GCP-181: add infrastructure create and destroy CLI commands for GCP

cmd/infra/create.go

@@ -3,6 +3,7 @@ package infra
 import (
 	"github.com/openshift/hypershift/cmd/infra/aws"
 	"github.com/openshift/hypershift/cmd/infra/azure"
+	"github.com/openshift/hypershift/cmd/infra/gcp"
 	"github.com/openshift/hypershift/cmd/infra/powervs"
 
 	"github.com/spf13/cobra"
@@ -17,6 +18,7 @@ func NewCreateCommand() *cobra.Command {
 
 	cmd.AddCommand(aws.NewCreateCommand())
 	cmd.AddCommand(azure.NewCreateCommand())
+	cmd.AddCommand(gcp.NewCreateCommand())
 	cmd.AddCommand(powervs.NewCreateCommand())
 
 	return cmd

cmd/infra/destroy.go

@@ -3,6 +3,7 @@ package infra
 import (
 	"github.com/openshift/hypershift/cmd/infra/aws"
 	"github.com/openshift/hypershift/cmd/infra/azure"
+	"github.com/openshift/hypershift/cmd/infra/gcp"
 	"github.com/openshift/hypershift/cmd/infra/powervs"
 
 	"github.com/spf13/cobra"
@@ -17,6 +18,7 @@ func NewDestroyCommand() *cobra.Command {
 
 	cmd.AddCommand(aws.NewDestroyCommand())
 	cmd.AddCommand(azure.NewDestroyCommand())
+	cmd.AddCommand(gcp.NewDestroyCommand())
 	cmd.AddCommand(powervs.NewDestroyCommand())
 
