From d344051cd06d78e574c947499eb95427393c6db7 Mon Sep 17 00:00:00 2001
From: Luiz Gustavo Nascimento <luizgn@gmail.com>
Date: Fri, 31 Mar 2017 19:29:21 +0000
Subject: [PATCH] Add dnsapi integration for IBM Bluemix (formerly SoftLayer)

---
 dnsapi/dns_bluemix.sh | 195 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 195 insertions(+)
 create mode 100755 dnsapi/dns_bluemix.sh

diff --git a/dnsapi/dns_bluemix.sh b/dnsapi/dns_bluemix.sh
new file mode 100755
index 00000000..d93d5b14
--- /dev/null
+++ b/dnsapi/dns_bluemix.sh
@@ -0,0 +1,195 @@
+#!/usr/bin/env sh
+#
+# DNS Integration for IBM Bluemix (formerly SoftLayer)
+#
+# Author: luizgn
+# Based on sample from Neilpang
+# Report Bugs here: https://github.com/Neilpang/acme.sh
+#
+########  Public functions #####################
+
+domainId=
+domain=
+host=
+recordId=
+
+dns_bluemix_add() {
+  fulldomain=$1
+  txtvalue=$2
+
+  _info "Attempting to add ${fulldomain} with ${txtvalue} into Bluemix's DNS."
+
+  # Curl is required
+  if ! type curl >/dev/null; then
+    _err "curl missing. Please isntall curl"
+    return 1
+  fi
+
+  # BLUEMIX_USER is required
+  if [[ "${BLUEMIX_USER}" == "" ]]; then
+    _err "Environment variable BLUEMIX_USER not defined"
+    return 1
+  fi
+
+  # BLUEMIX_KEY is required
+  if [[ "${BLUEMIX_KEY}" == "" ]]; then
+    _err "Environment variable BLUEMIX_KEY not defined"
+    return 1
+  fi
+
+  # Get right domain and domain id
+  getDomain ${fulldomain}
+
+  # Did we find domain?
+  if [[ "${domain}" == "" ]]; then
+    return 1
+  fi
+
+  # Check if this DNS entry already exists
+  getRecordId "${domainId}" "${host}"
+
+  if [[ "${recordId}" == "" ]]; then
+    # Create record if it doesn't exist
+    createTxtRecord "${domainId}" "${host}" "${txtvalue}"
+  else
+    # Update Record if it already exists
+    updateTxtRecord "${recordId}" "${txtvalue}"
+  fi
+
+
+  return 0
+}
+
+#Usage: fulldomain txtvalue
+#Remove the txt record after validation.
+dns_bluemix_rm() {
+  fulldomain=$1
+
+  _info "Attempting to delete ${fulldomain} from Bluemix"
+
+  # Curl is required
+  if ! type curl >/dev/null; then
+    _err "curl missing. Please isntall curl"
+    return 1
+  fi
+
+  # BLUEMIX_USER is required
+  if [[ "${BLUEMIX_USER}" == "" ]]; then
+    _err "Environment variable BLUEMIX_USER not defined"
+    return 1
+  fi
+
+  # BLUEMIX_KEY is required
+  if [[ "${BLUEMIX_KEY}" == "" ]]; then
+    _err "Environment variable BLUEMIX_KEY not defined"
+    return 1
+  fi
+
+  # Get Domain ID
+  getDomain ${fulldomain}
+
+  if [[ "${domain}" == "" ]]; then
+    return 1
+  fi
+
+  # Get DNS entry in this Domain
+  getRecordId "${domainId}" "${host}"
+
+  if [[ "${recordId}" == "" ]]; then
+    _info "recordId for ${fulldomain} not found."
