install.yaml

---

- name: Install Python 3.7.3 + mod_wsgi 4.6.5
  hosts: 127.0.0.1
  connection: local
  become: yes
  become_user: root
  become_method: su
  vars:
    python_version: "3.7.3"
    install_url: "https://www.python.org/ftp/python/"
    mod_wsgi_source_url: "https://github.com/GrahamDumpleton/mod_wsgi/archive"
    mod_wsgi_source_version: "4.6.5"

  tasks:
  - name: Detecting python3 ...
    shell: "python3 --version 2>&1"
    ignore_errors: true
    register: ver

  - name: "Evaluating python3 version ..."
    set_fact:
      is_update_needed: "{{ ( ver.stdout_lines[0] != 'Python ' + python_version)  }}"

  - meta: end_play
    when: not is_update_needed

  - name: "Installing required yum packages for Python {{ python_version }} compilation ..."
    yum:
      name:
        - zlib-devel
        - libffi-devel
        - openssl-devel
        - gcc
        - gcc-c++
      state: present

  - name: "Downloading source from {{ install_url }} ..."
    shell: |
      cd /usr/src
      wget {{ install_url }}/{{ python_version }}/Python-{{ python_version }}.tgz
      tar xzf Python-{{ python_version }}.tgz

  - name: "Compile - configure"
    shell: |
      cd /usr/src/Python-{{ python_version }}
      ./configure --prefix=/usr/bin/python3.7 --with-ensurepip=yes --enable-silent-rules --disable-tests --enable-shared

  - name: "Compile - make install"
    shell: |
      export LD_RUN_PATH=/usr/bin/python3.7/lib
      CORES=`nproc --all`
      cd /usr/src/Python-{{ python_version }}
      make install -j $CORES
      rm -f /usr/src/Python-{{ python_version }}.tgz

  - name: "Finalizing installation"
    shell: |
      echo -e "\n# Path to python {{ python_version }} " >> /etc/bashrc
      echo -e "export PATH=\"\$PATH:/usr/bin/python3.7/bin\"" >> /etc/bashrc
      ln -sf /usr/bin/python3.7/bin/pip3 /usr/bin/pip3
      ln -sf /usr/bin/python3.7/bin/pip3.7 /usr/bin/pip3.7
      ln -sf /usr/bin/python3.7/bin/python3.7 /usr/bin/python3.7
      ln -sf /usr/bin/python3.7/bin/python3.7m /usr/bin/python3.7m
      ln -sf /usr/bin/python3.7/bin/python3.7 /usr/bin/python3

  - name: "Installing and updating pip"
    shell: |
      sudo /usr/src/Python-{{ python_version }}/python -m ensurepip
      sudo /usr/src/Python-{{ python_version }}/python -m pip install -q --upgrade pip

  - name: "Installing httpd and httpd-devel"
    yum:
      name:
        - httpd
        - httpd-devel
      state: present

  - name: "Downloading mod_wsgi from {{ mod_wsgi_source_url }} and compiling ..."
    shell: |
      mkdir -f /tmp/m
      cd /tmp/m
      wget --quiet {{ mod_wsgi_source_url }}/{{ mod_wsgi_source_version }}.tar.gz
      tar xvfz ./{{ mod_wsgi_source_version }}.tar.gz
      cd mod_wsgi-{{ mod_wsgi_source_version }}/
      ./configure --with-apxs=/bin/apxs --with-python=/usr/bin/python3.7/bin/python3.7
      make
      sudo make install
      cd /
      rm -rf /tmp/m

  - name: "Adding shared object libpython3.7m.so.1.0 to /lib"
    shell: |
      sudo ln -sf /usr/bin/python3.7/lib/libpython3.7m.so.1.0 /lib/libpython3.7m.so.1.0
      sudo ln -sf /usr/bin/python3.7/lib/libpython3.7m.so.1.0 /lib64/libpython3.7m.so.1.0

  - name: "Adding mod_wsgi to Apache"
    shell: |
      sudo echo -e "# This file loads custom built mod_wsgi {{ mod_wsgi_source_version }} with Python {{ python_version }}\n\nLoadModule wsgi_module modules/mod_wsgi.so\n\n" >> /etc/httpd/conf.modules.d/10-python-{{ python_version }}-wsgi-{{ mod_wsgi_source_version }}.conf

  - name: "Restarting Apache"
    shell: |
      apachectl restart