diff --git a/docs/stackit_ske.md b/docs/stackit_ske.md index 4cf76387c..0f3834afc 100644 --- a/docs/stackit_ske.md +++ b/docs/stackit_ske.md @@ -33,5 +33,6 @@ stackit ske [flags] * [stackit ske describe](./stackit_ske_describe.md) - Shows overall details regarding SKE * [stackit ske disable](./stackit_ske_disable.md) - Disables SKE for a project * [stackit ske enable](./stackit_ske_enable.md) - Enables SKE for a project +* [stackit ske kubeconfig](./stackit_ske_kubeconfig.md) - Provides functionality for SKE kubeconfig * [stackit ske options](./stackit_ske_options.md) - Lists SKE provider options diff --git a/docs/stackit_ske_credentials.md b/docs/stackit_ske_credentials.md index 88310d6fb..e49497fb5 100644 --- a/docs/stackit_ske_credentials.md +++ b/docs/stackit_ske_credentials.md @@ -28,6 +28,7 @@ stackit ske credentials [flags] ### SEE ALSO * [stackit ske](./stackit_ske.md) - Provides functionality for SKE +* [stackit ske credentials complete-rotation](./stackit_ske_credentials_complete-rotation.md) - Completes the rotation of the credentials associated to a SKE cluster * [stackit ske credentials describe](./stackit_ske_credentials_describe.md) - Shows details of the credentials associated to a SKE cluster * [stackit ske credentials rotate](./stackit_ske_credentials_rotate.md) - Rotates credentials associated to a SKE cluster * [stackit ske credentials start-rotation](./stackit_ske_credentials_start-rotation.md) - Starts the rotation of the credentials associated to a SKE cluster diff --git a/docs/stackit_ske_credentials_complete-rotation.md b/docs/stackit_ske_credentials_complete-rotation.md new file mode 100644 index 000000000..6afa588ad --- /dev/null +++ b/docs/stackit_ske_credentials_complete-rotation.md @@ -0,0 +1,52 @@ +## stackit ske credentials complete-rotation + +Completes the rotation of the credentials associated to a SKE cluster + +### Synopsis + +Completes the rotation of the credentials associated to a STACKIT Kubernetes Engine (SKE) cluster. +To ensure continued access to the Kubernetes cluster, please update your kubeconfig service account to the newly created account. +This is step 2 of a 2-step process to rotate all SKE cluster credentials. Tasks accomplished in this phase include: + - The old certification authority will be dropped from the package. + - The old signing key for the service account will be dropped from the bundle. + +If you haven't, please start the process by running: + $ stackit ske credentials start-rotation my-cluster +After completing the rotation of credentials, you can generate a new kubeconfig file by running: + $ stackit ske kubeconfig create my-cluster + +``` +stackit ske credentials complete-rotation CLUSTER_NAME [flags] +``` + +### Examples + +``` + Complete the rotation of the credentials associated to the SKE cluster with name "my-cluster" + $ stackit ske credentials complete-rotation my-cluster + + Flow of the 2-step process to rotate all SKE cluster credentials, including generating a new kubeconfig file + $ stackit ske credentials start-rotation my-cluster + $ stackit ske credentials complete-rotation my-cluster + $ stackit ske kubeconfig create my-cluster +``` + +### Options + +``` + -h, --help Help for "stackit ske credentials complete-rotation" +``` + +### Options inherited from parent commands + +``` + -y, --assume-yes If set, skips all confirmation prompts + --async If set, runs the command asynchronously + -o, --output-format string Output format, one of ["json" "pretty"] + -p, --project-id string Project ID +``` + +### SEE ALSO + +* [stackit ske credentials](./stackit_ske_credentials.md) - Provides functionality for SKE credentials + diff --git a/docs/stackit_ske_credentials_start-rotation.md b/docs/stackit_ske_credentials_start-rotation.md index d9242f9c4..825f19306 100644 --- a/docs/stackit_ske_credentials_start-rotation.md +++ b/docs/stackit_ske_credentials_start-rotation.md @@ -4,8 +4,17 @@ Starts the rotation of