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ddns-scripts: allow setting CloudFlare 'rec_id' in the config

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This is necessary when there are multiple records for the same domain,
otherwise the script will overwrite the first one returned by the API.
It has the secondary benefit of allowing faster updates by performing
only one API call instead of two.

In case 'rec_id' is not set the script behaves exactly as before.

Signed-off-by: Leonardo Brondani Schenkel <leonardo@schenkel.net>
This commit is contained in:
Leonardo Brondani Schenkel 2016-01-08 19:47:57 +01:00
parent 1794ba1039
commit b740a68d24
1 changed files with 48 additions and 46 deletions
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94
net/ddns-scripts/files/update_CloudFlare.sh
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@ -57,56 +57,58 @@ cleanup() {
sed -i "#'##g" $DATFILE # remove "'" (single quote)
}
# build url according to cloudflare client api at https://www.cloudflare.com/docs/client-api.html
# to "rec_load_all" to detect rec_id needed for update
__URL="https://www.cloudflare.com/api_json.html" # https://www.cloudflare.com/api_json.html
__URL="${__URL}?a=rec_load_all" # -d 'a=rec_load_all'
__URL="${__URL}&tkn=$password" # -d 'tkn=8afbe6dea02407989af4dd4c97bb6e25'
__URL="${__URL}&email=$username" # -d 'email=sample@example.com'
__URL="${__URL}&z=$__DOMAIN" # -d 'z=example.com'
[ -n "$rec_id" ] && __RECID="$rec_id" || {
# build url according to cloudflare client api at https://www.cloudflare.com/docs/client-api.html
# to "rec_load_all" to detect rec_id needed for update
__URL="https://www.cloudflare.com/api_json.html" # https://www.cloudflare.com/api_json.html
__URL="${__URL}?a=rec_load_all" # -d 'a=rec_load_all'
__URL="${__URL}&tkn=$password" # -d 'tkn=8afbe6dea02407989af4dd4c97bb6e25'
__URL="${__URL}&email=$username" # -d 'email=sample@example.com'
__URL="${__URL}&z=$__DOMAIN" # -d 'z=example.com'
# lets request the data
do_transfer "$__URL" || return 1
# lets request the data
do_transfer "$__URL" || return 1
cleanup # cleanup dat file
json_load "$(cat $DATFILE)" # lets extract data
__FOUND=0 # found record indicator
json_get_var __RES "result" # cloudflare result of last request
json_get_var __MSG "msg" # cloudflare error message
[ "$__RES" != "success" ] && {
write_log 4 "'rec_load_all' failed with error: \n$__MSG"
return 1
cleanup # cleanup dat file
json_load "$(cat $DATFILE)" # lets extract data
__FOUND=0 # found record indicator
json_get_var __RES "result" # cloudflare result of last request
json_get_var __MSG "msg" # cloudflare error message
[ "$__RES" != "success" ] && {
write_log 4 "'rec_load_all' failed with error: \n$__MSG"
return 1
}
json_select "response"
json_select "recs"
json_select "objs"
json_get_keys __KEYS
for __KEY in $__KEYS; do
local __ZONE __DISPLAY __NAME __TYPE
json_select "$__KEY"
# json_get_var __ZONE "zone_name" # for debugging
# json_get_var __DISPLAY "display_name" # for debugging
json_get_var __NAME "name"
json_get_var __TYPE "type"
if [ "$__NAME" = "$domain" ]; then
# we must verify IPv4 and IPv6 because there might be both for the same host
[ \( $use_ipv6 -eq 0 -a "$__TYPE" = "A" \) -o \( $use_ipv6 -eq 1 -a "$__TYPE" = "AAAA" \) ] && {
__FOUND=1 # mark found
break # found leave for loop
}
fi
json_select ..
done
[ $__FOUND -eq 0 ] && {
# we don't need to continue trying to update cloudflare because record to update does not exist
# user has to setup record first outside ddns-scripts
write_log 14 "No valid record found at Cloudflare setup. Please create first!"
}
json_get_var __RECID "rec_id" # last thing to do get rec_id
json_cleanup # cleanup
write_log 7 "rec_id '$__RECID' detected for host/domain '$domain'"
}
json_select "response"
json_select "recs"
json_select "objs"
json_get_keys __KEYS
for __KEY in $__KEYS; do
local __ZONE __DISPLAY __NAME __TYPE
json_select "$__KEY"
# json_get_var __ZONE "zone_name" # for debugging
# json_get_var __DISPLAY "display_name" # for debugging
json_get_var __NAME "name"
json_get_var __TYPE "type"
if [ "$__NAME" = "$domain" ]; then
# we must verify IPv4 and IPv6 because there might be both for the same host
[ \( $use_ipv6 -eq 0 -a "$__TYPE" = "A" \) -o \( $use_ipv6 -eq 1 -a "$__TYPE" = "AAAA" \) ] && {
__FOUND=1 # mark found
break # found leave for loop
}
fi
json_select ..
done
[ $__FOUND -eq 0 ] && {
# we don't need to continue trying to update cloudflare because record to update does not exist
# user has to setup record first outside ddns-scripts
write_log 14 "No valid record found at Cloudflare setup. Please create first!"
}
json_get_var __RECID "rec_id" # last thing to do get rec_id
json_cleanup # cleanup
write_log 7 "rec_id '$__RECID' detected for host/domain '$domain'"
# build url according to cloudflare client api at https://www.cloudflare.com/docs/client-api.html
# for "rec_edit" to update IP address
__URL="https://www.cloudflare.com/api_json.html" # https://www.cloudflare.com/api_json.html