library/roles/haproxy: Fixes to the letsencrypt scripts.

d4science-infrastructure/roles/redmine: support letsencrypt certificates on the dev redmine virtualhost.
library/roles/apache/tasks/apache-letsencrypt.yml: Support for letsencrypt (acme tool).
library/roles/ubuntu-deb-general/tasks/pki-basics.yml: Do not create the fake certificates if valid ones exist.

apache/defaults/main.yml

@@ -72,3 +72,10 @@ apache_additional_modules: False
 apache_additional_modules_list:
 #  -
 #  -
+
+apache_letsencrypt_proxy_modules:
+  - proxy
+  - proxy_http
+
+apache_letsencrypt_proxy_conf:
+  - letsencrypt-proxy.conf

apache/files/apache-letsencrypt-acme.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+LE_SERVICES_SCRIPT_DIR=/usr/lib/acme/hooks
+LE_CERTS_DIR=/var/lib/acme/live/$HOSTNAME
+LE_LOG_DIR=/var/log/letsencrypt
+DATE=$( date )
+
+[ ! -d $LE_LOG_DIR ] && mkdir $LE_LOG_DIR
+echo "$DATE" >> $LE_LOG_DIR/apache.log
+
+if [ -f /etc/default/letsencrypt ] ; then
+    . /etc/default/letsencrypt
+else
+    echo "No letsencrypt default file" >> $LE_LOG_DIR/apache.log
+fi
+
+echo "Reload the apache service" >> $LE_LOG_DIR/apache.log
+if [ -x /bin/systemctl ] ; then
+    systemctl reload apache2 >> $LE_LOG_DIR/apache.log 2>&1
+else
+    service apache2 reload >> $LE_LOG_DIR/apache.log 2>&1
+fi
+
+echo "Done." >> $LE_LOG_DIR/apache.log
+
+exit 0

apache/tasks/apache-letsencrypt.yml

@@ -0,0 +1,35 @@
+---
+- block:
+    - name: Enable the proxy modules needed by letsencrypt
+      apache2_module: name={{ item }} state=present
+      notify: apache2 reload 
+      with_items: '{{ apache_letsencrypt_proxy_modules }}'
+
+    - name: Install the letsencrypt conf
+      template: src=letsencrypt-proxy.conf.j2 dest=/etc/apache2/conf-available/letsencrypt-proxy.conf owner=root group=root mode=0644
+      notify: apache2 reload 
+
+    - name: Enable the letsencrypt conf
+      file: src=/etc/apache2/conf-available/letsencrypt-proxy.conf dest=/etc/apache2/conf-enabled/letsencrypt-proxy.conf state=link
+      notify: apache2 reload 
+
+    - name: Create the acme hooks directory if it does not yet exist
+      file: dest={{ letsencrypt_acme_services_scripts_dir }} state=directory owner=root group=root
+
+    - name: Install a letsencrypt hook for apache
+      copy: src=apache-letsencrypt-acme.sh dest={{ letsencrypt_acme_services_scripts_dir }}/apache2 owner=root group=root mode=4555
+
+  when: letsencrypt_acme_install is defined and letsencrypt_acme_install
+  tags: [ 'apache', 'letsencrypt' ]
+
+- block:
+    - name: Disable the letsencrypt conf
+      file: dest=/etc/apache2/conf-enabled/letsencrypt-proxy.conf state=absent
+      notify: apache2 reload 
+
+    - name: Remove the letsencrypt hook for apache
+      file: path={{ letsencrypt_acme_services_scripts_dir }}/apache2 state=absent
+
+  when: ( letsencrypt_acme_install is defined ) and ( not letsencrypt_acme_install )
+  tags: [ 'apache', 'apache_mods', 'letsencrypt' ]
+

apache/tasks/main.yml

@@ -3,3 +3,5 @@
 - include: apache-modules.yml
 - include: apache-basic-auth.yml
   when: apache_basic_auth
+- include: apache-letsencrypt.yml
+  when: letsencrypt_acme_install is defined and letsencrypt_acme_install

