From fb268d58d9e2cea8dbfe018f2a27b0df35606559 Mon Sep 17 00:00:00 2001 From: Indrajit Raychaudhuri Date: Fri, 24 Jul 2015 23:07:20 -0500 Subject: [PATCH] Improve pacman module - detect and use pacman_path via get_bin_path helper - simplify pending upgrade detection - apply outstanding changes from #358, #41 --- .../modules/extras/packaging/os/pacman.py | 74 +++++++++---------- 1 file changed, 36 insertions(+), 38 deletions(-) diff --git a/lib/ansible/modules/extras/packaging/os/pacman.py b/lib/ansible/modules/extras/packaging/os/pacman.py index fda700a67b0..74e29a1f936 100644 --- a/lib/ansible/modules/extras/packaging/os/pacman.py +++ b/lib/ansible/modules/extras/packaging/os/pacman.py @@ -110,8 +110,6 @@ import os import re import sys -PACMAN_PATH = "/usr/bin/pacman" - def get_version(pacman_output): """Take pacman -Qi or pacman -Si output and get the Version""" lines = pacman_output.split('\n') @@ -120,19 +118,19 @@ def get_version(pacman_output): return line.split(':')[1].strip() return None -def query_package(module, name, state="present"): +def query_package(module, pacman_path, name, state="present"): """Query the package status in both the local system and the repository. Returns a boolean to indicate if the package is installed, and a second boolean to indicate if the package is up-to-date.""" if state == "present": - lcmd = "pacman -Qi %s" % (name) + lcmd = "%s -Qi %s" % (pacman_path, name) lrc, lstdout, lstderr = module.run_command(lcmd, check_rc=False) if lrc != 0: # package is not installed locally return False, False - + # get the version installed locally (if any) lversion = get_version(lstdout) - - rcmd = "pacman -Si %s" % (name) + + rcmd = "%s -Si %s" % (pacman_path, name) rrc, rstdout, rstderr = module.run_command(rcmd, check_rc=False) # get the version in the repository rversion = get_version(rstdout) @@ -145,8 +143,8 @@ def query_package(module, name, state="present"): return False, False -def update_package_db(module): - cmd = "pacman -Sy" +def update_package_db(module, pacman_path): + cmd = "%s -Sy" % (pacman_path) rc, stdout, stderr = module.run_command(cmd, check_rc=False) if rc == 0: @@ -154,30 +152,27 @@ def update_package_db(module): else: module.fail_json(msg="could not update package db") -def upgrade(module): - cmdupgrade = "pacman -Suq --noconfirm" - cmdneedrefresh = "pacman -Supq" +def upgrade(module, pacman_path): + cmdupgrade = "%s -Suq --noconfirm" % (pacman_path) + cmdneedrefresh = "%s -Qqu" % (pacman_path) rc, stdout, stderr = module.run_command(cmdneedrefresh, check_rc=False) if rc == 0: - if stdout.count('\n') > 1: - rc, stdout, stderr = module.run_command(cmdupgrade, check_rc=False) - if rc == 0: - module.exit_json(changed=True, msg='System upgraded') - else: - module.fail_json(msg="could not upgrade") + rc, stdout, stderr = module.run_command(cmdupgrade, check_rc=False) + if rc == 0: + module.exit_json(changed=True, msg='System upgraded') else: - module.exit_json(changed=False, msg='Nothing to upgrade') + module.fail_json(msg="could not upgrade") else: - module.fail_json(msg="could not list upgrades") + module.exit_json(changed=False, msg='Nothing to upgrade') -def remove_packages(module, packages): +def remove_packages(module, pacman_path, packages): if module.params["recurse"]: args = "Rs" else: args = "R" -def remove_packages(module, packages): +def remove_packages(module, pacman_path, packages): if module.params["force"]: args = "Rdd" else: @@ -187,11 +182,11 @@ def remove_packages(module, packages): # Using a for loop incase of error, we can report the package that failed for package in packages: # Query the package first, to see if we even need to remove - installed, updated = query_package(module, package) + installed, updated = query_package(module, pacman_path, package) if not installed: continue - cmd = "pacman -%s %s --noconfirm" % (args, package) + cmd = "%s -%s %s --noconfirm" % (pacman_path, args, package) rc, stdout, stderr = module.run_command(cmd, check_rc=False) if rc != 0: @@ -206,12 +201,12 @@ def remove_packages(module, packages): module.exit_json(changed=False, msg="package(s) already absent") -def install_packages(module, state, packages, package_files): +def install_packages(module, pacman_path, state, packages, package_files): install_c = 0 for i, package in enumerate(packages): # if the package is installed and state == present or state == latest and is up-to-date then skip - installed, updated = query_package(module, package) + installed, updated = query_package(module, pacman_path, package) if installed and (state == 'present' or (state == 'latest' and updated)): continue @@ -220,7 +215,7 @@ def install_packages(module, state, packages, package_files): else: params = '-S %s' % package - cmd = "pacman %s --noconfirm" % (params) + cmd = "%s %s --noconfirm" % (pacman_path, params) rc, stdout, stderr = module.run_command(cmd, check_rc=False) if rc != 0: @@ -234,10 +229,10 @@ def install_packages(module, state, packages, package_files): module.exit_json(changed=False, msg="package(s) already installed") -def check_packages(module, packages, state): +def check_packages(module, pacman_path, packages, state): would_be_changed = [] for package in packages: - installed, updated = query_package(module, package) + installed, updated = query_package(module, pacman_path, package) if ((state in ["present", "latest"] and not installed) or (state == "absent" and installed) or (state == "latest" and not updated)): @@ -263,8 +258,10 @@ def main(): required_one_of = [['name', 'update_cache', 'upgrade']], supports_check_mode = True) - if not os.path.exists(PACMAN_PATH): - module.fail_json(msg="cannot find pacman, looking for %s" % (PACMAN_PATH)) + pacman_path = module.get_bin_path('pacman', True) + + if not os.path.exists(pacman_path): + module.fail_json(msg="cannot find pacman, in path %s" % (pacman_path)) p = module.params @@ -275,7 +272,7 @@ def main(): p['state'] = 'absent' if p["update_cache"] and not module.check_mode: - update_package_db(module) + update_package_db(module, pacman_path) if not p['name']: module.exit_json(changed=True, msg='updated the package master lists') @@ -283,7 +280,7 @@ def main(): module.exit_json(changed=True, msg='Would have updated the package cache') if p['upgrade']: - upgrade(module) + upgrade(module, pacman_path) if p['name']: pkgs = p['name'].split(',') @@ -299,14 +296,15 @@ def main(): pkg_files.append(None) if module.check_mode: - check_packages(module, pkgs, p['state']) + check_packages(module, pacman_path, pkgs, p['state']) if p['state'] in ['present', 'latest']: - install_packages(module, p['state'], pkgs, pkg_files) + install_packages(module, pacman_path, p['state'], pkgs, pkg_files) elif p['state'] == 'absent': - remove_packages(module, pkgs) + remove_packages(module, pacman_path, pkgs) # import module snippets from ansible.module_utils.basic import * - -main() + +if __name__ == "__main__": + main()