data store successfully created if the status column changes to Available
Image 9.18 Form Create Data Store - Data Store Successfully Created
9.2 Data Store Details
- On the Data Stores page, click the Details button
Image 9.16 Data Stores Page - Details
9.2.1 Overview Tab
- On this Overview tab, user can view detailed informations from the data store. All informations are include of state of services, cloud, general information, network, and instance information
Image 9.17 Overview Tab - Data Store Informations
9.2.2 Services Tab
- On this Services tab, user can view detailed of database connection information. All information including public IP to access database from external network, status, type/role/permissions, and connection informations. The user needs to click on the link to display the username and password for access to database
Image 9.18 Services Tab
9.2.3 Monitoring Tab
- On this Monitoring tab, users can see detailed data store usage information. The Monitoring tab displays the usage of (1) Chart set from the System or from the Database node, (2) IP Host used, (3) Present ranges users can choose the time range to be displayed, and (4) Slide On/Off button to Auto Refresh every 30 seconds
Image 9.22 Monitoring Tab
- When clicked System displays the usage of load average, CPU, RAM, network, disk space, disk IO utilization, disk IOPS, and disk throughout. Users can categorize the monitoring view of the metric graph by clicking on the available filter buttons
Image 9.23 Tab Monitoring - System
- When clicked On Database Nodes displays the use of handler stats, handler transaction stats, database connections, queries, scan operations, table locking, temporary tables, sorting, and aborted connections. Users can categorize the graph view monitoring the metric graph by clicking on the available filter button
Image 9.24 Tab Monitoring - Database Nodes
9.2.4 Query Stats Tab
- On this Query Stats tab, user can see the information of the current database connections and the latest running query of database
Image 9.25 Query Stats Tab
9.2.5 Users and Databases Tab
- On this Users and Databases tab, user can add the connection assistant, user, and database in the data store manually by fill in the form
Image 9.26 Users and Databases Tab
- Click on Connection Assistant button to add the connection assistant for database
Image 9.27 Connection Assistant
- Fill in the Connection Assistant form
Image 9.28 Form Create Connection Assistant
Table 9.7 Form Create Connection Assistant
| Column | Description |
|---|---|
| Account | Choose the database user account. |
| Database Name | Choose the database name. |
| Host | Choose the database host. |
| Technology | Choose the technology of database connectivity. The technology can be selected by one of these following vendors: - DSN - ADO.NET - JDBC - NODE.JS - ODBC - PHP - PHP.PDO - PHP.PEAR.DB |
| Connection String | Connection string is a string that specifies information about a data source and the means of connecting to it. |
- Click on Create New User button to add a new user to the database
Image 9.29 Create New User
- Fill in the New User form
Image 9.30 Form Create New User
Table 9.8 Form Create New User
| Column | Description |
|---|---|
| Username | Add the username for new user. |
| Password | Add the password for new user. |
| Allowed Host | Enter IP Address for database access. |
| Database Name | Choose the database for new user. |
| Admin User Toggle | User can enable or disable the toggle based on their needs. If the toggle is enable, the database privileges will set automatically for admin user. |
| Database Privileges | The limitation of user capability to manage databases as follows: - SELECT - INSERT - DELETE - Update - DROP - CREATE |
Image 9.31 List of Users
- Click on Create New Database button to add new database
Image 9.32 Create New Database
- Fill in the New Database form
Image 9.33 Create New Database Form
Table 9.9 Form Create New Database
| Column | Description |
|---|---|
| Database Name | Add name for new database. |
Image 9.34 Database List
9.2.6 Backups Tab
- Backups tab is purpose to create a copy of data store that can be Restore in the event of a primary data updated
Image 9.35 Backups Tab
- Restore is purpose to copying the backup data from secondary storage and restore it to it’s original version before data updated
Image 9.36 Restore
- If the user surely to restore their data store, confirm it by click on OK button, then click on Restore button
Image 9.37 Restore Backup Confirmation
Image 9.38 Backup Information
Image 9.39 Restore Confirmation
- If restoring backup is about to running there will be a notification dialog appears
Image 9.40 Restore Backup Notification
Image 9.41 Running Restore Backup
Image 9.42 Restore Backup Finished
9.2.7 Firewall Tab
- Firewall is a tools use for database security access, by setting or add the trusted IP source to their device, user can get access to the database without any warning.
