Integrate email relay in Ansible setup

ansible/VERSION

@@ -0,0 +1 @@
+v0.6.5

ansible/inventory.example

@@ -1,6 +1,6 @@
 [lemmy]
 # define the username and hostname that you use for ssh connection, and specify the domain
-myuser@example.com  domain=example.com  letsencrypt_contact_email=your@email.com smtp_server=smtp@example.com smtp_login=your@email.com smtp_password=pass smtp_from_address="Example.com Admin <notifications@example.com>"
+myuser@example.com  domain=example.com  letsencrypt_contact_email=your@email.com
 
 [all:vars]
 ansible_connection=ssh

ansible/lemmy.yml

@@ -41,6 +41,7 @@
     vars:
       postgres_password: "{{ lookup('password', 'passwords/{{ inventory_hostname }}/postgres chars=ascii_letters,digits') }}"
       jwt_password: "{{ lookup('password', 'passwords/{{ inventory_hostname }}/jwt chars=ascii_letters,digits') }}"
+      lemmy_docker_image: "dessalines/lemmy:{{ lookup('file', 'VERSION') }}"
 
   - name: enable and start docker service
     systemd:

ansible/lemmy_dev.yml

@@ -0,0 +1,100 @@
+---
+- hosts: all
+  vars:
+    lemmy_docker_image: "lemmy:dev"
+
+  # Install python if required
+  # https://www.josharcher.uk/code/ansible-python-connection-failure-ubuntu-server-1604/
+  gather_facts: False
+  pre_tasks:
+    - name: install python for Ansible
+      raw: test -e /usr/bin/python || (apt -y update && apt install -y python-minimal python-setuptools)
+      args:
+        executable: /bin/bash
+      register: output
+      changed_when: output.stdout != ""
+    - setup: # gather facts
+
+  tasks:
+  - name: install dependencies
+    apt:
+      pkg: ['nginx', 'docker-compose', 'docker.io', 'certbot', 'python-certbot-nginx']
+
+  - name: request initial letsencrypt certificate
+    command: certbot certonly --nginx --agree-tos -d '{{ domain }}' -m '{{ letsencrypt_contact_email }}'
+    args:
+      creates: '/etc/letsencrypt/live/{{domain}}/privkey.pem'
+
+  - name: create lemmy folder
+    file: path={{item.path}} state=directory
+    with_items:
+      - { path: '/lemmy/' }
+      - { path: '/lemmy/volumes/' }
+
+  - block:
+    - name:  add template files
+      template: src={{item.src}} dest={{item.dest}} mode={{item.mode}}
+      with_items:
+        - { src: 'templates/docker-compose.yml', dest: '/lemmy/docker-compose.yml', mode: '0600' }
+        - { src: 'templates/nginx.conf', dest: '/etc/nginx/sites-enabled/lemmy.conf', mode: '0644' }
+
+    - name:  add config file (only during initial setup)
+      template: src='templates/config.hjson' dest='/lemmy/lemmy.hjson' mode='0600' force='no' owner='1000' group='1000'
+    vars:
+      postgres_password: "{{ lookup('password', 'passwords/{{ inventory_hostname }}/postgres chars=ascii_letters,digits') }}"
+      jwt_password: "{{ lookup('password', 'passwords/{{ inventory_hostname }}/jwt chars=ascii_letters,digits') }}"
+
+  - name: build the dev docker image
+    local_action: shell cd .. && sudo docker build . -f docker/dev/Dockerfile -t lemmy:dev
+    register: image_build
+
+  - name: find hash of the new docker image
+    set_fact:
+      image_hash: "{{ image_build.stdout | regex_search('(?<=Successfully built )[0-9a-f]{12}') }}"
+
+  # this does not use become so that the output file is written as non-root user and is easy to delete later
+  - name: save dev docker image to file
+    local_action: shell sudo docker save lemmy:dev > lemmy-dev.tar
+
+  - name: copy dev docker image to server
+    copy: src=lemmy-dev.tar dest=/lemmy/lemmy-dev.tar
+
+  - name: import docker image
+    docker_image:
+      name: lemmy
+      tag: dev
+      load_path: /lemmy/lemmy-dev.tar
+      source: load
+      force_source: yes
+    register: image_import
+
+  - name: delete remote image file
+    file: path=/lemmy/lemmy-dev.tar state=absent
+
+  - name: delete local image file
+    local_action: file path=lemmy-dev.tar state=absent
+
+  - name: enable and start docker service
+    systemd:
+      name: docker
+      enabled: yes
+      state: started
+
+  # cant pull here because that fails due to lemmy:dev (without dessalines/) not being on docker hub, but that shouldnt
+  # be a problem for testing
+  - name: start docker-compose
+    docker_compose:
+      project_src: /lemmy/
+      state: present
+      recreate: always
+    ignore_errors: yes
+
+  - name: reload nginx with new config
+    shell: nginx -s reload
+
+  - name: certbot renewal cronjob
+    cron:
+      special_time=daily
+      name=certbot-renew-lemmy
+      user=root
+      job="certbot certonly --nginx -d '{{ domain }}' --deploy-hook 'docker-compose -f /peertube/docker-compose.yml exec nginx nginx -s reload'"

