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1.0.0 Release IaaS

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Il Lee
2026-03-15 04:41:02 +09:00
commit a7365da431
292 changed files with 36059 additions and 0 deletions
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15
config/services/systemd/fw/ddns/ddns.service Normal file
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[Unit]
Description=DDNS Update Service
After=network-online.target
Wants=network-online.target
[Service]
Type=oneshot
StandardOutput=journal
StandardError=journal
EnvironmentFile=/etc/secrets/%U/ddns.env
# Run the script
ExecStart=/usr/local/bin/ddns.sh -d "ilnmors.com"

299
config/services/systemd/fw/ddns/ddns.sh Normal file
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#!/bin/bash
## Change Log format as logfmt (refactoring)
# ddns.sh -d domain [-t <ttl>] [-p] [-r] [-c]
# Default Information
DOMAIN=""
TTL=180
C_TTL=86400
PROXIED="false"
DELETE_FLAG="false"
CURRENT_IP=""
# These will be injected by systemd
# ZONE_ID='.secret'
# API_KEY='.secret'
# usage() function
usage() {
echo "Usage: $0 -d \"domain\" [-t \"ttl\"] [-p] [-r] [-c]"
echo "-d <domain>: Specify the domain to update"
echo "-t <ttl>: Specify the TTL(Time to live)"
echo "-p: Specify the cloudflare proxy to use"
echo "-r: Delete the DNS record"
exit 1
}
# Log function
log() {
local timestamp=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
local level="$1"
local msg="$2"
echo "time=\"$timestamp\" level=\"$level\" msg=\"$msg\" source=\"ddns.sh\"">&2
}
# getopts to get arguments
while getopts "d:t:pr" opt; do
case $opt in
d)
DOMAIN="$OPTARG"
;;
t)
TTL="$OPTARG"
;;
p)
PROXIED="true"
;;
r)
DELETE_FLAG="true"
;;
\?) # unknown options
log "error" "Invalid option: -$OPTARG"
usage
;;
:) # parameter required option
log "error" "Option -$OPTARG requires an argument."
usage
;;
esac
done
# Get option and move to parameters - This has no functional thing, because it only use arguments with parameters
shift $((OPTIND - 1))
# Check necessary options
if [ -z "$DOMAIN" ]; then
log "error" "-d option is required"
usage
fi
if ! [[ "$TTL" =~ ^[0-9]+$ ]] || [ "$TTL" -le 0 ]; then
log "error" "-t option (ttl) requires a number above 0."
usage
fi
# Check necessary environment variables (Injected by systemd or shell)
if [ -z "$ZONE_ID" ]; then
log "error" "ZONE_ID is required via environment variable."
exit 1
fi
if [ -z "$API_KEY" ]; then
log "error" "API_KEY is required via environment variable."
exit 1
fi
# Check package
if ! command -v curl >/dev/null; then
log "error" "curl is required"
exit 1
fi
if ! command -v jq >/dev/null; then
log "error" "jq is required"
exit 1
fi
# API options
URL="https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records"
CONTENT_TYPE="Content-Type: application/json"
AUTHORIZATION="Authorization: Bearer $API_KEY"
# Current IP
CURRENT_IP=$( ip address show dev wan | grep 'inet ' | awk '{print $2}' | cut -d'/' -f1 )
# Get current IP from external server when IP is private IP
if [[ -z "$CURRENT_IP" || "$CURRENT_IP" =~ ^(10\.|172\.(1[6-9]|2[0-9]|3[0-1])\.|192\.168\.|127\.) ]]; then
log "info" "IP from interface is private or empty. Fetching public IP..."
