Add transaction report generation code

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=167311547

java/google/registry/reporting/sql/attempted_adds.sql

@@ -0,0 +1,73 @@
+#standardSQL
+  -- Copyright 2017 The Nomulus Authors. All Rights Reserved.
+  --
+  -- Licensed under the Apache License, Version 2.0 (the "License");
+  -- you may not use this file except in compliance with the License.
+  -- You may obtain a copy of the License at
+  --
+  --     http://www.apache.org/licenses/LICENSE-2.0
+  --
+  -- Unless required by applicable law or agreed to in writing, software
+  -- distributed under the License is distributed on an "AS IS" BASIS,
+  -- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  -- See the License for the specific language governing permissions and
+  -- limitations under the License.
+
+  -- Determine the number of attempted adds each registrar made.
+
+  -- Since the specification requests all 'attempted' adds, we regex the
+  -- monthly App Engine logs, searching for all create commands and associating
+  -- them with their corresponding registrars.
+
+  -- Example log generated by FlowReporter in App Engine logs:
+  --google.registry.flows.FlowReporter
+  -- recordToLogs: FLOW-LOG-SIGNATURE-METADATA:
+  --{"serverTrid":"oNwL2J2eRya7bh7c9oHIzg==-2360a","clientId":"ipmirror"
+  -- ,"commandType":"hello", "resourceType":"","flowClassName":"HelloFlow"
+  -- ,"targetId":"","targetIds":[],"tld":"",
+  -- "tlds":[],"icannActivityReportField":""}
+
+-- This outer select just converts the registrar's clientId to their name.
+SELECT
+  tld,
+  registrar_table.registrarName AS registrar_name,
+  'ATTEMPTED_ADDS' AS metricName,
+  count AS metricValue
+FROM (
+  SELECT
+    JSON_EXTRACT_SCALAR(json, '$.tld') AS tld,
+    JSON_EXTRACT_SCALAR(json, '$.clientId') AS clientId,
+    COUNT(json) AS count
+  FROM (
+      -- Extract JSON metadata package from monthly logs
+    SELECT
+      REGEXP_EXTRACT(logMessages, r'FLOW-LOG-SIGNATURE-METADATA: (.*)\n?$')
+          AS json
+    FROM (
+      SELECT
+        protoPayload.resource AS requestPath,
+        ARRAY(
+          SELECT logMessage
+          FROM UNNEST(protoPayload.line)) AS logMessage
+      FROM
+        `%PROJECT_ID%.%APPENGINE_LOGS_DATA_SET%.%REQUEST_TABLE%*`
+      WHERE _TABLE_SUFFIX
+      BETWEEN '%FIRST_DAY_OF_MONTH%'
+      AND '%LAST_DAY_OF_MONTH%')
+    JOIN UNNEST(logMessage) AS logMessages
+    -- Look for metadata logs from epp and registrar console requests
+    WHERE requestPath IN ('/_dr/epp', '/_dr/epptool', '/registrar-xhr')
+    AND STARTS_WITH(logMessages, "%METADATA_LOG_PREFIX%")
+    -- Look for domain creates
+    AND REGEXP_CONTAINS(
+       logMessages, r'"commandType":"create","resourceType":"domain"')
+    -- Filter prober data
+    AND NOT REGEXP_CONTAINS(
+        logMessages, r'"prober-[a-z]{2}-((any)|(canary))"') )
+  GROUP BY tld, clientId ) AS logs_table
+JOIN
+  `%PROJECT_ID%.%DATASTORE_EXPORT_DATA_SET%.%REGISTRAR_TABLE%`
+      AS registrar_table
+ON logs_table.clientId = registrar_table.__key__.name
+ORDER BY tld, registrar_name
+