Image 9.43 Firewall Tab
Image 9.44 Create Trusted Source
- Fill in the Create Trusted Client Source Address form, and then click the Create button
Image 9.45 Add a Trusted IP Address
Table 9.10 Form Create Trusted Source
| Column | Description |
|---|---|
| Source | IP Address of trusted source device. |
| Description | Description of the trusted source device. It’s optional for user to fill in the description field. The description can contain up to 255 characters. The allowed characters are a - z , A - Z , 0-9 spaces , and ._ : / ( ) # , @ [ ] + = ; ! $* |
- If IP Address succesfully added there will be a notification dialog appears
Image 9.46 Successful Notification
- If user want to delete the trusted source, click on Trash icon
Image 9.47 Delete Trusted Source
- Click on OK button to delete confirmation
Image 9.48 Delete Confirmation
- There will be notifications appear if the trusted source succesfully deleted
Image 9.49 Successful Notification
9.2.8 Settings Tab
- On this Settings tab, user can set up the data store informations like data store name, maintainance, and backup schedule
Image 9.50 Settings Tab
- Edit the field to update settings, and then click the Save button. For Example, the data store name will change from College to University and the schedule backup is enable as the incremental
Image 9.51 Settings - Update Data Store Name
Image 9.52 Settings - Enable Incremental Backup Schedule
- There will be a notification if the settings of data store is succesfully updated
Image 9.53 Settings - Successful Notification
Image 9.54 Data Store List
9.3 Delete Data Store
- On the Data Store page, click the Delete button
Image 9.55 Data Store Page
- Type delete into the field to confirm delete, then click OK
Image 9.56 Delete Confirmation
- There will be a notification appear if the data store is about to delete soon
Image 9.57 Delete Notification
Image 9.58 Data Store List
9.4 Database Access Using Other Apps
- The IP address used by the user’s computer can be found by typing the link in the browser https://ifconfig.me/ or via Command Prompt (CMD) by typing curl ifconfig.me
Image 9.59 IP check display - https://ifconfig.me/
Image 9.60 IP check display - CMD
- Go to RDBMS page
- On the Data Stores page, click the Details button
Image 9.61 Data Stores Page - Details
- Click the Firewall tab, click the Create trusted source button
Image 9.62 Data Stores Page - Details
- Type the IP obtained from https://ifconfig.me/ or from Command Prompt (CMD) then click the Create button
Image 9.63 Input IP Address
Image 9.64 Success Notification
- Click the Services tab, click the Copy to Clipboard button
Image 9.65 Services Tab
Image 9.66 Services Tab - Connection Information
Table 9.11 Detailed Connection Information
| Description | |
|---|---|
| mysql | Type of database connection used |
| ccxadmin | The username used to log in to the database |
| 0iBd3yG1NxkxKKHm | Password used to enter the database |
| 103.168.135.24 | Host servers |
| 3306 | Server ports |
| ccxdb | Database name |
- Open the database processing application installed on the user’s computer, for example DBeaver
- Click File then click New
Image 9.67 DBeaver - New Connection
- Click Database Connection then click Next
Image 9.68 DBeaver - Database Connection
- Click MySQL then click Next
Image 9.69 DBeaver - Select Database
- In Connection Setting, fill in the Server Host, Port, Database, Username, Password sections according to Table 9.11 Connection Information Details
Image 9.70 DBeaver - Connection Settings
- Then press the Test Connection button, if successful appears Connection Test
Image 9.71 DBeaver - Connection Test Results
- In DBeaver section Database Navigator can be seen Database ccxdb
Image 9.72 DBeaver - Database ccxdb