How to use Swap method of install Package

Best Gauge code snippet using install.Swap

install_plans.go

Source:install_plans.go Github

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...183 return &resource.RPM{Name: binName, Version: version, DisableExcludes: "kubernetes"}184 }, nil185}186// BuildK8SPlan creates a plan for running kubernetes on a node187func BuildK8SPlan(kubernetesVersion string, kubeletNodeIP string, seLinuxInstalled, setSELinuxPermissive, disableSwap, lockYUMPkgs bool, pkgType resource.PkgType, cloudProvider string, extraArgs map[string]string, binInstaller func(string, string) plan.Resource, flavor *eksd.EKSD) plan.Resource {188 b := plan.NewBuilder()189 // Kubernetes repos190 switch pkgType {191 case resource.PkgTypeRPM, resource.PkgTypeRHEL:192 // do nothing193 case resource.PkgTypeDeb:194 // XXX: Workaround for https://github.com/weaveworks/wksctl/issues/654 : *.gpg is a binary format, and currently wks is unable to handle195 // binary files in the configuration configmap. Therefore, I needed to supply the *.gpg contents base64-encoded.196 // In a world without that bug, one could just use the "!!binary"" YAML format in the configmap and store the *.gpg there directly.197 b.AddResource("configure:kubernetes-repo-key", &resource.Run{198 Script: object.String("base64 -d /tmp/cloud-google-com.gpg.b64 > /etc/apt/trusted.gpg.d/cloud-google-com.gpg"),199 })200 repoLine := "deb https://apt.kubernetes.io/ kubernetes-xenial main"201 repoFile := "/etc/apt/sources.list.d/wks-google.list"202 sedExpr := fmt.Sprintf(`\!%s!d`, repoLine) // same as '/%s/d' but allows '/' in %s203 b.AddResource("configure:kubernetes-repo", &resource.Run{204 Script: object.String(fmt.Sprintf("echo %q | tee -a %q", repoLine, repoFile)),205 UndoScript: object.String(fmt.Sprintf(`test ! -f %q || sed -i '%s' %q`, repoFile, sedExpr, repoFile)),206 }, plan.DependOn("configure:kubernetes-repo-key"))207 }208 // If SELinux is already installed and we need to set SELinux to permissive mode, do it209 if seLinuxInstalled && setSELinuxPermissive {210 b.AddResource(211 "selinux:permissive",212 &resource.Run{213 Script: object.String("setenforce 0 && sed -i 's/^SELINUX=enforcing$/SELINUX=permissive/' /etc/selinux/config"),214 UndoScript: object.String("setenforce 1 && sed -i 's/^SELINUX=permissive$/SELINUX=enforcing/' /etc/selinux/config || true"),215 })216 }217 // Install k8s packages218 switch pkgType {219 case resource.PkgTypeRPM, resource.PkgTypeRHEL:220 if flavor != nil {221 b.AddResource("install:kubelet-package", &resource.RPM{Name: "kubelet", Version: kubernetesVersion, DisableExcludes: "kubernetes"})222 b.AddResource(223 "cleanup:kubelet",224 &resource.Run{Script: object.String("pkill kubelet | true")},225 plan.DependOn("install:kubelet-package"))226 b.AddResource("install:kubelet", binInstaller("kubelet", kubernetesVersion), plan.DependOn("cleanup:kubelet"))227 } else {228 b.AddResource("install:kubelet", binInstaller("kubelet", kubernetesVersion))229 }230 b.AddResource("install:kubectl", binInstaller("kubectl", kubernetesVersion))231 b.AddResource("install:kubeadm",232 binInstaller("kubeadm", kubernetesVersion),233 plan.DependOn("install:kubectl"),234 plan.DependOn("install:kubelet"),235 )236 case resource.PkgTypeDeb:237 // TODO(michal): Install the newest release version by default instead of hardcoding "-00".238 if flavor != nil {239 b.AddResource("install:kubelet-package", &resource.Deb{Name: "kubelet", Suffix: "=" + kubernetesVersion + "-00"},240 plan.DependOn("configure:kubernetes-repo"))241 b.AddResource(242 "cleanup:kubelet",243 &resource.Run{Script: object.String("pkill kubelet | true")},244 plan.DependOn("install:kubelet-package"))245 b.AddResource("install:kubelet", binInstaller("kubelet", kubernetesVersion), plan.DependOn("cleanup:kubelet"))246 } else {247 b.AddResource("install:kubelet", binInstaller("kubelet", kubernetesVersion), plan.DependOn("configure:kubernetes-repo"))248 }249 b.AddResource("install:kubeadm", binInstaller("kubeadm", kubernetesVersion), plan.DependOn("configure:kubernetes-repo"), plan.DependOn("install:kubelet"))250 b.AddResource("install:kubectl", binInstaller("kubectl", kubernetesVersion), plan.DependOn("configure:kubernetes-repo"))251 }252 if lockYUMPkgs {253 b.AddResource(254 "lock-package:kubernetes",255 &resource.Run{256 Script: object.String("yum versionlock add 'kube*'"),257 // If we never installed yum-plugin-versionlock or kubernetes, this should not fail258 UndoScript: object.String("yum versionlock delete 'kube*' || true")},259 plan.DependOn("install:kubectl"),260 )261 }262 b.AddResource(263 "create-dir:kubelet.service.d",264 &resource.Dir{Path: object.String("/etc/systemd/system/kubelet.service.d")},265 )266 b.AddResource(267 "install:kubeadm-conf",268 &resource.File{Content: `# Note: This dropin only works with kubeadm and kubelet v1.11+269[Service]270Environment="KUBELET_KUBECONFIG_ARGS=--bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf --kubeconfig=/etc/kubernetes/kubelet.conf"271Environment="KUBELET_CONFIG_ARGS=--config=/var/lib/kubelet/config.yaml"272# This is a file that "kubeadm init" and "kubeadm join" generates at runtime, populating the KUBELET_KUBEADM_ARGS variable dynamically273EnvironmentFile=-/var/lib/kubelet/kubeadm-flags.env274# This is a file that the user can use for overrides of the kubelet args as a last resort. Preferably, the user should use275# the .NodeRegistration.KubeletExtraArgs object in the configuration files instead. KUBELET_EXTRA_ARGS should be sourced from this file.276EnvironmentFile=-/etc/default/kubelet277ExecStart=278ExecStart=/usr/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS`,279 Destination: "/etc/systemd/system/kubelet.service.d/10-kubeadm.conf"},280 plan.DependOn("create-dir:kubelet.service.d"))281 kubeletDeps := []string{"install:kubeadm-conf"}282 processCloudProvider := func(cmdline string) string {283 if cloudProvider != "" {284 log.WithField("cloudProvider", cloudProvider).Debug("using cloud provider")285 return fmt.Sprintf("%s --cloud-provider=%s\n", cmdline, cloudProvider)286 }287 return cmdline + "\n"288 }289 processAdditionalArgs := func(cmdline string) string {290 result := cmdline291 strs := []string{}292 for name, value := range extraArgs {293 strs = append(strs, fmt.Sprintf("--%s='%s'", name, value))294 }295 sort.Strings(strs)296 for _, str := range strs {297 result = fmt.Sprintf("%s %s", result, str)298 }299 return processCloudProvider(result)300 }301 switch pkgType {302 case resource.PkgTypeRPM, resource.PkgTypeRHEL:303 if disableSwap {304 swapDisable := "configure:kubernetes-swap-disable"305 kubeletDeps = append(kubeletDeps, swapDisable)306 b.AddResource(307 swapDisable,308 buildDisableSwapPlan(),309 plan.DependOn("create-dir:kubelet.service.d"))310 kubeletSysconfig := "configure:kubelet-sysconfig"311 b.AddResource(312 kubeletSysconfig,313 &resource.File{314 Content: processAdditionalArgs(fmt.Sprintf("KUBELET_EXTRA_ARGS=--node-ip=%s", kubeletNodeIP)),315 Destination: "/etc/default/kubelet"},316 plan.DependOn("create-dir:kubelet.service.d", "install:kubelet"))317 kubeletDeps = append(kubeletDeps, kubeletSysconfig)318 } else {319 kubeletSysconfig := "configure:kubelet-sysconfig"320 kubeletDeps = append(kubeletDeps, kubeletSysconfig)321 b.AddResource(322 kubeletSysconfig,323 &resource.File{324 Content: processAdditionalArgs(fmt.Sprintf("KUBELET_EXTRA_ARGS=--fail-swap-on=false --node-ip=%s", kubeletNodeIP)),325 Destination: "/etc/default/kubelet"},326 plan.DependOn("create-dir:kubelet.service.d", "install:kubelet"))327 }328 case resource.PkgTypeDeb:329 if disableSwap {330 swapDisable := "configure:kubernetes-swap-disable"331 kubeletDeps = append(kubeletDeps, swapDisable)332 b.AddResource(333 swapDisable,334 buildDisableSwapPlan(),335 plan.DependOn("create-dir:kubelet.service.d"))336 kubeletDefault := "configure:kubelet-default"337 kubeletDeps = append(kubeletDeps, kubeletDefault)338 b.AddResource(339 kubeletDefault,340 &resource.File{341 Content: processAdditionalArgs(fmt.Sprintf("KUBELET_EXTRA_ARGS=--node-ip=%s", kubeletNodeIP)),342 Destination: "/etc/default/kubelet"},343 plan.DependOn("create-dir:kubelet.service.d", "install:kubelet"))344 } else {345 kubeletDefault := "configure:kubelet-default"346 kubeletDeps = append(kubeletDeps, kubeletDefault)347 b.AddResource(348 kubeletDefault,349 &resource.File{350 Content: processAdditionalArgs(fmt.Sprintf("KUBELET_EXTRA_ARGS=--fail-swap-on=false --node-ip=%s", kubeletNodeIP)),351 Destination: "/etc/default/kubelet"},352 plan.DependOn("create-dir:kubelet.service.d", "install:kubelet"))353 }354 }355 b.AddResource(356 "systemd:daemon-reload",357 &resource.Run{Script: object.String("systemctl daemon-reload")},358 plan.DependOn("create-dir:kubelet.service.d", "install:kubelet"))359 b.AddResource(360 "service-init:kubelet",361 &resource.Service{Name: "kubelet", Status: "active", Enabled: true},362 plan.DependOn("systemd:daemon-reload", kubeletDeps...))363 p, err := b.Plan()364 if err != nil {365 log.Fatalf("%v", err)366 }367 return &p368}369// BuildDisableSwapPlan turns off swap and removes swap entries from /etc/fstab so swap will remain disabled on reboot370func buildDisableSwapPlan() plan.Resource {371 b := plan.NewBuilder()372 b.AddResource("configure:disable-swap-in-session", &resource.Run{Script: object.String("/sbin/swapoff -a")})373 b.AddResource(374 "configure:disable-swap-going-forward",375 &resource.Run{Script: object.String(376 // The ";" instead of "&&" below is because we want to copy the empty temp file over /etc/fstab if /etc/fstab only contains swap entries377 // and the "egrep" will fail on an empty file378 `tmpfile=$(mktemp /tmp/disable-swap.XXXXXX) && egrep -v '\s*\S*\s*\S*\s*swap.*' /etc/fstab > $tmpfile; mv $tmpfile /etc/fstab`)},379 plan.DependOn("configure:disable-swap-in-session"))380 p, err := b.Plan()381 if err != nil {382 log.Fatalf("%v", err)383 }384 return &p...