ansible/templates/config.hjson

@@ -7,9 +7,8 @@
   jwt_secret: "{{ jwt_password }}"
   front_end_dir: "/app/dist"
   email: {
-    smtp_server: "{{ smtp_server }}"
-    smtp_login: "{{ smtp_login }}"
-    smtp_password: "{{ smtp_password }}"
-    smtp_from_address: "{{ smtp_from_address }}"
+    smtp_server: "postfix:25"
+    smtp_from_address: "noreply@{{ domain }}"
+    use_tls: false
   }
 }

ansible/templates/docker-compose.yml

@@ -2,7 +2,7 @@ version: '3.3'
 
 services:
   lemmy:
-    image: dessalines/lemmy:v0.6.9
+    image: {{ lemmy_docker_image }}
     ports:
       - "127.0.0.1:8536:8536"
     restart: always
@@ -30,6 +30,11 @@ services:
       - lemmy_pictshare:/usr/share/nginx/html/data
     restart: always
 
+  postfix:
+    image: mwader/postfix-relay
+    environment:
+      - POSTFIX_myhostname={{ domain }}
+    restart: "always"
 volumes:
   lemmy_db:
   lemmy_pictshare:

ansible/templates/nginx.conf

@@ -93,4 +93,4 @@ map $remote_addr $remote_addr_anon {
 }
 log_format main '$remote_addr_anon - $remote_user [$time_local] "$request" '
 '$status $body_bytes_sent "$http_referer" "$http_user_agent"';
-access_log /dev/stdout main;
+access_log /var/log/nginx/access.log main;

docker/dev/deploy.sh

@@ -14,6 +14,9 @@ git add "ui/src/version.ts"
 # Setting the version on the backend
 echo "pub const VERSION: &str = \"$(git describe --tags)\";" > "server/src/version.rs"
 git add "server/src/version.rs"
+# Setting the version for Ansible
+git describe --tags > "ansible/VERSION"
+git add "ansible/VERSION"
 
 cd docker/dev
 

server/src/lib.rs

@@ -36,7 +36,7 @@ use chrono::{DateTime, NaiveDateTime, Utc};
 use lettre::smtp::authentication::{Credentials, Mechanism};
 use lettre::smtp::extension::ClientId;
 use lettre::smtp::ConnectionReuseParameters;
-use lettre::{SmtpClient, Transport};
+use lettre::{ClientSecurity, SmtpClient, Transport};
 use lettre_email::Email;
 use rand::distributions::Alphanumeric;
 use rand::{thread_rng, Rng};
@@ -110,34 +110,36 @@ pub fn send_email(
 
   let email = Email::builder()
     .to((to_email, to_username))
-    .from((
-      email_config.smtp_login.to_owned(),
-      email_config.smtp_from_address.to_owned(),
-    ))
+    .from(email_config.smtp_from_address.to_owned())
     .subject(subject)
     .html(html)
     .build()
     .unwrap();
 
-  let mut mailer = SmtpClient::new_simple(&email_config.smtp_server)
-    .unwrap()
-    .hello_name(ClientId::Domain(Settings::get().hostname.to_owned()))
-    .credentials(Credentials::new(
-      email_config.smtp_login.to_owned(),
-      email_config.smtp_password.to_owned(),
-    ))
-    .smtp_utf8(true)
-    .authentication_mechanism(Mechanism::Plain)
-    .connection_reuse(ConnectionReuseParameters::ReuseUnlimited)
-    .transport();
+  let mailer = if email_config.use_tls {
+    SmtpClient::new_simple(&email_config.smtp_server).unwrap()
+  } else {
+    SmtpClient::new(&email_config.smtp_server, ClientSecurity::None).unwrap()
+  }
+  .hello_name(ClientId::Domain(Settings::get().hostname.to_owned()))
+  .smtp_utf8(true)
+  .authentication_mechanism(Mechanism::Plain)
+  .connection_reuse(ConnectionReuseParameters::ReuseUnlimited);
+  let mailer = if let (Some(login), Some(password)) =
+    (&email_config.smtp_login, &email_config.smtp_password)
+  {
+    mailer.credentials(Credentials::new(login.to_owned(), password.to_owned()))
+  } else {
+    mailer
+  };
 
-  let result = mailer.send(email.into());
-
-  mailer.close();
+  let mut transport = mailer.transport();
+  let result = transport.send(email.into());
+  transport.close();
 
   match result {
     Ok(_) => Ok(()),
-    Err(_) => Err("no_email_setup".to_string()),
+    Err(e) => Err(e.to_string()),
   }
 }
 

server/src/settings.rs

@@ -33,9 +33,10 @@ pub struct RateLimitConfig {
 #[derive(Debug, Deserialize)]
 pub struct EmailConfig {
   pub smtp_server: String,
-  pub smtp_login: String,
-  pub smtp_password: String,
+  pub smtp_login: Option<String>,
+  pub smtp_password: Option<String>,
   pub smtp_from_address: String,
+  pub use_tls: bool,
 }
 
 #[derive(Debug, Deserialize)]