apache/templates/letsencrypt-proxy.conf.j2

@@ -0,0 +1 @@
+ProxyPass "/.well-known/acme-challenge" "http://127.0.0.1:{{ letsencrypt_acme_standalone_port}}/.well-known/acme-challenge"

haproxy/files/haproxy-letsencrypt-acme.sh

@@ -23,7 +23,12 @@ chmod 440 ${HAPROXY_CERTFILE}
 chgrp haproxy ${HAPROXY_CERTFILE}
 
 echo "Reload the haproxy service" >> $LE_LOG_DIR/haproxy.log
-service haproxy reload >/dev/null 2>&1
+if [ -x /bin/systemctl ] ; then
+    systemctl reload haproxy >> $LE_LOG_DIR/haproxy.log 2>&1
+else
+    service haproxy reload >> $LE_LOG_DIR/haproxy.log 2>&1
+fi
+
 echo "Done." >> $LE_LOG_DIR/haproxy.log
 
 exit 0

haproxy/tasks/haproxy-letsencrypt-acmetool.yml

@@ -1,4 +1,11 @@
 ---
+- name: Create the acme hooks directory if it does not yet exist
+  file: dest={{ letsencrypt_acme_services_scripts_dir }} state=directory owner=root group=root
+  when:
+    - haproxy_letsencrypt_managed
+    - letsencrypt_acme_install
+  tags: [ 'haproxy', 'letsencrypt' ]
+
 - name: Install a script that fix the letsencrypt certificate for haproxy and then reload the service
   copy: src=haproxy-letsencrypt-acme.sh dest={{ letsencrypt_acme_services_scripts_dir }}/haproxy owner=root group=root mode=4555
   when:

letsencrypt-acmetool-client/tasks/main.yml

@@ -107,7 +107,7 @@
 - name: letsencrypt acmetool initializaztion
   become: True
   become_user: '{{ letsencrypt_acme_user }}'
-  command: '{{ letsencrypt_acme_command }} {{ letsencrypt_acme_command_opts }} quickstart'
+  shell: 'rm -fr {{ letsencrypt_acme_user_home }}/certs/fakeselfsignedcert ; rm -fr {{ letsencrypt_acme_user_home }}/keys/fakeselfsigned/cert ; rm {{ letsencrypt_acme_user_home }}/live/{{ ansible_fqdn }} ;  {{ letsencrypt_acme_command }} {{ letsencrypt_acme_command_opts }} quickstart'
   args:
     creates: '{{ letsencrypt_acme_user_home }}/accounts'
   when: letsencrypt_acme_install

ubuntu-deb-general/tasks/pki-basics.yml

@@ -8,44 +8,45 @@
   with_items: '{{ pki_subdirs }}'
   tags: [ 'pki', 'ssl', 'letsencrypt' ]
 
+- name: When we are going to install letsencrypt certificates, create a preliminary path and a self signed cert. Check if a certificate already exists. If so, skip all the related tasks
+  stat: path={{ letsencrypt_acme_user_home }}/live/{{ ansible_fqdn }}
+  register: true_cert
+  when: letsencrypt_acme_install is defined and letsencrypt_acme_install
+  tags: [ 'pki', 'ssl', 'letsencrypt' ]
+
 - name: When we are going to install letsencrypt certificates, create a preliminary path and a self signed cert. Now the physical paths
   file: path={{ item }} mode=0755 state=directory
   with_items:
     - '{{ letsencrypt_acme_user_home }}/live'
     - '{{ letsencrypt_acme_user_home }}/certs/fakeselfsignedcert' 
     - '{{ letsencrypt_acme_user_home }}/keys/fakeselfsignedcert' 
-  when: letsencrypt_acme_install is defined and letsencrypt_acme_install
+  when: ( true_cert.stat.islnk is not defined ) and ( letsencrypt_acme_install is defined and letsencrypt_acme_install )
   tags: [ 'pki', 'ssl', 'letsencrypt' ]
   
