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client.go
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client.go
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/*
* Copyright (c) 2017, MegaEase
* 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:https://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 test
import (
"bytes"
"fmt"
"os"
"os/exec"
"regexp"
"strings"
)
func egctlWithServer(server string, args ...string) *exec.Cmd {
egctl := os.Getenv("EGCTL")
if egctl == "" {
egctl = "egctl"
}
cmd := exec.Command(egctl, args...)
cmd.Args = append(cmd.Args, "--server", server)
return cmd
}
func egctlCmd(args ...string) *exec.Cmd {
return egctlWithServer("http:https://127.0.0.1:12381", args...)
}
func runCmd(cmd *exec.Cmd) (string, string, error) {
var stdout, stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err := cmd.Run()
return stdout.String(), stderr.String(), err
}
func createResource(yamlFile string) error {
cmd := egctlCmd("create", "-f", "-")
cmd.Stdin = strings.NewReader(yamlFile)
_, stderr, err := runCmd(cmd)
if err != nil || stderr != "" {
return fmt.Errorf("create resource failed\nstderr: %v\nerr: %v", stderr, err)
}
return nil
}
func applyResource(yamlFile string) error {
cmd := egctlCmd("apply", "-f", "-")
cmd.Stdin = strings.NewReader(yamlFile)
_, stderr, err := runCmd(cmd)
if err != nil || stderr != "" {
return fmt.Errorf("apply resource failed\nstderr: %v\nerr: %v", stderr, err)
}
return nil
}
func deleteResource(kind string, args ...string) error {
cmd := egctlCmd("delete", kind)
if len(args) > 0 {
cmd.Args = append(cmd.Args, args...)
}
_, stderr, err := runCmd(cmd)
if err != nil || stderr != "" {
return fmt.Errorf("delete resource failed\nstderr: %v\nerr: %v", stderr, err)
}
return nil
}
func describeResource(kind string, args ...string) (string, error) {
cmd := egctlCmd("describe", kind)
if len(args) > 0 {
cmd.Args = append(cmd.Args, args...)
}
stdout, stderr, err := runCmd(cmd)
if err != nil || stderr != "" {
return "", fmt.Errorf("describe resource failed\nstderr: %v\nerr: %v", stderr, err)
}
return stdout, nil
}
func getResource(kind string, args ...string) (string, error) {
cmd := egctlCmd("get", kind)
if len(args) > 0 {
cmd.Args = append(cmd.Args, args...)
}
stdout, stderr, err := runCmd(cmd)
if err != nil || stderr != "" {
return "", fmt.Errorf("describe resource failed\nstderr: %v\nerr: %v", stderr, err)
}
return stdout, nil
}
func matchTable(array []string, output string) bool {
// Join the elements of the array with the regular expression pattern to match one or more tab characters
pattern := strings.Join(array, `\t+`)
// Compile the regular expression pattern
re := regexp.MustCompile(pattern)
// Check if the regular expression matches the output string
return re.MatchString(output)
}
func egbuilderCmd(args ...string) *exec.Cmd {
egbuilder := os.Getenv("EGBUILDER")
if egbuilder == "" {
egbuilder = "egbuilder"
}
cmd := exec.Command(egbuilder, args...)
return cmd
}