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expand config options #5

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6 changes: 6 additions & 0 deletions README.md
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Expand Up @@ -21,6 +21,12 @@ If the token is not in the enviornment yet, set it up by the following commands
$ export DUCKDNS_TOKEN='example-token'
```

A few other settings are available via environment variables:

- use `DUCKDNS_VERBOSE=true` to print more details from the DuckDNS API. Defaults to "false".
- use `DUCKDNS_DELAY_SECONDS` change how long the script waits for DNS propagation. Defaults to "30".


## Usage

```
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11 changes: 7 additions & 4 deletions hook.sh
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Expand Up @@ -12,19 +12,22 @@ if [[ -z "${DUCKDNS_TOKEN}" ]]; then
echo " - Unable to locate DuckDNS Token in the environment! Make sure DUCKDNS_TOKEN environment variable is set"
fi

VERBOSE="${DUCKDNS_VERBOSE:-false}"
DELAY="${DUCKDNS_DELAY_SECONDS:-30}"

deploy_challenge() {
local DOMAIN="${1}" TOKEN_FILENAME="${2}" TOKEN_VALUE="${3}"
echo -n " - Setting TXT record with DuckDNS ${TOKEN_VALUE}"
curl "https://www.duckdns.org/update?domains=${DOMAIN}&token=${DUCKDNS_TOKEN}&txt=${TOKEN_VALUE}"
curl -s "https://www.duckdns.org/update?domains=${DOMAIN}&token=${DUCKDNS_TOKEN}&txt=${TOKEN_VALUE}&verbose=${VERBOSE}"
echo
echo " - Waiting 30 seconds for DNS to propagate."
sleep 30
echo " - Waiting $DELAY seconds for DNS to propagate."
sleep "$DELAY"
}

clean_challenge() {
local DOMAIN="${1}" TOKEN_FILENAME="${2}" TOKEN_VALUE="${3}"
echo -n " - Removing TXT record from DuckDNS ${DOMAIN}"
curl "https://www.duckdns.org/update?domains=${DOMAIN}&token=${DUCKDNS_TOKEN}&txt=removed&clear=true"
curl -s "https://www.duckdns.org/update?domains=${DOMAIN}&token=${DUCKDNS_TOKEN}&txt=removed&clear=true&verbose=${VERBOSE}"
echo
}

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