+    return 1
+  fi
+
+  # Remove record
+  deleteRecordId "${recordId}"
+
+  return 0
+
+}
+
+####################  Private functions below ##################################
+
+function getDomain {
+  fulldomain=$1
+
+  output=$(curl -s -X GET "https://${BLUEMIX_USER}:${BLUEMIX_KEY}@api.softlayer.com/rest/v3/SoftLayer_Account/getDomains")
+
+  if echo "${output}" | grep '"error":"Access Denied. "' >/dev/null; then
+    _err "Access Denied, check BLUEMIX_USER and BLUEMIX_KEY environment variables. Details: ${output}"
+    return 1
+  fi
+
+  for domain_item in $(echo "${output}" | awk 'BEGIN{RS=","}/"name"/' | cut -f4 -d'"'); do
+    if echo "${fulldomain}" | grep "${domain_item}$" >/dev/null; then
+      domain="${domain_item}"
+      break
+    fi
+  done
+
+  if [[ "${domain}" == "" ]]; then
+    _err "Domain for ${fulldomain} was not found in this Bluemix account"
+    return 1
+  fi
+
+  domainId=$(echo "${output}" | awk -v DOMAIN=${domain} 'BEGIN{RS=",";FS=":"}{if($1~"\"id\""){id=$2}else if($1~"\"name\""){split($2,d,"\"");domain=d[2];} if($0~/\}$/ && domain==DOMAIN){print id}}')
+
+  host=$(echo "${fulldomain}" | sed "s/\.${domain}\$//g")
+  
+  _debug "Host is ${host}, domain is ${domain} and domain id is ${domainId}"
+
+}
+
+function getRecordId {
+  domainId=$1
+  host=$2
+
+  output=$(curl -s -X GET "https://${BLUEMIX_USER}:${BLUEMIX_KEY}@api.softlayer.com/rest/v3/SoftLayer_Dns_Domain/${domainId}/getResourceRecords")
+
+  recordId=$(echo "${output}" | awk -v HOST=${host} 'BEGIN{RS=",";FS=":"}{if($1=="\"host\""){host=$2}else if($1=="\"id\""){id=$2} if($0~/[\}|\]]$/ && host==("\"" HOST "\"")){print id}}')
+
+  _debug "RecordId is ${recordId}"
+
+}
+
+function createTxtRecord {
+  domainId=$1
+  host=$2
+  txtvalue=$3
+
+  output=$(curl -s -X POST -d "{\"parameters\":[{\"host\":\"${host}\",\"data\":\"${txtvalue}\",\"ttl\":\"900\",\"type\":\"txt\",\"domainId\":\"${domainId}\"}]}" \
+    "https://${BLUEMIX_USER}:${BLUEMIX_KEY}@api.softlayer.com/rest/v3/SoftLayer_Dns_Domain_ResourceRecord")
+
+  if echo "${output}" | grep '^\{"error"' >/dev/null; then
+    _err "Error adding ${fulldomain} in Bluemix's DNS. Details: ${output}"
+  else
+    _info "${fulldomain} added into Bluemix's DNS."
+    _debug ${output}
+  fi
+}
+
+function updateTxtRecord {
+  recordId=$1
+  txtvalue=$2
+
+  output=$(curl -s -X PUT -d "{\"parameters\":[{\"data\":\"${txtvalue}\"}]}" \
+    "https://${BLUEMIX_USER}:${BLUEMIX_KEY}@api.softlayer.com/rest/v3/SoftLayer_Dns_Domain_ResourceRecord/${recordId}")
+
+  if echo "${output}" | grep '^\{"error"' >/dev/null; then
+    _err "Error adding ${fulldomain} in Bluemix's DNS. Details: ${output}"
+  else
+    _info "${fulldomain} updated in Bluemix's DNS."
+  fi
+}
+
+function deleteRecordId {
+  recordId=$1
+
+  output=$(curl -s -X DELETE "https://${BLUEMIX_USER}:${BLUEMIX_KEY}@api.softlayer.com/rest/v3/SoftLayer_Dns_Domain_ResourceRecord/${recordId}")
+ 
+  if [[ "${output}" == "true" ]]; then
+    _info "${fulldomain} deleted from Bluemix's DNS."
+  else
+    _err "Error deleting ${fulldomain}. Details: ${output}."
+  fi
+}
+