# `dblab`

DBLab Engine's CLI client.

1. [TL;DR](#tldr)
1. [Further readings](#further-readings)
   1. [Sources](#sources)

## TL;DR

<details>
  <summary>Setup</summary>

```sh
# Install.
curl -sSL 'dblab.sh' | bash

# Initialize CLI configuration.
# Assumes that 'localhost:2345' forwards to the Database Lab Engine machine's at port 2345'.
dblab init --environment-id 'tutorial' --url 'http://localhost:2345' --token 'secret_token' --insecure

# Show global CLI environment configuration
dblab config show-global

# Create CLI environments
dblab config create 'staging'

# Show available CLI environments
dblab config list

# Show current CLI environment configuration
dblab config view

# Modify CLI environments
# Errors out should one specify the current set of settings
dblab config update --url --insecure=true 'staging'
```

</details>

<details>
  <summary>Usage</summary>

```sh
# Check the running container's version
# Used to check the instance is up and running
dblab instance version
curl 'http://127.0.0.1:2345/healthz'

# Display the engine's status
dblab instance status

# Change environment
dblab config switch 'prod'

# Fetch the status of the Engine's instance.
dblab instance status

# Get the ID of the latest snapshot.
dblab snapshot list | jq -r 'max_by(.createdAt).id'

# Create clones.
dblab clone create --username 'dblab_user_1' --password 'secret_password' --id 'my_first_clone'
curl -X 'POST' 'https://dblab.instance.fqdn/api/clone' -H 'Verification-Token: verification-token-here' \
  -H 'accept: application/json' -H 'content-type: application/json' \
  -d '{ "protected": true, "db": { "username": "user", "password": "password", "db_name": "db" }, "id": "clone-id" }'

# Get clones' information.
curl -X 'GET' 'https://dblab.instance.fqdn/api/clone/clone-id' -H 'Verification-Token: verification-token-here'

# Reset clones.
dblab clone reset --latest 'clone-id'
curl -X 'POST' 'https://dblab.instance.fqdn/api/clone/clone-id/reset' -H 'Verification-Token: verification-token-here' \
  -H 'accept: application/json' -H 'content-type: application/json' \
  -d '{ "latest": true }'
curl -X 'POST' 'https://dblab.instance.fqdn/api/clone/clone-id/reset' -H 'Verification-Token: verification-token-here' \
  -H 'accept: application/json' -H 'content-type: application/json' \
  -d '{ "latest": false, "snapshotID": "2024-09-09T12:12:13Z" }'

# Change clones' properties.
curl -X 'PATCH' 'https://dblab.instance.fqdn/api/clone/clone-id' -H 'Verification-Token: verification-token-here' \
  -H 'accept: application/json' -H 'content-type: application/json' \
  -d '{ "protected": false }'

# Delete clones.
curl -X 'DELETE' 'https://dblab.instance.fqdn/api/clone/clone-id/reset' -H 'Verification-Token: verification-token-here'

# Force full refresh
# v4.0.0+
dblab instance full-refresh
```

</details>

<details>
  <summary>Real world use cases</summary>

```sh
curl -X 'POST' 'https://dblab.company.com:1234/api/clone' \
  -H 'Verification-Token: something-something-dark-side' \
  -H 'accept: application/json' -H 'content-type: application/json' \
  -d '{
    "id": "smth",
    "protected": true,
    "db": {
      "username": "master",
      "password": "ofPuppets",
      "db_name": "puppet"
    }
  }'
curl 'https://dblab.company.com:1234/api/clone/smth' \
  -H 'Verification-Token: something-something-dark-side'
curl -X 'POST' 'https://dblab.company.com:1234/api/clone/smth/reset' \
  -H 'Verification-Token: something-something-dark-side' \
  -H 'accept: application/json' -H 'content-type: application/json' \
  -d '{ "latest": true }'
curl -X 'PATCH' 'https://dblab.company.com:1234/api/clone/smth' \
  -H 'Verification-Token: something-something-dark-side' \
  -H 'accept: application/json' -H 'content-type: application/json' \
  -d '{ "protected": false }'
curl -X 'DELETE' 'https://dblab.company.com:1234/api/clone/smth' \
  -H 'Verification-Token: something-something-dark-side'

# Reset all the clones that are *not* using the latest snapshot to it
dblab clone list \
| jq -r \
    --arg latest_snapshot $(dblab snapshot list | jq -r 'max_by(.createdAt).id') \
    '.[]|select(.snapshot.id != $latest_snapshot).id' - \
| xargs -n1 -p dblab clone reset --latest
```

</details>

## Further readings

- [DBLab engine]
- [Database Lab Client CLI reference (dblab)]
- [API reference]

### Sources

- [How to install and initialize Database Lab CLI]
- [How to refresh data when working in the "logical" mode]

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<!-- In-article sections -->
<!-- Knowledge base -->
[DBLab engine]: dblab%20engine.md

<!-- Files -->
<!-- Upstream -->
[API reference]: https://dblab.readme.io/reference/
[database lab client cli reference (dblab)]: https://postgres.ai/docs/reference-guides/dblab-client-cli-reference
[how to install and initialize database lab cli]: https://postgres.ai/docs/how-to-guides/cli/cli-install-init
[How to refresh data when working in the "logical" mode]: https://postgres.ai/docs/how-to-guides/administration/logical-full-refresh

<!-- Others -->