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44 lines
1.5 KiB
Bash
Executable File
44 lines
1.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Update Cloudflare DNS record with current detected public IP
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# https://api.cloudflare.com/#dns-records-for-a-zone-patch-dns-record
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#
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# Required env vars
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# CLOUDFLARE_ZONE="xxx"
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# CLOUDFLARE_DNS_RECORD_ID_A="xxx"
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# CLOUDFLARE_DNS_RECORD_ID_AAAA="xxx"
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# CLOUDFLARE_EMAIL="xxx"
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# CLOUDFLARE_KEY="xxx"
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function updateIpv4 {
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# IPv4 A record
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# https://unix.stackexchange.com/a/81699/125382
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IPADDRv4=$(dig @resolver4.opendns.com myip.opendns.com +short)
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echo "-----------------------------------------"
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echo "Public IPv4: $IPADDRv4"
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echo "-----------------------------------------"
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curl -X PATCH "https://api.cloudflare.com/client/v4/zones/$CLOUDFLARE_ZONE/dns_records/$CLOUDFLARE_DNS_RECORD_ID_A" \
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-H "X-Auth-Email: $CLOUDFLARE_EMAIL" \
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-H "X-Auth-Key: $CLOUDFLARE_KEY" \
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-H "Content-Type: application/json" \
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--data "{\"content\":\"$IPADDRv4\"}"
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}
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function updateIpv6 {
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# IPv6 AAAA record
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IPADDRv6=$(dig @resolver1.ipv6-sandbox.opendns.com AAAA myip.opendns.com +short -6)
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echo "-----------------------------------------"
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echo "Public IPv6: $IPADDRv6"
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echo "-----------------------------------------"
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curl -X PATCH "https://api.cloudflare.com/client/v4/zones/$CLOUDFLARE_ZONE/dns_records/$CLOUDFLARE_DNS_RECORD_ID_AAAA" \
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-H "X-Auth-Email: $CLOUDFLARE_EMAIL" \
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-H "X-Auth-Key: $CLOUDFLARE_KEY" \
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-H "Content-Type: application/json" \
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--data "{\"content\":\"$IPADDRv6\"}"
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}
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# Let's roll
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updateIpv4
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updateIpv6 |