Unflatmap community.general (#5461)

* Move files.

* Update imports and references.

* Move wrongly placed files.

* Reverse redirects, deprecate long → short name redirects.

* Simplify contribution guidelines for new modules.

* Rewrite BOTMETA.

* Add changelog fragment.

* Fix ignore.txt files.

plugins/modules/runit.py

@@ -0,0 +1,255 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2015, Brian Coca <bcoca@ansible.com>
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+DOCUMENTATION = r'''
+---
+module: runit
+author:
+- James Sumners (@jsumners)
+short_description: Manage runit services
+description:
+    - Controls runit services on remote hosts using the sv utility.
+options:
+    name:
+        description:
+            - Name of the service to manage.
+        type: str
+        required: true
+    state:
+        description:
+            - C(started)/C(stopped) are idempotent actions that will not run
+              commands unless necessary.  C(restarted) will always bounce the
+              service (sv restart) and C(killed) will always bounce the service (sv force-stop).
+              C(reloaded) will send a HUP (sv reload).
+              C(once) will run a normally downed sv once (sv once), not really
+              an idempotent operation.
+        type: str
+        choices: [ killed, once, reloaded, restarted, started, stopped ]
+    enabled:
+        description:
+            - Whether the service is enabled or not, if disabled it also implies stopped.
+        type: bool
+    service_dir:
+        description:
+            - directory runsv watches for services
+        type: str
+        default: /var/service
+    service_src:
+        description:
+            - directory where services are defined, the source of symlinks to service_dir.
+        type: str
+        default: /etc/sv
+'''
+
+EXAMPLES = r'''
+- name: Start sv dnscache, if not running
+  community.general.runit:
+    name: dnscache
+    state: started
+
+- name: Stop sv dnscache, if running
+  community.general.runit:
+    name: dnscache
+    state: stopped
+
+- name: Kill sv dnscache, in all cases
+  community.general.runit:
+    name: dnscache
+    state: killed
+
+- name: Restart sv dnscache, in all cases
+  community.general.runit:
+    name: dnscache
+    state: restarted
+
+- name: Reload sv dnscache, in all cases
+  community.general.runit:
+    name: dnscache
+    state: reloaded
+
+- name: Use alternative sv directory location
+  community.general.runit:
+    name: dnscache
+    state: reloaded
+    service_dir: /run/service
+'''
+
+import os
+import re
+
+from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils.common.text.converters import to_native
+
+
+class Sv(object):
+    """
+    Main class that handles daemontools, can be subclassed and overridden in case
+    we want to use a 'derivative' like encore, s6, etc
+    """
+
+    def __init__(self, module):
+        self.extra_paths = []
+        self.report_vars = ['state', 'enabled', 'svc_full', 'src_full', 'pid', 'duration', 'full_state']
+
+        self.module = module
+
+        self.name = module.params['name']
+        self.service_dir = module.params['service_dir']
+        self.service_src = module.params['service_src']
+        self.enabled = None
+        self.full_state = None
+        self.state = None
+        self.pid = None
+        self.duration = None
+
+        self.svc_cmd = module.get_bin_path('sv', opt_dirs=self.extra_paths, required=True)
+        self.svstat_cmd = module.get_bin_path('sv', opt_dirs=self.extra_paths)
+        self.svc_full = '/'.join([self.service_dir, self.name])
+        self.src_full = '/'.join([self.service_src, self.name])
+
+        self.enabled = os.path.lexists(self.svc_full)
+        if self.enabled:
+            self.get_status()
+        else:
+            self.state = 'stopped'
+
+    def enable(self):
+        if os.path.exists(self.src_full):
+            try:
+                os.symlink(self.src_full, self.svc_full)
+            except OSError as e:
+                self.module.fail_json(path=self.src_full, msg='Error while linking: %s' % to_native(e))
