zen build cache service (#318)

- **EXPERIMENTAL** `zen builds`
  - Feature: `--zen-cache-host` option for `upload` and `download` operations to use a zenserver host `/builds` endpoint for storing build blob and blob metadata
  - Feature: New `/builds` endpoint for caching build blobs and blob metadata
    - `/builds/{namespace}/{bucket}/{buildid}/blobs/{hash}` `GET` and `PUT` method for storing and fetching blobs
    - `/builds/{namespace}/{bucket}/{buildid}/blobs/putBlobMetadata` `POST` method for storing metadata about blobs
    - `/builds/{namespace}/{bucket}/{buildid}/blobs/getBlobMetadata` `POST` method for fetching metadata about blobs
    - `/builds/{namespace}/{bucket}/{buildid}/blobs/exists` `POST` method for checking existance of blobs

1 files changed, 3 insertions, 0 deletions

diff --git a/src/zenserver/admin/admin.h b/src/zenserver/admin/admin.h
index 563c4f536..e7821dead 100644
--- a/src/zenserver/admin/admin.h
+++ b/src/zenserver/admin/admin.h
@@ -12,6 +12,7 @@ class JobQueue;
 class ZenCacheStore;
 class CidStore;
 class ProjectStore;
+class BuildStore;
 struct ZenServerOptions;
 
 class HttpAdminService : public zen::HttpService
@@ -28,6 +29,7 @@ public:
 					 ZenCacheStore*			 CacheStore,
 					 CidStore*				 CidStore,
 					 ProjectStore*			 ProjectStore,
+					 BuildStore*			 BuildStore,
 					 const LogPaths&		 LogPaths,
 					 const ZenServerOptions& ServerOptions);
 	~HttpAdminService();
@@ -42,6 +44,7 @@ private:
 	ZenCacheStore*			m_CacheStore;
 	CidStore*				m_CidStore;
 	ProjectStore*			m_ProjectStore;
+	BuildStore*				m_BuildStore;
 	LogPaths				m_LogPaths;
 	const ZenServerOptions& m_ServerOptions;
 };