CNAME 및 Target

target.example.com.  IN  CNAME  cnamecustomer.tt.omtrdc.net.

function adobeTargetCnameValidation {
  local hostname="$1"
  if [ -z "$hostname" ]; then
    echo "ERROR: no hostname specified"
    return 1
  fi

  local service="Adobe Target CNAME implementation"
  local edges="31 32 34 35 36 37 38"
  local edgeDomain="tt.omtrdc.net"
  local edgeFormat="mboxedge%d%s.$edgeDomain"
  local shardFormat="-alb%02d"
  local shards=5
  local shardsFoundCount=0
  local shardsFound
  local shardsFoundOutput
  local curlRegex="subject:.*CN=|expire date:|issuer:"
  local curlValidation="SSL certificate verify ok"
  local curlResponseValidation='"OK"'
  local curlEndpoint="/uptime?mboxClient=uptime3"
  local url="https://$hostname$curlEndpoint"
  local sslLabsUrl="https://ssllabs.com/ssltest/analyze.html?hideResults=on&latest&d=$hostname"
  local success="✅"
  local failure="🚫"
  local info="🔎"
  local rule="="
  local horizontalRule="$(seq ${COLUMNS:-30} | xargs printf "$rule%.0s")"
  local miniRule="$(seq 5 | xargs printf "$rule%.0s")"
  local curlVersion="$(curl --version | head -1 | cut -d' ' -f2 )"
  local curlVersionRequired=">=7.49"
  local edgeCount="$(wc -w <<< "$edges" | tr -d ' ')"
  local edge
  local shard
  local currEdgeShard
  local dnsOutput
  local cnameExists
  local endToEndTestSucceeded
  local curlResult

  for shard in $(seq $shards); do
    if [ "$shardsFoundCount" -eq 0 ]; then
      for edge in $edges; do
        if [ "$shard" -eq 1 ]; then
          currEdgeShard="$(printf "$edgeFormat" "$edge" "")"
        else
          currEdgeShard="$(
            printf "$edgeFormat" "$edge" "$(
              printf -- "$shardFormat" "$shard"
            )"
          )"
        fi
        curlResult="$(curl -vsm20 --connect-to "$hostname:443:$currEdgeShard:443" "$url" 2>&1)"
        if grep -q "$curlValidation" <<< "$curlResult"; then
          shardsFound+=" $currEdgeShard"
          if grep -q "$curlResponseValidation" <<< "$curlResult"; then
            shardsFoundCount=$((shardsFoundCount+1))
            shardsFoundOutput+="\n\n$miniRule $success $hostname [edge shard: $currEdgeShard] $miniRule\n"
          else
            shardsFoundOutput+="\n\n$miniRule $failure $hostname [edge shard: $currEdgeShard] $miniRule\n"
          fi
          shardsFoundOutput+="$(grep -E "$curlRegex" <<< "$curlResult" | sort)"
          if ! grep -q "$curlResponseValidation" <<< "$curlResult"; then
            shardsFoundOutput+="\nERROR: unexpected HTTP response from this shard using $url"
          fi
        fi
      done
    fi
  done

  echo
  echo "$horizontalRule"
  echo
  echo "$service validation for hostname $hostname:"
  dnsOutput="$(dig -t CNAME +short "$hostname" 2>&1)"
  if grep -qFi ".$edgeDomain" <<< "$dnsOutput"; then
    echo "$success $hostname passes DNS CNAME validation"
    cnameExists=true
  else
    echo -n "$failure $hostname FAILED DNS CNAME validation -- "
    if [ -n "$dnsOutput" ]; then
      echo -e "$dnsOutput is not in the subdomain $edgeDomain"
    else
      echo "required DNS CNAME record pointing to <target-client-code>.$edgeDomain not found"
    fi
  fi

  curlResult="$(curl -vsm20 "$url" 2>&1)"
  if grep -q "$curlValidation" <<< "$curlResult"; then
    if grep -q "$curlResponseValidation" <<< "$curlResult"; then
      echo -en "$success $hostname passes TLS and HTTP response validation"
      if [ -n "$cnameExists" ]; then
        echo
      else
        echo " -- the DNS CNAME is not pointing to the correct subdomain for ${service}s with Adobe-managed certificates" \
          "(bring-your-own-certificate implementations don't have this requirement), but this test passes as configured"
      fi
      endToEndTestSucceeded=true
    else
      echo -n "$failure $hostname FAILED HTTP response validation --" \
        "unexpected response from $url -- "
      if [ -n "$cnameExists" ]; then
        echo "DNS is NOT pointing to the correct shard, notify Adobe Client Care"
      else
        echo "the required DNS CNAME record is missing, see above"
      fi
    fi
  else

    echo -n "$failure $hostname FAILED TLS validation -- "
    if [ -n "$cnameExists" ]; then
      echo "DNS is likely NOT pointing to the correct shard or there's a validation issue with the certificate or" \
        "protocols, see curl output below and optionally SSL Labs ($sslLabsUrl):"
      echo ""
      echo "$horizontalRule"
      echo "$curlResult" | sed 's/^/    /g'
      echo "$horizontalRule"
      echo ""
    else
      echo "the required DNS CNAME record is missing, see above"
    fi
  fi

