diff --git a/ansible/roles/elasticsearch/tasks/upgrade.yml b/ansible/roles/elasticsearch/tasks/upgrade.yml
index b51287d8ae..2559d6c8b8 100644
--- a/ansible/roles/elasticsearch/tasks/upgrade.yml
+++ b/ansible/roles/elasticsearch/tasks/upgrade.yml
@@ -3,6 +3,8 @@
 # https://www.elastic.co/guide/en/elasticsearch/reference/5.6/restart-upgrade.html
 - name: Disable shard allocation
   become: true
+  vars:
+    elasticsearch_shard_body: {"transient": {"cluster.routing.allocation.enable": "none"}}
   kolla_toolbox:
     module_name: uri
     module_args:
@@ -10,7 +12,7 @@
       method: PUT
       status_code: 200
       return_content: yes
-      body: {"transient": {"cluster.routing.allocation.enable": "none"}}
+      body: "{{ elasticsearch_shard_body | to_json }}"
       body_format: json
   delegate_to: "{{ groups['elasticsearch'][0] }}"
   run_once: true
diff --git a/ansible/roles/kibana/tasks/post_config.yml b/ansible/roles/kibana/tasks/post_config.yml
index b411aff45f..0d393b5f25 100644
--- a/ansible/roles/kibana/tasks/post_config.yml
+++ b/ansible/roles/kibana/tasks/post_config.yml
@@ -37,14 +37,16 @@
   run_once: true
 
 - name: Change kibana config to set index as defaultIndex
+  vars:
+    kibana_default_index_body:
+      defaultIndex: "{{ kibana_default_index_pattern }}"
   become: true
   kolla_toolbox:
     module_name: uri
     module_args:
       url: "{{ internal_protocol }}://{{ kolla_internal_fqdn | put_address_in_context('url') }}:{{ elasticsearch_port }}/.kibana/config/*"
       method: PUT
-      body:
-        defaultIndex: "{{ kibana_default_index_pattern }}"
+      body: "{{ kibana_default_index_body | to_json }}"
       body_format: json
       status_code: 200, 201
   run_once: true
diff --git a/ansible/roles/monasca/tasks/post_config.yml b/ansible/roles/monasca/tasks/post_config.yml
index 03c52a4109..99766035fd 100644
--- a/ansible/roles/monasca/tasks/post_config.yml
+++ b/ansible/roles/monasca/tasks/post_config.yml
@@ -32,6 +32,9 @@
 
 - name: Create default control plane organisation if it doesn't exist
   become: true
+  vars:
+    monasca_orgs_body:
+      name: '{{ monasca_grafana_control_plane_org }}'
   kolla_toolbox:
     module_name: uri
     module_args:
@@ -40,8 +43,7 @@
       user: '{{ monasca_grafana_admin_username }}'
       password: '{{ monasca_grafana_admin_password }}'
       body_format: json
-      body:
-        name: '{{ monasca_grafana_control_plane_org }}'
+      body: "{{ monasca_orgs_body | to_json }}"
       force_basic_auth: true
   run_once: True
   when: monasca_grafana_control_plane_org not in monasca_grafana_orgs.json|map(attribute='name')|unique
@@ -61,6 +63,10 @@
   register: monasca_grafana_conf_org
 
 - name: Add {{ monasca_grafana_admin_username }} user to control plane organisation
+  vars:
+    monasca_user_body:
+      loginOrEmail: '{{ monasca_grafana_admin_username }}'
+      role: Admin
   become: true
   kolla_toolbox:
     module_name: uri
@@ -69,9 +75,7 @@
       url: "{{ internal_protocol }}://{{ kolla_internal_fqdn | put_address_in_context('url') }}:{{ monasca_grafana_server_port }}/api/orgs/{{ monasca_grafana_conf_org.json.id }}/users"
       user: '{{ monasca_grafana_admin_username }}'
       password: '{{ monasca_grafana_admin_password }}'
-      body:
-        loginOrEmail: '{{ monasca_grafana_admin_username }}'
-        role: Admin
+      body: "{{ monasca_user_body | to_json }}"
       force_basic_auth: true
       body_format: json
       status_code: 200, 409
diff --git a/releasenotes/notes/uri-json-body-46891dd478d2ad37.yaml b/releasenotes/notes/uri-json-body-46891dd478d2ad37.yaml
new file mode 100644
index 0000000000..e938587d40
--- /dev/null
+++ b/releasenotes/notes/uri-json-body-46891dd478d2ad37.yaml
@@ -0,0 +1,7 @@
+---
+fixes:
+  - |
+    Fixes an issue where Elasticsearch API requests made during Kibana,
+    Elasticsearch and Monasca deployment could have an invalid body. See `bug
+    1864177 <https://bugs.launchpad.net/kolla-ansible/+bug/1864177>`_ for
+    details.