Configure temporary access to the Keycloak admin interface as long as he_pause_host is set to true

roles/hosted_engine_setup/files/keycloak_he_pause_host.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+# This file is a part of the hosted-engine deployment process
+# The goal is to add a temporary URI to the ovirt-engine-internal client, and return the original value on the second pass.
+
+# KEYCLOAK_URL get from ENV: "https://{{ he_fqdn }}/ovirt-engine-auth"
+# HOST_FQDN get from ENV: "{{ he_host_name }}"
+# PASSWORD get from ENV: "{{ he_admin_password }}"
+
+KEYCLOAK_REALM=ovirt-internal
+KEYCLOAK_CLIENT_ID=ovirt-engine-internal
+USERNAME="admin"
+REDIRECT_URIS_TMPFILE=/tmp/keycloak_redirect_uris.tmp
+
+TKN=$(curl --insecure --silent -X POST "${KEYCLOAK_URL}/realms/master/protocol/openid-connect/token" \
+	--header "content-type: application/x-www-form-urlencoded" \
+	--data-urlencode "client_id=admin-cli" \
+	--data-urlencode "username=${USERNAME}" \
+	--data-urlencode "password=${PASSWORD}" \
+	--data-urlencode "grant_type=password" | jq --raw-output '.access_token' )
+
+CLIENT_DATA=$(curl --insecure --silent -X GET "${KEYCLOAK_URL}/admin/realms/${KEYCLOAK_REALM}/clients?clientId=${KEYCLOAK_CLIENT_ID}" \
+	--header "Accept: application/json" \
+	--header "Authorization: Bearer $TKN")
+
+CLIENT_ID=$(echo $CLIENT_DATA | jq -r '.[0].id')
+
+if [ -f "$REDIRECT_URIS_TMPFILE" ]; then
+	# Second pass
+	# Restore original redirectUris parameters
+	NEW_URI=$(<$REDIRECT_URIS_TMPFILE)
+	UPDATED_CLIENT_DATA=$(echo $CLIENT_DATA | jq --argjson new_uri "$NEW_URI" '.[0] | .redirectUris = $new_uri')
+	rm -rf $REDIRECT_URIS_TMPFILE
+else
+	# First pass
+	# Save original redirectUris parameters
+	REDIRECT_URIS=$(echo $CLIENT_DATA | jq -r '.[0].redirectUris')
+	echo "$REDIRECT_URIS" > $REDIRECT_URIS_TMPFILE
+
+	# Add a temporary URI to redirectUris
+	NEW_URI="https://${HOST_FQDN}:6900*"
+	UPDATED_CLIENT_DATA=$(echo $CLIENT_DATA | jq --arg new_uri "$NEW_URI" '.[0] | .redirectUris += [$new_uri]')
+fi
+
+# Update client data
+curl --insecure --silent --http1.0 -X PUT "${KEYCLOAK_URL}/admin/realms/${KEYCLOAK_REALM}/clients/${CLIENT_ID}" \
+  --header "Authorization: Bearer $TKN" \
+  --header "Content-Type: application/json" \
+  --data-raw "$UPDATED_CLIENT_DATA"

roles/hosted_engine_setup/tasks/bootstrap_local_vm/05_add_host.yml

@@ -121,6 +121,13 @@
       loop_control:
         loop_var: after_add_host_item
       register: include_after_add_host_results
+    - name: Configure the Keycloak to be accessed over the first host
+      block:
+        - include_tasks: ../keycloak_config_for_he_pause_host.yml
+      when:
+        - he_pause_host|bool
+        - he_enable_keycloak|bool
+      delegate_to: "{{ groups.engine[0] }}"
     - name: Pause the execution to let the user interactively reconfigure the host
       block:
         - name: Let the user connect to the bootstrap engine VM to manually fix host configuration
@@ -130,6 +137,13 @@
               eventually remediate it, please continue only when the host is listed as 'up'
         - include_tasks: ../pause_execution.yml
       when: he_pause_host|bool
+    - name: Configure the Keycloak to be accessed over the Engine FQDN
+      block:
+        - include_tasks: ../keycloak_restore_after_he_pause_host.yml
+      when:
+        - he_pause_host|bool
+        - he_enable_keycloak|bool
+      delegate_to: "{{ groups.engine[0] }}"
     # refresh the auth token after a long operation to avoid having it expired
     - include_tasks: ../auth_revoke.yml
     - include_tasks: ../auth_sso.yml

