Move Coverity to it's own pipeline [#142981021]

Signed-off-by: NJim Doty <jdoty@pivotal.io>

concourse/pipelines/pipeline.yml

@@ -204,21 +204,6 @@ resources:
     secret_access_key: {{bucket-secret-access-key}}
     regexp: deliverables/greenplum-db-(.*)-behave.tar.gz
 
-- name: centos-coverity
-  type: docker-image
-  source:
-    repository: pivotaldata/centos-coverity
-    username: {{docker_username}}
-    password: {{docker_password}}
-
-- name: coverity_twice_weekly
-  type: time
-  source:
-    location: America/Los_Angeles
-    days: [Monday, Thursday]
-    start: 4:00 AM
-    stop: 5:00 AM
-
 - name: nightly-trigger
   type: time
   source:
@@ -318,24 +303,6 @@ jobs:
     params:
       file: gpdb_artifacts/bin_gpdb.tar.gz
 
-- name: coverity_scan
-  plan:
-  - get: coverity_twice_weekly
-    trigger: true
-  - aggregate:
-    - get: gpdb_src
-    - get: centos-coverity
-  - task: scan_with_coverity
-    file: gpdb_src/concourse/tasks/scan_with_coverity.yml
-    image: centos-coverity
-    params:
-      IVYREPO_HOST: {{ivyrepo_host}}
-      IVYREPO_REALM: {{ivyrepo_realm}}
-      IVYREPO_USER: {{ivyrepo_user}}
-      IVYREPO_PASSWD: {{ivyrepo_passwd}}
-      COVERITY_TOKEN: {{coverity_token}}
-      COVERITY_EMAIL: {{coverity_email}}
-
 # Stage 2a: Run regression tests against binaries (make installcheck-world and similar)
 
 - name: icw_planner_centos6

concourse/pipelines/pipeline_coverity.yml

+resources:
+- name: gpdb_src
+  type: git
+  source:
+    branch: {{gpdb-git-branch}}
+    private_key: {{gpdb-git-key}}
+    uri: {{gpdb-git-remote}}
+
+- name: centos-coverity
+  type: docker-image
+  source:
+    repository: pivotaldata/centos-coverity
+    username: {{docker_username}}
+    password: {{docker_password}}
+
+- name: coverity_twice_weekly
+  type: time
+  source:
+    location: America/Los_Angeles
+    days: [Monday, Thursday]
+    start: 4:00 AM
+    stop: 5:00 AM
+
+jobs:
+
+- name: coverity_scan
+  plan:
+  - get: coverity_twice_weekly
+    trigger: true
+  - aggregate:
+    - get: gpdb_src
+    - get: centos-coverity
+  - task: scan_with_coverity
+    file: gpdb_src/concourse/tasks/scan_with_coverity.yml
+    image: centos-coverity
+    params:
+      IVYREPO_HOST: {{ivyrepo_host}}
+      IVYREPO_REALM: {{ivyrepo_realm}}
+      IVYREPO_USER: {{ivyrepo_user}}
+      IVYREPO_PASSWD: {{ivyrepo_passwd}}
+      COVERITY_TOKEN: {{coverity_token}}
+      COVERITY_EMAIL: {{coverity_email}}