103 lines
2.1 KiB
Go
103 lines
2.1 KiB
Go
// Copyright (C) 2023-2024 Umorpha Systems
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// SPDX-License-Identifier: AGPL-3.0-or-later
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package main
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import (
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"context"
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"crypto/rand"
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"encoding/json"
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"fmt"
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"io"
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"math/big"
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"net/http"
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"net/url"
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"os"
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"github.com/datawire/ocibuild/pkg/cliutil"
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"github.com/spf13/cobra"
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"git.mothstuff.lol/lukeshu/eclipse/lib/eclipse"
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)
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func main() {
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argparser := &cobra.Command{
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Use: os.Args[0] + " [flags] JOBS_URL",
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Short: "Choose a job from the central cordinator server",
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Args: cliutil.WrapPositionalArgs(cobra.ExactArgs(1)),
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SilenceErrors: true, // we'll handle this ourselves after .ExecuteContext()
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SilenceUsage: true, // FlagErrorFunc will handle this
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CompletionOptions: cobra.CompletionOptions{
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DisableDefaultCmd: true,
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},
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}
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argparser.SetFlagErrorFunc(cliutil.FlagErrorFunc)
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argparser.SetHelpTemplate(cliutil.HelpTemplate)
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argparser.RunE = func(cmd *cobra.Command, args []string) error {
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return Pick(args[0])
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}
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ctx := context.Background()
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if err := argparser.ExecuteContext(ctx); err != nil {
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fmt.Fprintf(os.Stderr, "%v: error: %v\n", argparser.CommandPath(), err)
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os.Exit(1)
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}
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}
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func randInt(max int) (int, error) {
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bigN, err := rand.Int(rand.Reader, big.NewInt(int64(max)))
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if err != nil {
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return 0, err
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}
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return int(bigN.Int64()), nil
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}
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func Pick(serverURL string) error {
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u, err := url.Parse(serverURL)
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if err != nil {
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return err
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}
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u.Path = "/jobs/"
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u.RawQuery = url.Values{
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"status": []string{"new"},
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"wait": []string{"true"},
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}.Encode()
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resp, err := http.Get(u.String())
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if err != nil {
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return err
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}
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if resp.StatusCode != http.StatusOK {
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err := fmt.Errorf("HTTP %s", resp.Status)
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body, _ := io.ReadAll(resp.Body)
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if len(body) > 0 {
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err = fmt.Errorf("%w\n%s", err, body)
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}
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return err
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}
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bodyBytes, err := io.ReadAll(resp.Body)
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if err != nil {
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return err
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}
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var options []eclipse.Job
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if err := json.Unmarshal(bodyBytes, &options); err != nil {
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return err
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}
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n, err := randInt(len(options))
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if err != nil {
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return err
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}
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u.Path = fmt.Sprintf("/jobs/%d/", options[n].ID)
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u.RawQuery = ""
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fmt.Println(u)
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return nil
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}
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