diff --git a/app/playbooks/create.d/install-repos/create.yml b/app/playbooks/create.d/install-repos/create.yml
index 2cc848a..e3a9461 100755
--- a/app/playbooks/create.d/install-repos/create.yml
+++ b/app/playbooks/create.d/install-repos/create.yml
@@ -38,6 +38,10 @@
       rhcos_images_initramfs: "{{ lookup('ini', 'initramfs section=cluster file=/app/versions.ini') }}"
       rhcos_images_rootfs: "{{ lookup('ini', 'rootfs section=cluster file=/app/versions.ini')  }}"
       rhcos_images_image: "{{ lookup('ini', 'image section=cluster file=/app/versions.ini')  }}"
+      rhcos_images_http_proxy: "{{ proxy_http }}"
+      rhcos_images_https_proxy: "{{ proxy_https }}"
+      rhcos_images_noproxy: "{{ proxy_noproxy }}"
+      rhcos_images_https_validate: "{{ proxy_ca == '' }}"
 
 - name: create pxelinux kickstart files
   hosts: cluster
diff --git a/app/roles/openshift-installer/tasks/main.yml b/app/roles/openshift-installer/tasks/main.yml
index 3157156..baf71c2 100644
--- a/app/roles/openshift-installer/tasks/main.yml
+++ b/app/roles/openshift-installer/tasks/main.yml
@@ -10,6 +10,7 @@
     dest: "{{ openshift_installer_dir }}/openshift-installer.tar.gz"
     mode: 0644
     unsafe_writes: yes
+    validate_certs: "{{ openshift_installer_proxy_ca == '' }}"
   register: pkg_download
 
 - name: extract openshift installer
diff --git a/app/roles/rhcos-images/defaults/main.yml b/app/roles/rhcos-images/defaults/main.yml
index 7a7a1e9..7ce25c9 100644
--- a/app/roles/rhcos-images/defaults/main.yml
+++ b/app/roles/rhcos-images/defaults/main.yml
@@ -7,3 +7,7 @@ rhcos_images_image: ""
 rhcos_images_bootstrap_ign: ""
 rhcos_images_master_ign: ""
 rhcos_images_worker_ign: ""
+rhcos_images_https_proxy: ""
+rhcos_images_http_proxy: ""
+rhcos_images_https_validate: True
+rhcos_images_noproxy: ""
diff --git a/app/roles/rhcos-images/tasks/main.yml b/app/roles/rhcos-images/tasks/main.yml
index 51078dd..86986d7 100644
--- a/app/roles/rhcos-images/tasks/main.yml
+++ b/app/roles/rhcos-images/tasks/main.yml
@@ -8,6 +8,11 @@
   uri:
     url: "{{ rhcos_images_repo }}/sha256sum.txt"
     return_content: yes
+    validate_certs: "{{ rhcos_images_https_validate }}"
+  environment:
+    HTTP_PROXY: "{{ rhcos_images_http_proxy }}"
+    HTTPS_PROXY: "{{ rhcos_images_https_proxy }}"
+    NO_PROXY: "{{ rhcos_images_noproxy }}"
   register: release_checksums
   changed_when: false
 
@@ -31,6 +36,11 @@
     dest: "{{ item.dest }}"
     checksum: "sha256:{{ item.checksum }}"
     mode: 0555
+    validate_certs: "{{ rhcos_images_https_validate }}"
+  environment:
+    HTTP_PROXY: "{{ rhcos_images_http_proxy }}"
+    HTTPS_PROXY: "{{ rhcos_images_https_proxy }}"
+    NO_PROXY: "{{ rhcos_images_noproxy }}"
   loop: "{{ download_images }}"
   loop_control:
     label: "{{ item.dest }}"