openstack-helm-infra/tools/deployment/apparmor/040-memcached.sh
Pete Birley 641bb04d4a Apparmor: Update to use the runtime default profile
This moves from using the docker profile to the default
runtime profile - which allows container engines other than
docker to work out of the box.

Change-Id: Ica5a48f8c43b90f07969b41e10dc472a772b5b43
Signed-off-by: Pete Birley <pete@port.direct>
2020-01-13 13:04:35 -06:00

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#!/bin/bash
# Copyright 2017 The Openstack-Helm Authors.
#
# 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.
set -xe
namespace="osh-infra"
: ${OSH_INFRA_EXTRA_HELM_ARGS_MEMCACHED:="$(./tools/deployment/common/get-values-overrides.sh memcached)"}
# NOTE: Lint and package chart
make memcached
tee /tmp/memcached.yaml <<EOF
images:
tags:
apparmor_loader: google/apparmor-loader:latest
pod:
mandatory_access_control:
type: apparmor
memcached:
memcached: runtime/default
EOF
# NOTE: Deploy command
: ${OSH_INFRA_EXTRA_HELM_ARGS:=""}
helm upgrade --install memcached ./memcached \
--namespace=$namespace \
--set pod.replicas.server=1 \
--values=/tmp/memcached.yaml \
${OSH_INFRA_EXTRA_HELM_ARGS} \
${OSH_INFRA_EXTRA_HELM_ARGS_MEMCACHED}
# NOTE: Wait for deploy
./tools/deployment/common/wait-for-pods.sh $namespace
# NOTE: Validate Deployment info
helm status memcached
# Run a test. Note: the simple "cat /proc/1/attr/current" verification method
# will not work, as memcached has multiple processes running, so we have to
# find out which one is the memcached application process.
pod=$(kubectl -n $namespace get pod | grep memcached | awk '{print $1}')
unsorted_process_file="/tmp/unsorted_proc_list"
sorted_process_file="/tmp/proc_list"
expected_profile="docker-default (enforce)"
# Grab the processes (numbered directories) from the /proc directory,
# and then sort them. Highest proc number indicates most recent process.
kubectl -n $namespace exec $pod -- ls -1 /proc | grep -e "^[0-9]*$" > $unsorted_process_file
sort --numeric-sort $unsorted_process_file > $sorted_process_file
# The last/latest process in the list will actually be the "ls" command above,
# which isn't running any more, so remove it.
sed -i '$ d' $sorted_process_file
while IFS='' read -r process || [[ -n "$process" ]]; do
echo "Process ID: $process"
proc_name=`kubectl -n $namespace exec $pod -- cat /proc/$process/status | grep "Name:" | awk -F' ' '{print $2}'`
echo "Process Name: $proc_name"
profile=`kubectl -n $namespace exec $pod -- cat /proc/$process/attr/current`
echo "Profile running: $profile"
if test "$profile" != "$expected_profile"
then
if test "$proc_name" == "pause"
then
echo "Root process (pause) can run docker-default, it's ok."
else
echo "$profile is the WRONG PROFILE!!"
return 1
fi
fi
done < $sorted_process_file