mirror of https://github.com/k3d-io/k3d
parent
d17a2aefa9
commit
c6df1448ef
@ -0,0 +1,89 @@ |
|||||||
|
/* |
||||||
|
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 util |
||||||
|
|
||||||
|
import ( |
||||||
|
"encoding/json" |
||||||
|
"fmt" |
||||||
|
"os" |
||||||
|
"sort" |
||||||
|
"strings" |
||||||
|
|
||||||
|
"github.com/liggitt/tabwriter" |
||||||
|
k3d "github.com/rancher/k3d/v4/pkg/types" |
||||||
|
log "github.com/sirupsen/logrus" |
||||||
|
"gopkg.in/yaml.v2" |
||||||
|
) |
||||||
|
|
||||||
|
type NodePrinter interface { |
||||||
|
Print(*tabwriter.Writer, *k3d.Node) |
||||||
|
} |
||||||
|
|
||||||
|
type NodePrinterFunc func(*tabwriter.Writer, *k3d.Node) |
||||||
|
|
||||||
|
func (npf NodePrinterFunc) Print(writter *tabwriter.Writer, node *k3d.Node) { |
||||||
|
npf(writter, node) |
||||||
|
} |
||||||
|
|
||||||
|
// PrintNodes prints a list of nodes, either as a table or as a JSON/YAML listing
|
||||||
|
func PrintNodes(nodes []*k3d.Node, outputFormat string, headers *[]string, nodePrinter NodePrinter) { |
||||||
|
outputFormat = strings.ToLower(outputFormat) |
||||||
|
|
||||||
|
tabwriter := tabwriter.NewWriter(os.Stdout, 6, 4, 3, ' ', tabwriter.RememberWidths) |
||||||
|
defer tabwriter.Flush() |
||||||
|
|
||||||
|
if outputFormat != "json" && outputFormat != "yaml" { |
||||||
|
if headers != nil { |
||||||
|
_, err := fmt.Fprintf(tabwriter, "%s\n", strings.Join(*headers, "\t")) |
||||||
|
if err != nil { |
||||||
|
log.Fatalln("Failed to print headers") |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
sort.Slice(nodes, func(i, j int) bool { |
||||||
|
return nodes[i].Name < nodes[j].Name |
||||||
|
}) |
||||||
|
|
||||||
|
if outputFormat == "json" || outputFormat == "yaml" { |
||||||
|
var b []byte |
||||||
|
var err error |
||||||
|
|
||||||
|
switch outputFormat { |
||||||
|
case "json": |
||||||
|
b, err = json.Marshal(nodes) |
||||||
|
case "yaml": |
||||||
|
b, err = yaml.Marshal(nodes) |
||||||
|
} |
||||||
|
if err != nil { |
||||||
|
fmt.Println(err) |
||||||
|
return |
||||||
|
} |
||||||
|
fmt.Println(string(b)) |
||||||
|
} else { |
||||||
|
for _, node := range nodes { |
||||||
|
if !(outputFormat == "json" || outputFormat == "yaml") { |
||||||
|
nodePrinter.Print(tabwriter, node) |
||||||
|
} |
||||||
|
} |
||||||
|
} |
||||||
|
} |
Loading…
Reference in new issue