From: Radoslaw Zarzynski <rzarzynski@mirantis.com>
Date: Tue, 2 Feb 2016 16:05:23 +0000 (+0100)
Subject: rgw: basic data structures for Keystone v3.
X-Git-Tag: v10.1.0~352^2~11
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=38ee66143e6f7557a608114220df63a964584946;p=ceph.git

rgw: basic data structures for Keystone v3.

The change has been extracted from changeset proposed
in commit af71f6a518529ea6cccb25bd46da2b6d1458c1da by
Mark Barnes <mark.barnes@ocado.com> (lperiquito).

Signed-off-by: Mark Barnes <mark.barnes@ocado.com>
Signed-off-by: Radoslaw Zarzynski <rzarzynski@mirantis.com>
---

diff --git a/src/common/config_opts.h b/src/common/config_opts.h
index 160ed36cb018..5a6d1ce3a49f 100644
--- a/src/common/config_opts.h
+++ b/src/common/config_opts.h
@@ -1185,7 +1185,10 @@ OPTION(rgw_keystone_url, OPT_STR, "")  // url for keystone server
 OPTION(rgw_keystone_admin_token, OPT_STR, "")  // keystone admin token (shared secret)
 OPTION(rgw_keystone_admin_user, OPT_STR, "")  // keystone admin user name
 OPTION(rgw_keystone_admin_password, OPT_STR, "")  // keystone admin user password
-OPTION(rgw_keystone_admin_tenant, OPT_STR, "")  // keystone admin user tenant
+OPTION(rgw_keystone_admin_tenant, OPT_STR, "")  // keystone admin user tenant (for keystone v2.0)
+OPTION(rgw_keystone_admin_project, OPT_STR, "")  // keystone admin user project (for keystone v3)
+OPTION(rgw_keystone_admin_domain, OPT_STR, "")  // keystone admin user domain
+OPTION(rgw_keystone_api_version, OPT_STR, "2.0") // Version of Keystone API to use ("2.0" or "3")
 OPTION(rgw_keystone_accepted_roles, OPT_STR, "Member, admin")  // roles required to serve requests
 OPTION(rgw_keystone_token_cache_size, OPT_INT, 10000)  // max number of entries in keystone token cache
 OPTION(rgw_keystone_revocation_interval, OPT_INT, 15 * 60)  // seconds between tokens revocation check
diff --git a/src/rgw/rgw_json_enc.cc b/src/rgw/rgw_json_enc.cc
index 03eeac6c314d..182bf6bdd57d 100644
--- a/src/rgw/rgw_json_enc.cc
+++ b/src/rgw/rgw_json_enc.cc
@@ -1048,42 +1048,13 @@ void RGWRealm::decode_json(JSONObj *obj)
   JSONDecoder::decode_json("epoch", epoch, obj);
 }
 
-void KeystoneToken::Metadata::decode_json(JSONObj *obj)
-{
-  JSONDecoder::decode_json("is_admin", is_admin, obj);
-}
-
-void KeystoneToken::Service::Endpoint::decode_json(JSONObj *obj)
-{
-  JSONDecoder::decode_json("id", id, obj);
-  JSONDecoder::decode_json("adminURL", admin_url, obj);
-  JSONDecoder::decode_json("publicURL", public_url, obj);
-  JSONDecoder::decode_json("internalURL", internal_url, obj);
-  JSONDecoder::decode_json("region", region, obj);
-}
-
-void KeystoneToken::Service::decode_json(JSONObj *obj)
-{
-  JSONDecoder::decode_json("type", type, obj, true);
-  JSONDecoder::decode_json("name", name, obj, true);
-  JSONDecoder::decode_json("endpoints", endpoints, obj);
-}
-
-void KeystoneToken::Token::Tenant::decode_json(JSONObj *obj)
-{
-  JSONDecoder::decode_json("id", id, obj, true);
-  JSONDecoder::decode_json("name", name, obj, true);
-  JSONDecoder::decode_json("description", description, obj);
-  JSONDecoder::decode_json("enabled", enabled, obj);
-}
-
 void KeystoneToken::Token::decode_json(JSONObj *obj)
 {
   string expires_iso8601;
   struct tm t;
 
