Merge pull request #3838 from edx/brian/fix-hive-schema-init

Add check to see if hive metastore is initialized.

playbooks/roles/analytics_pipeline/tasks/main.yml

@@ -230,9 +230,18 @@
     - install
     - install:configuration
 
+- name: Test if Hive metadata store schema exists
+  shell: ". {{ HADOOP_COMMON_CONF_DIR }}/hadoop-env.sh && {{ HIVE_HOME }}/bin/hive | tr '\n' ' '"
+  become_user: "{{ hadoop_common_user }}"
+  register: hive_metastore_info
+  tags:
+    - install
+    - install:configuration
+
 - name: Initialize Hive metadata store schema
   shell: ". {{ HADOOP_COMMON_CONF_DIR }}/hadoop-env.sh && {{ HIVE_HOME }}/bin/schematool -dbType mysql -initSchema"
   become_user: "{{ hadoop_common_user }}"
+  when: "'Version information not found in metastore' in hive_metastore_info.stderr"
   tags:
     - install
-    - install:base
+    - install:configuration