TestMu Conference is Back! Future of Testing + AI LambdaTest G2 Announcement

How to use Kind method of slack Package

Best Testkube code snippet using slack.Kind

revocable.go

Source:revocable.go

1// Copyright (c) 2019 Uber Technologies, Inc.2//3// Licensed under the Apache License, Version 2.0 (the "License");4// you may not use this file except in compliance with the License.5// You may obtain a copy of the License at6//7//    http://www.apache.org/licenses/LICENSE-2.08//9// Unless required by applicable law or agreed to in writing, software10// distributed under the License is distributed on an "AS IS" BASIS,11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.12// See the License for the specific language governing permissions and13// limitations under the License.14package entitlement15import (16	log "github.com/sirupsen/logrus"17	"github.com/uber/peloton/pkg/common"18	"github.com/uber/peloton/pkg/common/util"19	"github.com/uber/peloton/pkg/resmgr/respool"20	"github.com/uber/peloton/pkg/resmgr/scalar"21)22// Setting slack entitlement is a 3 phase process for revocable resources23// and non-revocable resources derived from total entitlement (previous step)24//25// Setting non-slack entitlement = total_entitlement - slack_entitlement26//27// 1 Calculate assignments for non-revocable resources [mem,disk,gpu]28// capped by slack limit.29//30// 2 For revocable tasks, distribute revocable resources to satisfy demand31//32// 3 Once the demand is zero, distribute remaining based on share33//   for revocable tasks34func (c *Calculator) setSlackAndNonSlackEntitlementForChildren(35	resp respool.ResPool) {36	if resp == nil {37		return38	}39	childs := resp.Children()40	slackEntitlement := resp.GetSlackEntitlement().Clone()41	slackAssignments := make(map[string]*scalar.Resources)42	slackDemands := make(map[string]*scalar.Resources)43	totalShare := make(map[string]float64)44	log.WithFields(log.Fields{45		"respool_name":      resp.Name(),46		"respool_id":        resp.ID(),47		"slack_entitlement": slackEntitlement.String(),48	}).Info("Starting Slack Entitlement cycle for respool")49	// This is first phase for assignment capped at slack limit50	c.calculateSlackAssignmentFromSlackLimit(51		resp,52		slackDemands,53		slackEntitlement,54		slackAssignments,55		totalShare)56	// This is second phase for revocable/slack resources to satisfy demand57	c.distrubuteSlackResourcesToSatisfyDemand(58		resp,59		slackDemands,60		slackEntitlement,61		slackAssignments,62		totalShare)63	// Third phase for slack entitlement calculation to distribute64	// any revocable resources [cpus] left65	c.distributeUnclaimedSlackResources(66		resp,67		slackEntitlement,68		slackAssignments)69	// Update each resource pool metrics post entitlement calculation70	resp.UpdateResourceMetrics()71	log.WithFields(log.Fields{72		"respool_name": resp.Name(),73		"respool_id":   resp.ID(),74	}).Info("Completed Slack Entitlement cycle for respool")75	// Now setting entitlement for all the children and call76	// for their children recursively77	for e := childs.Front(); e != nil; e = e.Next() {78		n := e.Value.(respool.ResPool)79		n.SetSlackEntitlement(slackAssignments[n.ID()])80		c.setSlackAndNonSlackEntitlementForChildren(n)81	}82}83// calculateSlackAssignmentFromSlackLimit calculates assigments84// for non-revocable resources [mem,disk,gpu] to cap at slack limit85// and revocable resources [cpus] equal to allocation.86func (c *Calculator) calculateSlackAssignmentFromSlackLimit(87	resp respool.ResPool,88	slackDemands map[string]*scalar.Resources,89	slackEntitlement *scalar.Resources,90	slackAssignments map[string]*scalar.Resources,91	totalShare map[string]float64) {92	childs := resp.Children()93	cloneSlackEntitlement := slackEntitlement.Clone()94	for e := childs.Front(); e != nil; e = e.Next() {95		n := e.Value.(respool.ResPool)96		// CPU is the only revocable resource97		slackDemands[n.ID()] = &scalar.Resources{98			CPU: n.GetSlackDemand().CPU,99		}100		totalShare[common.CPU] += n.Resources()[common.CPU].GetShare()101		// get the requirements102		// Non-Revocable resources demand & allocation can change between calculating103		// total entitlement versus setting non-slack entitlement.104		// As this will be taken care in next iteration, it is ok.105		// ToDo: Use same demand + allocation throughout entitlement calculation106		slackRequirement := c.getSlackResourcesRequirement(n)107		nonSlackRequirement := c.getNonSlackResourcesRequirement(n)108		// lets see if total-entitlement > non-revoc requirement109		// this is done to satisfy the requirements for non-revocable tasks first,110		// any resources left after are given for revocable tasks111		remainingForSlack := n.GetEntitlement().Subtract(nonSlackRequirement)112		// Here remainingForSlack could be zero, in that case we don;t give113		// any resources for revocable tasks.114		//115		// If it is non-zero we give at most the required resources and not116		// all. These resources given for revocable jobs is capped at the slackLimit117		//118		// Get MIN(available, requirement) of non-revocable resources for revocable tasks119		slackAssignment := scalar.Min(remainingForSlack, slackRequirement)120		if