Initial commit

snap/hooks/configure

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+#! /usr/bin/python3
+
+import os
+import configparser
+
+CONFIG_FILE=os.environ['SNAP_DATA'] + '/config'
+KEYS=['updateipv4', 'updateipv6', 'domain', 'password', 'ipv4hostname', 'ipv6hostname']
+
+config = configparser.ConfigParser()
+config.read(CONFIG_FILE)
+
+for key in KEYS:
+    value = os.popen('snapctl get ' + key).read()
+    config.set('User', key, value)
+
+with open(CONFIG_FILE, 'w') as configfile:
+    config.write(configfile)

snap/hooks/install

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+#! /bin/bash
+
+set -e
+
+cp $SNAP/default.conf $SNAP_DATA/config
+# The config file should not be world readable, but the snap user can't read it
+# either if it is chmodded. How to solve this?
+#chmod 600 $SNAP_DATA/config

snap/snapcraft.yaml

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+name: mythicbeastsddns
+version: 'git'
+summary: Automatically update dynamic dns for your Mythic Beasts hosts
+description: |
+  Mythic Beasts customers can use this snap to automatically update dynamic dns
+  entries for ipv4 and ipv6 hosts. Configure the domain, password,
+  ipv4hostname and ipv6hostname using the `snap set` command as detailed at 
+  https://docs.snapcraft.io/reference/snap-command#set . Activate the updater by
+  setting the updateipv4 and/or updateipv6 keys to "yes".
+  .
+  BEWARE - passwords are stored in world-readable plain text. Until I can find a
+  way around this problem do not use this snap in production.
+grade: stable
+confinement: strict
+architectures: [ all ]
+
+apps:
+  mythicbeastsddns:
+    command: ddns_service.sh
+    daemon: simple
+    plugs: [ network ]
+
+parts:
+  scripts:
+    plugin: dump
+    source: scripts