mirror of https://github.com/k3d-io/k3d
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
132 lines
3.8 KiB
132 lines
3.8 KiB
/*
|
|
Copyright © 2020 The k3d Author(s)
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
*/
|
|
package get
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"sort"
|
|
"strings"
|
|
|
|
k3cluster "github.com/rancher/k3d/pkg/cluster"
|
|
"github.com/rancher/k3d/pkg/runtimes"
|
|
k3d "github.com/rancher/k3d/pkg/types"
|
|
"github.com/spf13/cobra"
|
|
|
|
log "github.com/sirupsen/logrus"
|
|
|
|
"github.com/liggitt/tabwriter"
|
|
)
|
|
|
|
// NewCmdGetCluster returns a new cobra command
|
|
func NewCmdGetCluster() *cobra.Command {
|
|
|
|
// create new command
|
|
cmd := &cobra.Command{
|
|
Use: "cluster [NAME [NAME...]]",
|
|
Aliases: []string{"clusters"},
|
|
Short: "Get cluster(s)",
|
|
Long: `Get cluster(s).`,
|
|
Args: cobra.MinimumNArgs(0), // 0 or more; 0 = all
|
|
Run: func(cmd *cobra.Command, args []string) {
|
|
clusters, headersOff := parseGetClusterCmd(cmd, args)
|
|
var existingClusters []*k3d.Cluster
|
|
if len(clusters) == 0 { // Option a) no cluster name specified -> get all clusters
|
|
found, err := k3cluster.GetClusters(cmd.Context(), runtimes.SelectedRuntime)
|
|
if err != nil {
|
|
log.Fatalln(err)
|
|
}
|
|
existingClusters = append(existingClusters, found...)
|
|
} else { // Option b) cluster name specified -> get specific cluster
|
|
for _, cluster := range clusters {
|
|
found, err := k3cluster.GetCluster(cmd.Context(), runtimes.SelectedRuntime, cluster)
|
|
if err != nil {
|
|
log.Fatalln(err)
|
|
}
|
|
existingClusters = append(existingClusters, found)
|
|
}
|
|
}
|
|
// print existing clusters
|
|
printClusters(existingClusters, headersOff)
|
|
},
|
|
}
|
|
|
|
// add flags
|
|
cmd.Flags().Bool("no-headers", false, "Disable headers")
|
|
|
|
// add subcommands
|
|
|
|
// done
|
|
return cmd
|
|
}
|
|
|
|
func parseGetClusterCmd(cmd *cobra.Command, args []string) ([]*k3d.Cluster, bool) {
|
|
|
|
// --no-headers
|
|
headersOff, err := cmd.Flags().GetBool("no-headers")
|
|
if err != nil {
|
|
log.Fatalln(err)
|
|
}
|
|
|
|
// Args = cluster name
|
|
if len(args) == 0 {
|
|
return nil, headersOff
|
|
}
|
|
|
|
clusters := []*k3d.Cluster{}
|
|
for _, name := range args {
|
|
clusters = append(clusters, &k3d.Cluster{Name: name})
|
|
}
|
|
|
|
return clusters, headersOff
|
|
}
|
|
|
|
func printClusters(clusters []*k3d.Cluster, headersOff bool) {
|
|
|
|
tabwriter := tabwriter.NewWriter(os.Stdout, 6, 4, 3, ' ', tabwriter.RememberWidths)
|
|
defer tabwriter.Flush()
|
|
|
|
if !headersOff {
|
|
headers := []string{"NAME", "MASTERS", "WORKERS"} // TODO: getCluster: add status column
|
|
_, err := fmt.Fprintf(tabwriter, "%s\n", strings.Join(headers, "\t"))
|
|
if err != nil {
|
|
log.Fatalln("Failed to print headers")
|
|
}
|
|
}
|
|
|
|
sort.Slice(clusters, func(i, j int) bool {
|
|
return clusters[i].Name < clusters[j].Name
|
|
})
|
|
|
|
for _, cluster := range clusters {
|
|
masterCount := 0
|
|
workerCount := 0
|
|
for _, node := range cluster.Nodes {
|
|
if node.Role == k3d.MasterRole {
|
|
masterCount++
|
|
} else if node.Role == k3d.WorkerRole {
|
|
workerCount++
|
|
}
|
|
}
|
|
fmt.Fprintf(tabwriter, "%s\t%d\t%d\n", cluster.Name, masterCount, workerCount)
|
|
}
|
|
}
|
|
|