add per host for groups certs

README.md

@@ -9,7 +9,7 @@ Inventory example:
         - { host: "server-2", path: "/opt/certs" }
       groups:
         - { group: "cacert_clients", path: "/opt/certs" }
-        - { group: "mygroupname", path: "/opt/certs" }
+        - { group: "mygroupname1", path: "/opt/certs" }
     
     cacert_cn_certs:
       - name: mycertname.example.com
@@ -20,10 +20,10 @@ Inventory example:
           - { host: "server-2", path: "/opt/certs", concat: "pem" }
         groups:
           - { group: "cacert_clients", path: "/opt/certs" }
-          - { group: "mygroupname", path: "/opt/certs" }
+          - { group: "mygroupname1", path: "/opt/certs" }
     
     cacert_group_certs:
-      - name: mygroupcert
+      - name: mygroupcert.example.com
         append_groups:
           - consul
           - patroni
@@ -34,5 +34,9 @@ Inventory example:
           - { host: "server-2", path: "/opt/certs", concat: "pem" }
         groups:
           - { group: "cacert_clients", path: "/opt/certs" }
-          - { group: "mygroupname", path: "/opt/certs" }
+          - { group: "mygroupname1", path: "/opt/certs" }
     
+    cacert_per_host_certs:
+      groups:
+        - { group: "mygroupname1", path: "/opt/koji/certs", concat: "pem" }
+

defaults/main.yaml

@@ -24,8 +24,8 @@ cacert_ca_trust_anchors_update: False
 #      - { group: "mygroupname", path: "/opt/certs" }
 #
 #cacert_group_certs:
-#  - name: mygroupcert
+#  - name: mygroupcert.example.com
-#    host_groups:
+#    append_groups:
 #      - consul
 #      - patroni
 #    hosts:
@@ -36,4 +36,10 @@ cacert_ca_trust_anchors_update: False
 #    groups:
 #      - { group: "cacert_clients", path: "/opt/certs" }
 #      - { group: "mygroupname", path: "/opt/certs" }
-
+#
+#cacert_per_host_certs:
+#  groups:
+#    - { group: "mygroupname1", path: "/opt/certs" }
+#    - { group: "mygroupname1", path: "/opt/certs", concat: "pem" }
+#    - { group: "mygroupname2", path: "/opt/certs" }
+#    - { group: "mygroupname2", path: "/opt/certs", concat: "pem" }

meta/main.yaml

@@ -0,0 +1,2 @@
+---
+dependencies: []

tasks/ca.yaml

@@ -1,6 +1,16 @@
 - name: Create CA {{ cacert_ca_name }}
   when: inventory_hostname in groups[cacert_ca_group]
   block:
+    - name: CA and certs | Install cryptography library
+      dnf:
+        name: python-cryptography
+        state: present
+
+    - name: CA and certs | Check if ssl gen dir exist
+      file:
+        name: "{{ cacert_ssl_gen_path }}"
+        state: directory
+
     - name: Generate an OpenSSL private CA key with the default values (4096 bits, RSA)
       community.crypto.openssl_privatekey:
         path: "{{ cacert_ssl_gen_path }}/{{ cacert_ca_name }}.key"
@@ -19,7 +29,7 @@
         key_usage_critical: true
         common_name: "{{ cacert_ca_name }}"
       register: cacert_ca_csr
-    
+
     - name: Generate a Self Signed OpenSSL CA certificate
       community.crypto.x509_certificate:
         path: "{{ cacert_ssl_gen_path }}/{{ cacert_ca_name }}.crt"
@@ -42,16 +52,19 @@
       set_fact:
         cacert_ca_key: "{{ cacert_ca_key_b64.content | b64decode }}"
         cacert_ca_cert: "{{ cacert_ca_cert_b64.content | b64decode }}"
-      delegate_to: "{{ item }}"
+      delegate_to: "{{ fact_item }}"
       delegate_facts: true
-      run_once: true
       with_items: 
         - "{{ groups[cacert_ca_group] | default([]) }}"
         - "{{ groups[cacert_clients_group] | default([]) }}"
+      loop_control:
+        loop_var: fact_item
 
