Add initial code for capibmadm tool

cmd/capibmadm/cmd/doc.go

@@ -0,0 +1,18 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package cmd contains the capibm cli commands.
+package cmd

cmd/capibmadm/cmd/powervs/doc.go

@@ -0,0 +1,18 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package powervs contains the commands to operate on Power VS resources.
+package powervs

cmd/capibmadm/cmd/powervs/network/create.go

@@ -0,0 +1,66 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package network
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+
+	logf "sigs.k8s.io/cluster-api/cmd/clusterctl/log"
+
+	"sigs.k8s.io/cluster-api-provider-ibmcloud/cmd/capibmadm/options"
+)
+
+type networkCreateOptions struct {
+	name       string
+	dnsServers []string
+}
+
+// NewNetworkCreateCommand function to create PowerVS network.
+func NewNetworkCreateCommand() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "create NETWORK_NAME",
+		Short: "Create PowerVS network",
+		Example: `
+# Create PowerVS network with name capi-network
+export IBMCLOUD_API_KEY=<api-key>
+capibmadm powervs network create capi-network --service-instance-id <service-instance-id>`,
+	}
+
+	var netCreateOption networkCreateOptions
+	cmd.Flags().StringSliceVar(&netCreateOption.dnsServers, "dns-servers", []string{"8.8.8.8", "9.9.9.9"}, "Comma separated list of DNS Servers to use for this network")
+
+	cmd.RunE = func(cmd *cobra.Command, args []string) error {
+		if len(args) < 1 {
+			return fmt.Errorf("network name is not provided")
+		}
+		netCreateOption.name = args[0]
+		if err := createNetwork(netCreateOption); err != nil {
+			return err
+		}
+		return nil
+	}
+	return cmd
+}
+
+func createNetwork(netCreateOption networkCreateOptions) error {
+	log := logf.Log
+	log.Info("Creating Power VS network", "name", netCreateOption.name, "service-instance-id", options.GlobalOptions.ServiceInstanceID, "dns-servers", netCreateOption.dnsServers)
+	//TODO: add network creation logic here
+	return nil
+}

cmd/capibmadm/cmd/powervs/network/doc.go

@@ -0,0 +1,18 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package network contains the commands to operate on Power VS Network resources.
+package network

cmd/capibmadm/cmd/powervs/network/network.go

@@ -0,0 +1,51 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package network
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+
+	"sigs.k8s.io/cluster-api-provider-ibmcloud/cmd/capibmadm/options"
+)
+
+// NewNetworkCommand function to add PowerVS network commands.
+func NewNetworkCommand() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "network",
+		Short: "Perform PowerVS network operations",
+		PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
+			// we cannot have multiple PersistentPreRunE for a command
+			// This block is a workaround mentioned in https://github.com/spf13/cobra/issues/252
+			root := cmd
+			for ; root.HasParent(); root = root.Parent() {
+			}
+			if err := root.PersistentPreRunE(cmd, args); err != nil {
+				return err
+			}
+			if options.GlobalOptions.ServiceInstanceID == "" {
+				return fmt.Errorf("service-instance-id is not provided")
+			}
+			return nil
+		},
+	}
+	options.AddCommonFlags(cmd)
+	cmd.AddCommand(NewNetworkCreateCommand())
+
+	return cmd
+}

cmd/capibmadm/cmd/powervs/powervs.go

@@ -0,0 +1,34 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package powervs
+
+import (
+	"github.com/spf13/cobra"
+
+	networkcmd "sigs.k8s.io/cluster-api-provider-ibmcloud/cmd/capibmadm/cmd/powervs/network"
+)
+
+// NewPowerVSCommand initialises and returns powervs command.
+func NewPowerVSCommand() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "powervs",
+		Short: "Commands for operations on PowerVS resources",
+	}
+	cmd.AddCommand(networkcmd.NewNetworkCommand())
+
+	return cmd
+}