CURRENT_IP=$(curl -sf "https://ifconfig.me") ||\
CURRENT_IP=$(curl -sf "https://ifconfig.kr") ||\
CURRENT_IP=$(curl -sf "https://api.ipify.org")
fi
if [ "$CURRENT_IP" == "" ]; then
log "Error" "Can't get an IP"
exit 1
fi
# DNS functions
# get_dns_record() function
get_dns_record()
{
local type="$1"
local name="$2"
local response="$(
curl -s "$URL?type=$type&name=$name"\
-H "$CONTENT_TYPE"\
-H "$AUTHORIZATION")"
if [ "$(echo "$response" | jq -r '.success')" == "false" ]; then
log "error" "Can't get dns record by $response"
exit 1
else
# return
echo "$response"
fi
}
# create_dns_record() function
create_dns_record()
{
local type="$1"
local name="$2"
local ttl="$3"
local comment="$4"
local content="$5"
local response="$(
curl -s "$URL"\
-X POST\
-H "$CONTENT_TYPE"\
-H "$AUTHORIZATION"\
-d "{
\"name\": \"$name\",
\"ttl\": $ttl,
\"type\": \"$type\",
\"comment\": \"$comment\",
\"content\": \"$content\",
\"proxied\": $PROXIED
}")"
if [ "$(echo "$response" | jq -r '.success')" == "false" ]; then
log "error" "Can't create dns record by $response"
exit 1
else
# return
echo "$response"
fi
}
# update_dns_record() function
update_dns_record()
{
local type="$1"
local name="$2"
local ttl="$3"
local comment="$4"
local content="$5"
local id="$6"
local response=$(
curl -s "$URL/$id"\
-X PUT\
-H "$CONTENT_TYPE"\
-H "$AUTHORIZATION"\
-d "{
\"name\": \"$name\",
\"ttl\": $ttl,
\"type\": \"$type\",
\"comment\": \"$comment\",
\"content\": \"$content\",
\"proxied\": $PROXIED
}")
if [ "$(echo "$response" | jq -r '.success')" == "false" ]; then
log "error" "Can't update dns record by $response"
exit 1
else
#return
echo "$response"
fi
}
# delete_dns_record() function
delete_dns_record()
{
local type="$1"
local id="$2"
local response=$(
curl -s "$URL/$id"\
-X DELETE\
-H "$CONTENT_TYPE"\
-H "$AUTHORIZATION"
)
if [ "$(echo "$response" | jq -r '.success')" == "false" ]; then
log "error" "Can't delete dns record by $response"
exit 1
else
# return
echo "$response"
fi
}
# Get DNS A, and CNAME record
A_DNS_RECORD=$(get_dns_record "A" "$DOMAIN")
S_DNS_RECORD=$(get_dns_record "cname" "*.$DOMAIN")
W_DNS_RECORD=$(get_dns_record "cname" "www.$DOMAIN")
# Delete DNS record with Delete flag
if [ "$DELETE_FLAG" == "true" ]; then
FLAG="false"
if [ "$(echo $A_DNS_RECORD | jq -r '.result | length')" -eq 1 ]; then
A_DNS_ID="$(echo $A_DNS_RECORD | jq -r '.result[0].id')"
delete_dns_record "A" "$A_DNS_ID"
log "info" "root DNS record is deleted"
FLAG="true"
fi
if [ "$(echo $S_DNS_RECORD | jq -r '.result | length')" -eq 1 ]; then
S_DNS_ID="$(echo $S_DNS_RECORD | jq -r '.result[0].id')"
delete_dns_record "cname" "$S_DNS_ID"
log "info" "sub DNS record is deleted"
FLAG="true"
fi
if [ "$(echo $W_DNS_RECORD | jq -r '.result | length')" -eq 1 ]; then
W_DNS_ID="$(echo $W_DNS_RECORD | jq -r '.result[0].id')"
delete_dns_record "cname" "$W_DNS_ID"
log "info" "www DNS record is deleted"
FLAG="true"
fi
if [ "$FLAG" == "false" ]; then
log "info" "Nothing is Deleted. There are no DNS records"
fi
exit
fi
# Create or update DNS A record
if [ "$(echo $A_DNS_RECORD | jq -r '.result | length')" -eq 1 ]; then # root DNS record exist
A_DNS_ID="$(echo $A_DNS_RECORD | jq -r '.result[0].id')"
A_DNS_CONTENT="$(echo $A_DNS_RECORD | jq -r '.result[0].content')"
A_DNS_TTL="$(echo $A_DNS_RECORD | jq -r '.result[0].ttl')"
A_DNS_PROXIED="$(echo $A_DNS_RECORD | jq -r '.result[0].proxied')"