 - name: Distribute CA certificate to hosts
   become: true
-  when: inventory_hostname in groups.cacert_clients
+  when:
+    - cacert_ca_copy_to.hosts is defined
+    - inventory_hostname in groups.cacert_clients
   block:
     - name: CA and cert | Check if dest dir exist on remote host
       file:
@@ -83,7 +96,7 @@
       register: ca_trust_anchors
       when:
         - inventory_hostname == host_item.host
-    
+
     - name: Update CA trust
       shell: update-ca-trust extract
       loop: "{{ cacert_ca_copy_to.hosts }}"
@@ -96,7 +109,9 @@
 
 - name: Distribute CA certificate to groups
   become: true
-  when: inventory_hostname in groups[cacert_clients_group]
+  when: 
+    - cacert_ca_copy_to.groups is defined
+    - inventory_hostname in groups[cacert_clients_group]
   block:
     - name: CA and cert | Check if dest dir exist on remote host in group
       file:

tasks/cn_certs.yaml

@@ -1,23 +1,23 @@
 - name: CA and certs | Generate CN certs and keys
   when: inventory_hostname in groups[cacert_ca_group]
   block:
-    - name: Generate an OpenSSL private client key with the default values (4096 bits, RSA)
+    - name: Generate an OpenSSL private client key {{ item.name }} with the default values (4096 bits, RSA)
       community.crypto.openssl_privatekey:
         path: "{{ cacert_ssl_gen_path }}/{{ item.name }}.key"
       when: cacert_cert is not defined
       register: cacert_client_key_gen
 
-    - name: Generate subject_alt_ips
+    - name: Generate subject_alt_ips for {{ item.name }}
       set_fact:
         client_subject_alt_ips: "{{ item.subject_alt_ips | map('regex_replace', '^', 'IP:') | list }}"
       when: item.subject_alt_ips is defined
 
-    - name: Generate subject_alt_names
+    - name: Generate subject_alt_names for {{ item.name }} 
       set_fact:
         client_subject_alt_names: "{{ item.subject_alt_names | map('regex_replace', '^', 'DNS:') | list }}"
       when: item.subject_alt_names is defined
 
-    - name: Generate an OpenSSL Certificate Signing Request for client
+    - name: Generate an OpenSSL Certificate Signing Request for client {{ item.name }}
       community.crypto.openssl_csr:
         path: "{{ cacert_ssl_gen_path }}/{{ item.name }}.csr"
         privatekey_path: "{{ cacert_ssl_gen_path }}/{{ item.name }}.key"
@@ -27,7 +27,7 @@
         - item.subject_alt_names is not defined 
         - item.subject_alt_ips is not defined
 
-    - name: Generate an OpenSSL Certificate Signing Request for client with subject_alt_name
+    - name: Generate an OpenSSL Certificate Signing Request for client {{ item.name }} with subject_alt_name
       community.crypto.openssl_csr:
         path: "{{ cacert_ssl_gen_path }}/{{ item.name }}.csr"
         privatekey_path: "{{ cacert_ssl_gen_path }}/{{ item.name }}.key"
@@ -36,7 +36,7 @@
       register: cacert_client_csr
       when: item.subject_alt_names is defined or item.subject_alt_ips is defined
 
-    - name: Generate an OpenSSL certificate for client signed with your own CA certificate
+    - name: Generate an OpenSSL certificate for client {{ item.name }} signed with your own CA certificate
       community.crypto.x509_certificate:
         path: "{{ cacert_ssl_gen_path }}/{{ item.name }}.crt"
         csr_path: "{{ cacert_ssl_gen_path }}/{{ item.name }}.csr"
@@ -56,40 +56,41 @@
         content: "{{ concated_crt_key.stdout }}"
         dest: "{{ cacert_ssl_gen_path }}/{{ item.name }}.pem"
 
-    - name: Get CN key content
+    - name: Get CN key {{ item.name }} content
       slurp:
         src: "{{ cacert_ssl_gen_path }}/{{ item.name }}.key"
       register: cacert_cn_certs_key_b64
 
-    - name: Get CN cert content
+    - name: Get CN cert {{ item.name }} content
       slurp:
         src: "{{ cacert_ssl_gen_path }}/{{ item.name }}.crt"
       register: cacert_cn_certs_cert_b64
 
-    - name: Get CN cert and key concat content
+    - name: Get CN cert and key concat {{ item.name }} content
       slurp:
         src: "{{ cacert_ssl_gen_path }}/{{ item.name }}.pem"
       register: cacert_cn_certs_concat_b64
 
