Merge pull request #5205 from mgugino-upstream-stage/docker-etc-containers-regs

Automatic merge from submit-queue

Move additional/block/insecure registires to /etc/containers/...

Move additional/block/insecure registires to /etc/containers/registries.conf

This commit moves additional/block/insecure registries to
/etc/containers/registries.conf and comments existing lines in
/etc/sysconfig/docker.

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1460930

3 files changed, 69 insertions, 9 deletions

diff --git a/roles/docker/defaults/main.yml b/roles/docker/defaults/main.yml
index 81f3ee9e4..274fd8603 100644
--- a/roles/docker/defaults/main.yml
+++ b/roles/docker/defaults/main.yml
@@ -4,3 +4,17 @@ docker_cli_auth_config_path: '/root/.docker'
 # 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_replace: False
+
+openshift_docker_additional_registries: []
+openshift_docker_blocked_registries: []
+openshift_docker_insecure_registries: []
+
+# The l2_docker_* variables convert csv strings to lists, if
+# necessary.  These variables should be used in place of their respective
+# openshift_docker_* counterparts to ensure the properly formatted lists are
+# utilized.
+l2_docker_additional_registries: "{% if openshift_docker_additional_registries is string %}{% if openshift_docker_additional_registries == '' %}[]{% elif ',' in openshift_docker_additional_registries %}{{ openshift_docker_additional_registries.split(',') | list }}{% else %}{{ [ openshift_docker_additional_registries ] }}{% endif %}{% else %}{{ openshift_docker_additional_registries }}{% endif %}"
+l2_docker_blocked_registries: "{% if openshift_docker_blocked_registries is string %}{% if openshift_docker_blocked_registries == '' %}[]{% elif ',' in openshift_docker_blocked_registries %}{{ openshift_docker_blocked_registries.split(',') | list }}{% else %}{{ [ openshift_docker_blocked_registries ] }}{% endif %}{% else %}{{ openshift_docker_blocked_registries }}{% endif %}"
+l2_docker_insecure_registries: "{% if openshift_docker_insecure_registries is string %}{% if openshift_docker_insecure_registries == '' %}[]{% elif ',' in openshift_docker_insecure_registries %}{{ openshift_docker_insecure_registries.split(',') | list }}{% else %}{{ [ openshift_docker_insecure_registries ] }}{% endif %}{% else %}{{ openshift_docker_insecure_registries }}{% endif %}"
+
+containers_registries_conf_path: /etc/containers/registries.conf
diff --git a/roles/docker/tasks/package_docker.yml b/roles/docker/tasks/package_docker.yml
index 16aea5067..0c5621259 100644
--- a/roles/docker/tasks/package_docker.yml
+++ b/roles/docker/tasks/package_docker.yml
@@ -53,22 +53,22 @@
 - stat: path=/etc/sysconfig/docker
   register: docker_check
 
-- name: Set registry params
+- name: Comment old registry params in /etc/sysconfig/docker
   lineinfile:
     dest: /etc/sysconfig/docker
     regexp: '^{{ item.reg_conf_var }}=.*$'
-    line: "{{ item.reg_conf_var }}='{{ item.reg_fact_val | oo_prepend_strings_in_list(item.reg_flag ~ ' ') | join(' ') }}'"
-  when: item.reg_fact_val != '' and docker_check.stat.isreg is defined and docker_check.stat.isreg
+    line: "#{{ item.reg_conf_var }}=''# Moved to {{ containers_registries_conf_path }}"
   with_items:
   - reg_conf_var: ADD_REGISTRY
-    reg_fact_val: "{{ docker_additional_registries | default(None, true)}}"
-    reg_flag: --add-registry
   - reg_conf_var: BLOCK_REGISTRY
-    reg_fact_val: "{{ docker_blocked_registries| default(None, true) }}"
-    reg_flag: --block-registry
   - reg_conf_var: INSECURE_REGISTRY
-    reg_fact_val: "{{ docker_insecure_registries| default(None, true) }}"
-    reg_flag: --insecure-registry
+  notify:
+  - restart docker
+
+- name: Place additional/blocked/insecure registies in /etc/containers/registries.conf
+  template:
+    dest: "{{ containers_registries_conf_path }}"
+    src: registries.conf
   notify:
   - restart docker
 
diff --git a/roles/docker/templates/registries.conf b/roles/docker/templates/registries.conf
new file mode 100644
index 000000000..c55dbd84f
--- /dev/null
+++ b/roles/docker/templates/registries.conf
@@ -0,0 +1,46 @@
+# {{ ansible_managed }}
+# This is a system-wide configuration file used to
+# keep track of registries for various container backends.
+# It adheres to YAML format and does not support recursive
+# lists of registries.
+
+# The default location for this configuration file is /etc/containers/registries.conf.
+
+# The only valid categories are: 'registries', 'insecure_registies',
+# and 'block_registries'.
+
+
+#registries:
+#  - registry.access.redhat.com
+
+{% if l2_docker_additional_registries %}
+registries:
+{% for reg in l2_docker_additional_registries %}
+  - {{ reg }}
+{% endfor %}
+{% endif %}
+
+# If you need to access insecure registries, uncomment the section below
+# and add the registries fully-qualified name. An insecure registry is one
+# that does not have a valid SSL certificate or only does HTTP.
+#insecure_registries:
+#  -
+
+{% if l2_docker_insecure_registries %}
+insecure_registries:
+{% for reg in l2_docker_insecure_registries %}
+  - {{ reg }}
+{% endfor %}
+{% endif %}
+
+# If you need to block pull access from a registry, uncomment the section below
+# and add the registries fully-qualified name.
+#block_registries:
+# -
+
+{% if l2_docker_blocked_registries %}
+block_registries:
+{% for reg in l2_docker_blocked_registries %}
+  - {{ reg }}
+{% endfor %}
+{% endif %}