the credentials associated to a SKE cluster ### Synopsis -Starts the rotation of the credentials associated to a STACKIT Kubernetes Engine (SKE) cluster. This is step 1 of a two-step process. -Complete the rotation using the 'stackit ske credentials complete-rotation' command. +Starts the rotation of the credentials associated to a STACKIT Kubernetes Engine (SKE) cluster. +This is step 1 of a 2-step process to rotate all SKE cluster credentials. Tasks accomplished in this phase include: + - Rolling recreation of all worker nodes + - A new Certificate Authority (CA) will be established and incorporated into the existing CA bundle. + - A new etcd encryption key is generated and added to the Certificate Authority (CA) bundle. + - A new signing key will be generated for the service account and added to the Certificate Authority (CA) bundle. + - The kube-apiserver will rewrite all secrets in the cluster, encrypting them with the new encryption key. +The old CA, encryption key and signing key will be retained until the rotation is completed. + +Complete the rotation by running: + $ stackit ske credentials complete-rotation my-cluster ``` stackit ske credentials start-rotation CLUSTER_NAME [flags] @@ -16,6 +25,11 @@ stackit ske credentials start-rotation CLUSTER_NAME [flags] ``` Start the rotation of the credentials associated to the SKE cluster with name "my-cluster" $ stackit ske credentials start-rotation my-cluster + + Flow of the 2-step process to rotate all SKE cluster credentials, including generating a new kubeconfig file + $ stackit ske credentials start-rotation my-cluster + $ stackit ske credentials complete-rotation my-cluster + $ stackit ske kubeconfig create my-cluster ``` ### Options diff --git a/docs/stackit_ske_kubeconfig.md b/docs/stackit_ske_kubeconfig.md new file mode 100644 index 000000000..ec9e7011f --- /dev/null +++ b/docs/stackit_ske_kubeconfig.md @@ -0,0 +1,32 @@ +## stackit ske kubeconfig + +Provides functionality for SKE kubeconfig + +### Synopsis + +Provides functionality for STACKIT Kubernetes Engine (SKE) kubeconfig. + +``` +stackit ske kubeconfig [flags] +``` + +### Options + +``` + -h, --help Help for "stackit ske kubeconfig" +``` + +### Options inherited from parent commands + +``` + -y, --assume-yes If set, skips all confirmation prompts + --async If set, runs the command asynchronously + -o, --output-format string Output format, one of ["json" "pretty"] + -p, --project-id string Project ID +``` + +### SEE ALSO + +* [stackit ske](./stackit_ske.md) - Provides functionality for SKE +* [stackit ske kubeconfig create](./stackit_ske_kubeconfig_create.md) - Creates a kubeconfig for an SKE cluster + diff --git a/docs/stackit_ske_kubeconfig_create.md b/docs/stackit_ske_kubeconfig_create.md new file mode 100644 index 000000000..df8765849 --- /dev/null +++ b/docs/stackit_ske_kubeconfig_create.md @@ -0,0 +1,50 @@ +## stackit ske kubeconfig create + +Creates a kubeconfig for an SKE cluster + +### Synopsis + +Creates a kubeconfig for a STACKIT Kubernetes Engine (SKE) cluster. +By default the kubeconfig is created in the .kube folder, in the user's home directory. The kubeconfig file will be overwritten if it already exists. + +``` +stackit ske kubeconfig create CLUSTER_NAME [flags] +``` + +### Examples + +``` + Create a kubeconfig for the SKE cluster with name "my-cluster" + $ stackit ske kubeconfig create my-cluster + + Create a kubeconfig for the SKE cluster with name "my-cluster" and set the expiration time to 30 days + $ stackit ske kubeconfig create my-cluster --expiration 30d + + Create a kubeconfig for the SKE cluster with name "my-cluster" and set the expiration time to 2 months + $ stackit ske kubeconfig create my-cluster --expiration 2M + + Create a kubeconfig for the SKE cluster with name "my-cluster" in a custom location + $ stackit ske kubeconfig create my-cluster --location /path/to/config +``` + +### Options + +``` + -e, --expiration string Expiration