playbook: support debian 8, 9 and 10

playbook/roles/slapcache/tasks/main.yml

@@ -12,14 +12,10 @@
     ignore_errors: True
     register: pip3_installed
 
-  - name: Make sure pip is installed
-    shell: easy_install pip
-    when: pip_installed is failed and pip3_installed is failed
-
-  - name: Install slapcache on Debian != 9
+  - name: Install slapcache on Debian < 9
     include: pip_installations_success.yml
-    when: ansible_distribution == "Debian" and ansible_distribution_major_version != "9"
+    when: ansible_distribution == "Debian" and ansible_distribution_major_version < "9"
 
-  - name: Install slapcache on Debian == 9
+  - name: Install slapcache on Debian >= 9
     include: pip_installations_succeeded.yml
-    when: ansible_distribution == "Debian" and ansible_distribution_major_version == "9"
+    when: ansible_distribution == "Debian" and ansible_distribution_major_version >= "9"

playbook/roles/slapcache/tasks/pip_installations_succeeded.yml

-# Installations on Ansible which supports succeeded
+# Installations on newest Ansible which supports succeeded
+
+  - name: Make sure pip is installed
+    shell: easy_install pip
+    when: pip_installed is failed and pip3_installed is failed
+
   - name: Install/Upgrade latest slapos.libnetworkcache using pip
     shell: pip install --upgrade slapos.libnetworkcache
     when: pip_installed is succeeded

playbook/roles/slapcache/tasks/pip_installations_success.yml

-# Installations on Ansible which supports *ONLY* success
+# Installations on old Ansible where tests are filter like
+
+  - name: Make sure pip is installed
+    shell: easy_install pip
+    when: pip_installed | failed and pip3_installed | failed
+
   - name: Install/Upgrade latest slapos.libnetworkcache using pip
     shell: pip install --upgrade slapos.libnetworkcache
-    when: pip_installed is success
+    when: pip_installed | success
 
   - name: Install/Upgrade latest slapcache using pip
     shell: pip install --upgrade slapcache
-    when: pip_installed is success
+    when: pip_installed | success
 
   - name: Install/Upgrade latest slapos.libnetworkcache using pip3
     shell: pip3 install --upgrade slapos.libnetworkcache
-    when: pip3_installed is success
+    when: pip3_installed | success
 
   - name: Install/Upgrade latest slapcache using pip3
     shell: pip3 install --upgrade slapcache
-    when: pip3_installed is success
+    when: pip3_installed | success