-    - name: Set facts about key and cert
+    - name: Set facts about {{ item.name }} key and cert
       set_fact:
         cacert_cn_certs_key: "{{ cacert_cn_certs_key_b64.content | b64decode }}"
         cacert_cn_certs_cert: "{{ cacert_cn_certs_cert_b64.content | b64decode }}"
         cacert_cn_certs_concat: "{{ cacert_cn_certs_concat_b64.content | b64decode }}"
       delegate_to: "{{ fact_item }}"
       delegate_facts: true
-      run_once: true
       with_items:
         - "{{ groups[cacert_ca_group] | default([]) }}"
         - "{{ groups[cacert_clients_group] | default([]) }}"
       loop_control:
         loop_var: fact_item
 
-- name: Distribute CN certificates
+- name: Distribute CN certificates to hosts
   become: true
-  when: inventory_hostname in groups[cacert_clients_group]
+  when:
+    - item.hosts is defined
+    - inventory_hostname in groups[cacert_clients_group]
   block:
-    - name: CA and cert | Check if dest dir exist on remote hosts
+    - name: CA and cert | Check if dest dir exist on remote host
       file:
         name: "{{ host_item.path }}"
         state: directory
@@ -99,7 +100,46 @@
       when:
         - inventory_hostname == host_item.host
 
-    - name: CA and cert | Check if dest dir exist on remote hosts for groups
+    - name: Put CN key {{ item.name }} for host
+      copy:
+        content: "{{ cacert_cn_certs_key }}"
+        dest: "{{ host_item.path }}/{{ host_item.name | default(item.name) }}.key"
+      loop: "{{ item.hosts }}"
+      loop_control:
+        loop_var: host_item
+      when:
+        - host_item.concat is not defined
+        - inventory_hostname == host_item.host
+
+    - name: Put CN cert {{ item.name }} for host
+      copy:
+        content: "{{ cacert_cn_certs_cert }}"
+        dest: "{{ host_item.path }}/{{ host_item.name | default(item.name) }}.crt"
+      loop: "{{ item.hosts }}"
+      loop_control:
+        loop_var: host_item
+      when:
+        - host_item.concat is not defined
+        - inventory_hostname == host_item.host
+
+    - name: Put CN key and cert concat {{ item.name }} for host
+      copy:
+        content: "{{ cacert_cn_certs_concat }}"
+        dest: "{{ host_item.path }}/{{ host_item.name | default(item.name) }}.{{ host_item.concat | default('pem') }}"
+      loop: "{{ item.hosts }}"
+      loop_control:
+        loop_var: host_item
+      when:
+        - host_item.concat is defined
+        - inventory_hostname == host_item.host
+
+- name: Distribute CN certificates to groups
+  become: true
+  when:
+    - item.groups is defined
+    - inventory_hostname in groups[cacert_clients_group]
+  block:
+    - name: CA and cert | Check if dest dir exist on remote host for groups
       file:
         name: "{{ group_item.path }}"
         state: directory
@@ -109,37 +149,7 @@
       when:
         - "inventory_hostname in (groups[group_item.group] | map('extract', hostvars, ['inventory_hostname']) | join(','))"
 
-    - name: Put CN key for host
+    - name: Put CN key {{ item.name }} for group
-      copy:
-        content: "{{ cacert_cn_certs_key }}"
-        dest: "{{ host_item.path }}/{{ host_item.name | default(item.name) }}.key"
-      loop: "{{ item.hosts }}"
-      loop_control:
-        loop_var: host_item
-      when:
-        - inventory_hostname == host_item.host
-
-    - name: Put CN cert for host
-      copy:
-        content: "{{ cacert_cn_certs_cert }}"
-        dest: "{{ host_item.path }}/{{ host_item.name | default(item.name) }}.crt"
-      loop: "{{ item.hosts }}"
-      loop_control:
-        loop_var: host_item
-      when:
-        - inventory_hostname == host_item.host
-
-    - name: Put CN key and cert concat for host
-      copy:
-        content: "{{ cacert_cn_certs_concat }}"
-        dest: "{{ host_item.path }}/{{ host_item.name | default(item.name) }}.{{ host_item.concat | default('pem') }}"
-      loop: "{{ item.hosts }}"
-      loop_control:
-        loop_var: host_item
-      when:
-        - inventory_hostname == host_item.host
-
-    - name: Put CN key for group
       copy:
         content: "{{ cacert_cn_certs_key }}"
         dest: "{{ group_item.path }}/{{ group_item.name | default(item.name) }}.key"
@@ -147,9 +157,10 @@
       loop_control:
         loop_var: group_item
       when:
+        - group_item.concat is not defined
         - "inventory_hostname in (groups[group_item.group] | map('extract', hostvars, ['inventory_hostname']) | join(','))"
 
