736 lines
15 KiB
Go
736 lines
15 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package command
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import (
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"bytes"
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"fmt"
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"io"
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"net/http"
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"os"
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"path/filepath"
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"reflect"
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"strings"
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"testing"
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"time"
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"github.com/hashicorp/nomad/api"
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"github.com/hashicorp/nomad/ci"
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"github.com/hashicorp/nomad/client/testutil"
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"github.com/hashicorp/nomad/helper/flatmap"
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"github.com/hashicorp/nomad/helper/pointer"
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"github.com/kr/pretty"
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"github.com/mitchellh/cli"
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"github.com/shoenig/test/must"
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"github.com/stretchr/testify/require"
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)
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func TestHelpers_FormatKV(t *testing.T) {
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ci.Parallel(t)
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in := []string{"alpha|beta", "charlie|delta", "echo|"}
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out := formatKV(in)
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expect := "alpha = beta\n"
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expect += "charlie = delta\n"
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expect += "echo = <none>"
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if out != expect {
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t.Fatalf("expect: %s, got: %s", expect, out)
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}
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}
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func TestHelpers_FormatList(t *testing.T) {
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ci.Parallel(t)
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in := []string{"alpha|beta||delta"}
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out := formatList(in)
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expect := "alpha beta <none> delta"
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if out != expect {
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t.Fatalf("expect: %s, got: %s", expect, out)
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}
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}
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func TestHelpers_NodeID(t *testing.T) {
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ci.Parallel(t)
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srv, _, _ := testServer(t, false, nil)
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defer srv.Shutdown()
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meta := Meta{Ui: cli.NewMockUi()}
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client, err := meta.Client()
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if err != nil {
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t.FailNow()
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}
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// This is because there is no client
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if _, err := getLocalNodeID(client); err == nil {
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t.Fatalf("getLocalNodeID() should fail")
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}
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}
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func TestHelpers_LineLimitReader_NoTimeLimit(t *testing.T) {
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ci.Parallel(t)
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helloString := `hello
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world
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this
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is
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a
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test`
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noLines := "jskdfhjasdhfjkajkldsfdlsjkahfkjdsafa"
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cases := []struct {
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Input string
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Output string
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Lines int
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SearchLimit int
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}{
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{
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Input: helloString,
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Output: helloString,
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Lines: 6,
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SearchLimit: 1000,
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},
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{
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Input: helloString,
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Output: `world
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this
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is
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a
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test`,
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Lines: 5,
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SearchLimit: 1000,
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},
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{
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Input: helloString,
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Output: `test`,
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Lines: 1,
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SearchLimit: 1000,
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},
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{
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Input: helloString,
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Output: "",
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Lines: 0,
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SearchLimit: 1000,
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},
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{
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Input: helloString,
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Output: helloString,
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Lines: 6,
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SearchLimit: 1, // Exceed the limit
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},
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{
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Input: noLines,
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Output: noLines,
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Lines: 10,
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SearchLimit: 1000,
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},
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{
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Input: noLines,
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Output: noLines,
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Lines: 10,
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SearchLimit: 2,
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},
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}
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for i, c := range cases {
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in := io.NopCloser(strings.NewReader(c.Input))
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limit := NewLineLimitReader(in, c.Lines, c.SearchLimit, 0)
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outBytes, err := io.ReadAll(limit)
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if err != nil {
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t.Fatalf("case %d failed: %v", i, err)
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}
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out := string(outBytes)
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if out != c.Output {
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t.Fatalf("case %d: got %q; want %q", i, out, c.Output)
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}
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}
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}
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type testReadCloser struct {
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data chan []byte
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}
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func (t *testReadCloser) Read(p []byte) (n int, err error) {
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select {
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case b, ok := <-t.data:
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if !ok {
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return 0, io.EOF
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}
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return copy(p, b), nil
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case <-time.After(10 * time.Millisecond):
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return 0, nil
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}
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}
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func (t *testReadCloser) Close() error {
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close(t.data)
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return nil
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}
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func TestHelpers_LineLimitReader_TimeLimit(t *testing.T) {
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ci.Parallel(t)
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// Create the test reader
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in := &testReadCloser{data: make(chan []byte)}
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// Set up the reader such that it won't hit the line/buffer limit and could
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// only terminate if it hits the time limit
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limit := NewLineLimitReader(in, 1000, 1000, 100*time.Millisecond)
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expected := []byte("hello world")
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errCh := make(chan error)
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resultCh := make(chan []byte)
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go func() {
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defer close(resultCh)
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defer close(errCh)
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outBytes, err := io.ReadAll(limit)
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if err != nil {
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errCh <- fmt.Errorf("ReadAll failed: %v", err)
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return
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}
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resultCh <- outBytes
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}()
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// Send the data
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in.data <- expected
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in.Close()
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select {
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case err := <-errCh:
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if err != nil {
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t.Fatalf("ReadAll: %v", err)
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}
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case outBytes := <-resultCh:
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if !reflect.DeepEqual(outBytes, expected) {
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t.Fatalf("got:%s, expected,%s", string(outBytes), string(expected))
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}
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case <-time.After(1 * time.Second):
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t.Fatalf("did not exit by time limit")
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}
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}
