#!/usr/bin/env sh
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# HUAWEICLOUD_Username
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# HUAWEICLOUD_Password
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# HUAWEICLOUD_DomainName
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iam_api="https://iam.myhuaweicloud.com"
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dns_api="https://dns.ap-southeast-1.myhuaweicloud.com" # Should work
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######## Public functions #####################
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# Usage: add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
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# Used to add txt record
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#
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# Ref: https://support.huaweicloud.com/intl/zh-cn/api-dns/zh-cn_topic_0132421999.html
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#
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# About "DomainName" parameters see: https://support.huaweicloud.com/api-iam/iam_01_0006.html
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#
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dns_huaweicloud_add() {
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fulldomain=$1
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txtvalue=$2
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HUAWEICLOUD_Username="${HUAWEICLOUD_Username:-$(_readaccountconf_mutable HUAWEICLOUD_Username)}"
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HUAWEICLOUD_Password="${HUAWEICLOUD_Password:-$(_readaccountconf_mutable HUAWEICLOUD_Password)}"
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HUAWEICLOUD_DomainName="${HUAWEICLOUD_DomainName:-$(_readaccountconf_mutable HUAWEICLOUD_Username)}"
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# Check information
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if [ -z "${HUAWEICLOUD_Username}" ] || [ -z "${HUAWEICLOUD_Password}" ] || [ -z "${HUAWEICLOUD_DomainName}" ]; then
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_err "Not enough information provided to dns_huaweicloud!"
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return 1
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fi
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unset token # Clear token
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token="$(_get_token "${HUAWEICLOUD_Username}" "${HUAWEICLOUD_Password}" "${HUAWEICLOUD_DomainName}")"
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if [ -z "${token}" ]; then # Check token
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_err "dns_api(dns_huaweicloud): Error getting token."
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return 1
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fi
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_secure_debug "Access token is:" "${token}"
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unset zoneid
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zoneid="$(_get_zoneid "${token}" "${fulldomain}")"
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if [ -z "${zoneid}" ]; then
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_err "dns_api(dns_huaweicloud): Error getting zone id."
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return 1
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fi
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_debug "Zone ID is:" "${zoneid}"
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_debug "Adding Record"
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_add_record "${token}" "${fulldomain}" "${txtvalue}"
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ret="$?"
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if [ "${ret}" != "0" ]; then
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_err "dns_api(dns_huaweicloud): Error adding record."
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return 1
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fi
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# Do saving work if all succeeded
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_saveaccountconf_mutable HUAWEICLOUD_Username "${HUAWEICLOUD_Username}"
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_saveaccountconf_mutable HUAWEICLOUD_Password "${HUAWEICLOUD_Password}"
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_saveaccountconf_mutable HUAWEICLOUD_DomainName "${HUAWEICLOUD_DomainName}"
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return 0
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}
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# Usage: fulldomain txtvalue
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# Used to remove the txt record after validation
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#
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# Ref: https://support.huaweicloud.com/intl/zh-cn/api-dns/dns_api_64005.html
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#
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dns_huaweicloud_rm() {
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fulldomain=$1
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txtvalue=$2
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HUAWEICLOUD_Username="${HUAWEICLOUD_Username:-$(_readaccountconf_mutable HUAWEICLOUD_Username)}"
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HUAWEICLOUD_Password="${HUAWEICLOUD_Password:-$(_readaccountconf_mutable HUAWEICLOUD_Password)}"
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HUAWEICLOUD_DomainName="${HUAWEICLOUD_DomainName:-$(_readaccountconf_mutable HUAWEICLOUD_Username)}"
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# Check information
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if [ -z "${HUAWEICLOUD_Username}" ] || [ -z "${HUAWEICLOUD_Password}" ] || [ -z "${HUAWEICLOUD_DomainName}" ]; then
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_err "Not enough information provided to dns_huaweicloud!"
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return 1
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fi
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unset token # Clear token
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token="$(_get_token "${HUAWEICLOUD_Username}" "${HUAWEICLOUD_Password}" "${HUAWEICLOUD_DomainName}")"
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if [ -z "${token}" ]; then # Check token
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_err "dns_api(dns_huaweicloud): Error getting token."
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return 1
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fi
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_secure_debug "Access token is:" "${token}"
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unset zoneid
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zoneid="$(_get_zoneid "${token}" "${fulldomain}")"
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if [ -z "${zoneid}" ]; then
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_err "dns_api(dns_huaweicloud): Error getting zone id."