-    - name: Put CN cert for group
+    - name: Put CN cert {{ item.name }} for group
       copy:
         content: "{{ cacert_cn_certs_cert }}"
         dest: "{{ group_item.path }}/{{ group_item.name | default(item.name) }}.crt"
@@ -157,9 +168,10 @@
       loop_control:
         loop_var: group_item
       when:
+        - group_item.concat is not defined
         - "inventory_hostname in (groups[group_item.group] | map('extract', hostvars, ['inventory_hostname']) | join(','))"
 
-    - name: Put CN key and cert concat for group
+    - name: Put CN key and cert concat {{ item.name }} for group
       copy:
         content: "{{ cacert_cn_certs_concat }}"
         dest: "{{ group_item.path }}/{{ group_item.name | default(item.name) }}.{{ group_item.concat | default('pem') }}"
@@ -167,4 +179,5 @@
       loop_control:
         loop_var: group_item
       when:
+        - group_item.concat is defined
         - "inventory_hostname in (groups[group_item.group] | map('extract', hostvars, ['inventory_hostname']) | join(','))"

tasks/group_certs.yaml

@@ -1,7 +1,8 @@
 - name: CA and certs | Generate group certs and keys
-  when: inventory_hostname in groups[cacert_ca_group]
+  when: 
+    - inventory_hostname in groups[cacert_ca_group]
   block:
-    - name: Generate subject_alt_ips
+    - name: Generate subject_alt_ips for {{ item.name }}
       set_fact:
         client_subject_alt_ips: "{{ groups[group_item] | map('extract', hostvars, ['ansible_host']) | map('regex_replace', '^', 'IP:') | list }}"
       loop: "{{ item.append_groups }}"
@@ -13,7 +14,7 @@
     - debug:
         msg: "{{ client_subject_alt_ips }}"
 
-    - name: Generate subject_alt_names
+    - name: Generate subject_alt_names for {{ item.name }}
       set_fact:
         client_subject_alt_names: "{{ groups[group_item] | map('extract', hostvars, ['inventory_hostname']) | map('regex_replace', '^', 'DNS:') | list }}"
       loop: "{{ item.append_groups }}"
@@ -25,12 +26,12 @@
     - debug:
         msg: "{{ client_subject_alt_names }}"
 
-    - name: Generate an OpenSSL private client key with the default values (4096 bits, RSA)
+    - name: Generate an OpenSSL private client {{ item.name }} key with the default values (4096 bits, RSA)
       community.crypto.openssl_privatekey:
         path: "{{ cacert_ssl_gen_path }}/{{ item.name }}.key"
       register: cacert_client_key_gen
 
-    - name: Generate an OpenSSL Certificate Signing Request for client with subject_alt_name
+    - name: Generate an OpenSSL Certificate Signing Request for client {{ item.name }} with subject_alt_name
       community.crypto.openssl_csr:
         path: "{{ cacert_ssl_gen_path }}/{{ item.name }}.csr"
         privatekey_path: "{{ cacert_ssl_gen_path }}/{{ item.name }}.key"
@@ -38,7 +39,7 @@
         subject_alt_name: "{{ ((client_subject_alt_ips | default([])) + (client_subject_alt_names | default([]))) }}"
       register: cacert_client_csr
 
-    - name: Generate an OpenSSL certificate for client signed with your own CA certificate
+    - name: Generate an OpenSSL certificate for client {{ item.name }} signed with your own CA certificate
       community.crypto.x509_certificate:
         path: "{{ cacert_ssl_gen_path }}/{{ item.name }}.crt"
         csr_path: "{{ cacert_ssl_gen_path }}/{{ item.name }}.csr"
@@ -58,38 +59,39 @@
         content: "{{ concated_crt_key.stdout }}"
         dest: "{{ cacert_ssl_gen_path }}/{{ item.name }}.pem"
 
-    - name: Get group key content
+    - name: Get group key {{ item.name }} content
       slurp:
         src: "{{ cacert_ssl_gen_path }}/{{ item.name }}.key"
       register: cacert_group_certs_key_b64
 
