+# Copyright 2019 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from charmhelpers.core.hookenv import (
+ action_get,
+ action_fail,
+ action_set,
+ status_set,
+)
+from charms.reactive import (
+ clear_flag,
+ set_flag,
+ when,
+ when_not,
+)
+import charms.sshproxy
+
+
+@when('sshproxy.configured')
+@when_not('simple.installed')
+def install_simple_proxy_charm():
+ """Post-install actions.
+
+ This function will run when two conditions are met:
+ 1. The 'sshproxy.configured' state is set
+ 2. The 'simple.installed' state is not set
+
+ This ensures that the workload status is set to active only when the SSH
+ proxy is properly configured.
+ """
+ set_flag('simple.installed')
+ status_set('active', 'Ready!')
+
+
+@when('actions.touch')
+def touch():
+ raise Exception("I am broken.")
+ err = ''
+ try:
+ filename = action_get('filename')
+ cmd = ['touch {}'.format(filename)]
+ result, err = charms.sshproxy._run(cmd)
+ except Exception:
+ action_fail('command failed:' + err)
+ else:
+ action_set({'output': result})
+ finally:
+ clear_flag('actions.touch')