slackAssignment.Equal(scalar.ZeroResource) {121			// nothing left for revocable tasks.122			// set the non-revocable entitlement = total entitlement123			n.SetNonSlackEntitlement(n.GetEntitlement())124		} else {125			// non revocable requirement is less than the total entitlement126			// lets satisfy all that non-revocable requirement + elastic resources.127			n.SetNonSlackEntitlement(n.GetEntitlement().Subtract(slackAssignment))128		}129		slackAssignment.CPU = n.GetSlackAllocatedResources().GetCPU()130		slackAssignments[n.ID()] = slackAssignment.Clone()131		cloneSlackEntitlement = cloneSlackEntitlement.Subtract(slackAssignment)132		log.WithFields(log.Fields{133			"respool_id":        n.ID(),134			"respool_name":      n.Name(),135			"slack_available":   remainingForSlack.String(),136			"slack_requirement": slackRequirement.String(),137			"slack_assignment":  slackAssignment.String(),138		}).Info("First phase of slack entitlement calculation completed")139	}140	slackEntitlement.Copy(cloneSlackEntitlement)141}142// distrubuteSlackResourcesToSatisfyDemand, so far slack assignment is set for143// non-revocable resources [mem,disk,gpu] and allocation of slack/revocable cpus.144// this phase will satisfy revocable cpus demand using fair share distribution145// of remaining revocable resources after allocation.146func (c *Calculator) distrubuteSlackResourcesToSatisfyDemand(147	resp respool.ResPool,148	slackDemands map[string]*scalar.Resources,149	slackEntitlement *scalar.Resources,150	slackAssignments map[string]*scalar.Resources,151	totalShare map[string]float64) {152	remaining := *slackEntitlement153	kind := common.CPU154	childs := resp.Children()155	for remaining.Get(kind) > util.ResourceEpsilon &&156		c.demandExist(slackDemands, kind) {157		for e := childs.Front(); e != nil; e = e.Next() {158			n := e.Value.(respool.ResPool)159			if remaining.Get(kind) < util.ResourceEpsilon {160				break161			}162			if slackDemands[n.ID()].Get(kind) < util.ResourceEpsilon {163				continue164			}165			// calculate fair share value that can satisfy demand for166			// slack or revocable resources [cpus]167			value := float64(n.Resources()[kind].Share *168				slackEntitlement.Get(kind))169			value = float64(value / totalShare[kind])170			// Checking if demand is less then the current share171			// if yes then cap it to demand and distribute rest172			// to others173			if value > slackDemands[n.ID()].Get(kind) {174				value = slackDemands[n.ID()].Get(kind)175				slackDemands[n.ID()].Set(kind, 0)176			} else {177				slackDemands[n.ID()].Set(178					kind, float64(slackDemands[n.ID()].Get(kind)-value))179			}180			if remaining.Get(kind) > value {181				remaining.Set(kind, float64(remaining.Get(kind)-value))182			} else {183				// Caping the fair share with the remaining184				// resources for resource kind185				value = remaining.Get(kind)186				remaining.Set(kind, float64(0))187			}188			value += slackAssignments[n.ID()].Get(kind)189			slackAssignments[n.ID()].Set(kind, value)190			log.WithFields(log.Fields{191				"respool_name":               n.Name(),192				"respool_id":                 n.ID(),193				"slack_assignment":           slackAssignments[n.ID()],194				"slack_demand_not_satisfied": slackDemands[n.ID()],195			}).Info("Second phase of slack entitlement calculation completed")196		}197		*slackEntitlement = remaining198	}199}200// distributeUnclaimedSlackResources distributes remanining revocable cpus201// for future demand till next entitlement cycle begins.202func (c *Calculator) distributeUnclaimedSlackResources(203	resp respool.ResPool,204	slackEntitlement *scalar.Resources,205	slackAssignments map[string]*scalar.Resources) {206	childs := resp.Children()207	for _, kind := range []string{208		common.CPU} {209		// Third pass : Now all the demand is been satisfied210		// we need to distribute the rest of the entitlement211		// to all the nodes for the anticipation of some work212		// load and not starve everybody till next cycle213		if slackEntitlement.Get(kind) > util.ResourceEpsilon {214			totalChildShare := c.getChildShare(resp, kind)215			for e := childs.Front(); e != nil; e = e.Next() {216				n := e.Value.(respool.ResPool)217				nshare := n.Resources()[kind].Share218				value := slackAssignments[n.ID()].Get(kind)219				if nshare > 0 {220					value += float64(nshare / totalChildShare * slackEntitlement.Get(kind))221				}222				slackAssignments[n.ID()].Set(kind, value)223				log.WithFields(log.Fields{224					"respool_name":           n.Name(),225					"respool_id":             n.ID(),226					"final_slack_assignment": slackAssignments[n.ID()],227				}).Info("Third phase of slack entitlement calculation completed")228			}229		}230	}231}232// getSlackResourcesRequirement returns the non-revocable resources required233// for revocable tasks capped to slack limit.234func (c *Calculator) getSlackResourcesRequirement(235	n respool.ResPool) *scalar.Resources {236	// Revocable tasks are limited for non-revocable resources [mem,disk,gpu]237	// slack limited = Min(slack limit, revocable tasks: demand + allocation)238	slackRequest := n.GetSlackAllocatedResources().Add(n.GetSlackDemand())239	return scalar.Min(n.GetSlackLimit(), slackRequest)240}...

