diff --git a/installations/updates/README.md b/installations/updates/README.md
new file mode 100644
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+++ b/installations/updates/README.md
@@ -0,0 +1,27 @@
+Apigee OPDK Installation of a Single Data Center
+================================================
+
+# Ansible Roles
+
+The following ansible roles will be installed with the requirements.yml file:
+
+* [opdk-setup-apigee-user](https://github.com/carlosfrias/apigee-opdk-setup-apigee-user)
+* [opdk-setup-os-common](https://github.com/carlosfrias/apigee-opdk-setup-os-common)
+* [opdk-setup-os-ds](https://github.com/carlosfrias/apigee-opdk-setup-os-ds)
+* [opdk-setup-os-minimum](https://github.com/carlosfrias/apigee-opdk-setup-os-minimum)
+* [opdk-setup-default-settings](https://github.com/carlosfrias/apigee-opdk-setup-default-settings)
+* [opdk-time-sync](https://github.com/carlosfrias/apigee-opdk-time-sync)
+* [opdk-setup-openjdk](https://github.com/carlosfrias/apigee-opdk-setup-openjdk)
+* [opdk-setup-bootstrap](https://github.com/carlosfrias/apigee-opdk-setup-bootstrap)
+* [opdk-setup-silent-installation-config](https://github.com/carlosfrias/apigee-opdk-setup-silent-installation-config)
+* [opdk-setup-component](https://github.com/carlosfrias/apigee-opdk-setup-component)
+* [opdk-setup-component-installer](https://github.com/carlosfrias/apigee-opdk-setup-component-installer)
+* [opdk-setup-selinux-disable](https://github.com/carlosfrias/apigee-opdk-setup-selinux-disable)
+* [opdk-shutdown-iptables](https://github.com/carlosfrias/apigee-opdk-shutdown-iptables)
+* [opdk-setup-org-config](https://github.com/carlosfrias/apigee-opdk-setup-org-config)
+* [opdk-setup-org](https://github.com/carlosfrias/apigee-opdk-setup-org)
+* [opdk-setup-validate](https://github.com/carlosfrias/apigee-opdk-setup-validate)
+* [opdk-setup-validate-cleanup](https://github.com/carlosfrias/apigee-opdk-setup-validate-cleanup)
+* [opdk-setup-apigee-log-files](https://github.com/carlosfrias/apigee-opdk-setup-apigee-log-files)
+* [fetch-files](https://github.com/carlosfrias/apigee-fetch-files)
+
diff --git a/installations/updates/clean.yml b/installations/updates/clean.yml
new file mode 100644
index 0000000..2419405
--- /dev/null
+++ b/installations/updates/clean.yml
@@ -0,0 +1,18 @@
+---
+- hosts: localhost
+  connection: local
+  tasks:
+  - name: Clean files
+    async: 0
+    poll: 0
+    ignore_errors: yes
+    file:
+      path: '{{ item }}'
+      state: absent
+    with_items:
+    - '~/.ansible/tmp/cache'
+    - '~/.ansible/tmp/ansible.log'
+    - '~/.apigee/ssh_keys'
+    - '~/.apigee/logs'
+    - '~/.apigee/configs'
+
diff --git a/installations/updates/components/opdk-update-component.yml b/installations/updates/components/opdk-update-component.yml
new file mode 100644
index 0000000..4ba2805
--- /dev/null
+++ b/installations/updates/components/opdk-update-component.yml
@@ -0,0 +1 @@
+--
diff --git a/installations/updates/configuration/update_cache.yml b/installations/updates/configuration/update_cache.yml
new file mode 100644
index 0000000..6404ede
--- /dev/null
+++ b/installations/updates/configuration/update_cache.yml
@@ -0,0 +1,11 @@
+---
+- hosts: planet
+
+  pre_tasks:
+  - setup:
+  - ec2_facts:
+    when: "{{ ansible_bios_version | lower | search('amazon') }}"
+
+  roles:
+  - apigee-opdk-setup-default-settings
+
diff --git a/installations/updates/requirements.yml b/installations/updates/requirements.yml
new file mode 100644
index 0000000..371139b
--- /dev/null
+++ b/installations/updates/requirements.yml
@@ -0,0 +1,72 @@
+---
+- src: https://github.com/carlosfrias/apigee-opdk-setup-apigee-user
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-os-common
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-os-limits
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-os-minimum
