Add support for Rados Gateway configuration with Keystone

Signed-off-by: Sébastien Han <seb@redhat.com>

group_vars/all

@@ -112,6 +112,14 @@ dummy:
 #radosgw_dns_name: your.subdomain.tld # subdomains used by radosgw. See http://ceph.com/docs/master/radosgw/config/#enabling-subdomain-s3-calls
 #radosgw_frontend: civetweb # supported options are 'apache' or 'civetweb', also edit roles/ceph-radosgw/defaults/main.yml
 #radosgw_civetweb_port: 80
+#radosgw_keystone: false # activate OpenStack Keystone options full detail here: http://ceph.com/docs/master/radosgw/keystone/
+#radosgw_keystone_url: # url:admin_port ie: http://192.168.0.1:35357
+#radosgw_keystone_admin_token: password
+#radosgw_keystone_accepted_roles: Member, _member_, admin
+#radosgw_keystone_token_cache_size: 10000
+#radosgw_keystone_revocation_internal: 900
+#radosgw_s3_auth_use_keystone: "true"
+#radosgw_nss_db_path: /var/lib/ceph/radosgw/ceph-radosgw.{{ ansible_hostname }}/nss
 
 ## REST API options
 #

roles/ceph-common/defaults/main.yml

@@ -127,6 +127,14 @@ radosgw: false # referenced in monitor role too.
 #radosgw_dns_name: your.subdomain.tld # subdomains used by radosgw. See http://ceph.com/docs/master/radosgw/config/#enabling-subdomain-s3-calls
 radosgw_frontend: civetweb # supported options are 'apache' or 'civetweb', also edit roles/ceph-radosgw/defaults/main.yml
 radosgw_civetweb_port: 80
+radosgw_keystone: false # activate OpenStack Keystone options full detail here: http://ceph.com/docs/master/radosgw/keystone/
+#radosgw_keystone_url: # url:admin_port ie: http://192.168.0.1:35357
+radosgw_keystone_admin_token: password
+radosgw_keystone_accepted_roles: Member, _member_, admin
+radosgw_keystone_token_cache_size: 10000
+radosgw_keystone_revocation_internal: 900
+radosgw_s3_auth_use_keystone: "true"
+radosgw_nss_db_path: /var/lib/ceph/radosgw/ceph-radosgw.{{ ansible_hostname }}/nss
 
 ## REST API options
 #

roles/ceph-common/templates/ceph.conf.j2

@@ -149,6 +149,15 @@
   {% if radosgw_frontend  == 'civetweb' %}
   rgw frontends = civetweb port={{ radosgw_civetweb_port }}
   {% endif %}
+  {% if radosgw_keystone %}
+  rgw keystone url = {{ radosgw_keystone_url }}
+  rgw keystone admin token = {{ radosgw_keystone_admin_token }}
+  rgw keystone accepted roles = {{ radosgw_keystone_accepted_roles }}
+  rgw keystone token cache size = {{ radosgw_keystone_token_cache_size }}
+  rgw keystone revocation interval = {{ radosgw_keystone_revocation_internal }}
+  rgw s3 auth use keystone = {{ radosgw_s3_auth_use_keystone }}
+  nss db path = {{ radosgw_nss_db_path }}
+  {% endif %}
 {% endif %}
 {% endfor %}
 {% endif %}

roles/ceph-radosgw/tasks/main.yml

@@ -21,6 +21,9 @@
     state=present
   when: ansible_os_family == 'RedHat' and not ceph_containerized_deployment
 
+- include: openstack-keystone.yml
+  when: radosgw_keystone
+
 - include: start_radosgw.yml
   when: not ceph_containerized_deployment
 

roles/ceph-radosgw/tasks/openstack-keystone.yml

@@ -0,0 +1,14 @@
+---
+- name: create nss directory for Keystone certificates
+  file: >
+    path={{ radosgw_nss_db_path }}
+    state=directory
+    owner=root
+    group=root
+    mode=0644
+
+- name: create nss entries for Keystone certificates
+  shell: "{{ item }}"
+  with_items:
+    - "openssl x509 -in /etc/keystone/ssl/certs/ca.pem -pubkey |certutil -d {{ radosgw_nss_db_path }} -A -n ca -t 'TCu,Cu,Tuw'"
+    - "openssl x509 -in /etc/keystone/ssl/certs/signing_cert.pem -pubkey | certutil -A -d {{ radosgw_nss_db_path }} -n signing_cert -t 'P,P,P'"