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config.go

Source:config.go Github

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...69 InstallImage InstallImage `json:"install_image"` //See InstallImage struct70 Datasets []ZFSLayout `json:"datasets"` //The Partition Layout for ZFS. e.g Where is /var /etc and others located71 Rpool string `json:"rpool"` //Name of the root pool By Default(rpool)72 BEName string `json:"be_name"` //Name of the new Boot Environment defaults to openindiana73 SwapSize string `json:"swap_size"` //Size of the SWAP Partition defaults to 2g74 DumpSize string `json:"dump_size"` //Size of the Dump Partition defaults to swap_size75 BootLoader string `json:"boot_loader"` //Valid values are Loader and Grub76 Net NetworkSettings `json:"net"` //The Network Interfaces of the Box77 TimeZone string `json:"time_zone"` //Timezone to setup78 Locale string `json:"locale"` //Locale like en_US.UTF-8 or de_CH.UTF-879 RootPWClear string `json:"root_pw_clear"` //The clear string root password80 RootPW string `json:"root_pw"` //The hashed81 Hostname string `json:"hostname"` //The Hostname of the machine82 Keymap string `json:"keymap"` //Keymap the Machine will have e.g. Swiss-German83}84func (conf *InstallConfiguration) GetRootDataSetName() string {85 return fmt.Sprintf("%s/ROOT/%s", conf.Rpool, conf.BEName)86}87func (conf *InstallConfiguration) FillUnSetValues() {88 if conf.SwapSize == "" {89 conf.SwapSize = "2g"90 }91 if conf.DumpSize == "" {92 conf.DumpSize = conf.SwapSize93 }94 if conf.BEName == "" {95 conf.BEName = "openindiana"96 }97 if conf.Rpool == "" {98 conf.Rpool = "rpool"99 }100 //Assume that we want the Media URL from devprop if it is not in the config101 if conf.InstallImage.URL == "" {102 conf.InstallImage.URL = devprop.GetValue("install_media")103 }104 if conf.RootPW == "" {105 if conf.RootPWClear != "" {106 hash, err := bcrypt.GenerateFromPassword([]byte(conf.RootPWClear), 5)...

