add missing bit in gitlab infra

howto/static-component/architecture-gitlab-pages.dot

@@ -6,11 +6,12 @@ digraph gitlabpages {
                 label="hosts"
                 labelloc=bottom
 
-                GitLab [ label="GitLab | <CI> CI | <pages> pages" ]
+                GitLab [ label="<host> GitLab | <git> gitaly | <CI> CI | <pages> pages" ]
                 runner [ label="GitLab runner"]
                 GitLab:CI -> runner [label="pull"]
                 runner -> GitLab:pages [label="push"]
                 cache -> GitLab:pages [label="proxies"]
+                puppet
         }
         subgraph "clusterusers" {
                 label="users"
@@ -20,9 +21,9 @@ digraph gitlabpages {
                 public
         }
         TPA -> puppet
-        puppet -> { GitLab, cache }
-        puppet -> runner [taillabel="deploys"]
-        GitLab_user -> git -> GitLab:CI
+        puppet -> { runner, cache }
+        puppet -> GitLab:host [taillabel="deploys"]
+        GitLab_user -> GitLab:git
         public -> cache [ label="browses" ]
 }