   JSONDecoder::decode_json("id", id, obj, true);
-  JSONDecoder::decode_json("tenant", tenant, obj, true);
+  JSONDecoder::decode_json("tenant", tenant_v2, obj, true);
   JSONDecoder::decode_json("expires", expires_iso8601, obj, true);
 
   if (parse_iso8601(expires_iso8601.c_str(), &t)) {
@@ -1094,26 +1065,59 @@ void KeystoneToken::Token::decode_json(JSONObj *obj)
   }
 }
 
-void KeystoneToken::User::Role::decode_json(JSONObj *obj)
+void KeystoneToken::Role::decode_json(JSONObj *obj)
 {
-  JSONDecoder::decode_json("id", id, obj);
-  JSONDecoder::decode_json("name", name, obj);
+  JSONDecoder::decode_json("id", id, obj, true);
+  JSONDecoder::decode_json("name", name, obj, true);
+}
+
+void KeystoneToken::Domain::decode_json(JSONObj *obj)
+{
+  JSONDecoder::decode_json("id", id, obj, true);
+  JSONDecoder::decode_json("name", name, obj, true);
+}
+
+void KeystoneToken::Project::decode_json(JSONObj *obj)
+{
+  JSONDecoder::decode_json("id", id, obj, true);
+  JSONDecoder::decode_json("name", name, obj, true);
+  JSONDecoder::decode_json("domain", domain, obj);
 }
 
 void KeystoneToken::User::decode_json(JSONObj *obj)
 {
   JSONDecoder::decode_json("id", id, obj, true);
-  JSONDecoder::decode_json("name", name, obj);
-  JSONDecoder::decode_json("username", user_name, obj, true);
-  JSONDecoder::decode_json("roles", roles, obj);
+  JSONDecoder::decode_json("name", name, obj, true);
+  JSONDecoder::decode_json("domain", domain, obj);
+  JSONDecoder::decode_json("roles", roles_v2, obj);
 }
 
-void KeystoneToken::decode_json(JSONObj *access_obj)
+void KeystoneToken::decode_json(JSONObj *root_obj)
 {
-  JSONDecoder::decode_json("metadata", metadata, access_obj);
-  JSONDecoder::decode_json("token", token, access_obj, true);
-  JSONDecoder::decode_json("user", user, access_obj, true);
-  JSONDecoder::decode_json("serviceCatalog", service_catalog, access_obj);
+  if (version == "2.0") {
+    JSONDecoder::decode_json("token", token, root_obj, true);
+  }
+  if (version == "3") {
+    string expires_iso8601;
+    struct tm t;
+
+    JSONDecoder::decode_json("expires_at", expires_iso8601, root_obj, true);
+
+    if (parse_iso8601(expires_iso8601.c_str(), &t)) {
+      token.expires = timegm(&t);
+    } else {
+      token.expires = 0;
+      throw JSONDecoder::err("Failed to parse ISO8601 expiration date from Keystone response.");
+    }
+    JSONDecoder::decode_json("roles", roles, root_obj, true);
+    JSONDecoder::decode_json("project", project, root_obj, true);
+  }
+
+  JSONDecoder::decode_json("user", user, root_obj, true);
+  if (version == "2.0") {
+    roles = user.roles_v2;
+    project = token.tenant_v2;
+  }
 }
 
 void rgw_slo_entry::decode_json(JSONObj *obj)
diff --git a/src/rgw/rgw_keystone.cc b/src/rgw/rgw_keystone.cc
index 7c5d206390f9..5188ec81b5a7 100644
--- a/src/rgw/rgw_keystone.cc
+++ b/src/rgw/rgw_keystone.cc
@@ -14,7 +14,7 @@
 
