Added a script example for a performance evaluation of charm deployment

[osm/vim-emu.git] / examples / charms / layers / simple / reactive / simple.py

diff --git a/examples/charms/layers/simple/reactive/simple.py b/examples/charms/layers/simple/reactive/simple.py
new file mode 100644 (file)
index 0000000..228be3c
--- /dev/null
+++ b/examples/charms/layers/simple/reactive/simple.py
@@ -0,0 +1,44 @@
+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():
+    err = ''
+    try:
+        filename = action_get('filename')
+        cmd = ['touch {}'.format(filename)]
+        result, err = charms.sshproxy._run(cmd)
+    except:
+        action_fail('command failed:' + err)
+    else:
+        action_set({'output': result})
+    finally:
+        clear_flag('actions.touch')