Create migration to remove ip fields from entries table

Author: matboehm

migrations/20200122150107-remove-ip-fields.js

@@ -0,0 +1,63 @@
+'use strict';
+
+var dbm;
+var type;
+var seed;
+
+/**
+ * We receive the dbmigrate dependency from dbmigrate initially.
+ * This enables us to not have to rely on NODE_PATH.
+ */
+exports.setup = function (options, seedLink) {
+    dbm = options.dbmigrate;
+    type = dbm.dataType;
+    seed = seedLink;
+};
+
+exports.up = function (db, callback) {
+    db.removeColumn(
+        'entries',
+        'ipv4',
+        function (err) {
+            if (err) return callback(err);
+            return callback();
+        });
+    db.removeColumn(
+        'entries',
+        'ipv6',
+        function (err) {
+            if (err) return callback(err);
+            return callback();
+        });
+};
+
+exports.down = function (db, callback) {
+    db.addColumn(
+        'entries',
+        'ipv4',
+        {
+            type: 'string',
+            length: 30,
+            defaultValue: null,
+        },
+        function (err) {
+            if (err) return callback(err);
+            return callback();
+        });
+    db.addColumn(
+        'entries',
+        'ipv6',
+        {
+            type: 'string',
+            length: 60,
+            defaultValue: null,
+        },
+        function (err) {
+            if (err) return callback(err);
+            return callback();
+        });
+};
+
+exports._meta = {
+    'version': 1
+};