Fix registry_auth logic for upgrades

Currently, the logic for registry authentication is
not implemented correctly to account for upgrades of
containerized hosts.

Additionally, the logic to account for multiple runs
of openshift-ansible might cause registry authentication
credentials to not be mounted inside of containerized hosts.

This commit adds the necessary logic to ensure containerized
hosts retain registry credentials.

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1494470

4 files changed, 48 insertions, 1 deletions

diff --git a/roles/openshift_node_upgrade/defaults/main.yml b/roles/openshift_node_upgrade/defaults/main.yml
index 3d8704308..6507b015d 100644
--- a/roles/openshift_node_upgrade/defaults/main.yml
+++ b/roles/openshift_node_upgrade/defaults/main.yml
@@ -4,3 +4,9 @@ os_sdn_network_plugin_name: "redhat/openshift-ovs-subnet"
 
 openshift_node_data_dir_default: "{{ openshift_data_dir | default('/var/lib/origin') }}"
 openshift_node_data_dir: "{{ openshift_node_data_dir_default }}"
+
+# oreg_url is defined by user input
+oreg_host: "{{ oreg_url.split('/')[0] if (oreg_url is defined and '.' in oreg_url.split('/')[0]) else '' }}"
+oreg_auth_credentials_path: "{{ openshift_node_data_dir }}/.docker"
+oreg_auth_credentials_replace: False
+l_bind_docker_reg_auth: False
diff --git a/roles/openshift_node_upgrade/tasks/main.yml b/roles/openshift_node_upgrade/tasks/main.yml
index e34319186..6bcf3072d 100644
--- a/roles/openshift_node_upgrade/tasks/main.yml
+++ b/roles/openshift_node_upgrade/tasks/main.yml
@@ -10,6 +10,8 @@
 
