From 657c068bbd10fb0e1082534c37e33ceb92482fd6 Mon Sep 17 00:00:00 2001
From: Radoslaw Zarzynski <rzarzynski@mirantis.com>
Date: Wed, 6 Apr 2016 19:43:21 +0200
Subject: [PATCH] rgw: ONLY move RGWSwift::get_keystone_{url,admin_token} to
 rgw_keystone.cc.

Signed-off-by: Radoslaw Zarzynski <rzarzynski@mirantis.com>
---
 src/rgw/rgw_keystone.cc | 82 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)

diff --git a/src/rgw/rgw_keystone.cc b/src/rgw/rgw_keystone.cc
index 425f5e5b85460..da35cb18c1ec2 100644
--- a/src/rgw/rgw_keystone.cc
+++ b/src/rgw/rgw_keystone.cc
@@ -152,6 +152,88 @@ KeystoneApiVersion KeystoneService::get_api_version()
   }
 }
 
+int RGWSwift::get_keystone_url(CephContext * const cct,
+                               std::string& url)
+{
+  // FIXME: it seems we don't need RGWGetRevokedToken here
+  bufferlist bl;
+  RGWGetRevokedTokens req(cct, &bl);
+
+  url = cct->_conf->rgw_keystone_url;
+  if (url.empty()) {
+    ldout(cct, 0) << "ERROR: keystone url is not configured" << dendl;
+    return -EINVAL;
+  }
+  if (url[url.size() - 1] != '/')
+    url.append("/");
+  return 0;
+}
+
+int RGWSwift::get_keystone_admin_token(CephContext * const cct,
+                                       std::string& token)
+{
+  std::string token_url;
+
+  if (get_keystone_url(cct, token_url) < 0) {
+    return -EINVAL;
+  }
+
+  if (!cct->_conf->rgw_keystone_admin_token.empty()) {
+    token = cct->_conf->rgw_keystone_admin_token;
+    return 0;
+  }
+
+  KeystoneToken t;
+
+  /* Try cache first. */
+  if (RGWKeystoneTokenCache::get_instance().find_admin(t)) {
+    ldout(cct, 20) << "found cached admin token" << dendl;
+    token = t.token.id;
+    return 0;
+  }
+
+  bufferlist token_bl;
+  RGWGetKeystoneAdminToken token_req(cct, &token_bl);
+  token_req.append_header("Content-Type", "application/json");
+  JSONFormatter jf;
+
+  const auto keystone_version = KeystoneService::get_api_version();
+  if (keystone_version == KeystoneApiVersion::VER_2) {
+    KeystoneAdminTokenRequestVer2 req_serializer(cct);
+    req_serializer.dump(&jf);
+
+    std::stringstream ss;
+    jf.flush(ss);
+    token_req.set_post_data(ss.str());
+    token_req.set_send_length(ss.str().length());
+    token_url.append("v2.0/tokens");
+
+  } else if (keystone_version == KeystoneApiVersion::VER_3) {
+    KeystoneAdminTokenRequestVer3 req_serializer(cct);
+    req_serializer.dump(&jf);
+
+    std::stringstream ss;
+    jf.flush(ss);
+    token_req.set_post_data(ss.str());
+    token_req.set_send_length(ss.str().length());
+    token_url.append("v3/auth/tokens");
+  } else {
+    return -ENOTSUP;
+  }
+
+  const int ret = token_req.process("POST", token_url.c_str());
+  if (ret < 0) {
+    return ret;
+  }
+  if (t.parse(cct, token_req.get_subject_token(), token_bl) != 0) {
+    return -EINVAL;
+  }
+
+  RGWKeystoneTokenCache::get_instance().add_admin(t);
+  token = t.token.id;
+  return 0;
+}
+
 bool KeystoneToken::has_role(const string& r) const
 {
   list<Role>::const_iterator iter;
-- 
2.39.5