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-default-settings
+
+- src: https://github.com/carlosfrias/apigee-opdk-time-sync
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-openjdk
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-bootstrap
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-silent-installation-config
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-component
+
+- src: https://github.com/carlosfrias/apigee-opdk-set-reachable
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-component-installer
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-selinux-disable
+
+- src: https://github.com/carlosfrias/apigee-opdk-shutdown-iptables
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-org-config
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-org
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-validate
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-validate-cleanup
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-apigee-log-files
+
+- src: https://github.com/carlosfrias/apigee-fetch-files
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-postgres-config
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-postgres-master
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-postgres-standby
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-os-postgres
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-status
+
+- src: https://github.com/carlosfrias/apigee-opdk-setup-bootstrap-rollback
+
+- src: https://github.com/carlosfrias/apigee-internal-port-connectivity-validator-mp
+
+- src: https://github.com/carlosfrias/apigee-internal-port-connectivity-validator-ldap
+
+- src: https://github.com/carlosfrias/apigee-internal-port-connectivity-validator-cassandra
+
+- src: https://github.com/carlosfrias/apigee-internal-port-connectivity-validator-zookeeper
+
+- src: https://github.com/carlosfrias/apigee-internal-port-connectivity-validator-ms
+
+- src: https://github.com/carlosfrias/apigee-internal-port-connectivity-validator-postgres
+
+- src: https://github.com/carlosfrias/apigee-internal-port-connectivity-validator-router
+
+- src: https://github.com/carlosfrias/apigee-internal-port-connectivity-validator-qpid
+
+- src: https://github.com/carlosfrias/apigee-internal-port-connectivity-validator-ui
+
+- src: https://github.com/carlosfrias/apigee-opdk-enable-swap
diff --git a/installations/updates/resources/postgresql.properties.j2 b/installations/updates/resources/postgresql.properties.j2
new file mode 100644
index 0000000..835e8c8
--- /dev/null
+++ b/installations/updates/resources/postgresql.properties.j2
@@ -0,0 +1 @@
+conf_pg_hba_replication.connection=host replication apigee {{ groups['dc-1-pgstandby'][0] }}/32 trust\ \nhost replication apigee {{ groups['dc-1-pgstandby'][1] }}/32 trust
\ No newline at end of file
diff --git a/installations/updates/update.yml b/installations/updates/update.yml
new file mode 100644
index 0000000..059e7cb
--- /dev/null
+++ b/installations/updates/update.yml
@@ -0,0 +1,35 @@
+---
+- include: configuration/update_cache.yml
+
+- include: configuration/load-opdk-credentials.yml
+  vars:
+    hosts: 'planet'
+  tags:
+  - credentials
+
+- hosts: planet
+  roles:
+  - apigee-opdk-start-components
+
+- hosts: pgmaster[0]
+
+  roles:
+  - apigee-opdk-setup-default-settings
+
+  tasks:
+  - name: Configure new standby node
+    template:
+      src: resources/postgresql.properties.j2
+      dest: '{{ apigee_installation_home }}/customer/application/postgresql.properties'
+
+  - name: Restarting pgmaster to begin replicating to the extra standby
+    shell: '{{ apigee_service }} apigee-postgresql restart'
+
+  - name: Verify that pg_hba.conf reflects both standby servers
+    shell: 'cat {{ apigee_installation_home }}/apigee-postgresql/conf/pg_hba.conf'
+
+  - name: Pause and view pg_hba.conf rendered above
+    pause:
+
+
+