slack.go

Source:slack.go

...112	attachment := slack.Attachment{113		Pretext: fmt.Sprintf("*%s*", event.Title),114		Fields: []slack.AttachmentField{115			{116				Title: "Kind",117				Value: event.Kind,118				Short: true,119			},120			{121				Title: "Name",122				Value: event.Name,123				Short: true,124			},125		},126		Footer: "BotKube",127	}128	if event.Namespace != "" {129		attachment.Fields = append(attachment.Fields, slack.AttachmentField{130			Title: "Namespace",131			Value: event.Namespace,132			Short: true,133		})134	}135	if event.Reason != "" {136		attachment.Fields = append(attachment.Fields, slack.AttachmentField{137			Title: "Reason",138			Value: event.Reason,139			Short: true,140		})141	}142	if len(event.Messages) > 0 {143		message := ""144		for _, m := range event.Messages {145			message += fmt.Sprintf("%s\n", m)146		}147		attachment.Fields = append(attachment.Fields, slack.AttachmentField{148			Title: "Message",149			Value: message,150		})151	}152	if event.Action != "" {153		attachment.Fields = append(attachment.Fields, slack.AttachmentField{154			Title: "Action",155			Value: event.Action,156		})157	}158	if len(event.Recommendations) > 0 {159		rec := ""160		for _, r := range event.Recommendations {161			rec += fmt.Sprintf("%s\n", r)162		}163		attachment.Fields = append(attachment.Fields, slack.AttachmentField{164			Title: "Recommendations",165			Value: rec,166		})167	}168	if len(event.Warnings) > 0 {169		warn := ""170		for _, w := range event.Warnings {171			warn += fmt.Sprintf("%s\n", w)172		}173		attachment.Fields = append(attachment.Fields, slack.AttachmentField{174			Title: "Warnings",175			Value: warn,176		})177	}178	// Add clustername in the message179	attachment.Fields = append(attachment.Fields, slack.AttachmentField{180		Title: "Cluster",181		Value: event.Cluster,182	})183	return attachment184}185func slackShortNotification(event events.Event) slack.Attachment {186	return slack.Attachment{187		Title: event.Title,188		Fields: []slack.AttachmentField{189			{190				Value: FormatShortMessage(event),191			},192		},193		Footer: "BotKube",194	}195}196// FormatShortMessage prepares message in short event format197func FormatShortMessage(event events.Event) (msg string) {198	additionalMsg := ""199	if len(event.Messages) > 0 {200		for _, m := range event.Messages {201			additionalMsg += fmt.Sprintf("%s\n", m)202		}203	}204	if len(event.Recommendations) > 0 {205		recommend := ""206		for _, m := range event.Recommendations {207			recommend += fmt.Sprintf("- %s\n", m)208		}209		additionalMsg += fmt.Sprintf("Recommendations:\n%s", recommend)210	}211	if len(event.Warnings) > 0 {212		warning := ""213		for _, m := range event.Warnings {214			warning += fmt.Sprintf("- %s\n", m)215		}216		additionalMsg += fmt.Sprintf("Warnings:\n%s", warning)217	}218	switch event.Type {219	case config.CreateEvent, config.DeleteEvent, config.UpdateEvent:220		switch event.Kind {221		case "Namespace", "Node", "PersistentVolume", "ClusterRole", "ClusterRoleBinding":222			msg = fmt.Sprintf(223				"%s *%s* has been %s in *%s* cluster\n",224				event.Kind,225				event.Name,226				event.Type+"d",227				event.Cluster,228			)229		default:230			msg = fmt.Sprintf(231				"%s *%s/%s* has been %s in *%s* cluster\n",232				event.Kind,233				event.Namespace,234				event.Name,235				event.Type+"d",236				event.Cluster,237			)238		}239	case config.ErrorEvent:240		switch event.Kind {241		case "Namespace", "Node", "PersistentVolume", "ClusterRole", "ClusterRoleBinding":242			msg = fmt.Sprintf(243				"Error Occurred in %s: *%s* in *%s* cluster\n",244				event.Kind,245				event.Name,246				event.Cluster,247			)248		default:249			msg = fmt.Sprintf(250				"Error Occurred in %s: *%s/%s* in *%s* cluster\n",251				event.Kind,252				event.Namespace,253				event.Name,254				event.Cluster,255			)256		}257	case config.WarningEvent:258		switch event.Kind {259		case "Namespace", "Node", "PersistentVolume", "ClusterRole", "ClusterRoleBinding":260			msg = fmt.Sprintf(261				"Warning %s: *%s* in *%s* cluster\n",262				event.Kind,263				event.Name,264				event.Cluster,265			)266		default:267			msg = fmt.Sprintf(268				"Warning %s: *%s/%s* in *%s* cluster\n",269				event.Kind,270				event.Namespace,271				event.Name,272				event.Cluster,273			)274		}275	case config.InfoEvent, config.NormalEvent:276		switch event.Kind {277		case "Namespace", "Node", "PersistentVolume", "ClusterRole", "ClusterRoleBinding":278			msg = fmt.Sprintf(279				"%s Info: *%s* in *%s* cluster\n",280				event.Kind,281				event.Name,282				event.Cluster,283			)284		default:285			msg = fmt.Sprintf(286				"%s Info: *%s/%s* in *%s* cluster\n",287				event.Kind,288				event.Namespace,289				event.Name,290				event.Cluster,291			)292		}293	}294	// Add message in the attachment if there is any295	if len(additionalMsg) > 0 {296		msg += fmt.Sprintf("```\n%s```", additionalMsg)297	}298	return msg299}...

