first commit

ansible/all.yml

@@ -0,0 +1,8 @@
+---
+- hosts:
+    - all
+  roles:
+    - db
+    - web
+  become: true
+  gather_facts: false

ansible/database.yml

@@ -0,0 +1,9 @@
+---
+- name: install and configure database
+  hosts:
+    - all
+  roles:
+    - db
+  become: true
+  gather_facts: false
+

ansible/roles/db/files/data.sql

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+
+
+INSERT INTO `section` (`id`, `name`) VALUES
+(1, 'Flachwitze'),
+(2, 'Schwarzer Humor');
+
+INSERT INTO `joke` (`id`, `section_idfs`, `text`, `rating`, `creation_date`) VALUES
+(1, 1, 'Kunde: \"Ich möchte Ihren Chef sprechen!\"\r\nSekretärin: \"Geht leider nicht, er ist nicht da!\"\r\nKunde: \"Ich hab ihn doch durchs Fenster gesehen!\"\r\nSekretärin: \"Er Sie auch!\"', 5, '2014-01-08 21:39:40'),
+(2, 1, 'Der Verwaltungsrat zum CEO:\r\n\"Na, wie macht sich denn der neue Buchhalter?\"\r\nCEO: \"Toll, dieser Mann!\"\r\nVerwaltungsrat: \"Was kann er denn so besonderes?\"\r\nCEO: \"Er ist gelernter Friseur, er kann frisieren!\"', 3, '2014-01-08 21:42:41'),
+(3, 1, 'Chef: \"Müller, Sie sind das beste Pferd in meinem Stall!\"\r\nMüller: \"Wirklich, Chef?\"\r\nChef: \"Ja, Sie machen den meisten Mist!\"', 5, '2014-01-08 21:43:20'),
+(6, 2, 'Was steht auf dem Grabstein eines Mathematikers?\r\n\"Damit hat er nicht gerechnet.\"', 3, '2021-04-06 12:47:17');
+

ansible/roles/db/files/schema.sql

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+DROP TABLE IF EXISTS section;
+CREATE TABLE `section` (
+                           `id` int(11) NOT NULL,
+                           `name` varchar(255) COLLATE utf8_bin NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
+
+DROP TABLE IF EXISTS joke;
+CREATE TABLE `joke` (
+                        `id` int(11) NOT NULL,
+                        `section_idfs` int(11) NOT NULL,
+                        `text` text COLLATE utf8_bin NOT NULL,
+                        `rating` int(11) NOT NULL,
+                        `creation_date` datetime NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
+
+
+
+
+--
+-- Indizes für die Tabelle `joke`
+--
+ALTER TABLE `joke` ADD PRIMARY KEY (`id`);
+ALTER TABLE `section` ADD PRIMARY KEY (`id`);
+ALTER TABLE `joke` MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=7;
+ALTER TABLE `section` MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=3;
+

ansible/roles/db/handlers/main.yml

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+---
+- name: restart mariadb
+  service: name=mysql state=restarted

ansible/roles/db/tasks/main.yml

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+---
+- name: update
+  apt: update_cache=yes
+  ignore_errors: yes
+
+- name: install mariadb server because jokesdb has localhost hard coded
+  apt: name=mariadb-server state=latest
+  notify: restart mariadb
+
+- name: install mariadb client
+  apt: name=mariadb-client state=latest
+
+- name: install python3-pymysql
+  apt: name=python3-pymysql state=latest
+
+- name: create a new database with name "{{ db_name }}"
+  community.mysql.mysql_db:
+    name: "{{ db_name }}"
+    state: present
+    login_unix_socket: /run/mysqld/mysqld.sock
+
+- name: create database user with all database privileges
+  community.mysql.mysql_user:
+    name: "{{ db_username }}"
+    password: "{{ db_password }}"
+    priv: "{{ db_name }}.*:ALL"
+    state: present
+    login_unix_socket: /run/mysqld/mysqld.sock
+
+- name: copy database schema file
+  copy:
+    src: files/schema.sql
+    dest: /tmp
+
+- name: copy database data file
+  copy:
+    src: files/data.sql
+    dest: /tmp
+
+- name: import db schema
+  community.mysql.mysql_db:
+    state: import
+    name: "{{ db_name }}"
+    target: /tmp/schema.sql
+    login_unix_socket: /run/mysqld/mysqld.sock
+
+- name: import db data
+  community.mysql.mysql_db:
+    state: import
+    name: "{{ db_name }}"
+    target: /tmp/data.sql
+    login_unix_socket: /run/mysqld/mysqld.sock

ansible/roles/web/files/data.sql

@@ -0,0 +1,12 @@
+
+
+INSERT INTO `section` (`id`, `name`) VALUES
+(1, 'Flachwitze'),
+(2, 'Schwarzer Humor');
+
+INSERT INTO `joke` (`id`, `section_idfs`, `text`, `rating`, `creation_date`) VALUES
+(1, 1, 'Kunde: \"Ich möchte Ihren Chef sprechen!\"\r\nSekretärin: \"Geht leider nicht, er ist nicht da!\"\r\nKunde: \"Ich hab ihn doch durchs Fenster gesehen!\"\r\nSekretärin: \"Er Sie auch!\"', 5, '2014-01-08 21:39:40'),
+(2, 1, 'Der Verwaltungsrat zum CEO:\r\n\"Na, wie macht sich denn der neue Buchhalter?\"\r\nCEO: \"Toll, dieser Mann!\"\r\nVerwaltungsrat: \"Was kann er denn so besonderes?\"\r\nCEO: \"Er ist gelernter Friseur, er kann frisieren!\"', 3, '2014-01-08 21:42:41'),
+(3, 1, 'Chef: \"Müller, Sie sind das beste Pferd in meinem Stall!\"\r\nMüller: \"Wirklich, Chef?\"\r\nChef: \"Ja, Sie machen den meisten Mist!\"', 5, '2014-01-08 21:43:20'),
+(6, 2, 'Was steht auf dem Grabstein eines Mathematikers?\r\n\"Damit hat er nicht gerechnet.\"', 3, '2021-04-06 12:47:17');
+

