Option to run the installer script once.

defaults/main.yml

@@ -44,6 +44,8 @@ r_packages_git_base_dir: /srv/r_updater
 r_packages_files_prefix: ''
 r_packages_updater_also_upgrades_installed_packages: true
 r_packages_updater_for_github_only: true
+# Set this to true if you want to run the installer once, and then never after the first execution
+r_packages_updater_run_once: false
 # They need to be flat text files
 # 1 package per line
 #r_debian_packages_list_url

tasks/r-packages-updater.yml

@@ -1,46 +1,58 @@
 ---
-- name: Manage the subversion repository
+- name: r-packages-updater | Manage the subversion repository
+  when:
+    - r_cran_install_from_sources
+    - r_packages_updater
+    - r_package_updater_via_subversion
+  tags: ['r_software', 'r_pkg', 'r_plugins', 'r_plugins_github', 'r_cran_pkgs', 'r_github_pkgs', 'r_packages_updater']
   block:
-    - name: Create the R packages updater SVN base directory
-      file:
+    - name: r-packages-updater | Create the R packages updater SVN base directory
+      ansible.builtin.file:
         dest: '{{ r_packages_svn_base_dir }}'
         state: directory
+        owner: root
+        group: root
+        mode: "0755"
 
+- name: r-packages-updater | Manage the git repository of the packages lists
   when:
     - r_cran_install_from_sources
     - r_packages_updater
-    - r_package_updater_via_subversion
-  tags: [ 'r_software', 'r_pkg', 'r_plugins', 'r_plugins_github', 'r_cran_pkgs', 'r_github_pkgs', 'r_packages_updater' ]
-
-- name: Manage the git repository of the packages lists
+    - r_package_updater_via_git
+  tags: ['r_software', 'r_pkg', 'r_plugins', 'r_plugins_github', 'r_cran_pkgs', 'r_github_pkgs', 'r_packages_updater']
   block:
-    - name: Remove the R packages updater SVN base directory
-      file:
+    - name: r-packages-updater | Remove the R packages updater SVN base directory
+      ansible.builtin.file:
         dest: '{{ r_packages_svn_base_dir }}/RPackagesManagement'
         state: absent
 
-    - name: Create the R packages updater git base directory
-      file:
+    - name: r-packages-updater | Create the R packages updater git base directory
+      ansible.builtin.file:
         dest: '{{ r_packages_git_base_dir }}'
         state: directory
+        owner: root
+        group: root
+        mode: "0755"
 
-  when:
-    - r_cran_install_from_sources
-    - r_packages_updater
-    - r_package_updater_via_git
-  tags: [ 'r_software', 'r_pkg', 'r_plugins', 'r_plugins_github', 'r_cran_pkgs', 'r_github_pkgs', 'r_packages_updater' ]
-
-- block:
-    - name: Install the R packages updater script
-      template:
+- name: r-packages-updater | Scripts that install/update R packages
+  tags: ['r_software', 'r_pkg', 'r_plugins', 'r_plugins_github', 'r_cran_pkgs', 'r_github_pkgs', 'r_packages_updater']
+  block:
+    - name: r-packages-updater | Install the R packages updater script
+      ansible.builtin.template:
         src: 'update_r_packages.sh.j2'
         dest: '/usr/local/bin/update_r_packages'
         owner: root
         group: root
         mode: '0755'
 
-    - name: Cron job that installs new R packages, if any
-      cron:
+- name: r-packages-updater | Cron jobs that install/update R packages
+  when:
+    - r_cran_install_from_sources
+    - r_packages_updater
+  tags: ['r_software', 'r_pkg', 'r_plugins', 'r_plugins_github', 'r_cran_pkgs', 'r_github_pkgs', 'r_packages_updater']
+  block:
+    - name: r-packages-updater | Cron job that installs new R packages, if any
+      ansible.builtin.cron:
         name: "install new R packages"
         user: root
         cron_file: install-r-packages
@@ -49,8 +61,8 @@
         job: "/usr/local/bin/update_r_packages install >/var/log/install_r_packages 2>&1"
         state: present
 
