github.com/kubewharf/katalyst-core@v0.5.3/pkg/consts/common.go (about) 1 /* 2 Copyright 2022 The Katalyst Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package consts 18 19 import ( 20 "math" 21 ) 22 23 const ( 24 ControlKnobON = "true" 25 ControlKnobOFF = "false" 26 ) 27 28 const ( 29 // OwnerReferenceIndex is the lookup name for the index function 30 OwnerReferenceIndex = "owner-reference-index" 31 // TargetReferenceIndex is the lookup name for the index function 32 TargetReferenceIndex = "target-reference-index" 33 // VPANameIndex is the lookup name for the index function 34 VPANameIndex = "vpa-name-index" 35 ) 36 37 // const variables for pod eviction reason identifier in event. 38 const ( 39 EventReasonEvictFailed = "EvictFailed" 40 EventReasonEvictCreated = "EvictCreated" 41 EventReasonEvictExceededGracePeriod = "EvictExceededGracePeriod" 42 EventReasonEvictSucceeded = "EvictSucceeded" 43 44 EventReasonContainerStopped = "ContainerStopped" 45 ) 46 47 // const variable for pod eviction action identifier in event. 48 const ( 49 EventActionEvicting = "Evicting" 50 EventActionContainerStopping = "ContainerStopping" 51 ) 52 53 // KeySeparator : to split parts of a key 54 const KeySeparator = "/" 55 56 // KatalystNodeDomainPrefix domain prefix for taint, label, annotation keys. 57 const KatalystNodeDomainPrefix = "node.katalyst.kubewharf.io" 58 59 // KatalystComponent defines the component name that current process is running as. 60 type KatalystComponent string 61 62 const ( 63 KatalystComponentAgent KatalystComponent = "agent" 64 KatalystComponentController KatalystComponent = "controller" 65 KatalystComponentWebhook KatalystComponent = "webhook" 66 KatalystComponentMetric KatalystComponent = "metric" 67 KatalystComponentScheduler KatalystComponent = "scheduler" 68 ) 69 70 // common fields for ordinary k8s objects. 71 const ( 72 ObjectFieldNameSpec = "spec" 73 ObjectFieldNameStatus = "status" 74 ) 75 76 // common disk types. 77 const ( 78 DiskTypeUnknown = 0 79 DiskTypeHDD = 1 80 DiskTypeSSD = 2 81 DiskTypeNVME = 3 82 ) 83 84 var ( 85 EXP1 = 1.0 / math.Exp(5.0/60.0) 86 EXP5 = 1.0 / math.Exp(5.0/300.0) 87 EXP15 = 1.0 / math.Exp(5.0/900.0) 88 )