 # tasks file for openshift_node_upgrade
 
+- include: registry_auth.yml
+
 - name: Stop node and openvswitch services
   service:
     name: "{{ item }}"
diff --git a/roles/openshift_node_upgrade/tasks/registry_auth.yml b/roles/openshift_node_upgrade/tasks/registry_auth.yml
new file mode 100644
index 000000000..3d2831742
--- /dev/null
+++ b/roles/openshift_node_upgrade/tasks/registry_auth.yml
@@ -0,0 +1,24 @@
+---
+- name: Check for credentials file for registry auth
+  stat:
+    path: "{{ oreg_auth_credentials_path }}"
+  when: oreg_auth_user is defined
+  register: node_oreg_auth_credentials_stat
+
+- name: Create credentials for registry auth
+  command: "docker --config={{ oreg_auth_credentials_path }} login -u {{ oreg_auth_user }} -p {{ oreg_auth_password }} {{ oreg_host }}"
+  when:
+    - oreg_auth_user is defined
+    - (not node_oreg_auth_credentials_stat.stat.exists or oreg_auth_credentials_replace) | bool
+  register: node_oreg_auth_credentials_create
+  notify:
+    - restart node
+
+# Container images may need the registry credentials
+- name: Setup ro mount of /root/.docker for containerized hosts
+  set_fact:
+    l_bind_docker_reg_auth: True
+  when:
+    - openshift.common.is_containerized | bool
+    - oreg_auth_user is defined
+    - (node_oreg_auth_credentials_stat.stat.exists or oreg_auth_credentials_replace or oreg_auth_credentials_replace.changed) | bool
diff --git a/roles/openshift_node_upgrade/templates/openshift.docker.node.service b/roles/openshift_node_upgrade/templates/openshift.docker.node.service
index 451412ab0..864e4b5d6 100644
--- a/roles/openshift_node_upgrade/templates/openshift.docker.node.service
+++ b/roles/openshift_node_upgrade/templates/openshift.docker.node.service
@@ -21,7 +21,22 @@ EnvironmentFile=/etc/sysconfig/{{ openshift.common.service_type }}-node-dep
 ExecStartPre=-/usr/bin/docker rm -f {{ openshift.common.service_type }}-node
 ExecStartPre=/usr/bin/cp /etc/origin/node/node-dnsmasq.conf /etc/dnsmasq.d/
 ExecStartPre=/usr/bin/dbus-send --system --dest=uk.org.thekelleys.dnsmasq /uk/org/thekelleys/dnsmasq uk.org.thekelleys.SetDomainServers array:string:/in-addr.arpa/127.0.0.1,/{{ openshift.common.dns_domain }}/127.0.0.1
-ExecStart=/usr/bin/docker run --name {{ openshift.common.service_type }}-node --rm --privileged --net=host --pid=host --env-file=/etc/sysconfig/{{ openshift.common.service_type }}-node -v /:/rootfs:ro,rslave -e CONFIG_FILE=${CONFIG_FILE} -e OPTIONS=${OPTIONS} -e HOST=/rootfs -e HOST_ETC=/host-etc -v {{ openshift_node_data_dir }}:{{ openshift_node_data_dir }}{{ ':rslave' if openshift.docker.gte_1_10 | default(False) | bool else '' }} -v {{ openshift.common.config_base }}/node:{{ openshift.common.config_base }}/node {% if openshift_cloudprovider_kind | default('') != '' -%} -v {{ openshift.common.config_base }}/cloudprovider:{{ openshift.common.config_base}}/cloudprovider {% endif -%} -v /etc/localtime:/etc/localtime:ro -v /etc/machine-id:/etc/machine-id:ro -v /run:/run -v /sys:/sys:rw -v /sys/fs/cgroup:/sys/fs/cgroup:rw -v /usr/bin/docker:/usr/bin/docker:ro -v /var/lib/docker:/var/lib/docker -v /lib/modules:/lib/modules -v /etc/origin/openvswitch:/etc/openvswitch -v /etc/origin/sdn:/etc/openshift-sdn -v /var/lib/cni:/var/lib/cni -v /etc/systemd/system:/host-etc/systemd/system -v /var/log:/var/log -v /dev:/dev $DOCKER_ADDTL_BIND_MOUNTS -v /etc/pki:/etc/pki:ro {{ openshift.node.node_image }}:${IMAGE_VERSION}
+ExecStart=/usr/bin/docker run --name {{ openshift.common.service_type }}-node \
+  --rm --privileged --net=host --pid=host --env-file=/etc/sysconfig/{{ openshift.common.service_type }}-node \
+  -v /:/rootfs:ro,rslave -e CONFIG_FILE=${CONFIG_FILE} -e OPTIONS=${OPTIONS} \
+  -e HOST=/rootfs -e HOST_ETC=/host-etc \
+  -v {{ openshift_node_data_dir }}:{{ openshift_node_data_dir }}{{ ':rslave' if openshift.docker.gte_1_10 | default(False) | bool else '' }} \
+  -v {{ openshift.common.config_base }}/node:{{ openshift.common.config_base }}/node \
+  {% if openshift_cloudprovider_kind | default('') != '' -%} -v {{ openshift.common.config_base }}/cloudprovider:{{ openshift.common.config_base}}/cloudprovider {% endif -%} \
+  -v /etc/localtime:/etc/localtime:ro -v /etc/machine-id:/etc/machine-id:ro \
+  -v /run:/run -v /sys:/sys:rw -v /sys/fs/cgroup:/sys/fs/cgroup:rw \
+  -v /usr/bin/docker:/usr/bin/docker:ro -v /var/lib/docker:/var/lib/docker \
+  -v /lib/modules:/lib/modules -v /etc/origin/openvswitch:/etc/openvswitch \
+  -v /etc/origin/sdn:/etc/openshift-sdn -v /var/lib/cni:/var/lib/cni \
+  -v /etc/systemd/system:/host-etc/systemd/system -v /var/log:/var/log \
+  -v /dev:/dev $DOCKER_ADDTL_BIND_MOUNTS -v /etc/pki:/etc/pki:ro \
+  {% if l_bind_docker_reg_auth %} -v {{ oreg_auth_credentials_path }}:/root/.docker:ro{% endif %}\
+  {{ openshift.node.node_image }}:${IMAGE_VERSION}
 ExecStartPost=/usr/bin/sleep 10
 ExecStop=/usr/bin/docker stop {{ openshift.common.service_type }}-node
 ExecStopPost=/usr/bin/rm /etc/dnsmasq.d/node-dnsmasq.conf