time for the kubeconfig in seconds(s), minutes(m), hours(h), days(d) or months(M). Example: 30d. By default, expiration time is 1h + -h, --help Help for "stackit ske kubeconfig create" + --location string Folder location to store the kubeconfig file. By default, the kubeconfig is created in the .kube folder, in the user's home directory. +``` + +### Options inherited from parent commands + +``` + -y, --assume-yes If set, skips all confirmation prompts + --async If set, runs the command asynchronously + -o, --output-format string Output format, one of ["json" "pretty"] + -p, --project-id string Project ID +``` + +### SEE ALSO + +* [stackit ske kubeconfig](./stackit_ske_kubeconfig.md) - Provides functionality for SKE kubeconfig + diff --git a/internal/cmd/ske/kubeconfig/create/create.go b/internal/cmd/ske/kubeconfig/create/create.go new file mode 100644 index 000000000..e3aacd633 --- /dev/null +++ b/internal/cmd/ske/kubeconfig/create/create.go @@ -0,0 +1,152 @@ +package create + +import ( + "context" + "fmt" + + "github.com/stackitcloud/stackit-cli/internal/pkg/args" + "github.com/stackitcloud/stackit-cli/internal/pkg/confirm" + "github.com/stackitcloud/stackit-cli/internal/pkg/errors" + "github.com/stackitcloud/stackit-cli/internal/pkg/examples" + "github.com/stackitcloud/stackit-cli/internal/pkg/flags" + "github.com/stackitcloud/stackit-cli/internal/pkg/globalflags" + "github.com/stackitcloud/stackit-cli/internal/pkg/services/ske/client" + skeUtils "github.com/stackitcloud/stackit-cli/internal/pkg/services/ske/utils" + + "github.com/spf13/cobra" + "github.com/stackitcloud/stackit-sdk-go/services/ske" +) + +const ( + clusterNameArg = "CLUSTER_NAME" + + expirationFlag = "expiration" + locationFlag = "location" +) + +type inputModel struct { + *globalflags.GlobalFlagModel + ClusterName string + Location *string + ExpirationTime *string +} + +func NewCmd() *cobra.Command { + cmd := &cobra.Command{ + Use: fmt.Sprintf("create %s", clusterNameArg), + Short: "Creates a kubeconfig for an SKE cluster", + Long: fmt.Sprintf("%s\n%s", + "Creates a kubeconfig for a STACKIT Kubernetes Engine (SKE) cluster.", + "By default the kubeconfig is created in the .kube folder, in the user's home directory. The kubeconfig file will be overwritten if it already exists."), + Args: args.SingleArg(clusterNameArg, nil), + Example: examples.Build( + examples.NewExample( + `Create a kubeconfig for the SKE cluster with name "my-cluster"`, + "$ stackit ske kubeconfig create my-cluster"), + examples.NewExample( + `Create a kubeconfig for the SKE cluster with name "my-cluster" and set the expiration time to 30 days`, + "$ stackit ske kubeconfig create my-cluster --expiration 30d"), + examples.NewExample( + `Create a kubeconfig for the SKE cluster with name "my-cluster" and set the expiration time to 2 months`, + "$ stackit ske kubeconfig create my-cluster --expiration 2M"), + examples.NewExample( + `Create a kubeconfig for the SKE cluster with name "my-cluster" in a custom location`, + "$ stackit ske kubeconfig create my-cluster --location /path/to/config"), + ), + RunE: func(cmd *cobra.Command, args []string) error { + ctx := context.Background() + model, err := parseInput(cmd, args) + if err != nil { + return err + } + + // Configure API client + apiClient, err := client.ConfigureClient(cmd) + if err != nil { + return err + } + + if !model.AssumeYes { + prompt := fmt.Sprintf("Are you sure you want to create a kubeconfig for SKE cluster %q? This will OVERWRITE your current configuration, if it exists.", model.ClusterName) + err = confirm.PromptForConfirmation(cmd, prompt) + if err != nil { + return err + } + } + + // Call API + req, err := buildRequest(ctx, model, apiClient) + if err != nil { + return fmt.Errorf("build kubeconfig create request: %w", err) + } + resp, err := req.Execute() + if err != nil { + return fmt.Errorf("create kubeconfig for SKE cluster: %w", err) + } + + // Create the config file + if