feat: ldap & auxiliary interface integration and some improvements

.github/workflows/release_libs.yaml

@@ -0,0 +1,23 @@
+name: Release Charm Library
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "lib/charms/glauth_k8s/**"
+
+jobs:
+  release-libs:
+    name: Release charm library
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Release charm library
+        uses: canonical/charming-actions/release-libraries@main
+        with:
+          credentials: ${{ secrets.CHARMCRAFT_CREDENTIALS }}
+          github-token: ${{ secrets.GITHUB_TOKEN }}

.pre-commit-config.yaml

@@ -0,0 +1,26 @@
+repos:
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.5.0
+  hooks:
+    - id: check-added-large-files
+    - id: debug-statements
+    - id: detect-private-key
+    - id: end-of-file-fixer
+    - id: requirements-txt-fixer
+    - id: trailing-whitespace
+- repo: https://github.com/astral-sh/ruff-pre-commit
+  rev: v0.1.13
+  hooks:
+    - id: ruff
+      args: [--fix, --exit-non-zero-on-fix]
+- repo: https://github.com/psf/black
+  rev: 23.12.1
+  hooks:
+  - id: black
+- repo: https://github.com/pre-commit/mirrors-mypy
+  rev: v1.8.0
+  hooks:
+    - id: mypy
+      args: ["--config-file", "pyproject.toml"]
+      additional_dependencies:
+        - types-PyYAML

CODEOWNERS

@@ -0,0 +1 @@
+*       @canonical/identity

CONTRIBUTING.md

@@ -29,21 +29,22 @@ this operator.
 
 ## Developing
 
-You can use the environments created by `tox` for development:
+You can use the environments created by `tox` for development. It helps
+install `pre-commit` and `mypy` type checker.
 
 ```shell
-tox --notest -e unit
-source .tox/unit/bin/activate
+$ tox -e dev
+$ source .tox/unit/bin/activate
 ```
 
 ## Testing
 
 ```shell
-tox -e fmt           # update your code according to linting rules
-tox -e lint          # code style
-tox -e unit          # unit tests
-tox -e integration   # integration tests
-tox                  # runs 'fmt', 'lint', and 'unit' environments
+$ tox -e fmt           # update your code according to linting rules
+$ tox -e lint          # code style
+$ tox -e unit          # unit tests
+$ tox -e integration   # integration tests
+$ tox                  # runs 'fmt', 'lint', and 'unit' environments
 ```
 
 ## Build the charm
@@ -58,13 +59,13 @@ $ charmcraft pack
 
 ```shell
 # Create a juju model
-juju add-model dev
+$ juju add-model dev
 
 # Enable DEBUG logging
-juju model-config logging-config="<root>=INFO;unit=DEBUG"
+$ juju model-config logging-config="<root>=INFO;unit=DEBUG"
 
 # Deploy the charm
-juju deploy ./glauth-k8s_ubuntu-*-amd64.charm --resource oci-image=$(yq eval '.resources.oci-image.upstream-source' metadata.yaml)
+$ juju deploy ./glauth-k8s_ubuntu-*-amd64.charm --resource oci-image=$(yq eval '.resources.oci-image.upstream-source' metadata.yaml)
 ```
 
 ## Observability

README.md

@@ -6,6 +6,9 @@
 ![Ubuntu](https://img.shields.io/badge/Ubuntu-22.04-E95420?label=Ubuntu&logo=ubuntu&logoColor=white)
 [![License](https://img.shields.io/github/license/canonical/glauth-k8s-operator?label=License)](https://github.com/canonical/glauth-k8s-operator/blob/main/LICENSE)
 
+[![Continuous Integration Status](https://github.com/canonical/glauth-k8s-operator/actions/workflows/on_push.yaml/badge.svg?branch=main)](https://github.com/canonical/glauth-k8s-operator/actions?query=branch%3Amain)
+[![pre-commit](https://img.shields.io/badge/pre--commit-enabled-brightgreen?logo=pre-commit)](https://github.com/pre-commit/pre-commit)
+
 This repository holds the Juju Kubernetes charmed operator
 for [GLAuth](https://github.com/glauth/glauth), an open-sourced LDAP server.
 
@@ -29,15 +32,52 @@ $ juju integrate glauth-k8s postgresql-k8s
 
 ## Integrations
 
-TBD.
+### `postgresql_client` Integration
+
+The `glauth-k8s` charmed operator requires the integration with the
+`postgres-k8s` charmed operator following the [`postgresql_client` interface
+protocol](https://github.com/canonical/charm-relation-interfaces/tree/main/interfaces/postgresql_client/v0).
+
+```shell
+$ juju integrate glauth-k8s postgresql-k8s
+```
+
+### `ldap` Integration
+
+The `glauth-k8s` charmed operator offers the `ldap` integration with any
+LDAP client charmed operator following
+the [`ldap` interface protocol](https://github.com/canonical/charm-relation-interfaces/tree/main/interfaces/ldap/v0).
+
+```shell
+$ juju integrate <ldap-client-charm>:ldap glauth-k8s:ldap
+```
+
+### `glauth_auxiliary` Integration
+
+The `glauth-k8s` charmed operator provides the `glauth_auxiliary`
+integration with
+the [`glauth-utils` charmed operator](https://github.com/canonical/glauth-utils)
+to deliver necessary auxiliary configurations.
+
+```shell
+$ juju integrate glauth-k8s glauth-utils
+```
 
 ## Configurations
 
-TBD.
+The `glauth-k8s` charmed operator offers the following charm configuration
+options.
 
-## Actions
+| Charm Config Option | Description                                                      | Example                                              |
+|:-------------------:|------------------------------------------------------------------|------------------------------------------------------|
+|      `base_dn`      | The portion of the DIT in which to search for matching entries   | `juju config <charm-app> base-dn="dc=glauth,dc=com"` |
+|     `hostname`      | The hostname of the LDAP server in `glauth-k8s` charmed operator | `juju config <charm-app> hostname="ldap.glauth.com"` |
 
-TBD.
+> ⚠️ **NOTE**
+>
+> - The `hostname` should **NOT** contain the ldap scheme (e.g. `ldap://`) and
+> port.
+> - Please refer to the `config.yaml` for more details about the configurations.
 
 ## Contributing
 

config.yaml

@@ -1,12 +1,19 @@
 options:
   log_level:
     description: |
-      Configures the log level. 
+      Configures the log level.
 
       Acceptable values are: "info", "debug", "warning", "error" and "critical"
     default: "info"
     type: string
   base_dn:
-    description: base DN
+    description: The base DN
     default: "dc=glauth,dc=com"
     type: string
+  hostname:
+    description: |
+      The hostname of the LDAP server.
+
+      The hostname should NOT contain the LDAP scheme (e.g. ldap://) and port.
+    default: "ldap.glauth.com"
+    type: string

fmt-requirements.txt

@@ -1,2 +1,2 @@
 black
-isort
+ruff

integration-requirements.txt

@@ -1,6 +1,4 @@
-protobuf~=3.20.1
-pytest
+-r requirements.txt
 juju
+pytest
 pytest-operator
-requests
--r requirements.txt