  if [ "$shardsFoundCount" -ge "$edgeCount" ]; then
    echo -n "$success $hostname passes shard validation for the following $shardsFoundCount edge shards:"
    echo -e "$shardsFoundOutput"
    echo

    if [ -n "$cnameExists" ] && [ -n "$endToEndTestSucceeded" ]; then
      echo "$horizontalRule"
      echo ""
      echo "  For additional TLS/SSL validation, including detailed browser/client support,"
      echo "  see SSL Labs (click the first IP address if prompted):"
      echo ""
      echo "    $info  $sslLabsUrl"
      echo ""
      echo "  To check DNS propagation around the world, see whatsmydns.net:"
      echo ""
      echo "    $info  DNS A records:     https://whatsmydns.net/#A/$hostname"
      echo "    $info  DNS CNAME record:  https://whatsmydns.net/#CNAME/$hostname"
    fi
  else
    echo -n "$failure $hostname FAILED shard validation -- shards found: $shardsFoundCount," \
      "expected: $edgeCount"
    if bc -l <<< "$(cut -d. -f1,2 <<< "$curlVersion") $curlVersionRequired" 2>/dev/null | grep -q 0; then
      echo -n " -- insufficient curl version installed: $curlVersion, but this script requires curl version" \
        "$curlVersionRequired because it uses the curl --connect-to flag to bypass DNS and directly test" \
        "each Adobe Target edge shards' SNI confirguation for $hostname"
    fi
    if [ -n "$shardsFoundOutput" ]; then
      echo -e ":\n$shardsFoundOutput"
    fi
    echo
  fi
  echo
  echo "$horizontalRule"
  echo
}

adobeTargetCnameValidation target.example.com

$ adobeTargetCnameValidation target.example.com

==========================================================

Adobe Target CNAME implementation validation for hostname target.example.com:
✅ target.example.com passes DNS CNAME validation
✅ target.example.com passes TLS and HTTP response validation
✅ target.example.com passes shard validation for the following 7 edge shards:

===== ✅ target.example.com [edge shard: mboxedge31-alb02.tt.omtrdc.net] =====
*  expire date: Jul 22 23:59:59 2022 GMT
*  issuer: C=US; O=DigiCert Inc; CN=DigiCert TLS RSA SHA256 2020 CA1
*  subject: C=US; ST=California; L=San Jose; O=Adobe Systems Incorporated; CN=target.example.com

===== ✅ target.example.com [edge shard: mboxedge32-alb02.tt.omtrdc.net] =====
*  expire date: Jul 22 23:59:59 2022 GMT
*  issuer: C=US; O=DigiCert Inc; CN=DigiCert TLS RSA SHA256 2020 CA1
*  subject: C=US; ST=California; L=San Jose; O=Adobe Systems Incorporated; CN=target.example.com

===== ✅ target.example.com [edge shard: mboxedge34-alb02.tt.omtrdc.net] =====
*  expire date: Jul 22 23:59:59 2022 GMT
*  issuer: C=US; O=DigiCert Inc; CN=DigiCert TLS RSA SHA256 2020 CA1
*  subject: C=US; ST=California; L=San Jose; O=Adobe Systems Incorporated; CN=target.example.com

===== ✅ target.example.com [edge shard: mboxedge35-alb02.tt.omtrdc.net] =====
*  expire date: Jul 22 23:59:59 2022 GMT
*  issuer: C=US; O=DigiCert Inc; CN=DigiCert TLS RSA SHA256 2020 CA1
*  subject: C=US; ST=California; L=San Jose; O=Adobe Systems Incorporated; CN=target.example.com

===== ✅ target.example.com [edge shard: mboxedge36-alb02.tt.omtrdc.net] =====
*  expire date: Jul 22 23:59:59 2022 GMT
*  issuer: C=US; O=DigiCert Inc; CN=DigiCert TLS RSA SHA256 2020 CA1
*  subject: C=US; ST=California; L=San Jose; O=Adobe Systems Incorporated; CN=target.example.com

===== ✅ target.example.com [edge shard: mboxedge37-alb02.tt.omtrdc.net] =====
*  expire date: Jul 22 23:59:59 2022 GMT
*  issuer: C=US; O=DigiCert Inc; CN=DigiCert TLS RSA SHA256 2020 CA1
*  subject: C=US; ST=California; L=San Jose; O=Adobe Systems Incorporated; CN=target.example.com

===== ✅ target.example.com [edge shard: mboxedge38-alb02.tt.omtrdc.net] =====
*  expire date: Jul 22 23:59:59 2022 GMT
*  issuer: C=US; O=DigiCert Inc; CN=DigiCert TLS RSA SHA256 2020 CA1
*  subject: C=US; ST=California; L=San Jose; O=Adobe Systems Incorporated; CN=target.example.com

==========================================================

  For additional TLS/SSL validation, including detailed browser/client support,
  see SSL Labs (click the first IP address if prompted):

    🔎  https://ssllabs.com/ssltest/analyze.html?hideResults=on&latest&d=target.example.com

  To check DNS propagation around the world, see whatsmydns.net:

    🔎  DNS A records:     https://whatsmydns.net/#A/target.example.com
    🔎  DNS CNAME record:  https://whatsmydns.net/#CNAME/target.example.com

==========================================================