Merge pull request #49 from dat515-2025/merge/email_sender

feat(infrastructure): add email sender

.github/workflows/deploy-prod.yaml

@@ -92,6 +92,13 @@ jobs:
           CSAS_CLIENT_ID: ${{ secrets.CSAS_CLIENT_ID }}
           CSAS_CLIENT_SECRET: ${{ secrets.CSAS_CLIENT_SECRET }}
           SENTRY_DSN: ${{ secrets.SENTRY_DSN }}
+          SMTP_HOST: ${{ secrets.SMTP_HOST }}
+          SMTP_PORT: ${{ secrets.SMTP_PORT }}
+          SMTP_USERNAME: ${{ secrets.SMTP_USERNAME }}
+          SMTP_PASSWORD: ${{ secrets.SMTP_PASSWORD }}
+          SMTP_USE_TLS: ${{ secrets.SMTP_USE_TLS }}
+          SMTP_USE_SSL: ${{ secrets.SMTP_USE_SSL }}
+          SMTP_FROM: ${{ secrets.SMTP_FROM }}
         run: |
           helm upgrade --install myapp ./7project/charts/myapp-chart \
             -n prod --create-namespace \
@@ -111,4 +118,11 @@ jobs:
             --set-string oauth.csas.clientId="$CSAS_CLIENT_ID" \
             --set-string oauth.csas.clientSecret="$CSAS_CLIENT_SECRET" \
             --set-string sentry_dsn="$SENTRY_DSN" \
-            --set-string database.encryptionSecret="${{ secrets.PROD_DB_ENCRYPTION_KEY }}"
+            --set-string database.encryptionSecret="${{ secrets.PROD_DB_ENCRYPTION_KEY }}" \
+            --set-string smtp.host="$SMTP_HOST" \
+            --set smtp.port="$SMTP_PORT" \
+            --set-string smtp.username="$SMTP_USERNAME" \
+            --set-string smtp.password="$SMTP_PASSWORD" \
+            --set-string smtp.tls="$SMTP_USE_TLS" \
+            --set-string smtp.ssl="$SMTP_USE_SSL" \
+            --set-string smtp.from="$SMTP_FROM"

7project/backend/app/workers/celery_tasks.py

@@ -1,5 +1,8 @@
 import logging
 import asyncio
+import os
+import smtplib
+from email.message import EmailMessage
 
 from celery import shared_task
 
@@ -84,8 +87,45 @@ def send_email(to: str, subject: str, body: str) -> None:
         logger.error("Email task missing fields. to=%r subject=%r body_len=%r", to, subject, len(body) if body else 0)
         return
 
-    # Placeholder for real email sending logic
+    host = os.getenv("SMTP_HOST")
+    if not host:
+        logger.error("SMTP_HOST is not configured; cannot send email")
+        return
+
+    # Configuration
+    port = int(os.getenv("SMTP_PORT", "25"))
+    username = os.getenv("SMTP_USERNAME")
+    password = os.getenv("SMTP_PASSWORD")
+    use_tls = os.getenv("SMTP_USE_TLS", "0").lower() in {"1", "true", "yes"}
+    use_ssl = os.getenv("SMTP_USE_SSL", "0").lower() in {"1", "true", "yes"}
+    timeout = int(os.getenv("SMTP_TIMEOUT", "10"))
+    mail_from = os.getenv("SMTP_FROM") or username or "noreply@localhost"
+
+    # Build message
+    msg = EmailMessage()
+    msg["To"] = to
+    msg["From"] = mail_from
+    msg["Subject"] = subject
+    msg.set_content(body)
+
+    try:
+        if use_ssl:
+            with smtplib.SMTP_SSL(host=host, port=port, timeout=timeout) as smtp:
+                if username and password:
+                    smtp.login(username, password)
+                smtp.send_message(msg)
+        else:
+            with smtplib.SMTP(host=host, port=port, timeout=timeout) as smtp:
+                # STARTTLS if requested
+                if use_tls:
+                    smtp.starttls()
+                if username and password:
+                    smtp.login(username, password)
+                smtp.send_message(msg)
         logger.info("[Celery] Email sent | to=%s | subject=%s | body_len=%d", to, subject, len(body))
+    except Exception:
+        logger.exception("Failed to send email via SMTP to=%s subject=%s host=%s port=%s tls=%s ssl=%s", to, subject,
+                         host, port, use_tls, use_ssl)
 
 
 @shared_task(name="workers.load_transactions")

7project/charts/myapp-chart/templates/prod.yaml

@@ -19,3 +19,10 @@ stringData:
   RABBITMQ_USERNAME: {{ .Values.rabbitmq.username | quote }}
   SENTRY_DSN: {{ .Values.sentry_dsn | quote }}
   DB_ENCRYPTION_KEY: {{ required "Set .Values.database.encryptionSecret" .Values.database.encryptionSecret | quote }}
+  SMTP_HOST: {{ .Values.smtp.host | default "" | quote }}
+  SMTP_PORT: {{ .Values.smtp.port | default 587 | quote }}
+  SMTP_USERNAME: {{ .Values.smtp.username | default "" | quote }}
+  SMTP_PASSWORD: {{ .Values.smtp.password | default "" | quote }}
+  SMTP_USE_TLS: {{ .Values.smtp.tls | default false | quote }}
+  SMTP_USE_SSL: {{ .Values.smtp.ssl | default false | quote }}
+  SMTP_FROM: {{ .Values.smtp.from | default "" | quote }}

7project/charts/myapp-chart/templates/worker-deployment.yaml

@@ -85,3 +85,38 @@ spec:
                 secretKeyRef:
                   name: prod
                   key: DB_ENCRYPTION_KEY
+            - name: SMTP_HOST
+              valueFrom:
+                secretKeyRef:
+                  name: prod
+                  key: SMTP_HOST
+            - name: SMTP_PORT
+              valueFrom:
+                secretKeyRef:
+                  name: prod
+                  key: SMTP_PORT
+            - name: SMTP_USERNAME
+              valueFrom:
+                secretKeyRef:
+                  name: prod
+                  key: SMTP_USERNAME
+            - name: SMTP_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: prod
+                  key: SMTP_PASSWORD
+            - name: SMTP_USE_TLS
+              valueFrom:
+                secretKeyRef:
+                  name: prod
+                  key: SMTP_USE_TLS
+            - name: SMTP_USE_SSL
+              valueFrom:
+                secretKeyRef:
+                  name: prod
+                  key: SMTP_USE_SSL
+            - name: SMTP_FROM
+              valueFrom:
+                secretKeyRef:
+                  name: prod
+                  key: SMTP_FROM

7project/charts/myapp-chart/values.yaml

@@ -42,6 +42,16 @@ cron:
   endpoint: "/_cron"
   concurrencyPolicy: "Forbid"
 
+smtp:
+  host:
+  port: 587
+  username: ""
+  password: ""
+  tls: false
+  ssl: false
+  from: ""
+
+
 
 service:
   port: 80