-    - name: Get group cert content
+    - name: Get group cert {{ item.name }} content
       slurp:
         src: "{{ cacert_ssl_gen_path }}/{{ item.name }}.crt"
       register: cacert_group_certs_cert_b64
 
-    - name: Get group cert and key concat content
+    - name: Get group cert and key concat {{ item.name }} content
       slurp:
         src: "{{ cacert_ssl_gen_path }}/{{ item.name }}.pem"
       register: cacert_group_certs_concat_b64
 
-    - name: Set facts about key and cert
+    - name: Set facts about {{ item.name }} key and cert
       set_fact:
         cacert_group_certs_key: "{{ cacert_group_certs_key_b64.content | b64decode }}"
         cacert_group_certs_cert: "{{ cacert_group_certs_cert_b64.content | b64decode }}"
         cacert_group_certs_concat: "{{ cacert_group_certs_concat_b64.content | b64decode }}"
       delegate_to: "{{ fact_item }}"
       delegate_facts: true
-      run_once: true
       with_items:
         - "{{ groups[cacert_ca_group] | default([]) }}"
         - "{{ groups[cacert_clients_group] | default([]) }}"
       loop_control:
         loop_var: fact_item
 
-- name: Distribute group certificates
+- name: Distribute group certificates for hosts
   become: true
-  when: inventory_hostname in groups[cacert_clients_group]
+  when: 
+    - item.hosts is defined
+    - inventory_hostname in groups[cacert_clients_group]
   block:
     - name: CA and cert | Check if dest dir exist on remote host
       file:
@@ -101,6 +103,45 @@
       when:
         - inventory_hostname == host_item.host
 
+    - name: Put group key {{ item.name }} for host
+      copy:
+        content: "{{ cacert_group_certs_key }}"
+        dest: "{{ host_item.path }}/{{ host_item.name | default(item.name) }}.key"
+      loop: "{{ item.hosts }}"
+      loop_control:
+        loop_var: host_item
+      when:
+        - host_item.concat is not defined
+        - inventory_hostname == host_item.host
+
+    - name: Put group cert {{ item.name }} for host
+      copy:
+        content: "{{ cacert_group_certs_cert }}"
+        dest: "{{ host_item.path }}/{{ host_item.name | default(item.name) }}.crt"
+      loop: "{{ item.hosts }}"
+      loop_control:
+        loop_var: host_item
+      when:
+        - host_item.concat is not defined
+        - inventory_hostname == host_item.host
+
+    - name: Put group key and cert concat {{ item.name }} for host
+      copy:
+        content: "{{ cacert_group_certs_concat }}"
+        dest: "{{ host_item.path }}/{{ host_item.name | default(item.name) }}.{{ host_item.concat | default('pem') }}"
+      loop: "{{ item.hosts }}"
+      loop_control:
+        loop_var: host_item
+      when:
+        - host_item.concat is defined
+        - inventory_hostname == host_item.host
+
+- name: Distribute group certificates for groups
+  become: true
+  when: 
+    - item.groups is defined
+    - inventory_hostname in groups[cacert_clients_group]
+  block:
     - name: CA and cert | Check if dest dir exist on remote host for group
       file:
         name: "{{ group_item.path }}"
@@ -111,37 +152,7 @@
       when:
         - "inventory_hostname in (groups[group_item.group] | map('extract', hostvars, ['inventory_hostname']) | join(','))"
 
-    - name: Put group key for host
+    - name: Put group key {{ item.name }} for group
-      copy:
-        content: "{{ cacert_group_certs_key }}"
-        dest: "{{ host_item.path }}/{{ host_item.name | default(item.name) }}.key"
-      loop: "{{ item.hosts }}"
-      loop_control:
-        loop_var: host_item
-      when:
-        - inventory_hostname == host_item.host
-
-    - name: Put group cert for host
-      copy:
-        content: "{{ cacert_group_certs_cert }}"
-        dest: "{{ host_item.path }}/{{ host_item.name | default(item.name) }}.crt"
-      loop: "{{ item.hosts }}"
-      loop_control:
-        loop_var: host_item
-      when:
-        - inventory_hostname == host_item.host
-
-    - name: Put group key and cert concat for host
-      copy:
-        content: "{{ cacert_group_certs_concat }}"
-        dest: "{{ host_item.path }}/{{ host_item.name | default(item.name) }}.{{ host_item.concat | default('pem') }}"
-      loop: "{{ item.hosts }}"
-      loop_control:
-        loop_var: host_item
-      when:
-        - inventory_hostname == host_item.host
-
-    - name: Put group key for group
       copy:
         content: "{{ cacert_group_certs_key }}"
         dest: "{{ group_item.path }}/{{ group_item.name | default(item.name) }}.key"
@@ -149,9 +160,10 @@
       loop_control:
         loop_var: group_item
       when:
+        - group_item.concat is not defined
         - "inventory_hostname in (groups[group_item.group] | map('extract', hostvars, ['inventory_hostname']) | join(','))"
 
