Added endpoint to fetch app version

Dockerfile

@@ -1,5 +1,6 @@
-FROM python:3.11.7-slim-bookworm
+FROM python:3.11.7-alpine
 WORKDIR /app
 COPY api .
+RUN apk add --no-cache curl
 RUN pip install -r requirements.txt
 CMD python3 app.py

Jenkinsfile

@@ -1,72 +0,0 @@
-pipeline {
-    agent any
-    environment {
-        DOCKER_REGISTRY_URL = 'marcin00.azurecr.io'
-        DOCKER_IMAGE = "${DOCKER_REGISTRY_URL}/user-microservice:${GIT_COMMIT}"
-        ACR_NAME = 'marcin00'
-    }
-    stages {
-        stage('Checkout') {
-            steps {
-                checkout scm
-            }
-        }
-        stage('Test python app') {
-            steps {
-                script {
-                    dir('api') {
-                        sh '''
-                            python3 -m venv env
-                            source env/bin/activate
-                            pip install -r requirements.txt pytest
-                            python3 -m pytest --junit-xml=pytest_junit.xml
-                        '''
-                    }
-                }
-            }
-            post {
-                always {
-                    junit testResults: '**/*pytest_junit.xml'
-                }
-            }
-        }
-        stage('Build & test docker image') {
-            steps {
-                script {
-                    appImage = docker.build("${DOCKER_IMAGE}")
-
-                    sh label: 'Install dgoss', script: '''
-                        curl -s -L https://github.com/aelsabbahy/goss/releases/latest/download/goss-linux-amd64 -o goss
-                        curl -s -L https://github.com/aelsabbahy/goss/releases/latest/download/dgoss -o dgoss
-                        chmod +rx *goss
-                    '''
-                    
-                    withEnv(['GOSS_OPTS=-f junit', 'GOSS_PATH=./goss', 'GOSS_SLEEP=3', 'SQLALCHEMY_DATABASE_URI=sqlite:///:memory:']) {
-                        sh label: 'run image tests', script: './dgoss run -e SQLALCHEMY_DATABASE_URI=sqlite:///:memory: ${DOCKER_IMAGE} > goss_junit.xml'
-                    }
-                }
-            }
-            post {
-                always {
-                    junit testResults: '**/*goss_junit.xml'
-                }
-            }
-        }
-        stage('Deploy') {
-            steps {
-                script {
-                    sh '''
-                        az login --identity
-                        az acr login --name ${ACR_NAME}
-                        docker push ${DOCKER_IMAGE}
-                    '''
-                }
-            }
-        }
-    }
-    post {
-        cleanup {
-            script { cleanWs() }
-        }
-    }
-}

api/app.py

@@ -4,7 +4,8 @@ from flask_jwt_extended import JWTManager
 from jwt import ExpiredSignatureError
 from models import db, RevokedToken
 import os
-from utils import init_db
+from tech_views import tech_bp
+from utils import init_db, wait_for_db
 from views import user_bp
 from werkzeug.exceptions import HTTPException
 
@@ -26,6 +27,7 @@ def create_app(config_name="default"):
 
     # Blueprints registration
     app.register_blueprint(user_bp)
+    app.register_blueprint(tech_bp)
 
     # Database and JWT initialization
     db.init_app(app)
@@ -53,6 +55,7 @@ def create_app(config_name="default"):
 
     # Fill database by initial values (only if we are not testing)
     with app.app_context():
+        wait_for_db(max_retries=100)
         db.create_all()
         if config_name != "testing":
             init_db()

api/tech_views.py

@@ -0,0 +1,20 @@
+from flask import Blueprint, jsonify
+from models import db
+from sqlalchemy import text
+from utils import db_ready
+
+# Blueprint with technical endpoints
+tech_bp = Blueprint('tech_bp', __name__)
+
+@tech_bp.route('/health', methods=['GET'])
+def health_check():
+    "Check if service works and database is functional"
+    try:
+        with db.engine.connect() as connection:
+            connection.execute(text("SELECT 1"))
+        return jsonify(status="healthy"), 200
+    except Exception:
+        if db_ready:
+            return jsonify(status="unhealthy"), 500
+        else:
+            return jsonify(status="starting"), 503

api/utils.py

@@ -2,17 +2,22 @@ from flask import abort
 from flask_jwt_extended import get_jwt_identity
 from models import User, db
 import os
+from sqlalchemy import text
+from sqlalchemy.exc import DatabaseError, InterfaceError
+import time
 from werkzeug.security import generate_password_hash
 
