docker-bench-security/tests/6_docker_security_operations.sh
Thomas Sjögren b5c571df18 shellcheck fixes
Signed-off-by: Thomas Sjögren <konstruktoid@users.noreply.github.com>
2015-06-21 23:03:34 +02:00

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#!/bin/sh
logit "\n"
info "6 - Docker Security Operations"
# 6.5
check_6_5="6.5 - Use a centralized and remote log collection service"
# If containers is empty, there are no running containers
if [ -z "$containers" ]; then
info "$check_6_5"
info " * No containers running"
else
fail=0
set -f; IFS=$'
'
for c in $containers; do
volumes=$(docker inspect --format '{{ .Volumes }}' "$c")
if [ "$volumes" = "map[]" ]; then
# If it's the first container, fail the test
if [ $fail -eq 0 ]; then
info "$check_6_5"
info " * Container has no volumes, ensure centralized logging is enabled : $c"
fail=1
else
info " * Container has no volumes, ensure centralized logging is enabled : $c"
fi
fi
done
# Only alert if there are no volumes. If there are volumes, can't know if they
# are used for logs
fi
# Make the loop separator go back to space
set +f; unset IFS
# 6.6
check_6_6="6.6 - Avoid image sprawl"
images=$(docker images -q | wc -l | awk '{print $1}')
active_images=0
for c in $(docker inspect -f "{{.Image}}" $(docker ps -qa)); do
if docker images --no-trunc -a | grep "$c" > /dev/null ; then
active_images=$(( active_images += 1 ))
fi
done
if [ "$images" -gt 100 ]; then
warn "$check_6_6"
warn " * There are currently: $images images"
else
info "$check_6_6"
info " * There are currently: $images images"
fi
if [ "$active_images" -lt "$((images / 2))" ]; then
warn " * Only $active_images out of $images are in use"
fi
# 6.7
check_6_7="6.7 - Avoid container sprawl"
total_containers=$(docker info 2>/dev/null | grep "Containers" | awk '{print $2}')
running_containers=$(docker ps -q | wc -l | awk '{print $1}')
diff="$((total_containers - running_containers))"
if [ "$diff" -gt 25 ]; then
warn "$check_6_7"
warn " * There are currently a total of $total_containers containers, with only $running_containers of them currently running"
else
info "$check_6_7"
info " * There are currently a total of $total_containers containers, with $running_containers of them currently running"
fi