 	return cmd

cmd/infra/gcp/create_infra.go

@@ -0,0 +1,183 @@
+package gcp
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"os"
+
+	"github.com/openshift/hypershift/cmd/log"
+
+	"github.com/go-logr/logr"
+	"github.com/spf13/cobra"
+)
+
+const (
+	DefaultSubnetCIDR = "10.0.0.0/24"
+)
+
+// CreateInfraOptions contains options for creating GCP infrastructure
+type CreateInfraOptions struct {
+	// Required flags
+	ProjectID string
+	Region    string
+	InfraID   string
+
+	// Optional flags
+	VPCCidr    string
+	OutputFile string
+}
+
+// CreateInfraOutput contains the output from infrastructure creation
+type CreateInfraOutput struct {
+	Region          string `json:"region"`
+	ProjectID       string `json:"projectId"`
+	InfraID         string `json:"infraId"`
+	NetworkName     string `json:"networkName"`
+	NetworkSelfLink string `json:"networkSelfLink"`
+	SubnetName      string `json:"subnetName"`
+	SubnetSelfLink  string `json:"subnetSelfLink"`
+	SubnetCIDR      string `json:"subnetCidr"`
+	RouterName      string `json:"routerName"`
+	NATName         string `json:"natName"`
+}
+
+// NewCreateCommand creates a new cobra command for creating GCP infrastructure
+func NewCreateCommand() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:          "gcp",
+		Short:        "Creates GCP infrastructure resources for a cluster",
+		SilenceUsage: true,
+	}
+
+	opts := CreateInfraOptions{
+		VPCCidr: DefaultSubnetCIDR,
+	}
+
+	cmd.Flags().StringVar(&opts.ProjectID, "project-id", opts.ProjectID, "GCP Project ID (required)")
+	cmd.Flags().StringVar(&opts.Region, "region", opts.Region, "GCP region where infrastructure will be created")
+	cmd.Flags().StringVar(&opts.InfraID, "infra-id", opts.InfraID, "Infrastructure ID for resource naming (required)")
+	cmd.Flags().StringVar(&opts.VPCCidr, "vpc-cidr", opts.VPCCidr, "CIDR block for the subnet")
+	cmd.Flags().StringVar(&opts.OutputFile, "output-file", opts.OutputFile, "Path to file that will contain output information from infra resources (optional)")
+
+	_ = cmd.MarkFlagRequired("project-id")
+	_ = cmd.MarkFlagRequired("region")
+	_ = cmd.MarkFlagRequired("infra-id")
+
+	logger := log.Log
+	cmd.PreRunE = func(cmd *cobra.Command, args []string) error {
+		return opts.Validate()
+	}
+	cmd.RunE = func(cmd *cobra.Command, args []string) error {
+		if err := opts.Run(cmd.Context(), logger); err != nil {
+			logger.Error(err, "Failed to create GCP infrastructure")
+			return err
+		}
+		logger.Info("Successfully created GCP infrastructure")
+		return nil
+	}
+
+	return cmd
+}
+
+// Validate validates the create infrastructure options
+func (o *CreateInfraOptions) Validate() error {
+	if o.ProjectID == "" {
+		return fmt.Errorf("--project-id is required")
+	}
+	if o.InfraID == "" {
+		return fmt.Errorf("--infra-id is required")
+	}
+	if o.Region == "" {
+		return fmt.Errorf("--region is required")
+	}
+	return nil
+}
+
+// Run executes the infrastructure creation
+func (o *CreateInfraOptions) Run(ctx context.Context, logger logr.Logger) error {
+	result, err := o.CreateInfra(ctx, logger)
+	if err != nil {
+		return err
+	}
+	return o.Output(result)
+}
+
+// Output writes the infrastructure output to stdout or a file
+func (o *CreateInfraOptions) Output(result *CreateInfraOutput) error {
+	out := os.Stdout
+	if len(o.OutputFile) > 0 {
+		var err error
+		out, err = os.Create(o.OutputFile)
+		if err != nil {
+			return fmt.Errorf("cannot create output file: %w", err)
+		}
+		defer func(out *os.File) {
+			_ = out.Close()
+		}(out)
+	}
+	outputBytes, err := json.MarshalIndent(result, "", "  ")
+	if err != nil {
+		return fmt.Errorf("failed to serialize result: %w", err)
+	}
+	_, err = out.Write(outputBytes)
+	if err != nil {
+		return fmt.Errorf("failed to write result: %w", err)
+	}
+	return nil
+}
+
+// CreateInfra creates the GCP infrastructure resources
+func (o *CreateInfraOptions) CreateInfra(ctx context.Context, logger logr.Logger) (*CreateInfraOutput, error) {
+	logger.Info("Creating GCP infrastructure", "projectID", o.ProjectID, "region", o.Region, "infraID", o.InfraID)
+
+	// Ensure a sensible default for programmatic callers that don't go through NewCreateCommand
+	if o.VPCCidr == "" {
+		o.VPCCidr = DefaultSubnetCIDR
+	}
+
+	// Initialize network manager
+	networkManager, err := NewNetworkManager(ctx, o.ProjectID, o.InfraID, o.Region, logger)
+	if err != nil {
+		return nil, fmt.Errorf("failed to initialize network manager: %w", err)
+	}
+
+	result := &CreateInfraOutput{
+		Region:    o.Region,
+		ProjectID: o.ProjectID,
+		InfraID:   o.InfraID,
+	}
+
+	// Create VPC network
+	network, err := networkManager.CreateNetwork(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create VPC network: %w", err)
+	}
+	result.NetworkName = network.Name
+	result.NetworkSelfLink = network.SelfLink
+
+	// Create subnet
+	subnet, err := networkManager.CreateSubnet(ctx, network.SelfLink, o.VPCCidr)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create subnet: %w", err)
+	}
+	result.SubnetName = subnet.Name
+	result.SubnetSelfLink = subnet.SelfLink
+	result.SubnetCIDR = subnet.IpCidrRange
+
+	// Create Cloud Router
+	router, err := networkManager.CreateRouter(ctx, network.SelfLink)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create Cloud Router: %w", err)
+	}
+	result.RouterName = router.Name
+
+	// Create Cloud NAT
+	natName, err := networkManager.CreateNAT(ctx, router.Name, subnet.SelfLink)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create Cloud NAT: %w", err)
+	}
+	result.NATName = natName
+
+	return result, nil
+}