+db_ready = False
 
 def admin_required(user_id, message='Access denied.'):
+    "Check if common user try to make administrative action."
     user = db.session.get(User, user_id)
     if user is None or user.role != "Administrator":
         abort(403, message)
 
 
 def validate_access(owner_id, message='Access denied.'):
-    # Check if user try to access or edit resource that does not belong to them 
+    "Check if user try to access or edit resource that does not belong to them."
     logged_user_id = int(get_jwt_identity())
     logged_user_role = db.session.get(User, logged_user_id).role
     if logged_user_role != "Administrator" and logged_user_id != owner_id:
@@ -27,6 +32,20 @@ def get_user_or_404(user_id):
     return user
 
 
+def wait_for_db(max_retries):
+    "Try to connect with database <max_retries> times."
+    global db_ready
+    for _ in range(max_retries):
+        try:
+            with db.engine.connect() as connection:
+                connection.execute(text("SELECT 1"))
+            db_ready = True
+            return
+        except DatabaseError | InterfaceError:
+            time.sleep(3)
+    raise Exception("Failed to connect to database.")
+
+
 def init_db():
     """Create default admin account if database is empty"""
     with db.session.begin():

api/views.py

@@ -2,6 +2,7 @@ from flask import Blueprint, jsonify, request, abort
 from flask_jwt_extended import create_access_token, set_access_cookies, jwt_required, \
 verify_jwt_in_request, get_jwt_identity, unset_jwt_cookies, get_jwt
 from models import db, RevokedToken, User
+import os
 from utils import admin_required, validate_access, get_user_or_404
 from werkzeug.security import check_password_hash, generate_password_hash
 
@@ -110,3 +111,10 @@ def user_logout():
     response = jsonify({"msg": "User logged out successfully."})
     unset_jwt_cookies(response)
     return response
+
+@user_bp.route('/version', methods=['GET'])
+def version():
+    return jsonify({
+        "version": os.getenv("APP_VERSION", "unknown"),
+        "build_time": os.getenv("BUILD_DATE", "unknown")
+    })

argo-workflows/acr-pusher.yaml

@@ -1,5 +0,0 @@
-apiVersion: v1
-kind: ServiceAccount
-metadata:
-  name: edu-agentpool
-  namespace: argo

argo-workflows/argo-workflow-manager-role.yaml

@@ -1,12 +0,0 @@
-apiVersion: rbac.authorization.k8s.io/v1
-kind: Role
-metadata:
-  namespace: argo
-  name: argo-workflow-manager
-rules:
-  - apiGroups: ["argoproj.io"]
-    resources: ["workflowtaskresults"]
-    verbs: ["create", "get", "list", "update", "patch", "delete"]
-  - apiGroups: ["argoproj.io"]
-    resources: ["workflows"]
-    verbs: ["create", "get", "list", "update", "patch", "delete"]

