bundles/zfs: import bundle from work repository

2020-08-29 21:10:59 +02:00 · 2020-08-29 21:10:59 +02:00 · 4934eb46fb
commit 4934eb46fb
parent b690ae25b0
11 changed files with 841 additions and 0 deletions
--- a/bundles/zfs/metadata.py
+++ b/bundles/zfs/metadata.py
@ -0,0 +1,139 @@
+import re
+
+defaults = {
+    'cron': {
+        'zfs-auto-snapshot-daily': '0 0 * * * root /usr/local/sbin/zfs-auto-snapshot daily',
+        'zfs-auto-snapshot-hourly': '0 * * * * root /usr/local/sbin/zfs-auto-snapshot hourly',
+        'zfs-auto-snapshot-monthly': '0 0 1 * * root /usr/local/sbin/zfs-auto-snapshot monthly',
+        'zfs-auto-snapshot-weekly': '0 0 * * 7 root /usr/local/sbin/zfs-auto-snapshot weekly',
+    },
+    'zfs': {
+        'datasets': {},
+        'pools': {},
+        'snapshots': {
+#            'backup': {
+#                'enabled': True,
+#                'filesystems_with_snapshot': {},
+#            },
+            'retain_defaults': {
+                'hourly': 24,
+                'daily': 7,
+                'weekly': 2,
+                'monthly': 1,
+            },
+        },
+    },
+}
+
+#if node.has_bundle('telegraf'):
+#    defaults.update({
+#        'telegraf': {
+#            'input_plugins': {
+#                'exec': {
+#                    'zfs_dataset': {
+#                        'command': 'telegraf-zfs-dataset',
+#                        'interval': '120s',
+#                    },
+#                },
+#                'zfs': {},
+#            },
+#        },
+#    })
+#    defaults['sudo']['verbatim'].add('telegraf ALL=(ALL) NOPASSWD:/sbin/zfs list *')
+
+if node.has_bundle('sshmon'):
+    defaults.update({
+        'icinga2_api': {
+            'zfs': {
+                'services': {
+                    'ZFS AUTO SNAPSHOT': {
+                        'command_on_monitored_host': '/usr/lib/nagios/plugins/check_zfs_auto_snapshot',
+                    },
+                    'ZFS MOUNTED VOLUMES': {
+                        'command_on_monitored_host': '/usr/lib/nagios/plugins/check_zfs_volumes',
+                    },
+                },
+            },
+        },
+    })
+
+
+@metadata_reactor
+def zfs_scrub_cronjob(metadata):
+    when = metadata.get('zfs/scrub/cron', '{} 0 * * sun'.format((node.magic_number % 60)))
+    return {
+        'cron': {
+            'zfs-scrub': '{} root /usr/lib/zfs-linux/scrub'.format(when),
+        },
+    }
+
+
+# TODO
+#@metadata_reactor
+#def zfs_snapshot_backup(metadata):
+#    if metadata.get('zfs/snapshots/backup/enabled'):
+#        # Collect all filesystems/datasets (e.g., "tank/mysql") which
+#        # are configured for (local) snapshots. For each of them, store
+#        # the mountpoint. This information will be used primarily by
+#        # "/usr/local/sbin/zfs-backup-snapshot", but may also be used by
+#        # other bundles (think backup tools).
+#        #
+#        # In other words, this API allows other bundles to check whether
+#        # a path belongs to a ZFS dataset with snapshots enabled.
+#
+#        filesystems = {}
+#
+#        if metadata.get('zfs/snapshots/snapshot_only', None) is not None:
+#            for name in metadata.get('zfs/snapshots/snapshot_only'):
+#                attrs = metadata.get('zfs/datasets')[name]
+#                if attrs.get('mountpoint') not in (None, "none"):
+#                    filesystems[name] = attrs['mountpoint']
+#        else:
+#            for name, attrs in metadata.get('zfs/datasets').items():
+#                if attrs.get('mountpoint') not in (None, "none"):
+#                    filesystems[name] = attrs['mountpoint']
+#
+#        for pattern in metadata.get('zfs/snapshots/snapshot_never', set()):
+#            filesystems = {k: v for k, v in filesystems.items() if not re.search(pattern, k)}
+#
+#        return {
+#            'zfs': {
+#                'snapshots': {
+#                    'backup': {
+#                        'filesystems_with_snapshot': filesystems,
+#                    },
+#                },
+#            },
+#        }
+#    else:
+#        return {}
+
+
+@metadata_reactor
+def monitoring(metadata):
+    if not node.has_bundle('sshmon'):
+        raise DoNotRunAgain
+
+    services = {}
+
+    for poolname, pool_options in metadata.get('zfs/pools').items():
+        services['ZFS ZPOOL ONLINE {}'.format(poolname)] = {
+            'command_on_monitored_host': 'sudo /usr/lib/nagios/plugins/check_zpool_online {}'.format(poolname),
+        }
+
+        services['ZFS ZPOOL SPACE ' + poolname] = {
+            'command_on_monitored_host': 'sudo /usr/lib/nagios/plugins/check_zpool_space {} 90'.format(poolname)
+        }
+
+
+    services['ZFS OLD SNAPSHOTS'] = {
+        'command_on_monitored_host': 'sudo /usr/lib/nagios/plugins/check_zfs_old_snapshots',
+    }
+
+    return {
+        'icinga2_api': {
+            'zfs': {
+                'services': services,
+            },
+        },
+    }