18 lines
649 B
Bash
Executable file
18 lines
649 B
Bash
Executable file
#!/usr/bin/env sh
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echo "certbot txt record: $CERTBOT_VALIDATION"
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baseurl='https://www.duckdns.org/update?domains=%s&token=%s&txt=%s'
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result="$(printf "url=$baseurl\n" "$DUCKDNS_DOMAIN" "$DUCKDNS_TOKEN" "$CERTBOT_VALIDATION" | curl -K -)"
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# give some time for the record to update
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echo "waiting for txt record"
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for _i in $(seq 0 60); do
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val="$(nslookup -type=TXT "$DUCKDNS_DOMAIN.duckdns.org" | grep "$DUCKDNS_DOMAIN.duckdns.org.*text.*=.*" | sed -n 's/.*"\([^"]*\)".*/\1/p')"
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echo "current txt record: $val"
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test "$val" = "$CERTBOT_VALIDATION" && break
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sleep 10
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done
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sleep "${DUCKDNS_PROPAGATION_DELAY:-0}"
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test "$result" = 'OK'
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