Update to 2021-12-01 19:13

roles/maven/defaults/main.yml

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+---
+
+mvn_version: 3.8.3
+mvn_archive_url: https://miroir.univ-lorraine.fr/apache/maven/maven-3/{{ mvn_version }}/binaries/apache-maven-{{ mvn_version }}-bin.tar.gz
+mvn_archive_sha1: cbd24fbfa9845e72f1ca01b8571b5db5bde6c333
+mvn_root_dir: /opt/maven

roles/maven/tasks/cleanup.yml

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+---
+
+- name: Remove temp files
+  file: path={{ item }} state=absent
+  loop:
+    - "{{ mvn_root_dir }}/tmp/apache-maven-{{ mvn_version }}-bin.tar.gz"
+    - "{{ mvn_root_dir }}/tmp/apache-maven-{{ mvn_version }}"
+  tags: mvn

roles/maven/tasks/directories.yml

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+---
+
+- name: Create needed directories
+  file: path={{ item.dir }} state=directory owner={{ item.owner | default(omit) }} group={{ item.group | default(omit) }} mode={{ item.mode | default(omit) }}
+  loop:
+    - dir: "{{ mvn_root_dir }}"
+    - dir: "{{ mvn_root_dir }}/meta"
+      mode: 700
+    - dir: "{{ mvn_root_dir }}/tmp"
+      mode: 700
+    - dir : "{{ mvn_root_dir }}/apache-maven"
+  tags: mvn

roles/maven/tasks/facts.yml

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+---
+
+- name: Set install mode
+  set_fact: mvn_install_mode='none'
+  tags: mvn
+
+- name: Check if version file exists
+  stat: path={{ mvn_root_dir }}/meta/ansible_version
+  register: mvn_version_file
+  tags: mvn
+
+- name: Detect installed version
+  block:
+    - slurp: src={{ mvn_root_dir }}/meta/ansible_version
+      register: mvn_current_version
+    - set_fact: mvn_current_version={{ mvn_current_version.content | b64decode | trim }}
+  when: mvn_version_file.stat.exists
+  tags: mvn
+
+- name: Set install mode
+  set_fact: mvn_install_mode='install'
+  when: not mvn_version_file.stat.exists
+  tags: mvn
+
+- name: Set upgrade mode
+  set_fact: mvn_install_mode='upgrade'
+  when:
+    - mvn_version_file.stat.exists
+    - mvn_current_version != mvn_version
+  tags: mvn

roles/maven/tasks/install.yml

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+---
+
+- name: Install java
+  yum:
+    name:
+      - java-1.8.0-openjdk
+  tags: mvn
+
+- name: Install or update maven
+  block:
+    - name: Download maven
+      get_url:
+        url: "{{ mvn_archive_url }}"
+        dest: "{{ mvn_root_dir }}/tmp/"
+        checksum: sha1:{{ mvn_archive_sha1 }}
+
+    - name: Extract maven archive
+      unarchive:
+        src: "{{ mvn_root_dir }}/tmp/apache-maven-{{ mvn_version }}-bin.tar.gz"
+        dest: "{{ mvn_root_dir }}/tmp/"
+        remote_src: True
+
+    - name: Move maven to its final location
+      synchronize:
+        src: "{{ mvn_root_dir }}/tmp/apache-maven-{{ mvn_version }}/"
+        dest: "{{ mvn_root_dir }}/apache-maven/"
+        recursive: True
+        delete: True
+        compress: False
+      delegate_to: "{{ inventory_hostname }}"
+
+  when: mvn_install_mode != 'none'
+  tags: mvn
+
+  # Needed if you use a proxy, as maven does not honor the standard http_proxy / https_proxy env vars
+- name: Configure maven
+  template: src=maven.xml.j2 dest={{ mvn_root_dir }}/apache-maven/conf/settings.xml
+  tags: jitsi,mvn
+
+- name: Write installed version
+  copy: content={{ mvn_version }} dest={{ mvn_root_dir }}/meta/ansible_version
+  tags: mvn
+
+- name: Deploy profile script
+  template: src=profile.sh.j2 dest=/etc/profile.d/maven.sh mode=755
+  tags: mvn

roles/maven/tasks/main.yml

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+---
+
+- include: directories.yml
+- include: facts.yml
+- include: install.yml
+- include: cleanup.yml

roles/maven/templates/maven.xml.j2

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+<settings>
+{% if system_proxy is defined and system_proxy != '' %}
+  <proxies>
+    <proxy>
+      <active>true</active>
+      <protocol>http</protocol>
+      <host>{{ system_proxy | urlsplit('hostname') }}</host>
+      <port>{{ system_proxy | urlsplit('port') }}</port>
+{% if system_proxy_no_proxy is defined and system_proxy_no_proxy | length > 0 %}
+      <nonProxyHosts>{{ system_proxy_no_proxy | join('|') }}</nonProxyHosts>
+{% endif %}
+    </proxy>
+  </proxies>
+{% endif %}
+</settings>

roles/maven/templates/profile.sh.j2

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+#!/bin/sh
+
+export JAVA_HOME=/usr/lib/jvm/jre-openjdk
+export M2_HOME={{ mvn_root_dir }}/apache-maven
+export MAVEN_HOME={{ mvn_root_dir }}/apache-maven
+export PATH=${M2_HOME}/bin:${PATH}