 #define dout_subsys ceph_subsys_rgw
 
-bool KeystoneToken::User::has_role(const string& r) {
+bool KeystoneToken::has_role(const string& r) {
   list<Role>::iterator iter;
   for (iter = roles.begin(); iter != roles.end(); ++iter) {
       if (fnmatch(r.c_str(), ((*iter).name.c_str()), 0) == 0) {
@@ -33,7 +33,12 @@ int KeystoneToken::parse(CephContext *cct, bufferlist& bl)
   }
 
   try {
-    JSONDecoder::decode_json("access", *this, &parser);
+    if (version == "2.0") {
+      JSONDecoder::decode_json("access", *this, &parser);
+    }
+    if (version == "3") {
+      JSONDecoder::decode_json("token", *this, &parser);
+    }
   } catch (JSONDecoder::err& err) {
     ldout(cct, 0) << "Keystone token parse error: " << err.message << dendl;
     return -EINVAL;
diff --git a/src/rgw/rgw_keystone.h b/src/rgw/rgw_keystone.h
index a9600acaac87..291947561405 100644
--- a/src/rgw/rgw_keystone.h
+++ b/src/rgw/rgw_keystone.h
@@ -7,78 +7,70 @@
 #include "rgw_common.h"
 
 class KeystoneToken {
+protected:
+  string version;
+
 public:
-  class Metadata {
+  class Domain {
   public:
-    Metadata() : is_admin(false) { }
-    bool is_admin;
+    string id;
+    string name;
     void decode_json(JSONObj *obj);
   };
-
-  class Service {
+  class Project {
   public:
-    class Endpoint {
-    public:
-      string id;
-      string admin_url;
-      string public_url;
-      string internal_url;
-      string region;
-      void decode_json(JSONObj *obj);
-    };
-    string type;
+    Domain domain;
+    string id;
     string name;
-    list<Endpoint> endpoints;
     void decode_json(JSONObj *obj);
   };
 
   class Token {
   public:
     Token() : expires(0) { }
-    class Tenant {
-    public:
-      Tenant() : enabled(false) { }
-      string id;
-      string name;
-      string description;
-      bool enabled;
-      void decode_json(JSONObj *obj);
-    };
     string id;
     time_t expires;
-    Tenant tenant;
+    Project tenant_v2;
+    void decode_json(JSONObj *obj);
+  };
+
+  class Role {
+  public:
+    string id;
+    string name;
     void decode_json(JSONObj *obj);
   };
 
   class User {
   public:
-    class Role {
-    public:
-      string id;
-      string name;
-      void decode_json(JSONObj *obj);
-    };
     string id;
     string name;
-    string user_name;
-    list<Role> roles;
+    Domain domain;
+    list<Role> roles_v2;
     void decode_json(JSONObj *obj);
-    bool has_role(const string& r);
   };
 
-  Metadata metadata;
-  list<Service> service_catalog;
   Token token;
+  Project project;
   User user;
+  list<Role> roles;
 
 public:
-  int parse(CephContext *cct, bufferlist& bl);
-
+  KeystoneToken() : version("") {};
+  KeystoneToken(string _version) : version(_version) {};
+  time_t get_expires() { return token.expires; }
+  string get_domain_id() {return project.domain.id;};
+  string get_domain_name()  {return project.domain.name;};
+  string get_project_id() {return project.id;};
+  string get_project_name() {return project.name;};
+  string get_user_id() {return user.id;};
+  string get_user_name() {return user.name;};
+  bool has_role(const string& r);
   bool expired() {
     uint64_t now = ceph_clock_now(NULL).sec();
-    return (now >= (uint64_t)token.expires);
+    return (now >= (uint64_t)get_expires());
   }
-
+  int parse(CephContext *cct, bufferlist& bl);
   void decode_json(JSONObj *access_obj);
 };