syntax error in vars bubstution [ shell module ]

[olga]

Hi,

---

- hosts: service

  vars:

    app_service_port: 8080

    tomcat_home: /opt/apache-tomcat-8.0.9

  remote_user: deploy

  tasks:

  - name: stop tomcat

    shell: {{ tomcat_home }}/bin/shutdown.sh

  - name: start tomcat

    shell: {{ tomcat_home }}/bin/startup.sh

When i run this play, i get

ERROR: Syntax Error while loading YAML script, test.yml

Note: The error may actually appear before this position: line 8, column 28

  tasks:

  - shell: {{ tomcat_home}}/bin/shutdown.sh

is variable substitution not allowed in shell module. 

These are custom installed tomcat dir, so i have to use shell command to start and stop the tomcat. Also, has anyone verified if the java process got killed. I have seen some times that after shutdown, the java process still run. OR is there any easy method in ansible to do this.

Thanks,

olaga

[Michael Peters]

Try quoting the templated part. The {{ }} syntax markers mess up the
yaml parsing - http://docs.ansible.com/YAMLSyntax.html#gotchas

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[olga]

Hi Michael,

Quoting also did not work. I added "sh" before the {{ and it worked.

  tasks:

  - name: stop tomcat

    shell: sh {{ tomcat_home }}/bin/shutdown.sh

  - name: start tomcat

    shell: sh {{ tomcat_home }}/bin/startup.sh

Thanks for the link.

Regards,

Olga

[Michael DeHaan]

"Quoting also did not work. I added "sh" before the {{ and it worked."

Please show me what you tried and what the output was?

Thanks!

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[Subramanian Olagappan]

Hi Michael,

---

- hosts: service

  vars:

    app_service_port: 8080

    tomcat_home: /opt/apache-tomcat-8.0.9

  remote_user: deploy

  tasks:

  - name: stop tomcat

    shell: "{{ tomcat_home }}"/bin/shutdown.sh

  - name: start tomcat

    shell: "{{ tomcat_home }}"/bin/startup.sh

olga@olga-vbox:~$ ansible-playbook test.yml

ERROR: Syntax Error while loading YAML script, test.yml

Note: The error may actually appear before this position: line 7, column 31

  - name: stop tomcat
    shell: "{{ tomcat_home }}"/bin/shutdown.sh

                                            ^
We could be wrong, but this one looks like it might be an issue with
missing quotes.  Always quote template expression brackets when they
start a value. For instance:           

    with_items:
      - {{ foo }}

Should be written as:

    with_items:
      - "{{ foo }}"     

Thanks,

Olga

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[Michael Peters]

You need to quote the whole line, not just the templated part:

---
- hosts: service
vars:
app_service_port: 8080
tomcat_home: /opt/apache-tomcat-8.0.9
remote_user: deploy
tasks:
- name: stop tomcat
shell: "{{ tomcat_home }}/bin/shutdown.sh"
- name: start tomcat
shell: "{{ tomcat_home }}/bin/startup.sh"

> https://groups.google.com/d/msgid/ansible-project/CAKQjojRVtsDjw1mVLiqQvnJfei4kujgN74UMatjuck5%2Bi5fRHQ%40mail.gmail.com.