bundles/octoprint: add update check

bundles/octoprint/files/check_octoprint_update

@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+
+from requests import get
+from sys import exit
+
+api_key = '${api_key}'
+
+try:
+    json = get('http://[::1]:22030/plugin/softwareupdate/check', headers={'X-Api-Key': api_key}).json()
+except Exception as e:
+    print(repr(e))
+    exit(3)
+
+updates = set()
+errors = set()
+
+for identifier, info in json['information'].items():
+    if info['updateAvailable']:
+        updates.add(info['displayName'])
+
+if not json['environment']['supported']:
+    errors.add('OctoPrint runs in an unsupported environment!')
+
+if not json['storage']['sufficient']:
+    errors.add('OctoPrint reports insufficient storage!')
+
+
+for error in sorted(errors):
+    print(error)
+
+if len(updates) > 0:
+    print('Updates available: {}'.format(', '.join(sorted(updates))))
+
+
+if len(errors) > 0:
+    exit(2)
+elif len(updates) > 0:
+    exit(1)
+else:
+    print('OK')
+    exit(0)

bundles/octoprint/items.py

@@ -35,4 +35,11 @@ files = {
     '/opt/octoprint/systemd-wrapper': {
         'mode': '0755',
     },
+    '/usr/local/share/icinga/plugins/check_octoprint_update': {
+        'mode': '0755',
+        'content_type': 'mako',
+        'context': {
+            'api_key': node.metadata.get('octoprint', {}).get('api_key', ''),
+        },
+    },
 }

bundles/octoprint/metadata.py

@@ -18,3 +18,22 @@ defaults = {
         },
     },
 }
+
+
+@metadata_reactor
+def icinga(metadata):
+    if not metadata.get('octoprint/api_key', None):
+        return {}
+
+    return {
+        'icinga2_api': {
+            'octoprint': {
+                'services': {
+                    'OCTOPRINT UPDATE': {
+                        'command_on_monitored_host': '/usr/local/share/icinga/plugins/check_octoprint_update',
+                        'retry_interval': '60m',
+                    },
+                },
+            },
+        },
+    }

nodes/home/octoprint-vielschichtigkeit.py

@@ -38,6 +38,9 @@ nodes['home.octoprint-vielschichtigkeit'] = {
                 },
             },
         },
+        'octoprint': {
+            'api_key': vault.decrypt('encrypt$gAAAAABfuWtDp0xeUSNZwi8PzhgxvheK1rdhThlPwZSweXZaUNzDF2BlfOwuMvW-vSxHjTJoyCnxzCAAytIBf0iXgdyeCafvbB43ogBaQK52HAahQNP4506-h02BKgiMdIghUmc1ZOUT'),
+        },
         'raspberrypi': {
             'camera': True,
         },