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* kusk gateway add Signed-off-by: jasmingacic <jasmin.gacic@gmail.com> * kusk gateway add Signed-off-by: jasmingacic <jasmin.gacic@gmail.com> * added remove command Signed-off-by: jasmingacic <jasmin.gacic@gmail.com> * added remove command Signed-off-by: jasmingacic <jasmin.gacic@gmail.com> Signed-off-by: jasmingacic <jasmin.gacic@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,254 @@ | ||
| /* | ||
| The MIT License (MIT) | ||
| Copyright © 2022 Kubeshop | ||
| Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| of this software and associated documentation files (the "Software"), to deal | ||
| in the Software without restriction, including without limitation the rights | ||
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| copies of the Software, and to permit persons to whom the Software is | ||
| furnished to do so, subject to the following conditions: | ||
| The above copyright notice and this permission notice shall be included in | ||
| all copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| THE SOFTWARE. | ||
| . | ||
| */ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "strconv" | ||
| "strings" | ||
|
|
||
| kuskv1 "github.com/kubeshop/kusk-gateway/api/v1alpha1" | ||
| "github.com/kubeshop/kusk-gateway/cmd/kusk/internal/errors" | ||
| "github.com/kubeshop/kusk-gateway/cmd/kusk/internal/utils" | ||
| "github.com/manifoldco/promptui" | ||
| "github.com/spf13/cobra" | ||
| corev1 "k8s.io/api/core/v1" | ||
| "k8s.io/apimachinery/pkg/util/validation" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| ) | ||
|
|
||
| var ( | ||
| gatewayName string | ||
| svcType string | ||
| port string | ||
| defaultGateway bool | ||
| ) | ||
|
|
||
| var addGatewayCMD = &cobra.Command{ | ||
| Use: "add", | ||
| Aliases: []string{"create"}, | ||
| Short: "Installs instance of Envoyfleet", | ||
| SilenceUsage: true, | ||
| SilenceErrors: true, | ||
| RunE: addRun, | ||
| PreRunE: func(cmd *cobra.Command, args []string) error { | ||
|
|
||
| if len(svcType) > 0 { | ||
| if svcType != "ClusterIP" && svcType != "LoadBalancer" { | ||
| return fmt.Errorf("svcType values can only be ClusterIP or LoadBalancer") | ||
| } | ||
| } | ||
| if len(port) > 0 { | ||
| pport, err := strconv.Atoi(port) | ||
| if err != nil { | ||
| return fmt.Errorf("port value must be an integer") | ||
| } | ||
|
|
||
| if pport > 65535 { | ||
| return fmt.Errorf("port number cannot be higher than 65535") | ||
| } | ||
| } | ||
|
|
||
| if len(gatewayName) > 0 { | ||
| errs := validation.IsQualifiedName(gatewayName) | ||
| if len(errs) > 0 { | ||
| return fmt.Errorf(strings.Join(errs, ",")) | ||
| } | ||
| } | ||
|
|
||
| if defaultGateway { | ||
| c, err := utils.GetK8sClient() | ||
| fleets := &kuskv1.EnvoyFleetList{} | ||
|
|
||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if err := c.List(context.TODO(), fleets, &client.ListOptions{}); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| for _, f := range fleets.Items { | ||
| if f.Spec.Default { | ||
| return fmt.Errorf("there is already a default gateway in you cluster") | ||
| } | ||
| } | ||
| } | ||
| return nil | ||
| }, | ||
| } | ||
|
|
||
| func init() { | ||
| gatewayCMD.AddCommand(addGatewayCMD) | ||
| addGatewayCMD.Flags().StringVarP(&namespace, "namespace", "n", "", "namespace where the new gateway will be created") | ||
| addGatewayCMD.Flags().StringVarP(&svcType, "serviceType", "s", "", "Service type of the gateway. Supported options LoadBalancer, ClusterIP") | ||
| addGatewayCMD.Flags().StringVarP(&port, "port", "p", "", "port for the gateway. Supported values are from 0 to 65536") | ||
| addGatewayCMD.Flags().StringVarP(&gatewayName, "name", "", "", "name of the gateway") | ||
| addGatewayCMD.Flags().BoolVarP(&defaultGateway, "default", "", false, "Indicates if the geteway is the default gateway in the cluster") | ||
| } | ||
|
|
||
| func addRun(cmd *cobra.Command, args []string) error { | ||
| reportError := func(err error) { | ||
| if err != nil { | ||
| errors.NewErrorReporter(cmd, err).Report() | ||
| } | ||
| } | ||
|
|
||
| var err error | ||
| fleet := &kuskv1.EnvoyFleet{} | ||
| fleets := &kuskv1.EnvoyFleetList{} | ||
|
|
||
| c, err := utils.GetK8sClient() | ||
| if err != nil { | ||
| reportError(err) | ||
| return err | ||
| } | ||
|
|
||
| if len(gatewayName) == 0 { | ||