-    - name: Cron job that upgrades existing R packages and installs new ones, if any
-      cron:
+    - name: r-packages-updater | Cron job that upgrades existing R packages and installs new ones, if any
+      ansible.builtin.cron:
         name: "Upgrade installed R packages"
         user: root
         cron_file: upgrade-r-packages
@@ -60,30 +72,30 @@
         state: present
       when: r_packages_updater_also_upgrades_installed_packages
 
-  when:
-    - r_cran_install_from_sources
-    - r_packages_updater
-  tags: [ 'r_software', 'r_pkg', 'r_plugins', 'r_plugins_github', 'r_cran_pkgs', 'r_github_pkgs', 'r_packages_updater' ]
-
-- block:
-    - name: Remove the R packages updater script
-      file: dest=/usr/local/bin/update_r_packages state=absent
-
-    - name: Remove the R packages updater SVN base directory
-      file: dest={{ r_packages_svn_base_dir }} state=absent
-
-    - name: Remove the cron job that installs new R packages
-      file: dest=/etc/cron.d/install-r-packages state=absent
-
-    - name: Remove the cron job that upgrades existing R packages and installs new ones
-      file: dest=/etc/cron.d/upgrade-r-packages state=absent
-
+- name: r-packages-updater | Remove the update scripts
   when: not r_packages_updater
-  tags: [ 'r_software', 'r_pkg', 'r_plugins', 'r_plugins_github', 'r_cran_pkgs', 'r_github_pkgs', 'r_packages_updater' ]
+  tags: ['r_software', 'r_pkg', 'r_plugins', 'r_plugins_github', 'r_cran_pkgs', 'r_github_pkgs', 'r_packages_updater']
+  block:
+    - name: r-packages-updater | Remove the R packages updater SVN base directory
+      ansible.builtin.file:
+        dest: "{{ r_packages_svn_base_dir }}"
+        state: absent
 
-- block:
-    - name: Disable the cron job that upgrades already installed R packages
-      file: dest=/etc/cron.d/upgrade-r-packages state=absent
+    - name: r-packages-updater | Remove the cron job that installs new R packages
+      ansible.builtin.file:
+        dest: /etc/cron.d/install-r-packages
+        state: absent
 
+    - name: r-packages-updater | Remove the cron job that upgrades existing R packages and installs new ones
+      ansible.builtin.file:
+        dest: /etc/cron.d/upgrade-r-packages
+        state: absent
+
+- name: r-packages-updater | Disable the cron job that updates the R packages
   when: not r_packages_updater_also_upgrades_installed_packages
-  tags: [ 'r_software', 'r_pkg', 'r_plugins', 'r_plugins_github', 'r_cran_pkgs', 'r_github_pkgs', 'r_packages_updater' ]
+  tags: ['r_software', 'r_pkg', 'r_plugins', 'r_plugins_github', 'r_cran_pkgs', 'r_github_pkgs', 'r_packages_updater']
+  block:
+    - name: r-packages-updater | Disable the cron job that upgrades already installed R packages
+      ansible.builtin.file:
+        dest: /etc/cron.d/upgrade-r-packages
+        state: absent

templates/update_r_packages.sh.j2

@@ -42,6 +42,11 @@ UPDATER_DEFAULT_BEHAVIOUR="github_only"
 {% else %}
 UPDATER_DEFAULT_BEHAVIOUR="everything"
 {% endif %}
+{% if r_packages_updater_run_once %}
+INSTALLER_BEHAVIOUR="once"
+{% else %}
+INSTALLER_BEHAVIOUR="always"
+{% endif %}
 # - debian packages list format:
 # one package per line
 DEB_PKGS_SKIP=0
@@ -317,6 +322,14 @@ function r_github_pkgs() {
 usage
 get_args
 init_env
+if [ "$INSTALLER_BEHAVIOUR" == "once" ] ; then
+    if [ -d $R_PKGS_BASE_DIR/$R_PKGS_DIR ] ; then
+        logger "update_r_packages: The script run once already. Doing nothing."
+        cleanup
+        exit 0
+    fi
+fi
+
 if [ $R_PKGS_FROM_GIT == 'True' ] ; then
     get_data_files_from_git
     if [ $GIT_UPDATE_STATUS -ne 1 -a "$ACTION" == "install" ] ; then