Alerting: support alerting on data.Frame (that can be time series) (#22812)

data.Frame (that can be series) are converted to as tsdb.TimeSeriesSlice - so new backend plugins can be shimmed into existing alerting

use sdk v0.31.0

vendor/github.com/xorcare/pointer/pointer.go

@@ -0,0 +1,126 @@
+// Copyright © 2019-2020 Vasiliy Vasilyuk. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package pointer contains helper routines for simplifying the creation
+// of optional fields of basic type.
+package pointer
+
+import (
+	"reflect"
+	"time"
+)
+
+// Any is a helper routine that allocates a new interface value
+// to store v and returns a pointer to it.
+//
+// 	// Usage: var _ *Type = pointer.Any(Type(value) | value).(*Type)
+//
+// 	var _ *bool = pointer.Any(true).(*bool)
+// 	var _ *byte = pointer.Any(byte(1)).(*byte)
+// 	var _ *complex64 = pointer.Any(complex64(1.1)).(*complex64)
+// 	var _ *complex128 = pointer.Any(complex128(1.1)).(*complex128)
+// 	var _ *float32 = pointer.Any(float32(1.1)).(*float32)
+// 	var _ *float64 = pointer.Any(float64(1.1)).(*float64)
+// 	var _ *int = pointer.Any(int(1)).(*int)
+// 	var _ *int8 = pointer.Any(int8(8)).(*int8)
+// 	var _ *int16 = pointer.Any(int16(16)).(*int16)
+// 	var _ *int32 = pointer.Any(int32(32)).(*int32)
+// 	var _ *int64 = pointer.Any(int64(64)).(*int64)
+// 	var _ *rune = pointer.Any(rune(1)).(*rune)
+// 	var _ *string = pointer.Any("ptr").(*string)
+// 	var _ *uint = pointer.Any(uint(1)).(*uint)
+// 	var _ *uint8 = pointer.Any(uint8(8)).(*uint8)
+// 	var _ *uint16 = pointer.Any(uint16(16)).(*uint16)
+// 	var _ *uint32 = pointer.Any(uint32(32)).(*uint32)
+// 	var _ *uint64 = pointer.Any(uint64(64)).(*uint64)
+// 	var _ *uintptr = pointer.Any(uintptr(64)).(*uintptr)
+func Any(v interface{}) interface{} {
+	r := reflect.New(reflect.TypeOf(v))
+	reflect.ValueOf(r.Interface()).Elem().Set(reflect.ValueOf(v))
+	return r.Interface()
+}
+
+// Bool is a helper routine that allocates a new bool value
+// to store v and returns a pointer to it.
+func Bool(v bool) *bool { return &v }
+
+// Byte is a helper routine that allocates a new byte value
+// to store v and returns a pointer to it.
+func Byte(v byte) *byte { return &v }
+
+// Complex64 is a helper routine that allocates a new complex64 value
+// to store v and returns a pointer to it.
+func Complex64(v complex64) *complex64 { return &v }
+
+// Complex128 is a helper routine that allocates a new complex128 value
+// to store v and returns a pointer to it.
+func Complex128(v complex128) *complex128 { return &v }
+
+// Float32 is a helper routine that allocates a new float32 value
+// to store v and returns a pointer to it.
+func Float32(v float32) *float32 { return &v }
+
+// Float64 is a helper routine that allocates a new float64 value
+// to store v and returns a pointer to it.
+func Float64(v float64) *float64 { return &v }
+
+// Int is a helper routine that allocates a new int value
+// to store v and returns a pointer to it.
+func Int(v int) *int { return &v }
+
+// Int8 is a helper routine that allocates a new int8 value
+// to store v and returns a pointer to it.
+func Int8(v int8) *int8 { return &v }
+
+// Int16 is a helper routine that allocates a new int16 value
+// to store v and returns a pointer to it.
+func Int16(v int16) *int16 { return &v }
+
+// Int32 is a helper routine that allocates a new int32 value
+// to store v and returns a pointer to it.
+func Int32(v int32) *int32 { return &v }
+
+// Int64 is a helper routine that allocates a new int64 value
+// to store v and returns a pointer to it.
+func Int64(v int64) *int64 { return &v }
+
+// Rune is a helper routine that allocates a new rune value
+// to store v and returns a pointer to it.
+func Rune(v rune) *rune { return &v }
+
+// String is a helper routine that allocates a new string value
+// to store v and returns a pointer to it.
+func String(v string) *string { return &v }
+
+// Uint is a helper routine that allocates a new uint value
+// to store v and returns a pointer to it.
+func Uint(v uint) *uint { return &v }
+
+// Uint8 is a helper routine that allocates a new uint8 value
+// to store v and returns a pointer to it.
+func Uint8(v uint8) *uint8 { return &v }
+
+// Uint16 is a helper routine that allocates a new uint16 value
+// to store v and returns a pointer to it.
+func Uint16(v uint16) *uint16 { return &v }
+
+// Uint32 is a helper routine that allocates a new uint32 value
+// to store v and returns a pointer to it.
+func Uint32(v uint32) *uint32 { return &v }
+
+// Uint64 is a helper routine that allocates a new uint64 value
+// to store v and returns a pointer to it.
+func Uint64(v uint64) *uint64 { return &v }
+
+// Uintptr is a helper routine that allocates a new uintptr value
+// to store v and returns a pointer to it.
+func Uintptr(v uintptr) *uintptr { return &v }
+
+// Time is a helper routine that allocates a new time.Time value
+// to store v and returns a pointer to it.
+func Time(v time.Time) *time.Time { return &v }
+
+// Duration is a helper routine that allocates a new time.Duration value
+// to store v and returns a pointer to it.
+func Duration(v time.Duration) *time.Duration { return &v }