Adding plugin for generating metrics from file content.

file_content.py

@@ -0,0 +1,63 @@
+#!/usr/bin/env python
+"""
+Rackspace Cloud Monitoring plugin to provide file content.
+
+Example usage includes, but is not limited to, monitoring version of OS.
+
+Copyright 2013 Steve Katen <[email protected]>
+Copyright 2022 Honza Maly <[email protected]>
+
+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.
+"""
+import sys
+import os
+import time
+
+
+def main():
+    if len(sys.argv) != 3:
+        print "Requires a full path to the target passed as an first argument, the format as second."
+        print "Expected formats are string, float, int32 etc OR version,"
+        print "which we do our best to convert to float in usefull way."
+        sys.exit(0)
+
+    path = sys.argv[1]
+    if not os.path.exists(path):
+        print "status err target does not exist"
+        sys.exit(0)
+
+    format = sys.argv[2]
+    try:
+        with open(path) as f:
+            lines = f.readlines()
+            print "status ok target exists"
+            i = 0
+            for l in lines:
+                i += 1
+                if format == 'version':
+                    p = l.strip().split('.')
+                    major = float(p.pop(0))
+                    minor = 0
+                    if p:
+                        for j in reversed(p):
+                            minor = minor + float(j)
+                            minor = minor / 100
+                    print "metric line%d double %0.10f" % (i, major + minor)
+                else:
+                    print "metric line%d %s %s" % (i, format, l.strip())
+    except Exception, e:
+        print "status err Exception discovered: {}".format(str(e))
+
+
+if __name__ == '__main__':
+    main()