roles/hosted_engine_setup/tasks/keycloak_config_for_he_pause_host.yml

@@ -0,0 +1,40 @@
+---
+- name: Configure Apache
+  block:
+    - name: Replace OIDCProviderMetadataURL value
+      ansible.builtin.replace:
+        path: /etc/httpd/conf.d/internalsso-openidc.conf
+        regexp: '(^\s+OIDCProviderMetadataURL https:\/\/).+(\/ovirt-engine.*)'
+        replace: '\g<1>{{ he_host_address }}:6900\g<2>'
+    - name: Replace OIDCRedirectURI value
+      ansible.builtin.replace:
+        path: /etc/httpd/conf.d/internalsso-openidc.conf
+        regexp: '(^\s+OIDCRedirectURI https:\/\/).+(\/ovirt-engine.*)'
+        replace: '\g<1>{{ he_host_address }}:6900\g<2>'
+    - name: Replace OIDCDefaultURL value
+      ansible.builtin.replace:
+        path: /etc/httpd/conf.d/internalsso-openidc.conf
+        regexp: '(^\s+OIDCDefaultURL https:\/\/).+(\/ovirt-engine.*)'
+        replace: '\g<1>{{ he_host_address }}:6900\g<2>'
+    - name: Replace OIDCOAuthIntrospectionEndpoint value
+      ansible.builtin.replace:
+        path: /etc/httpd/conf.d/internalsso-openidc.conf
+        regexp: '(^\s+OIDCOAuthIntrospectionEndpoint https:\/\/).+(\/ovirt-engine.*)'
+        replace: '\g<1>{{ he_host_address }}:6900\g<2>'
+- name: Configure Keycloak
+  block:
+    - name: Copy keycloak_he_pause_host.sh
+      ansible.builtin.copy:
+        src: /usr/share/ansible/collections/ansible_collections/ovirt/ovirt/roles/hosted_engine_setup/files/keycloak_he_pause_host.sh
+        dest: /tmp/keycloak_he_pause_host.sh
+        mode: '0644'
+    - name: Run keycloak_he_pause_host.sh
+      shell: /bin/bash /tmp/keycloak_he_pause_host.sh
+      environment:
+        KEYCLOAK_URL: "https://{{ he_fqdn }}/ovirt-engine-auth"
+        HOST_FQDN: "{{ he_host_name }}"
+        PASSWORD: "{{ he_admin_password }}"
+- name: Restart httpd service
+  ansible.builtin.service:
+    name: httpd
+    state: restarted

roles/hosted_engine_setup/tasks/keycloak_restore_after_he_pause_host.yml

@@ -0,0 +1,40 @@
+---
+- name: Configure Apache
+  block:
+    - name: Restore original OIDCProviderMetadataURL value
+      ansible.builtin.replace:
+        path: /etc/httpd/conf.d/internalsso-openidc.conf
+        regexp: '(^\s+OIDCProviderMetadataURL https:\/\/).+(\/ovirt-engine.*)'
+        replace: '\g<1>{{ he_fqdn }}\g<2>'
+    - name: Restore original OIDCRedirectURI value
+      ansible.builtin.replace:
+        path: /etc/httpd/conf.d/internalsso-openidc.conf
+        regexp: '(^\s+OIDCRedirectURI https:\/\/).+(\/ovirt-engine.*)'
+        replace: '\g<1>{{ he_fqdn }}\g<2>'
+    - name: Restore original OIDCDefaultURL value
+      ansible.builtin.replace:
+        path: /etc/httpd/conf.d/internalsso-openidc.conf
+        regexp: '(^\s+OIDCDefaultURL https:\/\/).+(\/ovirt-engine.*)'
+        replace: '\g<1>{{ he_fqdn }}\g<2>'
+    - name: Restore original OIDCOAuthIntrospectionEndpoint value
+      ansible.builtin.replace:
+        path: /etc/httpd/conf.d/internalsso-openidc.conf
+        regexp: '(^\s+OIDCOAuthIntrospectionEndpoint https:\/\/).+(\/ovirt-engine.*)'
+        replace: '\g<1>{{ he_fqdn }}\g<2>'
+- name: Configure Keycloak
+  block:
+    - name: Copy keycloak_he_pause_host.sh
+      ansible.builtin.copy:
+        src: /usr/share/ansible/collections/ansible_collections/ovirt/ovirt/roles/hosted_engine_setup/files/keycloak_he_pause_host.sh
+        dest: /tmp/keycloak_he_pause_host.sh
+        mode: '0644'
+    - name: Run keycloak_he_pause_host.sh
+      shell: /bin/bash /tmp/keycloak_he_pause_host.sh
+      environment:
+        KEYCLOAK_URL: "https://{{ he_fqdn }}/ovirt-engine-auth"
+        HOST_FQDN: "{{ he_host_name }}"
+        PASSWORD: "{{ he_admin_password }}"
+- name: Restart httpd service
+  ansible.builtin.service:
+    name: httpd
+    state: restarted