per node customisation broken on stable branches

[Rabi Mishra]

Description of problem:
See this error consistently deploying overcloud with ceph

overcloud.CephStorage.2.CephStorageExtraConfigPre.NodeSpecificDeployment:
  resource_type: OS::Heat::SoftwareDeployment
  physical_resource_id: bb6e4e49-48bc-41d6-af9c-7a7d2bad2d61
  status: CREATE_FAILED
  status_reason: |
    Error: resources.NodeSpecificDeployment: Deployment to server failed: deploy_status_code : Deployment exited with non-zero status code: 127
  deploy_stdout: |

  deploy_stderr: |
    /var/lib/heat-config/heat-config-script/75a01c23-8823-4bb8-a34f-db1164ed695e: line 21: get_python: command not found
    /var/lib/heat-config/heat-config-script/75a01c23-8823-4bb8-a34f-db1164ed695e: line 21: -c: command not found
(undercloud) [stack@director ~]$ openstack stack list
+--------------------------------------+------------+----------------------------------+---------------+----------------------+--------------+
| ID | Stack Name | Project | Stack Status | Creation Time | Updated Time |
+--------------------------------------+------------+----------------------------------+---------------+----------------------+--------------+
| 5c13141d-399d-454c-83cc-1d93008ab625 | overcloud | 6e7a0b6c3b784e459089df85f4eda932 | CREATE_FAILED | 2019-03-15T16:47:01Z | None |
+--------------------------------------+------------+----------------------------------+---------------+----------------------+--------------+

Backport of I65f46056f8a908c60c99d1cee3738344a0bce6b7 is broken
as it's missing Ida7a7cbd064ebdb923f38c9102eb4b0771f9b273 in stable
branches.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/rocky
Review: https://review.openstack.org/644726

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/queens
Review: https://review.openstack.org/644727

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/644726
Committed: https://git.openstack.org/cgit/openstack/tripleo-heat-templates/commit/?id=4bd3d245cf68702f96b75ad3bb37fcd6caa3cd29
Submitter: Zuul
Branch: stable/rocky

commit 4bd3d245cf68702f96b75ad3bb37fcd6caa3cd29
Author: Rabi Mishra <email address hidden>
Date: Wed Mar 20 09:44:18 2019 +0530

    Fix python binary lookup regression

    Backport of I65f46056f8a908c60c99d1cee3738344a0bce6b7 is broken
    as it's missing Ida7a7cbd064ebdb923f38c9102eb4b0771f9b273 in stable
    branches.

    Change-Id: Ib664fa362139d08226f63322d9be2ebb6c0bec72
    Closes-Bug: #1820947

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/644727
Committed: https://git.openstack.org/cgit/openstack/tripleo-heat-templates/commit/?id=f7bae9b7ff453e113ed87eb46e0760a4cd518292
Submitter: Zuul
Branch: stable/queens

commit f7bae9b7ff453e113ed87eb46e0760a4cd518292
Author: Rabi Mishra <email address hidden>
Date: Wed Mar 20 09:44:18 2019 +0530

    Fix python binary lookup regression

    Backport of I65f46056f8a908c60c99d1cee3738344a0bce6b7 is broken
    as it's missing Ida7a7cbd064ebdb923f38c9102eb4b0771f9b273 in stable
    branches.

    Change-Id: Ib664fa362139d08226f63322d9be2ebb6c0bec72
    Closes-Bug: #1820947
    (cherry picked from commit 4bd3d245cf68702f96b75ad3bb37fcd6caa3cd29)

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/tripleo-heat-templates 9.4.0 release.

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/tripleo-heat-templates 8.4.0 release.