+        else:
+            self.module.fail_json(msg="Could not find source for service to enable (%s)." % self.src_full)
+
+    def disable(self):
+        self.execute_command([self.svc_cmd, 'force-stop', self.src_full])
+        try:
+            os.unlink(self.svc_full)
+        except OSError as e:
+            self.module.fail_json(path=self.svc_full, msg='Error while unlinking: %s' % to_native(e))
+
+    def get_status(self):
+        (rc, out, err) = self.execute_command([self.svstat_cmd, 'status', self.svc_full])
+
+        if err is not None and err:
+            self.full_state = self.state = err
+        else:
+            self.full_state = out
+            # full_state *may* contain information about the logger:
+            # "down: /etc/service/service-without-logger: 1s, normally up\n"
+            # "down: /etc/service/updater: 127s, normally up; run: log: (pid 364) 263439s\n"
+            full_state_no_logger = self.full_state.split("; ")[0]
+
+            m = re.search(r'\(pid (\d+)\)', full_state_no_logger)
+            if m:
+                self.pid = m.group(1)
+
+            m = re.search(r' (\d+)s', full_state_no_logger)
+            if m:
+                self.duration = m.group(1)
+
+            if re.search(r'^run:', full_state_no_logger):
+                self.state = 'started'
+            elif re.search(r'^down:', full_state_no_logger):
+                self.state = 'stopped'
+            else:
+                self.state = 'unknown'
+                return
+
+    def started(self):
+        return self.start()
+
+    def start(self):
+        return self.execute_command([self.svc_cmd, 'start', self.svc_full])
+
+    def stopped(self):
+        return self.stop()
+
+    def stop(self):
+        return self.execute_command([self.svc_cmd, 'stop', self.svc_full])
+
+    def once(self):
+        return self.execute_command([self.svc_cmd, 'once', self.svc_full])
+
+    def reloaded(self):
+        return self.reload()
+
+    def reload(self):
+        return self.execute_command([self.svc_cmd, 'reload', self.svc_full])
+
+    def restarted(self):
+        return self.restart()
+
+    def restart(self):
+        return self.execute_command([self.svc_cmd, 'restart', self.svc_full])
+
+    def killed(self):
+        return self.kill()
+
+    def kill(self):
+        return self.execute_command([self.svc_cmd, 'force-stop', self.svc_full])
+
+    def execute_command(self, cmd):
+        try:
+            (rc, out, err) = self.module.run_command(cmd)
+        except Exception as e:
+            self.module.fail_json(msg="failed to execute: %s" % to_native(e))
+        return rc, out, err
+
+    def report(self):
+        self.get_status()
+        states = {}
+        for k in self.report_vars:
+            states[k] = self.__dict__[k]
+        return states
+
+
+def main():
+    module = AnsibleModule(
+        argument_spec=dict(
+            name=dict(type='str', required=True),
+            state=dict(type='str', choices=['killed', 'once', 'reloaded', 'restarted', 'started', 'stopped']),
+            enabled=dict(type='bool'),
+            service_dir=dict(type='str', default='/var/service'),
+            service_src=dict(type='str', default='/etc/sv'),
+        ),
+        supports_check_mode=True,
+    )
+
+    module.run_command_environ_update = dict(LANG='C', LC_ALL='C', LC_MESSAGES='C', LC_CTYPE='C')
+
+    state = module.params['state']
+    enabled = module.params['enabled']
+
+    sv = Sv(module)
+    changed = False
+
+    if enabled is not None and enabled != sv.enabled:
+        changed = True
+        if not module.check_mode:
+            try:
+                if enabled:
+                    sv.enable()
+                else:
+                    sv.disable()
+            except (OSError, IOError) as e:
+                module.fail_json(msg="Could not change service link: %s" % to_native(e))
+
+    if state is not None and state != sv.state:
+        changed = True
+        if not module.check_mode:
+            getattr(sv, state)()
+
+    module.exit_json(changed=changed, sv=sv.report())
+
+
+if __name__ == '__main__':
+    main()