argo-workflows/build.yaml

@@ -1,142 +0,0 @@
-apiVersion: argoproj.io/v1alpha1
-kind: Workflow
-metadata:
-  generateName: build-workflow-
-spec:
-  entrypoint: main
-  arguments:
-    parameters:
-      - name: repo
-        value: https://gitea.marcin00.pl/pikram/user-microservice.git
-      - name: branch
-        value: main
-      - name: image
-        value: marcin00.azurecr.io/user-microservice
-      - name: registry_server
-        value: marcin00.azurecr.io
-  serviceAccountName: edu-agentpool
-  volumeClaimTemplates:
-  - metadata:
-      name: workspace
-    spec:
-      accessModes: [ "ReadWriteOnce" ]
-      resources:
-        requests:
-          storage: 128Mi
-  volumes:
-  - name: secrets-store
-    csi:
-      driver: secrets-store.csi.k8s.io
-      readOnly: true
-      volumeAttributes:
-        secretProviderClass: azure-keyvault
-  templates:
-
-  # 🔁 Main steps sequence
-  - name: main
-    steps:
-      - - name: checkout
-          template: checkout
-          arguments:
-            parameters:
-              - name: repo
-                value: "{{workflow.parameters.repo}}"
-              - name: branch
-                value: "{{workflow.parameters.branch}}"
-      - - name: tests
-          template: tests
-      - - name: build-test-and-push-image
-          template: build-test-and-push-image
-          arguments:
-            parameters:
-              - name: git-sha
-                value: "{{steps.checkout.outputs.parameters.git-sha}}"
-
-  # 📦 GIT CHECKOUT
-  - name: checkout
-    inputs:
-      parameters:
-        - name: repo
-        - name: branch
-    container:
-      image: alpine/git
-      command: [sh,-c]
-      workingDir: /workspace
-      args:
-        - |
-          git clone --depth 1 --branch "{{inputs.parameters.branch}}" --single-branch "{{inputs.parameters.repo}}" repo
-          cd repo
-          git rev-parse HEAD > /tmp/gitsha.txt
-      volumeMounts:
-        - name: workspace
-          mountPath: /workspace
-    outputs:
-      parameters:
-        - name: git-sha
-          valueFrom:
-            path: /tmp/gitsha.txt
-
-  # 🧪 PYTHON TESTS
-  - name: tests
-    script:
-      image: python:3.11.7-alpine
-      command: [sh]
-      workingDir: /workspace/repo/api
-      source: |
-        python3 -m venv env
-        . env/bin/activate
-        pip install -r requirements.txt pytest
-        python3 -m pytest --junit-xml=pytest_junit.xml
-      volumeMounts:
-        - name: workspace
-          mountPath: /workspace
-
-# 🐳 BUILDS AND GOSS TESTS
-  - name: build-test-and-push-image
-    inputs:
-      parameters:
-        - name: git-sha
-    container:
-      image: docker:dind
-      command: [sh, -c]
-      workingDir: /workspace/repo
-      args:
-        - |
-          dockerd-entrypoint.sh &
-          sleep 3
-          DOCKER_IMAGE={{workflow.parameters.image}}:{{inputs.parameters.git-sha}}
-          docker build -t $DOCKER_IMAGE .
-
-          apk add --no-cache bash
-
-          wget https://github.com/aelsabbahy/goss/releases/latest/download/goss-linux-amd64 -O goss
-          wget https://github.com/aelsabbahy/goss/releases/latest/download/dgoss -O dgoss
-          chmod +rx *goss
-
-          export GOSS_OPTS="-f junit"
-          export GOSS_PATH=./goss
-          export GOSS_SLEEP=3
-          ./dgoss run -e SQLALCHEMY_DATABASE_URI=sqlite:///:memory: $DOCKER_IMAGE > /workspace/goss_junit.xml
-          
-          echo "===> Logging into ACR"
-          ACR_PASSWORD=$(cat /mnt/secrets/acr-password)
-          echo "$ACR_PASSWORD" | docker login {{workflow.parameters.registry_server}} -u $ACR_USERNAME --password-stdin
-
-          echo "===> Pushing image to ACR"
-          docker push $DOCKER_IMAGE
-      env:
-        - name: ACR_USERNAME
-          value: marcin00
-      securityContext:
-        privileged: true
-      volumeMounts:
-        - name: workspace
-          mountPath: /workspace
-        - name: docker-library
-          mountPath: /var/lib/docker
-        - name: secrets-store
-          mountPath: "/mnt/secrets"
-          readOnly: true
-    volumes:
-      - name: docker-library
-        emptyDir: {}

argo-workflows/role-binding.yaml

@@ -1,13 +0,0 @@
-apiVersion: rbac.authorization.k8s.io/v1
-kind: RoleBinding
-metadata:
-  name: argo-edu-agentpool-binding
-  namespace: argo
-subjects:
-  - kind: ServiceAccount
-    name: edu-agentpool
-    namespace: argo
-roleRef:
-  kind: Role
-  name: argo-workflow-manager
-  apiGroup: rbac.authorization.k8s.io

argo-workflows/secret-store.yaml

@@ -1,25 +0,0 @@
-apiVersion: secrets-store.csi.x-k8s.io/v1
-kind: SecretProviderClass
-metadata:
-  name: azure-keyvault
-  namespace: argo
-spec:
-  provider: azure
-  secretObjects:
-    - secretName: acr-creds
-      type: Opaque
-      data:
-        - objectName: acr-password
-        - key: password
-  parameters:
-    usePodIdentity: "false"
-    useVMManagedIdentity: "true"
-    userAssignedIdentityID: "0c2780e4-8594-4aab-8f1a-8a19f71924bd" # client_id of the user-assigned managed identity
-    clientID: "0c2780e4-8594-4aab-8f1a-8a19f71924bd"               # client_id of the user-assigned managed identity
-    keyvaultName: "dev-aks"
-    objects:  |
-      array:
-        - |
-          objectName: acr-password
-          objectType: secret
-    tenantID: "f4e3e6f7-d21c-460e-b201-2192174e7f41"

docker-compose.yml

@@ -7,9 +7,24 @@ services:
     build: .
     env_file:
       - api/.env
+    ports:
+      - 80:80
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost/health"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+      start_period: 15s
   db:
     container_name: db
     hostname: db
     image: mysql:latest
     env_file:
       - db/.env
+    ports:
+      - 3306:3306
+    healthcheck:
+      test: ["CMD", "mysqladmin", "ping", "-h", "localhost"]
+      interval: 10s
+      timeout: 5s
+      retries: 5

goss.yaml

@@ -1,8 +0,0 @@
-port:
-  tcp:80:
-    listening: true
-    ip:
-    - 0.0.0.0
-process:
-  python3:
-    running: true