.gitignore

@@ -0,0 +1,129 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/

README.md

@@ -1,3 +1,10 @@
 # influx-smtp-gateway
 
 SMTP gateway accessible from InfluxDB for sending alerts.
+
+# create .env file with following parameters
+server_host = 0.0.0.0
+server_port = 8081
+to_mail = test111@mailinator.com
+from_mail = test@gmail.com
+from_mail_password = test@123

config.ini

@@ -1,9 +0,0 @@
-[server]
-server_host = 0.0.0.0
-server_port = 8081
-
-[app]
-to_mail = test111@mailinator.com
-from_mail = test@gmail.com
-from_mail_password = test@123
-

docker-compose.yml

@@ -3,8 +3,7 @@ version: '3.8'
 services:
   web:
     build: .
-    command: python main.py
     ports:
       - 8081:8081
     env_file:
-      - ./config.ini
+      - ./.env

main.py

@@ -12,98 +12,14 @@ import sys
 from email.header import Header
 from email.mime.text import MIMEText
 
-import uuid as uuid_module
-from ipaddress import AddressValueError, IPv4Address, IPv6Address
-
 import cherrypy
 
-PATH = os.path.dirname(os.path.abspath(__file__))
-CONFIG = configparser.ConfigParser()
-CONFIG.read(os.path.join(PATH, "config.ini"))
-
-TO_MAIL = CONFIG["app"].get("to_mail")
-FROM_MAIL = CONFIG["app"].get("from_mail")
-FROM_MAIL_PASSWORD = CONFIG["app"].get("from_mail_password")
-print("TO_MAIL: ", TO_MAIL)
-print("FROM_MAIL: ", FROM_MAIL)
-print("FROM_MAIL_PASSWORD: ", FROM_MAIL_PASSWORD)
-
-
-class CloudInitRequest:
-    """
-    Request data for persistence across methods
-    """
-    def __init__(self, request, uuid=None):
-        self.remoteip = None
-        self.hostinfo = ('localhost', )
-        self.request = request
-        self.meta_data = None
-        self.meta_data_loaded = False
-        self.user_data = None
-
-        try:
-            self.uuid = str(uuid_module.UUID('{' + uuid + '}'))
-        # ValueError is wrong UUID syntax
-        # TypeError is None
-        except (ValueError, TypeError):
-            self.uuid = None
-
-        self._init_ip()
-
-    def _can_ip_be_proxy(self):
-        """
-        Assuming the connection is through a proxy, is this proxy permitted?
-        Can't proxy from a publicly reachable IP.
-        """
-        self.remoteip = self.request.remote.ip
-        try:
-            ipobj = IPv4Address(self.remoteip)
-        except AddressValueError:
-            try:
-                ipobj = IPv6Address(self.remoteip)
-            except AddressValueError:
-                return False
-        return not ipobj.is_global
-
-    def _init_ip(self):
-        """
-        Get remote IP
-        """
-        if self._can_ip_be_proxy():
-            try:
-                self.remoteip = self.request.headers.get(
-                    'X-Real-Ip',
-                    self.request.remote.ip
-                )
-            except KeyError:
-                pass
-
-        try:
-            self.hostinfo = socket.gethostbyaddr(self.remoteip)
-            forward_lookup = socket.gethostbyname(self.hostinfo[0])
-            if forward_lookup != self.remoteip:
-                self.hostinfo = ('localhost', )
-        except socket.herror:
-            self.hostinfo = ('localhost', )
-        except socket.gaierror:
-            self.hostinfo = (self.remoteip, )
-
 
 class CloudInitApp:
     """
     Serve cloud init files
     """
 
-    @staticmethod
-    def _content_type(data):
-        if not data:
-            return "text/cloud-config"
-        if data.startswith("#include"):
-            return "text/x-include-url"
-        if data.startswith("## template: jinja"):
-            return "text/jinja2"
-        return "text/cloud-config"
-
     def _send_mail(self):
         try:
             # pylint: disable=deprecated-lambda
@@ -139,10 +55,17 @@ class CloudInitApp:
 ROOT = CloudInitApp()
 
 if __name__ == "__main__":
-    cherrypy.server.socket_host = \
+    try:
-        CONFIG["server"].get("server_host", "127.0.0.1")
+        SERVER_HOST = os.environ["server_host"]
-    cherrypy.server.socket_port = \
+        SERVER_PORT = int(os.environ["server_port"])
-        CONFIG["server"].getint("server_port", 8081)
+        TO_MAIL = os.environ["to_mail"]
+        FROM_MAIL = os.environ["from_mail"]
+        FROM_MAIL_PASSWORD = os.environ["from_mail_password"]
+    except:
+        raise "Please check missing environment variables: to_mail, from_mail, from_mail_password"
+
+    cherrypy.server.socket_host = SERVER_HOST
+    cherrypy.server.socket_port = SERVER_PORT
     ENGINE = cherrypy.engine
 
     CURRENT_DIR = os.path.dirname(os.path.abspath(__file__))

requirements.txt

@@ -6,12 +6,9 @@ jaraco.collections==3.5.1
 jaraco.context==4.1.1
 jaraco.functools==3.5.0
 jaraco.text==3.7.0
-Jinja2==3.0.3
-MarkupSafe==2.0.1
 more-itertools==8.12.0
 portend==3.1.0
 pytz==2021.3
-PyYAML==6.0
 six==1.16.0
 tempora==5.0.1
 zc.lockfile==2.0