| gatewayName, err = namePrompt.Run() | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| } | ||
| } | ||
|
|
||
| fleet.Name = gatewayName | ||
|
|
||
| if len(gatewayName) == 0 { | ||
| return nil | ||
| } | ||
|
|
||
| if err := c.List(context.TODO(), fleets, &client.ListOptions{}); err != nil { | ||
| return err | ||
| } | ||
| thereIsDefault := false | ||
| for _, f := range fleets.Items { | ||
| if f.Spec.Default { | ||
| thereIsDefault = true | ||
| break | ||
| } | ||
| } | ||
|
|
||
| if !thereIsDefault { | ||
| _, t, _ := defaultPrompt.Run() | ||
| deflt, _ := strconv.ParseBool(t) | ||
| fleet.Spec.Default = deflt | ||
| } | ||
|
|
||
| if len(namespace) == 0 { | ||
| namespaces := &corev1.NamespaceList{} | ||
| if err := c.List(cmd.Context(), namespaces, &client.ListOptions{}); err != nil { | ||
| reportError(err) | ||
| return err | ||
| } | ||
|
|
||
| namespacesPrompt := promptui.Select{ | ||
| Label: "Select a namespace", | ||
| } | ||
|
|
||
| namespaceNames := []string{} | ||
| for _, ns := range namespaces.Items { | ||
| namespaceNames = append(namespaceNames, ns.Name) | ||
| } | ||
| namespacesPrompt.Items = namespaceNames | ||
| _, namespace, _ = namespacesPrompt.Run() | ||
| } | ||
|
|
||
| fleet.Namespace = namespace | ||
|
|
||
| if len(svcType) == 0 { | ||
| _, svcType, _ = serviceTypePrompt.Run() | ||
| } | ||
| fleet.Spec.Service = &kuskv1.ServiceConfig{ | ||
| Type: corev1.ServiceType(svcType), | ||
| } | ||
|
|
||
| if len(port) == 0 { | ||
| port, err = portPrompt.Run() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| svcPort, _ := strconv.Atoi(port) | ||
| fleet.Spec.Service.Ports = []corev1.ServicePort{ | ||
| { | ||
| Port: int32(svcPort), | ||
| }, | ||
| } | ||
|
|
||
| if err := c.Create(cmd.Context(), fleet, &client.CreateOptions{}); err != nil { | ||
| reportError(err) | ||
| return err | ||
| } | ||
|
|
||
| fmt.Printf("%s fleet created\n", fleet.Name) | ||
| return nil | ||
| } | ||
|
|
||
| var defaultPrompt = promptui.Select{ | ||
| Label: "Do you want your gateway to be the default in the cluster", | ||
| Items: []bool{true, false}, | ||
| } | ||
| var serviceTypePrompt = promptui.Select{ | ||
| Label: "Pick service type you want to use", | ||
| Items: []string{"LoadBalancer", "ClusterIP"}, | ||
| } | ||
|
|
||
| var namePrompt = promptui.Prompt{ | ||
| Label: "Please input name for the new gateway instance", | ||
| } | ||
|
|
||
| var portPrompt = promptui.Prompt{ | ||
| Label: "Input desired service port", | ||
| Validate: validatePort, | ||
| } | ||
|
|
||
| func validatePort(input string) error { | ||
| pport, err := strconv.Atoi(input) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if pport > 65535 { | ||
| return fmt.Errorf("port number cannot be higher than 65535") | ||
| } | ||
| c, err := utils.GetK8sClient() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| services := corev1.ServiceList{} | ||
| c.List(context.Background(), &services, &client.ListOptions{}) | ||
|
|
||
| for _, svc := range services.Items { | ||
| if svc.Spec.Type == "LoadBalancer" { | ||
| for _, p := range svc.Spec.Ports { | ||
| if p.Port == int32(pport) { | ||
| return fmt.Errorf("port %d already taken, please choose different one", pport) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| /* | ||
| The MIT License (MIT) | ||
| Copyright © 2022 Kubeshop | ||
| Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| of this software and associated documentation files (the "Software"), to deal | ||
| in the Software without restriction, including without limitation the rights | ||
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| copies of the Software, and to permit persons to whom the Software is | ||
| furnished to do so, subject to the following conditions: | ||
| The above copyright notice and this permission notice shall be included in | ||
| all copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| THE SOFTWARE. | ||
| . | ||
| */ | ||
|
|
||
| package cmd | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
|
|
||
| "github.com/spf13/cobra" | ||
| ) | ||
|
|
||
| var gatewayCMD = &cobra.Command{ | ||
| Use: "gateway", | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| fmt.Fprint(os.Stderr, "The gateway command cannot be run directly. Please run: 'kusk gateway add'\n") | ||
| }, | ||
| } | ||
|
|
||
| func init() { | ||
| rootCmd.AddCommand(gatewayCMD) | ||
| } |
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