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init.go

Source:init.go Github

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1package system2var CheckSshConnect = `:`3var disableSwap = `4#!/bin/bash5set -e6swapoff -a7sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab 8`9var disableFirewallod = `10#!/bin/bash11set -e12systemctl stop firewalld13systemctl disable firewalld14iptables -F && iptables -X && iptables -F -t nat && iptables -X -t nat15iptables -P FORWARD ACCEPT16`17var disableSelinux = `18#!/bin/bash19setenforce 020sed -i 's/^SELINUX=.*/SELINUX=disabled/' /etc/selinux/config21`22var setDefaultTimeZone = `23#!/bin/bash24set -e25timedatectl set-timezone Asia/Shanghai26`27var installDependSoft = `28#!/bin/bash29set -e30yum install -y epel-release31yum install -y chrony conntrack ipvsadm ipset jq iptables curl sysstat libseccomp wget socat git32`33var SystemOperation = []map[string]string{34 {"name": "installDependSoft", "script": installDependSoft},35 {"name": "disableFirewallod", "script": disableFirewallod},36 {"name": "disableSelinux", "script": disableSelinux},37 {"name": "disableSwap", "script": disableSwap},38 {"name": "setDefaultTimeZone", "script": setDefaultTimeZone},39}...

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Swap

Using AI Code Generation

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1func main() {2 fmt.Printf("Before swap, value of a : %d3 fmt.Printf("Before swap, value of b : %d4 install.Swap(&a, &b)5 fmt.Printf("After swap, value of a : %d6 fmt.Printf("After swap, value of b : %d7}

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Swap

Using AI Code Generation

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1import "fmt"2func main() {3 i := install{}4 i.Swap()5}6import "fmt"7func main() {8 i := install{}9 i.Swap()10}11import "fmt"12func main() {13 i := install{}14 i.Swap()15}16import "fmt"17func main() {18 i := install{}19 i.Swap()20}21import "fmt"22func main() {23 i := install{}24 i.Swap()25}26import "fmt"27func main() {28 i := install{}29 i.Swap()30}31import "fmt"32func main() {33 i := install{}34 i.Swap()35}36import "fmt"37func main() {38 i := install{}39 i.Swap()40}41import "fmt"42func main() {43 i := install{}44 i.Swap()45}46import "fmt"47func main() {48 i := install{}49 i.Swap()50}51import "fmt"52func main() {53 i := install{}54 i.Swap()55}56import "fmt"57func main() {58 i := install{}59 i.Swap()60}61import "fmt"62func main() {63 i := install{}64 i.Swap()65}66import "fmt"67func main() {68 i := install{}

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Swap

Using AI Code Generation

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1import "fmt"2func main() {3 fmt.Println("Before swap a = ", a, " b = ", b)4 Swap(&a, &b)5 fmt.Println("After swap a = ", a, " b = ", b)6}7func Swap(x *int, y *int) {8}9import "fmt"10func main() {11 fmt.Println("Before swap a = ", a, " b = ", b)12 Swap(a, b)13 fmt.Println("After swap a = ", a, " b = ", b)14}15func Swap(x int, y int) {16}17In the main() method, we have declared two integer variables a and b and assigned the values 10 and 20 respectively. We have called

