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Michael
Asked: 2020-07-04 01:17:41 +0800 CST

Install rpm packages with Ansible using rpm application (not yum)

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I want to install some RPM packages using Ansible and the installed rpm package manager. yum is not installed.

Using command module with rpm -i {{package}} causes the task to fail if the package is already installed. I'm searching for an idiomatic way to install the packages like yum or apt modules does it.

aix rpm ansible

4 Answers

  1. Install yum, plus yum-utils, and use the yum module. Not installed by default on AIX, but can be done.

    Requirements include the yum and rpm Python modules. I'm unclear on which package provides the rpm bindings, something has to for yum to work. Possibly from the rpm fileset, but unfortunately I do not have an AIX box to test with.

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  2. Use rpm -U.

    From the manual:

    rpm {-U|--upgrade} [install-options] PACKAGE_FILE ...

    This upgrades or installs the package currently installed to a newer version. This is the same as install, except all other version(s) of the package are removed after the new package is installed.

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  3. - name: check if the filebeat exist
  shell:
    cmd: rpm -q filebeat
  ignore_errors: True
  register: filebeat_check

- name: transfer filebeat package to remote host
  copy:
    src: filebeat.rpm
    dest: /tmp/filebeat.rpm
  when: filebeat_check.rc != 0

- name: install filebeat
  shell:
    cmd: rpm -i /tmp/filebeat.rpm
  when: filebeat_check.rc != 0
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  4. Best Answer

    I think this matches my problem the best so far:

    
- name: Verify package MD5
  shell: |
    package_md5=$(rpm -qp --queryformat='%{FILEMD5S}' '{{ item }}')
    package_name=$(rpm -qp --queryformat='%{NAME}' '{{ item }}')
    installed_md5=$(rpm -q --queryformat='%{FILEMD5S}' "$package_name")
    [ "$installed_md5" = "$package_md5" ]
  ignore_errors: true
  register: verify_result
  changed_when: no
  failed_when: no

- name: Install package
  shell: rpm -U '{{ item }}'
  when: verify_result.rc != 0

    item is the path to a rpm file.

    The first task gets the MD5 checksum and the name of the package from the rpm file and compares the checksum with the installed package with the same package name. If the checksum doesn't match (and only then), the second task will install the rpm package.

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