Pull request: querylog: search clients by name, enrich http resp

Updates #1273.

Squashed commit of the following:

commit 55b78153b1b775c855e759011141bbbe6d4b962c
Author: Artem Baskal <a.baskal@adguard.com>
Date:   Fri Apr 2 16:55:39 2021 +0300

    Update client_info in case of null

commit 5c80c1438ed9d961af11617831b704d6ae15cc34
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Apr 2 16:24:14 2021 +0300

    querylog: always set client_info

commit b48efd64d757cc0bcf5b34de22fdd0b0464d98a6
Merge: 4ed7eab5 23c9f528
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Apr 2 16:22:08 2021 +0300

    Merge branch 'master' into 1273-querylog-client-name

commit 4ed7eab52b6b5b0c0ddb5aa5a3225a62d1f9265b
Merge: dbf990eb 70d4c70e
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Apr 2 12:57:17 2021 +0300

    Merge branch 'master' into 1273-querylog-client-name

commit dbf990eb881116754554270e7b691b5db8e9ee34
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Apr 2 12:56:13 2021 +0300

    home: imp names

commit c2cfdef494ca26fff62b9fa008f1b389d9d4d46b
Author: Artem Baskal <a.baskal@adguard.com>
Date:   Thu Apr 1 19:26:04 2021 +0300

    Rename to whois

commit e3cc4a68ee576770b1922680155308e33bed31e8
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Apr 1 19:03:42 2021 +0300

    home: imp whois more

commit 3b8ef8691c298aff35946b35923ef2e5b1f9bbbe
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Apr 1 18:51:14 2021 +0300

    home: imp whois resp

commit fb97e0d74976723a512d6ff4c69e830fe59c8df8
Author: Artem Baskal <a.baskal@adguard.com>
Date:   Thu Apr 1 18:00:03 2021 +0300

    Fix client_info ids prop types

commit 298005189e372651ceff453e88aca19ee925a138
Author: Artem Baskal <a.baskal@adguard.com>
Date:   Thu Apr 1 17:58:14 2021 +0300

    Adapt changes on client

commit aa1769f64197d865478a66271da483babfc5dfd0
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Apr 1 17:18:36 2021 +0300

    all: add more fields to querylog client

commit 4b2a2dbd380ec410f3068d15ea16430912e03e33
Merge: cda92c3f 2e4e2f62
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Apr 1 16:57:26 2021 +0300

    Merge branch 'master' into 1273-querylog-client-name

commit cda92c3f0331cbac252f3163d31457f716bc7f2c
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Mon Mar 29 18:03:51 2021 +0300

    querylog: fix windows tests

commit 5a56f0a32608869ed93a38f18f63ea3a20f7bde2
Merge: 627e4958 e710ce11
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Mon Mar 29 17:45:53 2021 +0300

    Merge branch 'master' into 1273-querylog-client-name

commit 627e495828e82d44cc77aa393536479f23cc68b7
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Mon Mar 29 17:44:49 2021 +0300

    querylog: add tests, imp code, docs

commit 6dec468a2f0c29357875ff99458e0e8f8e580e6d
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Mar 26 16:10:47 2021 +0300

    querylog: search clients by name, enrich http resp

openapi/openapi.yaml

@@ -1815,6 +1815,8 @@
             The client ID, if provided in DOH, DOQ, or DOT.
           'example': 'cli123'
           'type': 'string'
+        'client_info':
+          '$ref': '#/components/schemas/QueryLogItemClient'
         'client_proto':
           'enum':
           - 'dot'
@@ -1876,6 +1878,58 @@
           'type': 'string'
           'description': 'DNS request processing start time'
           'example': '2018-11-26T00:02:41+03:00'
+    'QueryLogItemClient':
+      'description': >
+        Client information for a query log item.
+      'properties':
+        'disallowed':
+          'type': 'boolean'
+          'description': >
+            Whether the client's IP is blocked or not.
+        'disallowed_rule':
+          'type': 'string'
+          'description': >
+            The rule due to which the client is disallowed.  If disallowed is
+            set to true, and this string is empty, then the client IP is
+            disallowed by the "allowed IP list", that is it is not included in
+            the allowed list.
+        'ids':
+          'description': >
+            IP, CIDR, MAC, or client ID.
+          'items':
+            'type': 'string'
+          'type': 'array'
+        'name':
+          'description': >
+            Persistent client's name or an empty string if this is a runtime
+            client.
+          'type': 'string'
+        'whois':
+          '$ref': '#/components/schemas/QueryLogItemClientWhois'
+      'required':
+      - 'disallowed'
+      - 'disallowed_rule'
+      - 'ids'
+      - 'name'
+      - 'whois'
+      'type': 'object'
+    'QueryLogItemClientWhois':
+      'description': >
+        Client WHOIS information, if any.
+      'properties':
+        'city':
+          'description': >
+            City, if any.
+          'type': 'string'
+        'country':
+          'description': >
+            Country, if any.
+          'type': 'string'
+        'orgname':
+          'description': >
+            Organization name, if any.
+          'type': 'string'
+      'type': 'object'
     'QueryLog':
       'type': 'object'
       'description': 'Query log'
@@ -2205,7 +2259,7 @@
         'use_global_blocked_services': true
         'blocked_services': null
         'upstreams': null
-        'whois_info': null
+        'whois_info': {}
         'disallowed': false
         'disallowed_rule': ''
       - '1.2.3.4':
@@ -2219,7 +2273,7 @@
         'use_global_blocked_services': true
         'blocked_services': null
         'upstreams': null
-        'whois_info': null
+        'whois_info': {}
         'disallowed': false
         'disallowed_rule': ''
     'AccessListResponse':