add Docker Swarm Configuration tests

Signed-off-by: Thomas Sjögren <konstruktoid@users.noreply.github.com>

tests/7_docker_swarm_configuration.sh

@@ -0,0 +1,110 @@
+#!/bin/sh
+
+logit "\n"
+info "7 - Docker Swarm Configuration"
+
+# 7.1
+check_7_1="7.1  - Ensure swarm mode is not Enabled, if not needed"
+if docker info 2>/dev/null | grep -e "Swarm:*\sinactive\s*" >/dev/null 2>&1; then
+  pass "$check_7_1"
+else
+  warn "$check_7_1"
+fi
+
+# 7.2
+check_7_2="7.2  - Ensure the minimum number of manager nodes have been created in a swarm"
+if docker info 2>/dev/null | grep -e "Swarm:*\sactive\s*" >/dev/null 2>&1; then
+  managernodes=$(docker node ls | grep -c "Leader")
+  if [ "$managernodes" -le 1 ]; then
+    pass "$check_7_2"
+  else
+    warn "$check_7_2"
+  fi
+else
+  pass "$check_7_2 (Swarm mode not enabled)"
+fi
+
+# 7.3
+check_7_3="7.3  - Ensure swarm services are binded to a specific host interface"
+if docker info 2>/dev/null | grep -e "Swarm:*\sactive\s*" >/dev/null 2>&1; then
+  netstat -lnt | grep -e '\[::]:2377 ' -e ':::2377' -e '*:2377 ' -e ' 0\.0\.0\.0:2377 ' >/dev/null 2>&1
+  if [ $? -eq 1 ]; then
+    pass "$check_7_3"
+  else
+    warn "$check_7_3"
+  fi
+else
+  pass "$check_7_3 (Swarm mode not enabled)"
+fi
+
+# 7.4
+check_7_4="7.4  - Ensure data exchanged between containers are encrypted on different nodes on the overlay network"
+if docker network ls --filter driver=overlay --quiet | \
+  xargs docker network inspect --format '{{.Name}} {{ .Options }}' 2>/dev/null | \
+    grep -v 'encrypted:' 2>/dev/null 1>&2; then
+  warn "$check_7_4"
+  for encnet in $(docker network ls --filter driver=overlay --quiet); do
+    if docker network inspect --format '{{.Name}} {{ .Options }}' "$encnet" | \
+       grep -v 'encrypted:' 2>/dev/null 1>&2; then
+      warn "     * Unencrypted overlay network: $(docker network inspect --format '{{ .Name }} ({{ .Scope }})' "$encnet")"
+    fi
+  done
+else
+  pass "$check_7_4"
+fi
+
+# 7.5
+check_7_5="7.5  - Ensure Docker's secret management commands are used for managing secrets in a Swarm cluster"
+if docker info 2>/dev/null | grep -e "Swarm:\s*active\s*" >/dev/null 2>&1; then
+  if [ "$(docker secret ls -q | wc -l)" -ge 1 ]; then
+    pass "$check_7_5"
+  else
+    info "$check_7_5"
+  fi
+else
+  pass "$check_7_5 (Swarm mode not enabled)"
+fi
+
+# 7.6
+check_7_6="7.6  - Ensure swarm manager is run in auto-lock mode"
+if docker info 2>/dev/null | grep -e "Swarm:\s*active\s*" >/dev/null 2>&1; then
+  if ! docker swarm unlock-key 2>/dev/null | grep 'SWMKEY' 2>/dev/null 1>&2; then
+    warn "$check_7_6"
+  else
+    pass "$check_7_6"
+  fi
+else
+  pass "$check_7_6 (Swarm mode not enabled)"
+fi
+
+# 7.7
+check_7_7="7.7  - Ensure swarm manager auto-lock key is rotated periodically"
+note "$check_7_7"
+
+# 7.8
+check_7_8="7.8  - Ensure node certificates are rotated as appropriate"
+if docker info 2>/dev/null | grep -e "Swarm:\s*active\s*" >/dev/null 2>&1; then
+  if docker info | grep "Expiry Duration: 2 days"; then
+    pass "$check_7_8"
+  else
+    info "$check_7_8"
+  fi
+else
+  pass "$check_7_8 (Swarm mode not enabled)"
+fi
+
+# 7.9
+check_7_9="7.9  - Ensure CA certificates are rotated as appropriate"
+if docker info 2>/dev/null | grep -e "Swarm:\s*active\s*" >/dev/null 2>&1; then
+	info "$check_7_9"
+else
+	pass "$check_7_9 (Swarm mode not enabled)"
+fi
+
+# 7.10
+check_7_10="7.10 - Ensure management plane traffic has been separated from data plane traffic"
+if docker info 2>/dev/null | grep -e "Swarm:\s*active\s*" >/dev/null 2>&1; then
+	info "$check_7_10"
+else
+	pass "$check_7_10 (Swarm mode not enabled)"
+fi