if [ "$A_DNS_CONTENT" != $CURRENT_IP -o "$A_DNS_TTL" != "$TTL" -o "$A_DNS_PROXIED" != "$PROXIED" ]; then
update_dns_record "A" "$DOMAIN" "$TTL" "$(date "+%Y-%m-%d %H:%M:%S"): root domain from ddns.sh" "$CURRENT_IP" "$A_DNS_ID"
log "info" "Root DNS record is successfully changed Domain: $DOMAIN IP: $A_DNS_CONTENT to $CURRENT_IP TTL: $A_DNS_TTL to $TTL proxied: $A_DNS_PROXIED to $PROXIED"
else
log "info" "Root DNS record is not changed Domain: $DOMAIN IP: $CURRENT_IP TTL: $TTL proxied: $PROXIED"
fi
else # root DNS record does not exist
create_dns_record "A" "$DOMAIN" "$TTL" "$(date "+%Y-%m-%d %H:%M:%S"): root domain from ddns.sh" "$CURRENT_IP"
log "info" "Root DNS record is successfully created Domain: $DOMAIN IP: $CURRENT_IP TTL: $TTL proxied: $PROXIED"
fi
# Create or update DNS CNAME records
if [ "$(echo $S_DNS_RECORD | jq -r '.result | length')" -eq 1 ]; then # sub DNS record exist
S_DNS_ID="$(echo $S_DNS_RECORD | jq -r '.result[0].id')"
S_DNS_CONTENT="$(echo $S_DNS_RECORD | jq -r '.result[0].content')"
S_DNS_TTL="$(echo $S_DNS_RECORD | jq -r '.result[0].ttl')"
S_DNS_PROXIED="$(echo $S_DNS_RECORD | jq -r '.result[0].proxied')"
if [ "$S_DNS_CONTENT" != "$DOMAIN" -o "$S_DNS_TTL" != "$C_TTL" -o "$S_DNS_PROXIED" != "$PROXIED" ]; then
update_dns_record "cname" "*.$DOMAIN" "$C_TTL" "$(date "+%Y-%m-%d %H:%M:%S"): sub domain from ddns.sh" "$DOMAIN" "$S_DNS_ID"
log "info" "Sub DNS record is successfully changed Domain: $S_DNS_CONTENT to *.$DOMAIN cname: $DOMAIN TTL: $S_DNS_TTL to $C_TTL proxied: $S_DNS_PROXIED to $PROXIED"
else
log "info" "Sub DNS record is not changed Domain: *.$DOMAIN cname: $DOMAIN TTL: $C_TTL proxied: $PROXIED"
fi
else # sub DNS record does not exist
create_dns_record "cname" "*.$DOMAIN" "$C_TTL" "$(date "+%Y-%m-%d %H:%M:%S"): sub domain from ddns.sh" "$DOMAIN"
log "info" "Sub DNS record is successfully created Domain: *.$DOMAIN cname: $DOMAIN TTL: $C_TTL proxied: $PROXIED"
fi
if [ "$(echo $W_DNS_RECORD | jq -r '.result | length')" -eq 1 ]; then # www DNS record exist
W_DNS_ID="$(echo $W_DNS_RECORD | jq -r '.result[0].id')"
W_DNS_CONTENT="$(echo $W_DNS_RECORD | jq -r '.result[0].content')"
W_DNS_TTL="$(echo $W_DNS_RECORD | jq -r '.result[0].ttl')"
W_DNS_PROXIED="$(echo $W_DNS_RECORD | jq -r '.result[0].proxied')"
if [ "$W_DNS_CONTENT" != "$DOMAIN" -o "$W_DNS_TTL" != "$C_TTL" -o "$W_DNS_PROXIED" != "$PROXIED" ]; then
update_dns_record "cname" "www.$DOMAIN" "$C_TTL" "$(date "+%Y-%m-%d %H:%M:%S"): www domain from ddns.sh" "$DOMAIN" "$W_DNS_ID"
log "info" "www DNS record is successfully changed Domain: $W_DNS_CONTENT to www.$DOMAIN cname: $DOMAIN TTL: $W_DNS_TTL to $C_TTL proxied: $W_DNS_PROXIED to $PROXIED"
else
log "info" "www DNS record is not changed Domain: www.$DOMAIN cname: $DOMAIN TTL: $C_TTL proxied: $PROXIED"
fi
else # www DNS record does not exist
create_dns_record "cname" "www.$DOMAIN" "$C_TTL" "$(date "+%Y-%m-%d %H:%M:%S"): www domain from ddns.sh" "$DOMAIN"
log "info" "www DNS record is successfully created Domain: www.$DOMAIN cname: $DOMAIN TTL: $C_TTL proxied: $PROXIED"
fi

10
config/services/systemd/fw/ddns/ddns.timer Normal file
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[Unit]
Description=Run DDNS update service every 5 minutes
[Timer]
OnBootSec=1min
OnUnitActiveSec=5min
Persistent=true
[Install]
WantedBy=timers.target