zz_slackchannel_types.go

Source:zz_slackchannel_types.go

...79	Items           []SlackChannel `json:"items"`80}81// Repository type metadata.82var (83	SlackChannel_Kind             = "SlackChannel"84	SlackChannel_GroupKind        = schema.GroupKind{Group: CRDGroup, Kind: SlackChannel_Kind}.String()85	SlackChannel_KindAPIVersion   = SlackChannel_Kind + "." + CRDGroupVersion.String()86	SlackChannel_GroupVersionKind = CRDGroupVersion.WithKind(SlackChannel_Kind)87)88func init() {89	SchemeBuilder.Register(&SlackChannel{}, &SlackChannelList{})90}...

Kind

Using AI Code Generation

1slack := &Slack{}2slack.Kind()3slack := &Slack{}4slack.Kind()5slack := &Slack{}6slack.Kind()7slack := &Slack{}8slack.Kind()9slack := &Slack{}10slack.Kind()11slack := &Slack{}12slack.Kind()13slack := &Slack{}14slack.Kind()15slack := &Slack{}16slack.Kind()17slack := &Slack{}18slack.Kind()19slack := &Slack{}20slack.Kind()21slack := &Slack{}22slack.Kind()23slack := &Slack{}24slack.Kind()25slack := &Slack{}26slack.Kind()27slack := &Slack{}28slack.Kind()29slack := &Slack{}30slack.Kind()31slack := &Slack{}32slack.Kind()33slack := &Slack{}34slack.Kind()35slack := &Slack{}36slack.Kind()37slack := &Slack{}38slack.Kind()

Kind

Using AI Code Generation

1import (2func main() {3    fmt.Println(slack.Kind())4}5import (6func main() {7    fmt.Println(slack.Kind())8}9import (10func main() {11    fmt.Println(slack.Kind())12}13import (14func main() {15    fmt.Println(slack.Kind())16}17import (18func main() {19    fmt.Println(slack.Kind())20}21import (22func main() {23    fmt.Println(slack.Kind())24}25import (26func main() {27    fmt.Println(slack.Kind())28}29import (30func main() {31    fmt.Println(slack.Kind())32}33import (34func main() {35    fmt.Println(slack.Kind())36}37import (38func main() {39    fmt.Println(slack.Kind())40}41import (42func main() {43    fmt.Println(slack.Kind

Kind

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello, playground")4    fmt.Println(slack.Kind())5}6import "fmt"7type slack struct {8}9func (s slack) Kind() string {10}11func main() {12    fmt.Println("Hello, playground")13}

Kind

Using AI Code Generation

1import "fmt"2}3}4func main() {5 fmt.Println(s.Kind())6}7import "fmt"8}9}10func main() {11 fmt.Println(s.Kind())12}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.