AMBARI-7732. Zookeeper can not be installed for HDP-2.2 (aonishuk)

ambari-server/src/main/resources/stacks/HDP/1.3.2/hooks/before-START/scripts/shared_initialization.py

@@ -164,10 +164,11 @@ def install_snappy():
   so_src_dir_x64 = format("{hadoop_home}/lib64")
   so_src_x86 = format("{so_src_dir_x86}/{snappy_so}")
   so_src_x64 = format("{so_src_dir_x64}/{snappy_so}")
-  Execute(
-    format("mkdir -p {so_target_dir_x86}; ln -sf {so_src_x86} {so_target_x86}"))
-  Execute(
-    format("mkdir -p {so_target_dir_x64}; ln -sf {so_src_x64} {so_target_x64}"))
+  if params.has_namenode:
+    Execute(
+      format("mkdir -p {so_target_dir_x86}; ln -sf {so_src_x86} {so_target_x86}"))
+    Execute(
+      format("mkdir -p {so_target_dir_x64}; ln -sf {so_src_x64} {so_target_x64}"))
 
 
 def create_javahome_symlink():

ambari-server/src/main/resources/stacks/HDP/2.0.6/hooks/before-START/scripts/shared_initialization.py

@@ -163,10 +163,11 @@ def install_snappy():
   so_src_dir_x64 = format("{hadoop_home}/lib64")
   so_src_x86 = format("{so_src_dir_x86}/{snappy_so}")
   so_src_x64 = format("{so_src_dir_x64}/{snappy_so}")
-  Execute(
-    format("mkdir -p {so_target_dir_x86}; ln -sf {so_src_x86} {so_target_x86}"))
-  Execute(
-    format("mkdir -p {so_target_dir_x64}; ln -sf {so_src_x64} {so_target_x64}"))
+  if params.has_namenode:
+    Execute(
+      format("mkdir -p {so_target_dir_x86}; ln -sf {so_src_x86} {so_target_x86}"))
+    Execute(
+      format("mkdir -p {so_target_dir_x64}; ln -sf {so_src_x64} {so_target_x64}"))
 
 
 def create_javahome_symlink():