 - name: When we are going to install letsencrypt certificates, create a preliminary path and a self signed cert. Now the certificate and private key
   command: openssl req -x509 -newkey rsa:2048 -keyout {{ letsencrypt_acme_user_home }}/keys/fakeselfsignedcert/privkey -out {{ letsencrypt_acme_user_home }}/certs/fakeselfsignedcert/cert -days 10 -nodes -subj '/CN=self signed certificate'
   args:
     creates: '{{ letsencrypt_acme_user_home }}/certs/fakeselfsignedcert/cert'
-  when: letsencrypt_acme_install is defined and letsencrypt_acme_install
+  when: ( true_cert.stat.islnk is not defined ) and ( letsencrypt_acme_install is defined and letsencrypt_acme_install )
   tags: [ 'pki', 'ssl', 'letsencrypt' ]
 
 - name: When we are going to install letsencrypt certificates, create a preliminary path and a self signed cert. Now the symbolic links for the private key
   file: src={{ letsencrypt_acme_user_home }}/keys/fakeselfsignedcert/privkey dest={{ letsencrypt_acme_user_home }}/certs/fakeselfsignedcert/privkey state=link
-  when: letsencrypt_acme_install is defined and letsencrypt_acme_install
+  when: ( true_cert.stat.islnk is not defined ) and ( letsencrypt_acme_install is defined and letsencrypt_acme_install )
   tags: [ 'pki', 'ssl', 'letsencrypt' ]
   
 - name: When we are going to install letsencrypt certificates, create a preliminary path and a self signed cert. Now the symbolic links for the chain file
   file: src={{ letsencrypt_acme_user_home }}/certs/fakeselfsignedcert/cert dest={{ letsencrypt_acme_user_home }}/certs/fakeselfsignedcert/chain state=link
-  when: letsencrypt_acme_install is defined and letsencrypt_acme_install
+  when: ( true_cert.stat.islnk is not defined ) and ( letsencrypt_acme_install is defined and letsencrypt_acme_install )
-  tags: [ 'pki', 'ssl', 'letsencrypt' ]
-  
-- name: When we are going to install letsencrypt certificates, create a preliminary path and a self signed cert. Check if a certificate already exists
-  stat: path={{ letsencrypt_acme_user_home }}/live/{{ ansible_fqdn }}
-  register: true_cert
   tags: [ 'pki', 'ssl', 'letsencrypt' ]
   
 - name: When we are going to install letsencrypt certificates, create a preliminary path and a self signed cert. Now the symbolic links for the certificate if there is not one
   file: src={{ letsencrypt_acme_user_home }}/certs/fakeselfsignedcert dest={{ letsencrypt_acme_user_home }}/live/{{ ansible_fqdn }} state=link
-  when: true_cert.stat.islnk is defined and true_cert.stat.islnk == False
+  when: ( true_cert.stat.islnk is not defined ) and ( letsencrypt_acme_install is defined and letsencrypt_acme_install )
   tags: [ 'pki', 'ssl', 'letsencrypt' ]
   
 - name: When we are going to install letsencrypt certificates, create a preliminary path and a self signed cert. Now handle the haproxy special case
-  command: mkdir {{ pki_dir }}/haproxy ; cat {{ letsencrypt_acme_user_home }}/live/{{ ansible_fqdn }}/privkey {{ letsencrypt_acme_user_home }}/live/{{ ansible_fqdn }}/cert > {{ pki_dir }}/haproxy/haproxy.pem
+  shell: mkdir {{ pki_dir }}/haproxy ; cat {{ letsencrypt_acme_user_home }}/live/{{ ansible_fqdn }}/privkey {{ letsencrypt_acme_user_home }}/live/{{ ansible_fqdn }}/cert > {{ pki_dir }}/haproxy/haproxy.pem
   args:
     creates: '{{ pki_dir }}/haproxy/haproxy.pem'
   when: