Salt: bypass Salt when installing docker package on debian

cluster/saltbase/salt/docker/init.sls

@@ -276,9 +276,8 @@ purge-old-docker-package:
     - makedirs: true
 
 docker-upgrade:
-  pkg.installed:
-    - sources:
-      - {{ docker_pkg_name }}: /var/cache/docker-install/{{ override_deb }}
+  cmd.run:
+    - name: /opt/kubernetes/helpers/pkg install-no-start {{ docker_pkg_name }} {{ override_docker_ver }} /var/cache/docker-install/{{ override_deb }}
     - require:
       - file: /var/cache/docker-install/{{ override_deb }}
 {% endif %} # end override_docker_ver != ''
@@ -308,7 +307,7 @@ fix-service-docker:
       - file: {{ environment_file }}
 {% if override_docker_ver != '' %}
     - require:
-      - pkg: docker-upgrade
+      - cmd: docker-upgrade
 {% endif %}
 
 {% endif %}
@@ -327,14 +326,14 @@ docker:
     - watch:
       - file: {{ environment_file }}
 {% if override_docker_ver != '' %}
-      - pkg: docker-upgrade
+      - cmd: docker-upgrade
 {% endif %}
 {% if pillar.get('is_systemd') %}
       - file: {{ pillar.get('systemd_system_path') }}/docker.service
 {% endif %}
 {% if override_docker_ver != '' %}
     - require:
-      - pkg: docker-upgrade
+      - cmd: docker-upgrade
 {% endif %}
 {% endif %} # end grains.os_family != 'RedHat'
 

cluster/saltbase/salt/salt-helpers/init.sls

-{% if pillar.get('is_systemd') %}
 /opt/kubernetes/helpers:
   file.directory:
     - user: root
@@ -6,6 +5,7 @@
     - makedirs: True
     - dir_mode: 755
 
+{% if pillar.get('is_systemd') %}
 /opt/kubernetes/helpers/services:
   file.managed:
     - source: salt://salt-helpers/services
@@ -13,3 +13,12 @@
     - group: root
     - mode: 755
 {% endif %}
+
+{% if grains.get('os_family', '') == 'Debian' -%}
+/opt/kubernetes/helpers/pkg:
+  file.managed:
+    - source: salt://salt-helpers/pkg-apt
+    - user: root
+    - group: root
+    - mode: 755
+{% endif %}

cluster/saltbase/salt/salt-helpers/pkg-apt

+#!/bin/bash
+
+# Copyright 2016 The Kubernetes Authors All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Helper script that installs a package, wrapping it with a policy that
+# means we won't try to start services.
+set -o errexit
+set -o nounset
+set -o pipefail
+
+ACTION=${1}
+NAME=${2}
+VERSION=${3}
+SRC=${4}
+
+if [[ -z "${ACTION}" || -z "${NAME}" || -z "${VERSION}" || -z "${SRC}" ]]; then
+  echo "Syntax: ${0} <action> <name> <version> <src>"
+  exit 1
+fi
+
+old_policy=""
+
+function install_no_start {
+  # Query the existing installed version, assuming that an error means package not found
+  existing=`dpkg-query -W -f='${Version}' ${NAME} 2>/dev/null || echo ""`
+  if [[ -n "${existing}" ]]; then
+    if [[ "${existing}" == "${VERSION}" ]]; then
+      return
+    fi
+    echo "Different version of package ${NAME} installed: ${VERSION} vs ${existing}"
+  fi
+
+  if [[ -e "/usr/sbin/policy-rc.d" ]]; then
+    tmpfile=`mktemp`
+    mv /usr/sbin/policy-rc.d ${tmpfile}
+    old_policy=${tmpfile}
+  fi
+  trap cleanup EXIT
+  echo -e '#!/bin/sh\nexit 101' > /usr/sbin/policy-rc.d
+  chmod 755 /usr/sbin/policy-rc.d
+
+  echo "Installing package ${NAME} from ${SRC}"
+  dpkg --install ${SRC}
+}
+
+function cleanup {
+  rm -f /usr/sbin/policy-rc.d
+  if [[ -n "${old_policy}" ]]; then
+    mv ${old_policy} /usr/sbin/policy-rc.d
+  fi
+}
+
+if [[ "${ACTION}" == "install-no-start" ]]; then
+  install_no_start
+else
+  echo "Unknown action: ${ACTION}"
+  exit 1
+fi