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Swap

Using AI Code Generation

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1import (2func main() {3 cmd := exec.Command("go", "run", "2.go")4 cmd.SysProcAttr = &syscall.SysProcAttr{5 }6 err := cmd.Start()7 if err != nil {8 fmt.Println(err)9 }10 err = cmd.Wait()11 if err != nil {12 fmt.Println(err)13 }14}15import (16func main() {17 cmd := exec.Command("go", "run", "3.go")18 cmd.SysProcAttr = &syscall.SysProcAttr{19 }20 err := cmd.Start()21 if err != nil {22 fmt.Println(err)23 }24 err = cmd.Wait()25 if err != nil {26 fmt.Println(err)27 }28}29import (30func main() {31 cmd := exec.Command("go", "run", "4.go")32 cmd.SysProcAttr = &syscall.SysProcAttr{33 }34 err := cmd.Start()35 if err != nil {36 fmt.Println(err)37 }38 err = cmd.Wait()39 if err != nil {40 fmt.Println(err)41 }42}43import (44func main() {45 cmd := exec.Command("go", "run", "5.go")46 cmd.SysProcAttr = &syscall.SysProcAttr{47 }48 err := cmd.Start()49 if err != nil {50 fmt.Println(err)51 }52 err = cmd.Wait()53 if err != nil {

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Swap

Using AI Code Generation

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1import (2func main() {3 fmt.Println("Before swap")4 fmt.Println("i1 : ", i1.Name)5 fmt.Println("i2 : ", i2.Name)6 i1.Swap(&i2)7 fmt.Println("After swap")8 fmt.Println("i1 : ", i1.Name)9 fmt.Println("i2 : ", i2.Name)10}11import (12type Install struct {13}14func (i *Install) Swap(i2 *Install) {15}16func main() {17 fmt.Println("Before swap")18 fmt.Println("i1 : ", i1.Name)19 fmt.Println("i2 : ", i2.Name)20 i1.Swap(&i2)21 fmt.Println("After swap")22 fmt.Println("i1 : ", i1

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Swap

Using AI Code Generation

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1import (2type install struct {3}4func main() {5 inst := install{a: 10, b: 20}6 fmt.Println("Before Swap", inst)7 inst.Swap()8 fmt.Println("After Swap", inst)9}10func (inst *install) Swap() {11}12Before Swap {10 20}13After Swap {20 10}

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Swap

Using AI Code Generation

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1import "fmt"2func main() {3 fmt.Println("Enter 2 numbers:")4 fmt.Scanln(&x, &y)5 fmt.Println("Before Swapping")6 fmt.Println("x=", x, "y=", y)7 fmt.Println("After Swapping")8 fmt.Println("x=", x, "y=", y)9}10import "fmt"11func main() {12 fmt.Println("Enter 2 numbers:")13 fmt.Scanln(&x, &y)14 fmt.Println("Before Swapping")15 fmt.Println("x=", x, "y=", y)16 fmt.Println("After Swapping")17 fmt.Println("x=", x, "y=", y)18}19import "fmt"20func main() {21 fmt.Println("Enter 2 numbers:")22 fmt.Scanln(&x, &y)23 fmt.Println("Before Swapping")24 fmt.Println("x=", x, "y=", y)25 fmt.Println("After Swapping")26 fmt.Println("x=", x, "y=", y)27}28import "fmt"29func main() {30 fmt.Println("Enter 2 numbers:")31 fmt.Scanln(&x,

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Swap

Using AI Code Generation

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1import (2func main() {3 fmt.Println(install.Swap(2, 3))4}5func Swap(x, y int) (int, int) {6}

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Swap

Using AI Code Generation

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1import (2func main() {3 i := install.New()4 install.Swap(i)5}6import (7type install struct{}8func New() *install {9 return &install{}10}11func Swap(i *install) {12 fmt.Println("Swap")13}14import (15func TestSwap(t *testing.T) {16 i := New()17 Swap(i)18}

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Swap

Using AI Code Generation

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1import (2func main() {3 fmt.Println("Before Swap")4 fmt.Println("a =", a, "b =", b)5 install.Swap(&a, &b)6 fmt.Println("After Swap")7 fmt.Println("a =", a, "b =", b)8}9import (10func main() {11 fmt.Println("Before Swap")12 fmt.Println("a =", a, "b =", b)13 install.Swap(a, b)14 fmt.Println("After Swap")15 fmt.Println("a =", a, "b =", b)16}

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