cmd/capibmadm/cmd/root.go

@@ -0,0 +1,63 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package cmd
+
+import (
+	"flag"
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+
+	logf "sigs.k8s.io/cluster-api/cmd/clusterctl/log"
+
+	powervscmd "sigs.k8s.io/cluster-api-provider-ibmcloud/cmd/capibmadm/cmd/powervs"
+	"sigs.k8s.io/cluster-api-provider-ibmcloud/cmd/capibmadm/options"
+)
+
+func init() {
+	verbosity := flag.CommandLine.Int("v", 0, "Set the log level verbosity.")
+	logf.SetLogger(logf.NewLogger(logf.WithThreshold(verbosity)))
+}
+
+func rootCommand() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "capibmadm",
+		Short: "Kubernetes Cluster API Provider IBM Cloud Management Utility",
+		Long:  `capibmadm provides helpers for completing the prerequisite operations for creating IBM Cloud Power VS or VPC clusters.`,
+		PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
+			apiKey := os.Getenv(options.IBMCloudAPIKeyEnvName)
+			if apiKey == "" {
+				return fmt.Errorf("ibmcloud api key is not provided, set %s environmental variable", options.IBMCloudAPIKeyEnvName)
+			}
+			options.GlobalOptions.IBMCloudAPIKey = apiKey
+			return nil
+		},
+	}
+	cmd.PersistentFlags().AddGoFlagSet(flag.CommandLine)
+	cmd.AddCommand(powervscmd.NewPowerVSCommand())
+
+	return cmd
+}
+
+// Execute executes the root command.
+func Execute() {
+	if err := rootCommand().Execute(); err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+}

cmd/capibmadm/main.go

@@ -0,0 +1,26 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// main is the main package for the capibm cli tool.
+package main
+
+import (
+	"sigs.k8s.io/cluster-api-provider-ibmcloud/cmd/capibmadm/cmd"
+)
+
+func main() {
+	cmd.Execute()
+}

cmd/capibmadm/options/doc.go

@@ -0,0 +1,18 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package options implements options code.
+package options

cmd/capibmadm/options/options.go

@@ -0,0 +1,36 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package options contains the reusable and global variables.
+package options
+
+import "github.com/spf13/cobra"
+
+// IBMCloudAPIKeyEnvName holds the environmental variable name to set PowerVS service instance ID.
+const IBMCloudAPIKeyEnvName = "IBMCLOUD_API_KEY" //nolint:gosec
+
+// GlobalOptions holds the global variable struct.
+var GlobalOptions = &options{}
+
+type options struct {
+	IBMCloudAPIKey    string
+	ServiceInstanceID string
+}
+
+// AddCommonFlags will add a common flag to the cli.
+func AddCommonFlags(cmd *cobra.Command) {
+	cmd.PersistentFlags().StringVar(&GlobalOptions.ServiceInstanceID, "service-instance-id", "", "PowerVS service instance id")
+}

docs/book/src/SUMMARY.md

@@ -17,6 +17,9 @@
     - [Creating a cluster with External Cloud Provider](./topics/powervs/external-cloud-provider.md)
     - [Creating a cluster from ClusterClass](./topics/powervs/clusterclass-cluster.md)
     - [Using autoscaler with scaling from 0 machine](./topics/powervs/autoscaler-scalling-from-0.md)
+- [capibmadm CLI](./topics/capibmadm/index.md)
+  - [Power VS Commands](./topics/capibmadm/powervs/index.md)
+    - [Network Commands](./topics/capibmadm/powervs/network.md)
 - [Developer Guide](./developer/index.md)
   - [Rapid iterative development with Tilt](./developer/tilt.md)
   - [Guide for API conversions](./developer/conversion.md)

docs/book/src/topics/capibmadm/index.md

@@ -0,0 +1,5 @@
+# capibmadm CLI
+
+Kubernetes Cluster API Provider IBM Cloud Management Utility
+
+## [1. Power VS commands](./powervs/index.md)

docs/book/src/topics/capibmadm/powervs/index.md

@@ -0,0 +1,6 @@
+# capibmadm powervs `<commands>`
+
+
+## 1. Power VS commands
+- [network](./network.md)
+    - [create](/topics/capibmadm/powervs/network.html#1-capibmadm-powervs-network-create)