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Script to update home IP in nginx conf

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1 file changed, 10 insertions

update-home-ip.sh

@@ -1,11 +1,21 @@
1 1 #!/usr/bin/env bash
2 2
3 + # ------------------------------------------------------------------------------
4 + # This will either allow automically with allowed IP or ask for auth otherwise
3 5 # in /etc/nginx/sites-available/search.lema.org
6 + # ------------------------------------------------------------------------------
4 7 # satisfy any;
5 8 # include /etc/nginx/home_allow.conf;
6 9 # auth_basic "Restricted";
7 10 # auth_basic_user_file /etc/nginx/.htpasswd;
11 + # ------------------------------------------------------------------------------
8 12
13 + # ------------------------------------------------------------------------------
14 + # call it every x minutes to stay up to day
15 + # sudo crontab -e
16 + # ------------------------------------------------------------------------------
17 + # */5 * * * * /etc/nginx/update-home-ip.sh > /var/log/home_ip_update.log 2>&1
18 + # ------------------------------------------------------------------------------
9 19
10 20
11 21 CNAME="casinha.lema.org"

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1 file changed, 29 insertions

update-home-ip.sh(dosya oluşturuldu)

@@ -0,0 +1,29 @@
1 + #!/usr/bin/env bash
2 +
3 + # in /etc/nginx/sites-available/search.lema.org
4 + # satisfy any;
5 + # include /etc/nginx/home_allow.conf;
6 + # auth_basic "Restricted";
7 + # auth_basic_user_file /etc/nginx/.htpasswd;
8 +
9 +
10 +
11 + CNAME="casinha.lema.org"
12 + INCLUDE_FILE="/etc/nginx/home_allow.conf"
13 + CURRENT_IP=$(dig +short "$CNAME" | grep -Eo '([0-9]{1,3}\.){3}[0-9]{1,3}' | head -n 1)
14 +
15 + if [[ -z "$CURRENT_IP" ]]; then
16 + echo "Could not resolve $CNAME"
17 + exit 1
18 + fi
19 +
20 + NEW_CONTENT="allow $CURRENT_IP;\ndeny all;"
21 +
22 + # Only reload if IP changed
23 + if ! grep -q "allow $CURRENT_IP;" "$INCLUDE_FILE"; then
24 + echo -e "$NEW_CONTENT" > "$INCLUDE_FILE"
25 + nginx -t && nginx -s reload
26 + echo "Updated Nginx allow list with IP $CURRENT_IP"
27 + else
28 + echo "IP unchanged, nothing to do."
29 + fi
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