Add linters

.editorconfig

@@ -1,13 +1,14 @@
 root = true
 
-[{*,.*}]
+[*]
 charset = utf-8
 indent_style = space
+end_of_line = lf
 insert_final_newline = true
 trim_trailing_whitespace = true
 
 [*.sh]
-end_of_line = lf
+indent_size = 4
 
 [{*.bat,*.cmd}]
 end_of_line = crlf
@@ -18,7 +19,6 @@ end_of_line = lf
 
 [*.md]
 # Trailing whitespace is important in Markdown (they distinguish a new line from a new paragraph)
-eclint_indent_style = unset
 trim_trailing_whitespace = false
 
 [{go.mod,go.sum,*.go,.gitmodules}]
@@ -29,7 +29,8 @@ indent_style = tab
 indent_size = 4
 
 [*.py]
-profile = black
-
-[*.sh]
 indent_size = 4
+
+[*.{yml,yaml}]
+indent_style = space
+indent_size = 2

.github/workflows/lint.yml

@@ -0,0 +1,25 @@
+name: Lint
+run-name: 'Lint: ${{ github.event_name }} on ${{ github.ref_name }}'
+
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v5
+        with:
+          persist-credentials: false
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.x'
+
+      - uses: pre-commit/action@v3.0.1

.gitignore

@@ -0,0 +1,15 @@
+# IDEs
+.vscode/
+.idea/
+
+# AI tools
+.claude/
+.cursor/
+.continue/
+.codeium/
+.codex-pre-commit-cache/
+
+# Build & tool caches
+.pre-commit-cache/
+.ruff_cache/
+.venv/

.pre-commit-config.yaml

@@ -0,0 +1,32 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v5.0.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: mixed-line-ending
+        args: [--fix=lf]
+      - id: check-yaml
+        args: [--unsafe] # allows GitLab CI custom tags
+      - id: check-merge-conflict
+      - id: check-added-large-files
+        args: [--maxkb=500]
+
+  - repo: https://github.com/adrienverge/yamllint
+    rev: v1.35.1
+    hooks:
+      - id: yamllint
+        args: [-c, .yamllint.yml]
+
+  - repo: https://github.com/shellcheck-py/shellcheck-py
+    rev: v0.10.0.1
+    hooks:
+      - id: shellcheck
+        args: [-s, bash] # sourced scripts have no shebang
+
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.9.6
+    hooks:
+      - id: ruff # linter with auto-fix
+        args: [--fix]
+      - id: ruff-format # formatter (replaces black)

.yamllint.yml

@@ -0,0 +1,39 @@
+extends: default
+
+ignore: |
+  .github/workflows/cla.yaml
+
+rules:
+  new-lines:
+    type: unix
+
+  # CI script lines are inherently long - warn only, don't fail
+  line-length:
+    max: 200
+    level: warning
+
+  # GitLab CI files do not use document-start marker (---)
+  document-start: disable
+
+  # Disable truthy key check to allow keys like "on:" in CI files
+  truthy:
+    check-keys: false
+
+  # Allow both indented (GitHub Actions) and unindented (Kubernetes) sequences
+  indentation:
+    spaces: 2
+    indent-sequences: consistent
+
+  # Allow single space before inline comments
+  comments:
+    min-spaces-from-content: 1
+
+  braces:
+    max-spaces-inside: 1
+
+  brackets:
+    max-spaces-inside: 1
+
+  quoted-strings:
+    quote-type: double
+    required: only-when-needed

README.md

@@ -1,6 +1,6 @@
 # qubership-test-pipelines
 
-This repository automates the end-to-end testing qubership services in a Kubernetes cluster using Kind. 
+This repository automates the end-to-end testing qubership services in a Kubernetes cluster using Kind.
 It implements a complete CI/CD lifecycle from infrastructure provisioning to post-deployment verification.
 
 ## Repository Structure
@@ -29,6 +29,25 @@ qubership-test-pipelines/
 │       └── [config-name].yml
 └── workflow-config/                 # Workflow configurations
 ```
+## Development
+
+### Pre-commit hooks
+
+This repository uses [pre-commit](https://pre-commit.com/) to enforce code quality.
+
+#### Installation
+
+```bash
+pip install pre-commit
+pre-commit install
+```
+
+#### Run against all files
+
+```bash
+pre-commit run --all-files
+```
+
 ## Workflows list
 Added workflow for the following services:
 - [Qubership Consul](https://github.com/Netcracker/qubership-consul)

ruff.toml

@@ -0,0 +1,10 @@
+line-length = 88
+
+[lint]
+select = [
+    "E",   # pycodestyle errors
+    "W",   # pycodestyle warnings
+    "F",   # pyflakes
+    "I",   # isort
+    "UP",  # pyupgrade
+]