Added Radicale setup. (#194)

* Added Radicale setup.

see #193

* Fixed setup on CentOS.

modoboa_installer/scripts/radicale.py

@@ -0,0 +1,79 @@
+"""Radicale related tasks."""
+
+import os
+import stat
+
+from .. import package
+from .. import python
+from .. import utils
+
+from . import base
+
+
+class Radicale(base.Installer):
+    """Radicale installation."""
+
+    appname = "radicale"
+    config_files = ["config"]
+    no_daemon = True
+    packages = {
+        "deb": ["supervisor"],
+        "rpm": ["supervisor"]
+    }
+    with_user = True
+
+    def __init__(self, config):
+        """Get configuration."""
+        super(Radicale, self).__init__(config)
+        self.venv_path = config.get("radicale", "venv_path")
+
+    def _setup_venv(self):
+        """Prepare a dedicated virtualenv."""
+        python.setup_virtualenv(
+            self.venv_path, sudo_user=self.user, python_version=3)
+        packages = ["Radicale", "radicale-dovecot-auth", "pytz"]
+        python.install_packages(packages, self.venv_path, sudo_user=self.user)
+        python.install_package_from_repository(
+            "radicale-storage-by-index",
+            "https://github.com/tonioo/RadicaleStorageByIndex",
+            venv=self.venv_path, sudo_user=self.user)
+
+    def get_template_context(self):
+        """Additional variables."""
+        context = super(Radicale, self).get_template_context()
+        radicale_auth_socket_path = self.config.get(
+            "dovecot", "radicale_auth_socket_path")
+        context.update({
+            "radicale_auth_socket_path": radicale_auth_socket_path
+        })
+        return context
+
+    def get_config_files(self):
+        """Return appropriate path."""
+        config_files = super(Radicale, self).get_config_files()
+        if package.backend.FORMAT == "deb":
+            path = "supervisor=/etc/supervisor/conf.d/radicale.conf"
+        else:
+            path = "supervisor=/etc/supervisord.d/radicale.ini"
+        config_files.append(path)
+        return config_files
+
+    def install_config_files(self):
+        """Make sure config directory exists."""
+        if not os.path.exists(self.config_dir):
+            utils.mkdir(
+                self.config_dir,
+                stat.S_IRWXU | stat.S_IRGRP | stat.S_IXGRP |
+                stat.S_IROTH | stat.S_IXOTH,
+                0, 0
+            )
+        super(Radicale, self).install_config_files()
+
+    def post_run(self):
+        """Additional tasks."""
+        self._setup_venv()
+        daemon_name = (
+            "supervisor" if package.backend.FORMAT == "deb" else "supervisord"
+        )
+        utils.exec_cmd("service {} stop".format(daemon_name))
+        utils.exec_cmd("service {} start".format(daemon_name))