ansible/roles/web/files/schema.sql

@@ -0,0 +1,26 @@
+DROP TABLE IF EXISTS section;
+CREATE TABLE `section` (
+                           `id` int(11) NOT NULL,
+                           `name` varchar(255) COLLATE utf8_bin NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
+
+DROP TABLE IF EXISTS joke;
+CREATE TABLE `joke` (
+                        `id` int(11) NOT NULL,
+                        `section_idfs` int(11) NOT NULL,
+                        `text` text COLLATE utf8_bin NOT NULL,
+                        `rating` int(11) NOT NULL,
+                        `creation_date` datetime NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
+
+
+
+
+--
+-- Indizes für die Tabelle `joke`
+--
+ALTER TABLE `joke` ADD PRIMARY KEY (`id`);
+ALTER TABLE `section` ADD PRIMARY KEY (`id`);
+ALTER TABLE `joke` MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=7;
+ALTER TABLE `section` MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=3;
+

ansible/roles/web/handlers/main.yml

@@ -0,0 +1,3 @@
+---
+- name: restart mariadb
+  service: name=mysql state=restarted

ansible/roles/web/tasks/main.yml

@@ -0,0 +1,72 @@
+---
+- name: install jre
+  apt: name=openjdk-21-jre-headless state=latest
+
+# the next steps we can skip here because we run the db-role first
+# thanks to the java app wich has the db uri hard coded
+#
+#- name: install mariadb-client
+#  apt: name=mariadb-client state=latest
+#
+#- name: install PyMySQL
+#  apt: name=python3-pymysql state=latest
+#
+#- name: copy database schema file
+#  copy:
+#    src: files/schema.sql
+#    dest: /tmp
+#
+#- name: copy database data file
+#  copy:
+#    src: files/data.sql
+#    dest: /tmp
+
+- name: add user for jokesdb
+  ansible.builtin.user:
+    name: jokesdb
+    comment: user to run application jokesdb
+    create_home: True
+    home: /var/jokesdb
+
+- name: that destination path exists
+  file: 
+    path: /var/jokesdb/bin
+    state: directory
+
+- name: copy architecture-refcard-03-0.0.1-SNAPSHOT.jar
+  copy:
+    src: files/architecture-refcard-03-0.0.1-SNAPSHOT.jar
+    dest: /var/jokesdb/bin
+
+# we run this only because we want to show that it works
+
+- name: import db schema
+  community.mysql.mysql_db:
+    state: import
+    name: jokedb
+    login_host: "{{ db_address }}"
+    login_user: "{{ db_username }}"
+    login_password: "{{ db_password }}"
+    target: /tmp/schema.sql
+
+- name: import db data
+  community.mysql.mysql_db:
+    state: import
+    name: "{{ db_name }}"
+    login_host: "{{ db_address }}"
+    login_user: "{{ db_username }}"
+    login_password: "{{ db_password }}"
+    target: /tmp/data.sql
+
+- name: create default file for application
+  ansible.builtin.template:
+    src: templates/jokesdb.j2
+    dest: /etc/default/jokesdb
+
+- name: create service file to start the application
+  ansible.builtin.template:
+    src: templates/jokesdb_service.j2
+    dest: /etc/systemd/system/jokesdb.service
+
+- name: start jokesdb
+  systemd: state=started name=jokesdb daemon_reload=yes

ansible/roles/web/templates/jokesdb.j2

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+DDB_USERNAME="{{ db_username }}"
+DDB_PASSWORD="{{ db_password }}"
+DDB_URI="mysql://{{ db_address }}:{{ db_port }}/{{ db_name }}"
+JAVA_HOME="/usr/lib/jvm/java-21-openjdk-amd64"
+JAR_FILE="/var/jokesdb/bin/architecture-refcard-03-0.0.1-SNAPSHOT.jar"

ansible/roles/web/templates/jokesdb_service.j2

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+[Unit]
+Description=JokesDB
+After=syslog.target network.target
+
+[Service]
+EnvironmentFile=-/etc/default/jokesdb
+SuccessExitStatus=143
+
+User=jokesdb
+Group=jokesdb
+
+Type=simple
+
+WorkingDirectory=/var/jokesdb
+ExecStart=/usr/bin/env ${JAVA_HOME}/bin/java -DDB_USERNAME=${DDB_USERNAME} -DDB_PASSWORD=${DDB_PASSWORD} -jar ${JAR_FILE} 
+ExecStop=/bin/kill -15 $MAINPID
+
+[Install]
+WantedBy=multi-user.target

ansible/web.yml

@@ -0,0 +1,8 @@
+---
+- name: install and configure database server and start application
+  hosts:
+    - all
+  roles:
+    - web
+  become: true
+  gather_facts: false