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return 1
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fi
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_debug "Zone ID is:" "${zoneid}"
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# Remove all records
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# Therotically HuaweiCloud does not allow more than one record set
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# But remove them recurringly to increase robusty
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while [ "${record_id}" != "0" ]; do
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_debug "Removing Record"
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_rm_record "${token}" "${zoneid}" "${record_id}"
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record_id="$(_get_recordset_id "${token}" "${fulldomain}" "${zoneid}")"
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done
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return 0
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}
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################### Private functions below ##################################
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# _get_zoneid
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#
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# _token=$1
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# _domain_string=$2
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#
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# printf "%s" "${_zoneid}"
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_get_zoneid() {
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_token=$1
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_domain_string=$2
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export _H1="X-Auth-Token: ${_token}"
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i=1
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while true; do
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h=$(printf "%s" "${_domain_string}" | cut -d . -f $i-100)
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if [ -z "$h" ]; then
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#not valid
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return 1
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fi
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_debug "$h"
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response=$(_get "${dns_api}/v2/zones?name=${h}")
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_debug2 "$response"
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if _contains "${response}" '"id"'; then
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zoneidlist=$(echo "${response}" | _egrep_o "\"id\": *\"[^\"]*\"" | cut -d : -f 2 | tr -d \" | tr -d " ")
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zonenamelist=$(echo "${response}" | _egrep_o "\"name\": *\"[^\"]*\"" | cut -d : -f 2 | tr -d \" | tr -d " ")
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_debug2 "Return Zone ID(s):" "${zoneidlist}"
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_debug2 "Return Zone Name(s):" "${zonenamelist}"
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zoneidnum=0
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zoneidcount=$(echo "${zoneidlist}" | grep -c '^')
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_debug "Retund Zone ID(s) Count:" "${zoneidcount}"
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while [ "${zoneidnum}" -lt "${zoneidcount}" ]; do
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zoneidnum=$(_math "$zoneidnum" + 1)
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_zoneid=$(echo "${zoneidlist}" | sed -n "${zoneidnum}p")
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zonename=$(echo "${zonenamelist}" | sed -n "${zoneidnum}p")
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_debug "Check Zone Name" "${zonename}"
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if [ "${zonename}" = "${h}." ]; then
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_debug "Get Zone ID Success."
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_debug "ZoneID:" "${_zoneid}"
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printf "%s" "${_zoneid}"
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return 0
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fi
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done
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fi
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i=$(_math "$i" + 1)
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done
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return 1
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}
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_get_recordset_id() {
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_token=$1
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_domain=$2
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_zoneid=$3
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export _H1="X-Auth-Token: ${_token}"
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response=$(_get "${dns_api}/v2/zones/${_zoneid}/recordsets?name=${_domain}")
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if _contains "${response}" '"id"'; then
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_id="$(echo "${response}" | _egrep_o "\"id\": *\"[^\"]*\"" | cut -d : -f 2 | tr -d \" | tr -d " ")"
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printf "%s" "${_id}"
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return 0
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fi
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printf "%s" "0"
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return 1
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}
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_add_record() {
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_token=$1
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_domain=$2
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_txtvalue=$3
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# Get Existing Records
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export _H1="X-Auth-Token: ${_token}"
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response=$(_get "${dns_api}/v2/zones/${zoneid}/recordsets?name=${_domain}")
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_debug2 "${response}"
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_exist_record=$(echo "${response}" | _egrep_o '"records":[^]]*' | sed 's/\"records\"\:\[//g')
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_debug "${_exist_record}"
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# Check if record exist
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# Generate body data
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if [ -z "${_exist_record}" ]; then
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_post_body="{
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\"name\": \"${_domain}.\",
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\"description\": \"ACME Challenge\",
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\"type\": \"TXT\",
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\"ttl\": 1,
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\"records\": [
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\"\\\"${_txtvalue}\\\"\"
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]
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}"
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else
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_post_body="{
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\"name\": \"${_domain}.\",
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\"description\": \"ACME Challenge\",
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\"type\": \"TXT\",
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\"ttl\": 1,
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\"records\": [
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${_exist_record},
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\"\\\"${_txtvalue}\\\"\"
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]
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}"
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fi
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_record_id="$(_get_recordset_id "${_token}" "${_domain}" "${zoneid}")"
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_debug "Record Set ID is:" "${_record_id}"
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# Remove all records
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while [ "${_record_id}" != "0" ]; do
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_debug "Removing Record"
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_rm_record "${_token}" "${zoneid}" "${_record_id}"
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_record_id="$(_get_recordset_id "${_token}" "${_domain}" "${zoneid}")"
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done
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# Add brand new records with all old and new records
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export _H2="Content-Type: application/json"
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export _H1="X-Auth-Token: ${_token}"
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_debug2 "${_post_body}"
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_post "${_post_body}" "${dns_api}/v2/zones/${zoneid}/recordsets" >/dev/null
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_code="$(grep "^HTTP" "$HTTP_HEADER" | _tail_n 1 | cut -d " " -f 2 | tr -d "\\r\\n")"
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if [ "$_code" != "202" ]; then
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_err "dns_huaweicloud: http code ${_code}"
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return 1
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fi
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return 0
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}
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# _rm_record $token $zoneid $recordid
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# assume ${dns_api} exist
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# no output
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# return 0
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_rm_record() {
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_token=$1
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_zone_id=$2
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_record_id=$3
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export _H2="Content-Type: application/json"
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export _H1="X-Auth-Token: ${_token}"
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_post "" "${dns_api}/v2/zones/${_zone_id}/recordsets/${_record_id}" false "DELETE" >/dev/null
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return $?
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}
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_get_token() {
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_username=$1
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_password=$2
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_domain_name=$3
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_debug "Getting Token"
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body="{
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\"auth\": {
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\"identity\": {
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\"methods\": [
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\"password\"
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],
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\"password\": {
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\"user\": {
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\"name\": \"${_username}\",
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\"password\": \"${_password}\",
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\"domain\": {
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\"name\": \"${_domain_name}\"
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}
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}
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}
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},
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\"scope\": {
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\"project\": {
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\"name\": \"ap-southeast-1\"
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}
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}
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}
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}"
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export _H1="Content-Type: application/json;charset=utf8"
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_post "${body}" "${iam_api}/v3/auth/tokens" >/dev/null
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_code=$(grep "^HTTP" "$HTTP_HEADER" | _tail_n 1 | cut -d " " -f 2 | tr -d "\\r\\n")
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_token=$(grep "^X-Subject-Token" "$HTTP_HEADER" | cut -d " " -f 2-)
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_secure_debug "${_code}"
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printf "%s" "${_token}"
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return 0
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}
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