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from ansible.plugins.action import ActionBase
import re
class ActionModule(ActionBase):
def run(self, tmp=None, task_vars=None):
if task_vars is None:
task_vars = dict()
result = super(ActionModule, self).run(tmp, task_vars)
result['changed'] = False
result['failed'] = False
error_msgs = []
### host_vars validations ############################################
if 'borg_server' in task_vars:
# a borg server must exist
if not isinstance(task_vars['borg_server'], str):
error_msgs.append(f"The borg_server variable must be of type string for host {task_vars['ansible_host']}")
elif not task_vars['borg_server'] in task_vars['hostvars'].keys():
error_msgs.append(f"The borg_server {task_vars['borg_server']} configured for host {task_vars['ansible_host']} does not exist")
else:
# a borg client needs a list of jobs
if 'borg_jobs' not in task_vars:
error_msgs.append(f"No borg_jobs defined for host {task_vars['ansible_host']} while it has a borg_server configured")
elif not isinstance(task_vars['borg_jobs'], list):
error_msgs.append(f"The borg_jobs variable must be of type list for host {task_vars['ansible_host']}")
else:
for job in task_vars['borg_jobs']:
# a job is a dict with specific keys
if not isinstance(job, dict):
error_msgs.append(f"The borg_jobs list elements must be of type dict for host {task_vars['ansible_host']}")
continue
for key in job.keys():
if not key in ['name', 'path', 'command_to_pipe', 'pre_command', 'post_command', 'exclude']:
error_msgs.append(f"Invalid key {key} in a job for host {task_vars['ansible_host']}")
# a job name is a mandatory string
if not 'name' in job.keys():
error_msgs.append(f"Invalid job for host {task_vars['ansible_host']} : no name defined")
elif not isinstance(job['name'], str):
error_msgs.append(f"Invalid job name for host {task_vars['ansible_host']} : name must be of type string")
elif not re.match(r'^[a-zA-Z0-9_]+$', job['name']):
error_msgs.append(f"Invalid job name for host {task_vars['ansible_host']} : name must match ^[a-zA-Z0-9_]+$")
# path and command_to_pipe are mutually exclusive
if 'path' in job.keys() and 'command_to_pipe' in job.keys():
error_msgs.append(f"Invalid job for host {task_vars['ansible_host']} : it needs either a path or a command_to_pipe, not both")
elif 'path' not in job.keys() and 'command_to_pipe' not in job.keys():
error_msgs.append(f"Invalid job for host {task_vars['ansible_host']} : it needs either a path or a command_to_pipe")
elif 'path' in job.keys():
if not isinstance(job['path'], str):
error_msgs.append(f"Invalid job for host {task_vars['ansible_host']} : path must be of type string")
elif not isinstance(job['command_to_pipe'], str):
error_msgs.append(f"Invalid job for host {task_vars['ansible_host']} : command_to_pipe must be of type string")
# a pre_command is an optional string
if 'pre_command' in job.keys():
if not isinstance(job['pre_command'], str):
error_msgs.append(f"Invalid job for host {task_vars['ansible_host']} : pre_command must be of type string")
# a post_command is an optional string
if 'post_command' in job.keys():
if not isinstance(job['post_command'], str):
error_msgs.append(f"Invalid job for host {task_vars['ansible_host']} : post_command must be of type string")
# exclude is an optional list of paths
if 'exclude' in job.keys():
if not isinstance(job['exclude'], list):
error_msgs.append(f"Invalid job for host {task_vars['ansible_host']} : exclude must be of type list")
else:
for path in job['exclude']:
if not isinstance(path, str):
error_msgs.append(f"Invalid job for host {task_vars['ansible_host']} : exclude must be a list of strings")
# a borg client needs prune arguments
if not 'borg_prune_arguments' in task_vars:
error_msgs.append(f"No borg_jobs defined for host {task_vars['ansible_host']} while it has a borg_server configured")
elif not isinstance(task_vars['borg_prune_arguments'], str):
error_msgs.append(f"The borg_prune_arguments variable must be of type string for host {task_vars['ansible_host']}")
### Results compilation ##############################################
if error_msgs != []:
result['msg'] = ' ; '.join(error_msgs)
result['failed'] = True
return result
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