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add check sub-command, for checking installation of firewall rules

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Chai Feng 2018-11-23 22:10:06 +08:00
parent 766aa9c727
commit ef16648ecb
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GPG Key ID: 2DCD9A24E523FFD2
1 changed files with 55 additions and 17 deletions
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ufw-docker
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@ -256,10 +256,38 @@ function ufw-docker--raw-command() {
ufw "$@" ufw "$@"
} }
function ufw-docker--install() { after_rules="/etc/ufw/after.rules"
after_rules="/etc/ufw/after.rules"
function ufw-docker--check() {
err "\\n########## iptables -n -L DOCKER-USER ##########"
iptables -n -L DOCKER-USER
err "\\n\\n########## diff $after_rules ##########"
ufw-docker--check-install && err "\\nCheck done."
}
declare -a files_to_be_deleted
function rm-on-exit() {
[[ $# -gt 0 ]] && files_to_be_deleted+=("$@")
}
function on-exit() {
for file in "${files_to_be_deleted[@]}"; do
[[ -f "$file" ]] && rm -vr "$file"
done
files_to_be_deleted=()
}
trap on-exit EXIT INT TERM QUIT ABRT ERR
function ufw-docker--check-install() {
local after_rules_tmp
after_rules_tmp="${1:-}"
if [[ -z "$after_rules_tmp" ]]; then
after_rules_tmp="$(mktemp)" after_rules_tmp="$(mktemp)"
rm-on-exit "$after_rules_tmp"
fi
sed "/^# BEGIN UFW AND DOCKER/,/^# END UFW AND DOCKER/d" "$after_rules" > "$after_rules_tmp" sed "/^# BEGIN UFW AND DOCKER/,/^# END UFW AND DOCKER/d" "$after_rules" > "$after_rules_tmp"
>> "${after_rules_tmp}" cat <<-\EOF >> "${after_rules_tmp}" cat <<-\EOF
# BEGIN UFW AND DOCKER # BEGIN UFW AND DOCKER
@ -286,12 +314,20 @@ function ufw-docker--install() {
# END UFW AND DOCKER # END UFW AND DOCKER
EOF EOF
if ! diff -u --color=auto "$after_rules" "$after_rules_tmp"; then diff -u --color=auto "$after_rules" "$after_rules_tmp"
}
function ufw-docker--install() {
local after_rules_tmp
after_rules_tmp="$(mktemp)"
rm-on-exit "$after_rules_tmp"
if ! ufw-docker--check-install "$after_rules_tmp"; then
local after_rules_bak
after_rules_bak="${after_rules}-ufw-docker~$(date '+%Y-%m-%d-%H%M%S')~" after_rules_bak="${after_rules}-ufw-docker~$(date '+%Y-%m-%d-%H%M%S')~"
err "\nBacking up $after_rules to $after_rules_bak" err "\\nBacking up $after_rules to $after_rules_bak"
cp "$after_rules" "$after_rules_bak" cp "$after_rules" "$after_rules_bak"
cat "$after_rules_tmp" > "$after_rules" cat "$after_rules_tmp" > "$after_rules"
err "Please restart UFW service manually by using the following command:" err "Please restart UFW service manually by using the following command:"
if type systemctl &>/dev/null; then if type systemctl &>/dev/null; then
err " sudo systemctl restart ufw" err " sudo systemctl restart ufw"
@ -310,11 +346,13 @@ function ufw-docker--help() {
ufw-docker service allow <swarm-service-id-or-name <port</tcp|/udp>>> ufw-docker service allow <swarm-service-id-or-name <port</tcp|/udp>>>
ufw-docker service delete allow <swarm-service-id-or-name> ufw-docker service delete allow <swarm-service-id-or-name>
ufw-docker <status|install|help> ufw-docker <status|install|check|help>
Examples: Examples:
ufw-docker help ufw-docker help
ufw-docker install
ufw-docker check # Check the installation of firewall rules
ufw-docker install # Install firewall rules
ufw-docker status ufw-docker status
@ -386,7 +424,7 @@ case "$ufw_action" in
shift || true shift || true
"ufw-docker--$ufw_action" "$@" "ufw-docker--$ufw_action" "$@"
;; ;;
status|install|is-installed) status|install|check)
ufw-docker--"$ufw_action" ufw-docker--"$ufw_action"
;; ;;
*) *)