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script tweaks

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This commit is contained in:
Matthias Kretschmann 2021-02-16 22:43:18 +01:00
parent 599dc8ab40
commit 371b9f1749
Signed by: m
GPG Key ID: 606EEEF3C479A91F
1 changed files with 27 additions and 19 deletions
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20
bin/cloudflare-dyndns.sh
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@ -1,5 +1,8 @@
#!/usr/bin/env bash
#
# Update Cloudflare DNS record with current detected public IP
# https://api.cloudflare.com/#dns-records-for-a-zone-patch-dns-record
#
# Required env vars
# CLOUDFLARE_ZONE="xxx"
# CLOUDFLARE_DNS_RECORD_ID_A="xxx"
@ -7,24 +10,27 @@
# CLOUDFLARE_EMAIL="xxx"
# CLOUDFLARE_KEY="xxx"
# Update Cloudflare DNS record with current detected public IP
# https://api.cloudflare.com/#dns-records-for-a-zone-patch-dns-record
function updateIp {
function updateIpv4 {
# IPv4 A record
# https://unix.stackexchange.com/a/81699/125382
IPADDRv4=$(dig @resolver4.opendns.com myip.opendns.com +short)
echo "-----------------------------------------"
echo "Public IPv4: $IPADDRv4"
echo "-----------------------------------------"
curl -X PATCH "https://api.cloudflare.com/client/v4/zones/$CLOUDFLARE_ZONE/dns_records/$CLOUDFLARE_DNS_RECORD_ID_A" \
-H "X-Auth-Email: $CLOUDFLARE_EMAIL" \
-H "X-Auth-Key: $CLOUDFLARE_KEY" \
-H "Content-Type: application/json" \
--data "{\"content\":\"$IPADDRv4\"}"
}
function updateIpv6 {
# IPv6 AAAA record
IPADDRv6=$(dig @resolver1.ipv6-sandbox.opendns.com AAAA myip.opendns.com +short -6)
echo "-----------------------------------------"
echo "Public IPv6: $IPADDRv6"
echo "-----------------------------------------"
curl -X PATCH "https://api.cloudflare.com/client/v4/zones/$CLOUDFLARE_ZONE/dns_records/$CLOUDFLARE_DNS_RECORD_ID_AAAA" \
-H "X-Auth-Email: $CLOUDFLARE_EMAIL" \
@ -33,4 +39,6 @@
--data "{\"content\":\"$IPADDRv6\"}"
}
updateIp
# Let's roll
updateIpv4
updateIpv6