The task() expression function should return the current task if no name is provided. However, this doesn't work within the on-complete section of a task.
Take a look at the following session to see this issue. Note that the state info is different in the execution list at the end
Paste with better formatting: http://paste.openstack.org/show/598856/
[stack@undercloud ~]$ cat taskfn.yaml
---
version: '2.0'
name: taskfn
workflows:
wf1:
tasks:
task_a:
action: std.echo output="test"
on-complete:
- fail(msg=<% task() %>)
wf2:
tasks:
task_a:
action: std.echo output="test"
on-complete:
- fail(msg=<% task(task_a) %>)
[stack@undercloud ~]$ mistral execution-create taskfn.wf1
+-------------------+--------------------------------------+
| Field | Value |
+-------------------+--------------------------------------+
| ID | 3d4300cf-d43c-48a3-a1bc-27ec12c34d65 |
| Workflow ID | 3463c36b-6a40-4999-aff3-52f5fc99f9f7 |
| Workflow name | taskfn.wf1 |
| Description | |
| Task Execution ID | <none> |
| State | RUNNING |
| State info | None |
| Created at | 2017-02-14 16:12:24 |
| Updated at | 2017-02-14 16:12:24 |
+-------------------+--------------------------------------+
[stack@undercloud ~]$ mistral execution-create taskfn.wf2
+-------------------+--------------------------------------+
| Field | Value |
+-------------------+--------------------------------------+
| ID | a27e83e1-c653-43ea-a79f-99b238d7e7c7 |
| Workflow ID | c00968bc-f50e-4660-bc53-26f1b0842821 |
| Workflow name | taskfn.wf2 |
| Description | |
| Task Execution ID | <none> |
| State | RUNNING |
| State info | None |
| Created at | 2017-02-14 16:12:34 |
| Updated at | 2017-02-14 16:12:34 |
+-------------------+--------------------------------------+
[stack@undercloud ~]$ mistral execution-list
+--------------------------------------+--------------------------------------+---------------+-------------+-------------------+-------+------------------------------+---------------------+---------------------+
| ID | Workflow ID | Workflow name | Description | Task Execution ID | State | State info | Created at | Updated at |
+--------------------------------------+--------------------------------------+---------------+-------------+-------------------+-------+------------------------------+---------------------+---------------------+
| 3d4300cf-d43c-48a3-a1bc-27ec12c34d65 | 3463c36b-6a40-4999-aff3-52f5fc99f9f7 | taskfn.wf1 | | <none> | ERROR | None | 2017-02-14 16:12:24 | 2017-02-14 16:12:24 |
| a27e83e1-c653-43ea-a79f-99b238d7e7c7 | c00968bc-f50e-4660-bc53-26f1b0842821 | taskfn.wf2 | | <none> | ERROR | {'state_info': None, 'nam... | 2017-02-14 16:12:34 | 2017-02-14 16:12:34 |
+--------------------------------------+--------------------------------------+---------------+-------------+-------------------+-------+------------------------------+---------------------+---------------------+
Fix proposed to branch: master
Review: https:/