resp.Kubeconfig == nil { + return fmt.Errorf("no kubeconfig returned from the API") + } + + var kubeconfigPath string + if model.Location == nil { + kubeconfigPath, err = skeUtils.GetDefaultKubeconfigLocation() + if err != nil { + return fmt.Errorf("get default kubeconfig location: %w", err) + } + } else { + kubeconfigPath = *model.Location + } + + err = skeUtils.WriteConfigFile(kubeconfigPath, *resp.Kubeconfig) + if err != nil { + return fmt.Errorf("write kubeconfig file: %w", err) + } + + fmt.Printf("Created kubeconfig file for cluster %s in %q, with expiration date %v (UTC)\n", model.ClusterName, kubeconfigPath, *resp.ExpirationTimestamp) + + return nil + }, + } + configureFlags(cmd) + return cmd +} + +func configureFlags(cmd *cobra.Command) { + cmd.Flags().StringP(expirationFlag, "e", "", "Expiration time for the kubeconfig in seconds(s), minutes(m), hours(h), days(d) or months(M). Example: 30d. By default, expiration time is 1h") + cmd.Flags().String(locationFlag, "", "Folder location to store the kubeconfig file. By default, the kubeconfig is created in the .kube folder, in the user's home directory.") +} + +func parseInput(cmd *cobra.Command, inputArgs []string) (*inputModel, error) { + clusterName := inputArgs[0] + + globalFlags := globalflags.Parse(cmd) + if globalFlags.ProjectId == "" { + return nil, &errors.ProjectIdError{} + } + + return &inputModel{ + GlobalFlagModel: globalFlags, + ClusterName: clusterName, + Location: flags.FlagToStringPointer(cmd, locationFlag), + ExpirationTime: flags.FlagToStringPointer(cmd, expirationFlag), + }, nil +} + +func buildRequest(ctx context.Context, model *inputModel, apiClient *ske.APIClient) (ske.ApiCreateKubeconfigRequest, error) { + req := apiClient.CreateKubeconfig(ctx, model.ProjectId, model.ClusterName) + + payload := ske.CreateKubeconfigPayload{} + + if model.ExpirationTime != nil { + expirationTime, err := skeUtils.ConvertToSeconds(*model.ExpirationTime) + if err != nil { + return req, fmt.Errorf("parse expiration time: %w", err) + } + + payload.ExpirationSeconds = expirationTime + } + + return req.CreateKubeconfigPayload(payload), nil +} diff --git a/internal/cmd/ske/kubeconfig/create/create_test.go b/internal/cmd/ske/kubeconfig/create/create_test.go new file mode 100644 index 000000000..fb507ebd6 --- /dev/null +++ b/internal/cmd/ske/kubeconfig/create/create_test.go @@ -0,0 +1,236 @@ +package create + +import ( + "context" + "testing" + + "github.com/stackitcloud/stackit-cli/internal/pkg/globalflags" + "github.com/stackitcloud/stackit-cli/internal/pkg/utils" + + "github.com/google/go-cmp/cmp" + "github.com/google/go-cmp/cmp/cmpopts" + "github.com/google/uuid" + "github.com/stackitcloud/stackit-sdk-go/services/ske" +) + +var projectIdFlag = globalflags.ProjectIdFlag + +type testCtxKey struct{} + +var testCtx = context.WithValue(context.Background(), testCtxKey{}, "foo") +var testClient = &ske.APIClient{} +var testProjectId = uuid.NewString() +var testClusterName = "cluster" + +func fixtureArgValues(mods ...func(argValues []string)) []string { + argValues := []string{ + testClusterName, + } + for _, mod := range mods { + mod(argValues) + } + return argValues +} + +func fixtureFlagValues(mods ...func(flagValues map[string]string)) map[string]string { + flagValues := map[string]string{ + projectIdFlag: testProjectId, + } + for _, mod := range mods { + mod(flagValues) + } + return flagValues +} + +func fixtureInputModel(mods ...func(model *inputModel)) *inputModel { + model := &inputModel{ + GlobalFlagModel: &globalflags.GlobalFlagModel{ + ProjectId: testProjectId, + }, + ClusterName: testClusterName, + } + for _, mod := range mods { + mod(model) + } + return model +} + +func fixtureRequest(mods ...func(request *ske.ApiCreateKubeconfigRequest)) ske.ApiCreateKubeconfigRequest { + request := testClient.CreateKubeconfig(testCtx, testProjectId, testClusterName) + request = request.CreateKubeconfigPayload(ske.CreateKubeconfigPayload{}) + for _, mod := range mods { + mod(&request) + } + return request +} + +func TestParseInput(t *testing.T) { + tests := []struct { + description string + argValues []string + flagValues map[string]string + isValid bool + expectedModel *inputModel + }{ + { + description: "base", + argValues: fixtureArgValues(), + flagValues: fixtureFlagValues(), + isValid: true, + expectedModel: fixtureInputModel(), + }, + { + description: "30d expiration time", + argValues: fixtureArgValues(), + flagValues: fixtureFlagValues(func(flagValues map[string]string) { + flagValues["expiration"] = "30d" + }), + isValid: true, + expectedModel: fixtureInputModel(func(model *inputModel) { + model.ExpirationTime = utils.Ptr("30d") + }), + }, + + { + description: "custom location", + argValues: fixtureArgValues(), + flagValues: fixtureFlagValues(func(flagValues map[string]string) { + flagValues["location"] = "/path/to/config" + }), + isValid: true, + expectedModel: fixtureInputModel(func(model *inputModel) { + model.Location = utils.Ptr("/path/to/config") + }), + }, + { + description: "no values", + argValues: []string{}, + flagValues: map[string]string{}, + isValid: false, + }, + { + description: "no arg values", + argValues: []string{}, + flagValues: fixtureFlagValues(), + isValid: false, + }, + { + description: "no flag values", + argValues: fixtureArgValues(), + flagValues: map[string]string{}, + isValid: false, + }, + { + description: "project id missing", + argValues: fixtureArgValues(), + flagValues: fixtureFlagValues(func(flagValues map[string]string) { + delete(flagValues, projectIdFlag) + }), + isValid: false, + }, + { + description: "project id invalid 1", + argValues: fixtureArgValues(), + flagValues: fixtureFlagValues(func(flagValues map[string]string) { + flagValues[projectIdFlag] = "" + }), + isValid: false, + }, + { + description: "project id invalid 2", + argValues: fixtureArgValues(), + flagValues: fixtureFlagValues(func(flagValues map[string]string) { + flagValues[projectIdFlag] = "invalid-uuid" + }), + isValid: false, + }, + } + + for _, tt := range tests { + t.Run(tt.description, func(t *testing.T) { + cmd := NewCmd() + err := globalflags.Configure(cmd.Flags()) + if err != nil { + t.Fatalf("configure global flags: %v", err) + } + + for flag, value := range tt.flagValues { + err := cmd.Flags().Set(flag, value) + if err != nil { + if !tt.isValid { + return + } + t.Fatalf("setting flag --%s=%s: %v", flag, value, err) + } + } + + err = cmd.ValidateArgs(tt.argValues) + if err != nil { + if !tt.isValid { + return + } + t.Fatalf("error validating args: %v", err) + } + + err = cmd.ValidateRequiredFlags() + if err != nil { + if !tt.isValid { + return + } + t.Fatalf("error validating flags: %v", err) + } + + model, err := parseInput(cmd, tt.argValues) + if err != nil { + if !tt.isValid { + return + } + t.Fatalf("error parsing flags: %v", err) + } + + if !tt.isValid { + t.Fatalf("did not fail on invalid input") + } + diff := cmp.Diff(model, tt.expectedModel) + if diff != "" { + t.Fatalf("Data does not match: %s", diff) + } + }) + } +} + +func TestBuildRequest(t *testing.T) { + tests := []struct { + description string + model *inputModel + expectedRequest ske.ApiCreateKubeconfigRequest + }{ + { + description: "base", + model: fixtureInputModel(), + expectedRequest: fixtureRequest(), + }, + { + description: "expiration time", + model: fixtureInputModel(func(model *inputModel) { + model.ExpirationTime = utils.Ptr("30d") + }), + expectedRequest: fixtureRequest().CreateKubeconfigPayload(ske.CreateKubeconfigPayload{ + ExpirationSeconds: utils.Ptr("2592000")}), + }, + } + + for _, tt := range tests { + t.Run(tt.description, func(t *testing.T) { + request, _ := buildRequest(testCtx, tt.model, testClient) + + diff := cmp.Diff(request, tt.expectedRequest, + cmp.AllowUnexported(tt.expectedRequest), + cmpopts.EquateComparable(testCtx), + ) + if diff != "" { + t.Fatalf("Data does not match: %s", diff) + } + }) + } +} diff --git a/internal/cmd/ske/kubeconfig/kubeconfig.go b/internal/cmd/ske/kubeconfig/kubeconfig.go new file mode 100644 index 000000000..5411cd0a2 --- /dev/null +++ b/internal/cmd/ske/kubeconfig/kubeconfig.go @@ -0,0 +1,25 @@ +package kubeconfig + +import ( + "github.com/stackitcloud/stackit-cli/internal/cmd/ske/kubeconfig/create" + "github.com/stackitcloud/stackit-cli/internal/pkg/args" + "github.com/stackitcloud/stackit-cli/internal/pkg/utils" + + "github.com/spf13/cobra" +) + +func NewCmd() *cobra.Command { + cmd := &cobra.Command{ + Use: "kubeconfig", + Short: "Provides functionality for SKE kubeconfig", + Long: "Provides functionality for STACKIT Kubernetes Engine (SKE) kubeconfig.", + Args: args.NoArgs, + Run: utils.CmdHelp, + } + addSubcommands(cmd) + return cmd +} + +func addSubcommands(cmd *cobra.Command) { + cmd.AddCommand(create.NewCmd()) +} diff --git a/internal/cmd/ske/ske.go b/internal/cmd/ske/ske.go index ebfe89036..32a40662c 100644 --- a/internal/cmd/ske/ske.go +++ b/internal/cmd/ske/ske.go @@ -6,6 +6,7 @@ import ( "github.com/stackitcloud/stackit-cli/internal/cmd/ske/describe" "github.com/stackitcloud/stackit-cli/internal/cmd/ske/disable" "github.com/stackitcloud/stackit-cli/internal/cmd/ske/enable" + "github.com/stackitcloud/stackit-cli/internal/cmd/ske/kubeconfig" "github.com/stackitcloud/stackit-cli/internal/cmd/ske/options" "github.com/stackitcloud/stackit-cli/internal/pkg/args" "github.com/stackitcloud/stackit-cli/internal/pkg/utils" @@ -28,6 +29,7 @@ func NewCmd() *cobra.Command { func addSubcommands(cmd *cobra.Command) { cmd.AddCommand(describe.NewCmd()) cmd.AddCommand(enable.NewCmd()) + cmd.AddCommand(kubeconfig.NewCmd()) cmd.AddCommand(disable.NewCmd()) cmd.AddCommand(cluster.NewCmd()) cmd.AddCommand(credentials.NewCmd()) diff --git a/internal/pkg/services/ske/utils/utils.go b/internal/pkg/services/ske/utils/utils.go index b055d12a9..abc9e9089 100644 --- a/internal/pkg/services/ske/utils/utils.go +++ b/internal/pkg/services/ske/utils/utils.go @@ -3,6 +3,9 @@ package utils import ( "context" "fmt" + "os" + "path/filepath" + "strconv" "github.com/stackitcloud/stackit-cli/internal/pkg/utils" @@ -191,3 +194,74 @@ func getDefaultPayloadNodepool(resp *ske.ProviderOptions) (*ske.Nodepool, error) return output, nil } + +// ConvertToSeconds converts a time string to seconds. +// The time string must be in the format of , where unit is one of s, m, h, d, M. +func ConvertToSeconds(timeStr string) (*string, error) { + if len(timeStr) < 2 { + return nil, fmt.Errorf("invalid time format: %s", timeStr) + } + + unit := timeStr[len(timeStr)-1:] + + valueStr := timeStr[:len(timeStr)-1] + value, err := strconv.ParseUint(valueStr, 10, 64) + if err != nil { + return nil, fmt.Errorf("unable to parse uint: %s", timeStr) + } + + var multiplier uint64 + switch unit { + // second + case "s": + multiplier = 1 + // minute + case "m": + multiplier = 60 + // hour + case "h": + multiplier = 60 * 60 + // day + case "d": + multiplier = 60 * 60 * 24 + // month, assume 30 days + case "M": + multiplier = 60 * 60 * 24 * 30 + default: + return nil, fmt.Errorf("invalid time format: %s", timeStr) + } + + result := uint64(value) * multiplier + return utils.Ptr(strconv.FormatUint(result, 10)), nil +} + +// WriteConfigFile writes the given data to the given path. +// The directory is created if it does not exist. +func WriteConfigFile(configPath, data string) error { + if data == "" { + return fmt.Errorf("no data to write") + } + + dir := filepath.Dir(configPath) + + err := os.MkdirAll(dir, 0o700) + if err != nil { + return fmt.Errorf("create config directory: %w", err) + } + + err = os.WriteFile(configPath, []byte(data), 0o600) + if err != nil { + return fmt.Errorf("write file: %w", err) + } + return nil +} + +// GetDefaultKubeconfigLocation returns the default location for the kubeconfig file. +func GetDefaultKubeconfigLocation() (string, error) { + userHome, err := os.UserHomeDir() + if err != nil { + return "", fmt.Errorf("get user home directory: %w", err) + } + + return filepath.Join(userHome, ".kube", "config"), nil +} diff --git a/internal/pkg/services/ske/utils/utils_test.go b/internal/pkg/services/ske/utils/utils_test.go index 52e151891..fe977e1f2 100644 --- a/internal/pkg/services/ske/utils/utils_test.go +++ b/internal/pkg/services/ske/utils/utils_test.go @@ -3,6 +3,8 @@ package utils import ( "context" "fmt" + "os" + "path/filepath" "testing" "github.com/stackitcloud/stackit-cli/internal/pkg/utils" @@ -441,3 +443,170 @@ func TestGetDefaultPayload(t *testing.T) { }) } } + +func TestConvertToSeconds(t *testing.T) { + tests := []struct { + description string + expirationTime string + isValid bool + expectedOutput string + }{ + { + description: "seconds", + expirationTime: "30s", + isValid: true, + expectedOutput: "30", + }, + { + description: "minutes", + expirationTime: "30m", + isValid: true, + expectedOutput: "1800", + }, + { + description: "hours", + expirationTime: "30h", + isValid: true, + expectedOutput: "108000", + }, + { + description: "days", + expirationTime: "30d", + isValid: true, + expectedOutput: "2592000", + }, + { + description: "months", + expirationTime: "30M", + isValid: true, + expectedOutput: "77760000", + }, + { + description: "leading zero", + expirationTime: "0030M", + isValid: true, + expectedOutput: "77760000", + }, + { + description: "invalid unit", + expirationTime: "30x", + isValid: false, + }, + { + description: "invalid unit 2", + expirationTime: "3000abcdef", + isValid: false, + }, + { + description: "invalid unit 3", + expirationTime: "3000abcdef000", + isValid: false, + }, + { + description: "invalid time", + expirationTime: "x", + isValid: false, + }, + { + description: "empty", + expirationTime: "", + isValid: false, + }, + } + + for _, tt := range tests { + t.Run(tt.description, func(t *testing.T) { + output, err := ConvertToSeconds(tt.expirationTime) + + if tt.isValid && err != nil { + t.Errorf("failed on valid input") + } + if !tt.isValid && err == nil { + t.Errorf("did not fail on invalid input") + } + if !tt.isValid { + return + } + if *output != tt.expectedOutput { + t.Errorf("expected output to be %s, got %s", tt.expectedOutput, *output) + } + }) + } +} + +func TestWriteConfigFile(t *testing.T) { + tests := []struct { + description string + location string + kubeconfig string + isValid bool + isLocationDir bool + isLocationEmpty bool + expectedErr string + }{ + { + description: "base", + location: filepath.Join("base", "config"), + kubeconfig: "kubeconfig", + isValid: true, + }, + { + description: "empty location", + location: "", + kubeconfig: "kubeconfig", + isValid: false, + isLocationEmpty: true, + }, + { + description: "path is only dir", + location: "only_dir", + kubeconfig: "kubeconfig", + isValid: false, + isLocationDir: true, + }, + { + description: "empty kubeconfig", + location: filepath.Join("empty", "config"), + kubeconfig: "", + isValid: false, + }, + } + + baseTestDir := "test_data/" + for _, tt := range tests { + t.Run(tt.description, func(t *testing.T) { + testLocation := filepath.Join(baseTestDir, tt.location) + // make sure empty case still works + if tt.isLocationEmpty { + testLocation = "" + } + // filepath Join cleans trailing separators + if tt.isLocationDir { + testLocation += string(filepath.Separator) + } + err := WriteConfigFile(testLocation, tt.kubeconfig) + + if tt.isValid && err != nil { + t.Errorf("failed on valid input") + } + if !tt.isValid && err == nil { + t.Errorf("did not fail on invalid input") + } + + if tt.isValid { + data, err := os.ReadFile(testLocation) + if err != nil { + t.Errorf("could not read file: %s", tt.location) + } + if string(data) != tt.kubeconfig { + t.Errorf("expected file content to be %s, got %s", tt.kubeconfig, string(data)) + } + } + }) + } + // Cleanup + err := os.RemoveAll(baseTestDir) + if err != nil { + t.Errorf("failed cleaning test data") + } +}