Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 50 insertions, 0 deletions

diff --git a/src/pybind/mgr/telegraf/protocol.py b/src/pybind/mgr/telegraf/protocol.py
new file mode 100644
index 000000000..7cf8bbe9e
--- /dev/null
+++ b/src/pybind/mgr/telegraf/protocol.py
@@ -0,0 +1,50 @@
+from typing import Dict, Optional, Union
+
+from telegraf.utils import format_string, format_value, ValueType
+
+
+class Line(object):
+    def __init__(self,
+                 measurement: ValueType,
+                 values: Union[Dict[str, ValueType], ValueType],
+                 tags: Optional[Dict[str, str]] = None,
+                 timestamp: Optional[int] = None) -> None:
+        self.measurement = measurement
+        self.values = values
+        self.tags = tags
+        self.timestamp = timestamp
+
+    def get_output_measurement(self) -> str:
+        return format_string(self.measurement)
+
+    def get_output_values(self) -> str:
+        if not isinstance(self.values, dict):
+            metric_values = {'value': self.values}
+        else:
+            metric_values = self.values
+
+        sorted_values = sorted(metric_values.items())
+        sorted_values = [(k, v) for k, v in sorted_values if v is not None]
+
+        return ','.join('{0}={1}'.format(format_string(k), format_value(v)) for k, v in sorted_values)
+
+    def get_output_tags(self) -> str:
+        if not self.tags:
+            self.tags = dict()
+
+        sorted_tags = sorted(self.tags.items())
+
+        return ','.join('{0}={1}'.format(format_string(k), format_string(v)) for k, v in sorted_tags)
+
+    def get_output_timestamp(self) -> str:
+        return ' {0}'.format(self.timestamp) if self.timestamp else ''
+
+    def to_line_protocol(self) -> str:
+        tags = self.get_output_tags()
+
+        return '{0}{1} {2}{3}'.format(
+            self.get_output_measurement(),
+            "," + tags if tags else '',
+            self.get_output_values(),
+            self.get_output_timestamp()
+        )