I'm am trying to write an ansible script that will generate thread dumps on
java processes. Here is my playbook:
---
- name: generate thread dumps
hosts: localhost
user: oracle
serial: 100%
vars:
pid: 0
serverNames:
- AdminServer
tasks:
- command: "kill -3 `pgrep -f {item}`"
with_items: serverNames
This is the ansible result:
$ ansible-playbook thread-dump.yml -i inventory -v
PLAY [generate thread dumps]
**************************************************
GATHERING FACTS
***************************************************************
ok: [localhost]
TASK: [command kill -3 `pgrep -f {item}`]
*************************************
failed: [localhost] => (item=AdminServer) => {"changed": true, "cmd":
["kill", "-3", "`pgrep", "-f", "{item}`"], "delta": "0:00:00.005389",
"end": "2015-07-09 17:11:38.275632", "item": "AdminServer", "rc": 3,
"start": "2015-07-09 17:11:38.270243", "warnings": []}
stderr: kill: can't find process "`pgrep"
kill: can't find process "-f"
kill: can't find process "{item}`"
FATAL: all hosts have already failed -- aborting
PLAY RECAP
********************************************************************
to retry, use: --limit @/home/oracle/thread-dump.retry
localhost : ok=1 changed=0 unreachable=0 failed=1
The command works fine when I run it at the command prompt.
I have also tried creating a script and executing it with the script
command. Here is the kill3.sh script:
kill -3 `pgrep -f $1`
Which also fails:
]$ ansible-playbook thread-dump.yml -i inventory -v
PLAY [generate thread dumps]
**************************************************
GATHERING FACTS
***************************************************************
ok: [localhost]
TASK: [script kill3.sh {item}]
************************************************
failed: [localhost] => (item=AdminServer) => {"changed": true, "item":
"AdminServer", "rc": 1}
stderr: OpenSSH_5.3p1, OpenSSL 1.0.1e-fips 11 Feb 2013
debug1: Reading configuration data /home/oracle/.ssh/config
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug1: auto-mux: Trying existing master
debug1: mux_client_request_session: master session id: 2
debug1: mux_client_request_session: master session id: 2
Shared connection to localhost closed.
stdout: Invalid preceding regular expressionkill: usage: kill [-s sigspec |
-n signum | -sigspec] pid | jobspec ... or kill -l [sigspec]
FATAL: all hosts have already failed -- aborting
PLAY RECAP
********************************************************************
to retry, use: --limit @/home/oracle/thread-dump.retry
localhost : ok=1 changed=0 unreachable=0 failed=1
Note the script works fine when I run it from the command prompt.
What am I doing wrong?
Thanks in advance for any assistance.
Jane
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