-    - name: Put group cert for group
+    - name: Put group cert {{ item.name }} for group
       copy:
         content: "{{ cacert_group_certs_cert }}"
         dest: "{{ group_item.path }}/{{ group_item.name | default(item.name) }}.crt"
@@ -159,9 +171,10 @@
       loop_control:
         loop_var: group_item
       when:
+        - group_item.concat is not defined
         - "inventory_hostname in (groups[group_item.group] | map('extract', hostvars, ['inventory_hostname']) | join(','))"
 
-    - name: Put group key and cert concat for group
+    - name: Put group key and cert concat {{ item.name }} for group
       copy:
         content: "{{ cacert_group_certs_concat }}"
         dest: "{{ group_item.path }}/{{ group_item.name | default(item.name) }}.{{ group_item.concat | default('pem') }}"
@@ -169,5 +182,6 @@
       loop_control:
         loop_var: group_item
       when:
+        - group_item.concat is defined
         - "inventory_hostname in (groups[group_item.group] | map('extract', hostvars, ['inventory_hostname']) | join(','))"
 

tasks/main.yaml

@@ -1,21 +1,23 @@
-- name: CA and certs | Check if ssl gen dir exist
-  file: 
-    name: "{{ cacert_ssl_gen_path }}"
-    state: directory
-  when: 
-    - inventory_hostname in groups[cacert_ca_group]
-
 - name: CA and certs | Include CA
   include_tasks: ca.yaml
 
 - name: CA and certs | Include CN certs
   include_tasks: cn_certs.yaml
   loop: "{{ cacert_cn_certs }}"
-  when: 
+  when:
     - cacert_cn_certs is defined
 
 - name: CA and certs | Include group certs
   include_tasks: group_certs.yaml
   loop: "{{ cacert_group_certs }}"
-  when: 
+  when:
     - cacert_group_certs is defined
+
+- name: CA and certs | Include per host certs for group
+  include_tasks: per_host_for_group_certs.yaml
+  loop: "{{ cacert_per_host_certs.groups }}"
+  loop_control:
+    loop_var: per_host_for_group_item
+  when:
+    - cacert_per_host_certs.groups is defined
+

tasks/per_host_for_group_certs.yaml

@@ -0,0 +1,37 @@
+- name: Construct facts for hosts from group {{ groups[item.group] }}
+  when: inventory_hostname in groups[cacert_ca_group]
+  block:
+    - name: Load cacert variables for Koji
+      include_vars: "{{ lookup('ansible.builtin.first_found', params) }}"
+      vars:
+        params:
+          files:
+            - "cacert.yaml"
+          paths:
+            - "vars"
+    
+    - name: Construct facts for hosts from group {{ groups[item.group] }}
+      set_fact:
+        iter_hosts: "{{ temp_hosts }}"
+      vars:
+        temp_hosts: >-
+          [{%- for host in groups[per_host_for_group_item.group] -%}
+          {"name": "{{ host }}", "hosts": [{"host": "{{ host }}", "path": "{{ per_host_for_group_item.path }}"{{ ',"concat": "' ~ per_host_for_group_item.concat ~ '"' if per_host_for_group_item.concat }}  }{{ "" if loop.last else "," }}]}
+          {%- endfor -%}]
+      delegate_to: "{{ per_host_for_group_fact_item }}"
+      delegate_facts: true
+      with_items:
+        - "{{ groups[cacert_ca_group] | default([]) }}"
+        - "{{ groups[cacert_clients_group] | default([]) }}"
+      loop_control:
+        loop_var: per_host_for_group_fact_item
+
+    - debug:
+       msg: "{{ iter_hosts }}"
+    
+- name: Create certificate for hosts in {{cn_group_item.group }}
+  when: inventory_hostname in groups[cacert_clients_group]
+  block:
+    - name: Test
+      include_tasks: cn_certs.yaml 
+      loop: "{{ iter_hosts }}"