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authorChristian Pointner <equinox@spreadspace.org>2022-01-06 22:39:26 +0100
committerChristian Pointner <equinox@spreadspace.org>2022-01-06 22:39:26 +0100
commit782c60a9493f10e77b192235c0939ad8264c7b81 (patch)
tree99820a37146ace7e7468deb2ffc18152b7ee661c /roles/vm/guest/deploy/action_plugins/replace_vm_image.py
parentsplit up vm/define into remove and create (diff)
finalize vm/guest/deploy
Diffstat (limited to 'roles/vm/guest/deploy/action_plugins/replace_vm_image.py')
-rw-r--r--roles/vm/guest/deploy/action_plugins/replace_vm_image.py66
1 files changed, 66 insertions, 0 deletions
diff --git a/roles/vm/guest/deploy/action_plugins/replace_vm_image.py b/roles/vm/guest/deploy/action_plugins/replace_vm_image.py
new file mode 100644
index 00000000..44db9698
--- /dev/null
+++ b/roles/vm/guest/deploy/action_plugins/replace_vm_image.py
@@ -0,0 +1,66 @@
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+import os
+
+from ansible.errors import AnsibleError, AnsibleAction, AnsibleActionFail, AnsibleActionSkip, AnsibleConnectionFailure
+from ansible.module_utils._text import to_native, to_bytes
+from ansible.plugins.action import ActionBase
+from ansible.utils.cmd_functions import run_cmd
+
+
+class ActionModule(ActionBase):
+ TRANSFERS_FILES = False
+
+ DECOMPRESSORS = {
+ 'application/gzip': 'gunzip',
+ 'application/zstd': 'unzstd',
+ 'application/x-bzip2': 'bunzip2',
+ 'application/x-xz': 'unxz',
+ }
+
+ def _get_decompressor_for_file(self, file):
+ try:
+ rc, out, err = run_cmd('file --mime-type --mime-encoding %s' % (file))
+ if rc != 0:
+ raise Exception('unable to read mime-type of file: %s' % (file))
+ out = to_native(out, errors='surrogate_or_strict')
+ mimetype = out.rsplit(':', 1)[1].split(';')[0]
+ return self.DECOMPRESSORS.get(mimetype.strip(), 'cat')
+ except Exception as e:
+ raise AnsibleActionFail(to_native(e))
+
+ def run(self, tmp=None, task_vars=None):
+ if task_vars is None:
+ task_vars = dict()
+
+ result = super(ActionModule, self).run(tmp, task_vars)
+ del tmp # tmp no longer has any effect
+
+ try:
+ if self._play_context.check_mode:
+ raise AnsibleActionSkip('Check mode is not supported for this task.')
+
+ result['changed'] = True
+
+ source = to_native(self._task.args.get('src', ''), errors='surrogate_or_strict')
+ destination = to_native(self._task.args.get('dest', ''), errors='surrogate_or_strict')
+ decompressor = self._get_decompressor_for_file(source)
+ try:
+ source = self._loader.get_real_file(self._find_needle('files', source), decrypt=False)
+ with open(to_bytes(source, errors='surrogate_or_strict'), 'rb') as f:
+ source = to_bytes(f.read(), nonstring='passthru')
+ except AnsibleError as e:
+ raise AnsibleActionFail(to_native(e))
+
+ result.update(self._low_level_execute_command('%s > %s' % (decompressor, destination), in_data=source))
+ # workaround for gzip trailing garbage handling
+ if 'rc' in result and result['rc'] == 2:
+ if 'stderr' in result and 'decompression OK' in result['stderr']:
+ result['rc'] = 0
+ self._fixup_perms2((destination), execute=False)
+
+ except AnsibleAction as e:
+ result.update(e.result)
+
+ return result