updated to fix but with setting of observers

tasks/main.yml

diff --git a/tasks/main.yml b/tasks/main.yml
index 8f126db..25711d8 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -24,6 +24,8 @@
     group: '{{ opdk_group_name }}'
     mode: 0644
   when: provided_response_file is not defined or not provided_response_file
+  tags:
+  - no-silent-install
 
 - name: Copy provided silent-install file
   copy:
@@ -33,3 +35,5 @@
     group: '{{ opdk_group_name }}'
     mode: 0644
   when: provided_response_file is defined and provided_response_file
+  tags:
+  - no-silent-install

templates/silent-install.conf.j2

diff --git a/templates/silent-install.conf.j2 b/templates/silent-install.conf.j2
index c6d5fb8..80ed94d 100644
--- a/templates/silent-install.conf.j2
+++ b/templates/silent-install.conf.j2
@@ -28,7 +28,7 @@
 {% endif %}
 
 USE_ZK_CLUSTER={{ opdk_use_zk_cluster }}
-ZK_HOSTS="{% for host in groups['ds'] %}{{ hostvars[host][interface_name].ipv4.address }}{% if hostvars[host]['zk_observer'] is defined and hostvars[host]['zk_observer'] %}:observer{% endif %}{% if not loop.last %} {% endif %}{% endfor %}"
+ZK_HOSTS="{% for host in groups['ds'] %}{{ hostvars[host][interface_name].ipv4.address }}{% if hostvars[host]['zk_observer'] is defined and hostvars[host]['zk_observer'] == 'true' %}:observer{% endif %}{% if not loop.last %} {% endif %}{% endfor %}"
 
 {% if groups['dc-1'] is defined and inventory_hostname in groups['dc-1'] %}
 ZK_CLIENT_HOSTS="{% for host in groups['dc-1-ds'] %}{{ hostvars[host][interface_name].ipv4.address }}{% if not loop.last %} {% endif %}{% endfor %}"