PLT-4357 adding performance monitoring (#4622)

* WIP

* WIP

* Adding metrics collection

* updating vendor packages

* Adding metrics to config

* Adding admin console page for perf monitoring

* Updating glide

* switching to tylerb/graceful

1 files changed, 118 insertions, 0 deletions

diff --git a/vendor/github.com/prometheus/common/model/alert_test.go b/vendor/github.com/prometheus/common/model/alert_test.go
new file mode 100644
index 000000000..9692bca21
--- /dev/null
+++ b/vendor/github.com/prometheus/common/model/alert_test.go
@@ -0,0 +1,118 @@
+// Copyright 2013 The Prometheus Authors
+// 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.
+
+package model
+
+import (
+	"strings"
+	"testing"
+	"time"
+)
+
+func TestAlertValidate(t *testing.T) {
+	ts := time.Now()
+
+	var cases = []struct {
+		alert *Alert
+		err   string
+	}{
+		{
+			alert: &Alert{
+				Labels:   LabelSet{"a": "b"},
+				StartsAt: ts,
+			},
+		},
+		{
+			alert: &Alert{
+				Labels: LabelSet{"a": "b"},
+			},
+			err: "start time missing",
+		},
+		{
+			alert: &Alert{
+				Labels:   LabelSet{"a": "b"},
+				StartsAt: ts,
+				EndsAt:   ts,
+			},
+		},
+		{
+			alert: &Alert{
+				Labels:   LabelSet{"a": "b"},
+				StartsAt: ts,
+				EndsAt:   ts.Add(1 * time.Minute),
+			},
+		},
+		{
+			alert: &Alert{
+				Labels:   LabelSet{"a": "b"},
+				StartsAt: ts,
+				EndsAt:   ts.Add(-1 * time.Minute),
+			},
+			err: "start time must be before end time",
+		},
+		{
+			alert: &Alert{
+				StartsAt: ts,
+			},
+			err: "at least one label pair required",
+		},
+		{
+			alert: &Alert{
+				Labels:   LabelSet{"a": "b", "!bad": "label"},
+				StartsAt: ts,
+			},
+			err: "invalid label set: invalid name",
+		},
+		{
+			alert: &Alert{
+				Labels:   LabelSet{"a": "b", "bad": "\xfflabel"},
+				StartsAt: ts,
+			},
+			err: "invalid label set: invalid value",
+		},
+		{
+			alert: &Alert{
+				Labels:      LabelSet{"a": "b"},
+				Annotations: LabelSet{"!bad": "label"},
+				StartsAt:    ts,
+			},
+			err: "invalid annotations: invalid name",
+		},
+		{
+			alert: &Alert{
+				Labels:      LabelSet{"a": "b"},
+				Annotations: LabelSet{"bad": "\xfflabel"},
+				StartsAt:    ts,
+			},
+			err: "invalid annotations: invalid value",
+		},
+	}
+
+	for i, c := range cases {
+		err := c.alert.Validate()
+		if err == nil {
+			if c.err == "" {
+				continue
+			}
+			t.Errorf("%d. Expected error %q but got none", i, c.err)
+			continue
+		}
+		if c.err == "" && err != nil {
+			t.Errorf("%d. Expected no error but got %q", i, err)
+			continue
+		}
+		if !strings.Contains(err.Error(), c.err) {
+			t.Errorf("%d. Expected error to contain %q but got %q", i, c.err, err)
+		}
+	}
+}