/
block.go
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/
block.go
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// Copyright (c) 2017 Pani Networks
// All Rights Reserved.
//
// 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 commands
import (
"encoding/json"
"fmt"
"net/http"
"os"
"text/tabwriter"
"github.com/romana/core/common/api"
"github.com/go-resty/resty"
cli "github.com/spf13/cobra"
config "github.com/spf13/viper"
)
// blockCmd represents the block commands
var blockCmd = &cli.Command{
Use: "block [add|show|list|remove]",
Short: "Add, Remove or Show blocks for romana services.",
Long: `Add, Remove or Show blocks for romana services.
block requires a subcommand, e.g. ` + "`romana block list`." + `
For more information, please check http://romana.io
`,
}
func init() {
blockCmd.AddCommand(blockAddCmd)
blockCmd.AddCommand(blockShowCmd)
blockCmd.AddCommand(blockListCmd)
blockCmd.AddCommand(blockRemoveCmd)
}
var blockAddCmd = &cli.Command{
Use: "add [block CIDR][block host]",
Short: "Add a new block.",
Long: `Add a new block.`,
RunE: blockAdd,
SilenceUsage: true,
}
var blockShowCmd = &cli.Command{
Use: "show [block name 1][block name 2]...",
Short: "Show details for a specific block.",
Long: `Show details for a specific block.`,
RunE: blockShow,
SilenceUsage: true,
}
var blockListCmd = &cli.Command{
Use: "list",
Short: "List all blocks.",
Long: `List all blocks.`,
RunE: blockList,
SilenceUsage: true,
}
var blockRemoveCmd = &cli.Command{
Use: "remove [block name]",
Short: "Remove a block.",
Long: `Remove a block.`,
RunE: blockRemove,
SilenceUsage: true,
}
func blockAdd(cmd *cli.Command, args []string) error {
fmt.Println("Unimplemented: Add block/s.")
return nil
}
func blockShow(cmd *cli.Command, args []string) error {
fmt.Println("Unimplemented: Show block details.")
return nil
}
func blockList(cmd *cli.Command, args []string) error {
rootURL := config.GetString("RootURL")
resp, err := resty.R().Get(rootURL + "/blocks")
if err != nil {
return err
}
if config.GetString("Format") == "json" {
JSONFormat(resp.Body(), os.Stdout)
} else {
w := tabwriter.NewWriter(os.Stdout, 0, 8, 0, '\t', 0)
if resp.StatusCode() == http.StatusOK {
var blocks api.IPAMBlocksResponse
err := json.Unmarshal(resp.Body(), &blocks)
if err == nil {
fmt.Println("Block List")
fmt.Fprintf(w,
"Block CIDR\tBlock Host\tRevision\t"+
"Block Tenant\tBlock Segment\tBlock Allocated IP Count\n",
)
for _, block := range blocks.Blocks {
fmt.Fprintf(w, "%s\t%s\t%d\t%s\t%s\t%d\n",
block.CIDR.String(),
block.Host,
block.Revision,
block.Tenant,
block.Segment,
block.AllocatedIPCount,
)
}
} else {
fmt.Printf("Error: %s \n", err)
}
} else {
var e Error
json.Unmarshal(resp.Body(), &e)
fmt.Println("Host Error")
fmt.Fprintf(w, "Fields\t%s\n", e.Fields)
fmt.Fprintf(w, "Message\t%s\n", e.Message)
fmt.Fprintf(w, "Status\t%d\n", resp.StatusCode())
}
w.Flush()
}
return nil
}
func blockRemove(cmd *cli.Command, args []string) error {
fmt.Println("Unimplemented: Remove a block.")
return nil
}