fix more Ansible syntax

apache/tasks/main.yml

@@ -130,7 +130,7 @@
     state: link
     force: yes
   notify: reload apache
-  when: apache_evolinux_default_enabled
+  when: apache_evolinux_default_enabled | bool
   tags:
     - apache
 
@@ -205,6 +205,6 @@
     - apache
 
 - include: munin.yml
-  when: apache_munin_include
+  when: apache_munin_include | bool
   tags:
     - apache

evolinux-base/tasks/main.yml

@@ -56,7 +56,7 @@
 
 - name: SSH configuration
   include: ssh.yml
-  when: evolinux_ssh_include
+  when: evolinux_ssh_include | bool
     
 ### disabled because of a memory leak
 # - name: Create evolinux users

evolinux-base/tasks/ssh.yml

@@ -51,7 +51,7 @@
     regexp: '^AcceptEnv'
     replace: "#AcceptEnv"
   notify: reload sshd
-  when: evolinux_ssh_disable_acceptenv
+  when: evolinux_ssh_disable_acceptenv | bool
 
 - name: Set log level to verbose (for Debian >= 9)
   replace:
@@ -66,7 +66,7 @@
   changed_when: False
   register: logname
   check_mode: no
-  when: evolinux_ssh_allow_current_user
+  when: evolinux_ssh_allow_current_user | bool
 
 # we must double-escape caracters, because python
 - name: verify AllowUsers directive
@@ -75,7 +75,7 @@
   changed_when: False
   register: grep_allowusers_ssh
   check_mode: no
-  when: evolinux_ssh_allow_current_user
+  when: evolinux_ssh_allow_current_user | bool
 
 - name: "Add AllowUsers sshd directive for current user"
   lineinfile:

percona/tasks/main.yml

@@ -43,7 +43,7 @@
     name: percona-release
     state: latest
   register: percona__apt_config_deb
-  when: percona__apt_config_package_installed
+  when: percona__apt_config_package_installed | bool
 
 - name: APT cache is up-to-date
   apt: