Add AWS auth check before secrets workflow, with interactive SSO login prompt on expired session

cmd/kctl-tui/panel.go

@@ -13,6 +13,7 @@ import (
 	"github.com/charmbracelet/bubbles/textinput"
 	tea "github.com/charmbracelet/bubbletea"
 
+	"github.com/skoelle/kctl-tui/internal/config"
 	"github.com/skoelle/kctl-tui/internal/kctl"
 	"github.com/skoelle/kctl-tui/internal/kubeexec"
 )
@@ -24,6 +25,7 @@ const (
 	stepMenu panelStep = iota
 	stepRedeployList
 	stepRedeployConfirm
+	stepAWSAuthPrompt
 	stepSecretRegion
 	stepSecretList
 	stepK8sSecretName
@@ -31,10 +33,12 @@ const (
 	stepForceSyncConfirm
 	stepExternalSecretName
 	stepDone
+	stepError
 )
 
 type panelModel struct {
 	ctx, ns, team string
+	cfg           config.Config
 
 	step  panelStep
 	list  list.Model
@@ -74,7 +78,10 @@ func newPanelModel(ctx, ns, team string) *panelModel {
 	ti := textinput.New()
 	ti.Focus()
 
-	return &panelModel{ctx: ctx, ns: ns, team: team, step: stepMenu, list: l, input: ti}
+	cfgPath, _ := config.DefaultPath()
+	cfg, _ := config.Load(cfgPath)
+
+	return &panelModel{ctx: ctx, ns: ns, team: team, cfg: cfg, step: stepMenu, list: l, input: ti}
 }
 
 func menuItems() []list.Item {
@@ -87,12 +94,17 @@ func menuItems() []list.Item {
 
 func (m *panelModel) Init() tea.Cmd { return nil }
 
+type awsLoginDoneMsg struct{ err error }
+
 func (m *panelModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	switch msg := msg.(type) {
 	case tea.WindowSizeMsg:
 		m.list.SetSize(msg.Width, msg.Height-2)
 		return m, nil
 
+	case awsLoginDoneMsg:
+		return m.afterAWSLogin(msg.err)
+
 	case tea.KeyMsg:
 		switch msg.String() {
 		case "ctrl+c":
@@ -138,6 +150,8 @@ func (m *panelModel) handleEnter() (tea.Model, tea.Cmd) {
 		return m.fromRedeployList()
 	case stepRedeployConfirm:
 		return m.fromRedeployConfirm()
+	case stepAWSAuthPrompt:
+		return m.fromAWSAuthPrompt()
 	case stepSecretRegion:
 		m.awsRegion = m.input.Value()
 		return m.fetchSecretList()
@@ -150,7 +164,7 @@ func (m *panelModel) handleEnter() (tea.Model, tea.Cmd) {
 		return m.fromForceSyncConfirm()
 	case stepExternalSecretName:
 		return m.doForceSync()
-	case stepDiffResult, stepDone:
+	case stepDiffResult, stepDone, stepError:
 		m.resetToMenu()
 		return m, nil
 	}
@@ -165,6 +179,15 @@ func (m *panelModel) resetToMenu() {
 	m.err = nil
 }
 
+// showError switches to a dedicated error screen so failures from
+// kubectl/aws calls stay visible until the user explicitly acknowledges
+// them with Enter, instead of being silently discarded.
+func (m *panelModel) showError(err error) (tea.Model, tea.Cmd) {
+	m.err = err
+	m.step = stepError
+	return m, nil
+}
+
 func (m *panelModel) fromMenu() (tea.Model, tea.Cmd) {
 	item, ok := m.list.SelectedItem().(simpleItem)
 	if !ok {
@@ -174,8 +197,7 @@ func (m *panelModel) fromMenu() (tea.Model, tea.Cmd) {
 	case "redeploy":
 		deployments, err := kubeexec.GetDeployments(m.ns)
 		if err != nil {
-			m.err = err
-			return m, nil
+			return m.showError(err)
 		}
 		items := make([]list.Item, 0, len(deployments))
 		for _, d := range deployments {
@@ -185,15 +207,63 @@ func (m *panelModel) fromMenu() (tea.Model, tea.Cmd) {
 		m.list.Title = "Select deployment to restart (esc = back)"
 		m.step = stepRedeployList
 	case "secrets":
-		m.step = stepSecretRegion
-		m.input.SetValue("eu-central-1")
-		m.input.Placeholder = "AWS region"
+		return m.checkAWSAuthAndProceed()
 	case "quit":
 		return m.handleEsc()
 	}
 	return m, nil
 }
 
+// checkAWSAuthAndProceed verifies the current AWS credentials/SSO session
+// before entering the secrets workflow. If the check fails (e.g. an
+// expired SSO session), it offers to run the configured login command
+// interactively instead of letting the user hit a confusing failure
+// several steps later.
+func (m *panelModel) checkAWSAuthAndProceed() (tea.Model, tea.Cmd) {
+	if err := kubeexec.CheckAWSAuth(); err != nil {
+		m.err = err
+		m.list.SetItems([]list.Item{
+			simpleItem{label: "Run AWS login now (" + m.cfg.LoginCommand() + ")", value: "login"},
+			simpleItem{label: "Cancel", value: "cancel"},
+		})
+		m.list.Title = "AWS session invalid or expired"
+		m.step = stepAWSAuthPrompt
+		return m, nil
+	}
+	m.step = stepSecretRegion
+	m.input.SetValue("eu-central-1")
+	m.input.Placeholder = "AWS region"
+	return m, nil
+}
+
+func (m *panelModel) fromAWSAuthPrompt() (tea.Model, tea.Cmd) {
+	item, ok := m.list.SelectedItem().(simpleItem)
+	if !ok || item.value != "login" {
+		m.resetToMenu()
+		return m, nil
+	}
+	cmd := kubeexec.RunAWSLogin(m.cfg.LoginCommand())
+	return m, tea.ExecProcess(cmd, func(err error) tea.Msg {
+		return awsLoginDoneMsg{err: err}
+	})
+}
+
+// afterAWSLogin re-checks AWS auth once the interactive login command has
+// finished (successfully or not) and either proceeds into the secrets
+// workflow or shows the remaining error.
+func (m *panelModel) afterAWSLogin(execErr error) (tea.Model, tea.Cmd) {
+	if execErr != nil {
+		return m.showError(fmt.Errorf("login command failed to run: %w", execErr))
+	}
+	if err := kubeexec.CheckAWSAuth(); err != nil {
+		return m.showError(fmt.Errorf("still not authenticated with AWS after running '%s': %w", m.cfg.LoginCommand(), err))
+	}
+	m.step = stepSecretRegion
+	m.input.SetValue("eu-central-1")
+	m.input.Placeholder = "AWS region"
+	return m, nil
+}
+
 func (m *panelModel) fromRedeployList() (tea.Model, tea.Cmd) {
 	item, ok := m.list.SelectedItem().(simpleItem)
 	if !ok {
@@ -218,9 +288,12 @@ func (m *panelModel) fromRedeployConfirm() (tea.Model, tea.Cmd) {
 	deployment := m.k8sSecretName // set in fromRedeployList
 	_, err := kubeexec.RolloutRestart(m.ns, deployment)
 	if err != nil {
-		m.err = err
+		return m.showError(err)
+	}
+	status, err := kubeexec.RolloutStatus(m.ns, deployment)
+	if err != nil {
+		return m.showError(err)
 	}
-	status, _ := kubeexec.RolloutStatus(m.ns, deployment)
 	m.message = "Rollout status: " + status
 	m.step = stepDone
 	return m, nil
@@ -231,14 +304,10 @@ func (m *panelModel) fromRedeployConfirm() (tea.Model, tea.Cmd) {
 func (m *panelModel) fetchSecretList() (tea.Model, tea.Cmd) {
 	names, err := kubeexec.ListAWSSecrets(m.awsRegion)
 	if err != nil {
-		m.err = err
-		m.resetToMenu()
-		return m, nil
+		return m.showError(err)
 	}
 	if len(names) == 0 {
-		m.err = fmt.Errorf("no AWS secrets found in region %s (or missing IAM permissions)", m.awsRegion)
-		m.resetToMenu()
-		return m, nil
+		return m.showError(fmt.Errorf("no AWS secrets found in region %s (or missing IAM permissions)", m.awsRegion))
 	}
 	items := make([]list.Item, 0, len(names))
 	for _, n := range names {
@@ -259,9 +328,7 @@ func (m *panelModel) fromSecretList() (tea.Model, tea.Cmd) {
 
 	raw, err := kubeexec.GetAWSSecretString(m.awsSecretID, m.awsRegion)
 	if err != nil {
-		m.err = err
-		m.resetToMenu()
-		return m, nil
+		return m.showError(err)
 	}
 	var parsed map[string]interface{}
 	if err := json.Unmarshal([]byte(raw), &parsed); err != nil {
@@ -286,9 +353,7 @@ func (m *panelModel) fromSecretList() (tea.Model, tea.Cmd) {
 func (m *panelModel) compareAllFields() (tea.Model, tea.Cmd) {
 	k8sValues, err := kubeexec.GetSecretAllFields(m.ns, m.k8sSecretName)
 	if err != nil {
-		m.err = err
-		m.resetToMenu()
-		return m, nil
+		return m.showError(err)
 	}
 	m.k8sValues = k8sValues
 	m.diffEntries = diffSecretValues(m.awsValues, m.k8sValues)
@@ -348,7 +413,7 @@ func (m *panelModel) doForceSync() (tea.Model, tea.Cmd) {
 	ts := time.Now().Unix()
 	_, err := kubeexec.AnnotateForceSync(m.ns, name, ts)
 	if err != nil {
-		m.err = err
+		return m.showError(err)
 	}
 	m.message += fmt.Sprintf("\nForce-sync requested for %s (timestamp %s).", name, strconv.FormatInt(ts, 10))
 	m.step = stepDone
@@ -358,19 +423,23 @@ func (m *panelModel) doForceSync() (tea.Model, tea.Cmd) {
 func (m *panelModel) View() string {
 	switch m.step {
 	case stepMenu, stepRedeployList, stepRedeployConfirm, stepSecretList:
-		v := m.list.View()
+		return m.list.View()
+	case stepAWSAuthPrompt:
+		errText := ""
 		if m.err != nil {
-			v += "\nerror: " + m.err.Error()
+			errText = m.err.Error() + "\n\n"
 		}
-		return v
+		return errText + m.list.View()
 	case stepForceSyncConfirm:
 		return m.message + "\n\n" + m.list.View()
 	case stepDiffResult, stepDone:
-		v := m.message
+		return m.message + "\n\n(press enter to return to menu, esc to close session)"
+	case stepError:
+		errText := "unknown error"
 		if m.err != nil {
-			v += "\nerror: " + m.err.Error()
+			errText = m.err.Error()
 		}
-		return v + "\n\n(press enter to return to menu, esc to close session)"
+		return "ERROR:\n\n" + errText + "\n\n(press enter to return to menu, esc to close session)"
 	default:
 		return fmt.Sprintf("%s\n\n%s\n\n(enter = confirm, esc = back to menu/close session)",
 			m.stepPrompt(), m.input.View())

config.example.yaml

@@ -17,3 +17,10 @@ context_pairs:
 # team-selection screen. Adjust this to whatever label your organization
 # actually uses (can contain a domain prefix, e.g. "example.org/team").
 team_label_key: "example.org/team"
+
+# Command used to (re-)authenticate with AWS before the Secrets workflow,
+# if 'aws sts get-caller-identity' fails (e.g. an expired AWS SSO session).
+# Defaults to "aws sso login" if omitted. Override this if your organization
+# wraps SSO login in a custom script or needs a specific --profile, e.g.:
+#   aws_sso_login_command: "aws sso login --profile my-profile"
+aws_sso_login_command: "aws sso login"

internal/config/config.go

@@ -11,10 +11,26 @@ import (
 	"github.com/skoelle/kctl-tui/internal/kctl"
 )
 
+// DefaultAWSSSOLoginCommand is used when the user has not configured a
+// custom login command in their config.yaml.
+const DefaultAWSSSOLoginCommand = "aws sso login"
+
 // Config is the root structure of ~/.kctl-tui/config.yaml
 type Config struct {
-	ContextPairs []kctl.ContextPair `yaml:"context_pairs"`
-	TeamLabelKey string              `yaml:"team_label_key"`
+	ContextPairs       []kctl.ContextPair `yaml:"context_pairs"`
+	TeamLabelKey       string             `yaml:"team_label_key"`
+	AWSSSOLoginCommand string             `yaml:"aws_sso_login_command"`
+}
+
+// LoginCommand returns the configured AWS SSO login command, falling back
+// to DefaultAWSSSOLoginCommand if none is set. Organizations that wrap
+// SSO login in a custom script (e.g. to select a specific profile) can
+// override this via aws_sso_login_command in config.yaml.
+func (c Config) LoginCommand() string {
+	if c.AWSSSOLoginCommand == "" {
+		return DefaultAWSSSOLoginCommand
+	}
+	return c.AWSSSOLoginCommand
 }
 
 // DefaultPath returns the default config file location: ~/.kctl-tui/config.yaml

internal/kubeexec/kubeexec.go

@@ -184,3 +184,23 @@ func GetAWSSecretString(secretID, region string) (string, error) {
 		"--secret-id", secretID, "--region", region,
 		"--query", "SecretString", "--output", "text")
 }
+
+// CheckAWSAuth performs a cheap, fast call to verify the current AWS
+// credentials/SSO session are valid. Returns nil if authenticated, or the
+// underlying error (e.g. an expired SSO session) otherwise.
+func CheckAWSAuth() error {
+	_, err := runOutput("aws", "sts", "get-caller-identity", "--query", "Account", "--output", "text")
+	return err
+}
+
+// RunAWSLogin returns an *exec.Cmd for the given login command (e.g.
+// "aws sso login"), split on whitespace. The caller is responsible for
+// running it interactively (e.g. via tea.ExecProcess) since SSO login
+// typically requires opening a browser and confirming a device code.
+func RunAWSLogin(loginCommand string) *exec.Cmd {
+	parts := strings.Fields(loginCommand)
+	if len(parts) == 0 {
+		parts = []string{"aws", "sso", "login"}
+	}
+	return exec.Command(parts[0], parts[1:]...)
+}