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const (
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job1 = `job "job1" {
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type = "service"
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datacenters = ["dc1"]
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group "group1" {
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count = 1
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task "task1" {
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driver = "exec"
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resources {}
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}
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restart {
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attempts = 10
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mode = "delay"
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interval = "15s"
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render_templates = false
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}
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}
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}`
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)
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var (
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expectedApiJob = &api.Job{
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ID: pointer.Of("job1"),
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Name: pointer.Of("job1"),
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Type: pointer.Of("service"),
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Datacenters: []string{"dc1"},
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TaskGroups: []*api.TaskGroup{
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{
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Name: pointer.Of("group1"),
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Count: pointer.Of(1),
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RestartPolicy: &api.RestartPolicy{
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Attempts: pointer.Of(10),
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Interval: pointer.Of(15 * time.Second),
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Mode: pointer.Of("delay"),
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RenderTemplates: pointer.Of(false),
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},
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Tasks: []*api.Task{
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{
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Driver: "exec",
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Name: "task1",
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Resources: &api.Resources{},
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},
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},
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},
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},
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}
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)
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// Test APIJob with local jobfile
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func TestJobGetter_LocalFile(t *testing.T) {
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ci.Parallel(t)
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fh, err := os.CreateTemp("", "nomad")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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defer os.Remove(fh.Name())
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_, err = fh.WriteString(job1)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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j := &JobGetter{}
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_, aj, err := j.ApiJob(fh.Name())
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if !reflect.DeepEqual(expectedApiJob, aj) {
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eflat := flatmap.Flatten(expectedApiJob, nil, false)
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aflat := flatmap.Flatten(aj, nil, false)
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t.Fatalf("got:\n%v\nwant:\n%v", aflat, eflat)
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}
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}
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// TestJobGetter_LocalFile_InvalidHCL2 asserts that a custom message is emited
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// if the file is a valid HCL1 but not HCL2
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func TestJobGetter_LocalFile_InvalidHCL2(t *testing.T) {
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ci.Parallel(t)
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cases := []struct {
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name string
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hcl string
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expectHCL1Message bool
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}{
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{
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"invalid HCL",
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"nothing",
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false,
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},
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{
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"invalid HCL2",
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`job "example" {
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meta { "key.with.dot" = "b" }
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}`,
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true,
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},
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}
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for _, c := range cases {
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t.Run(c.name, func(t *testing.T) {
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fh, err := os.CreateTemp("", "nomad")
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require.NoError(t, err)
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defer os.Remove(fh.Name())
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defer fh.Close()
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_, err = fh.WriteString(c.hcl)
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require.NoError(t, err)
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j := &JobGetter{}
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_, _, err = j.ApiJob(fh.Name())
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require.Error(t, err)
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exptMessage := "Failed to parse using HCL 2. Use the HCL 1"
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if c.expectHCL1Message {
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require.Contains(t, err.Error(), exptMessage)
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} else {
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require.NotContains(t, err.Error(), exptMessage)
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}
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})
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}
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}
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// TestJobGetter_HCL2_Variables asserts variable arguments from CLI
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// and varfiles are both honored
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func TestJobGetter_HCL2_Variables(t *testing.T) {
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hcl := `
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variables {
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var1 = "default-val"
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var2 = "default-val"
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var3 = "default-val"
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var4 = "default-val"
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}
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job "example" {
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datacenters = ["${var.var1}", "${var.var2}", "${var.var3}", "${var.var4}"]
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}
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`
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t.Setenv("NOMAD_VAR_var4", "from-envvar")
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cliArgs := []string{`var2=from-cli`}
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fileVars := `var3 = "from-varfile"`
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expected := []string{"default-val", "from-cli", "from-varfile", "from-envvar"}
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hclf, err := os.CreateTemp("", "hcl")
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require.NoError(t, err)
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defer os.Remove(hclf.Name())
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defer hclf.Close()
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_, err = hclf.WriteString(hcl)
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require.NoError(t, err)
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vf, err := os.CreateTemp("", "var.hcl")
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require.NoError(t, err)
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defer os.Remove(vf.Name())
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defer vf.Close()
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_, err = vf.WriteString(fileVars + "\n")
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require.NoError(t, err)
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jg := &JobGetter{
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Vars: cliArgs,
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VarFiles: []string{vf.Name()},
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Strict: true,
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}
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_, j, err := jg.Get(hclf.Name())
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require.NoError(t, err)
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require.NotNil(t, j)
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require.Equal(t, expected, j.Datacenters)
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}
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func TestJobGetter_HCL2_Variables_StrictFalse(t *testing.T) {
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hcl := `
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variables {
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var1 = "default-val"
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var2 = "default-val"
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var3 = "default-val"
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var4 = "default-val"
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}
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job "example" {
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datacenters = ["${var.var1}", "${var.var2}", "${var.var3}", "${var.var4}"]
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}
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`
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t.Setenv("NOMAD_VAR_var4", "from-envvar")
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// Both the CLI and var file contain variables that are not used with the
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// template and therefore would error, if hcl2-strict was true.
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cliArgs := []string{`var2=from-cli`, `unsedVar1=from-cli`}
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fileVars := `
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var3 = "from-varfile"
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unsedVar2 = "from-varfile"
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`
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expected := []string{"default-val", "from-cli", "from-varfile", "from-envvar"}
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hclf, err := os.CreateTemp("", "hcl")
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require.NoError(t, err)
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defer os.Remove(hclf.Name())
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defer hclf.Close()
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_, err = hclf.WriteString(hcl)
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require.NoError(t, err)
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vf, err := os.CreateTemp("", "var.hcl")
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require.NoError(t, err)
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defer os.Remove(vf.Name())
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defer vf.Close()
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_, err = vf.WriteString(fileVars + "\n")
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require.NoError(t, err)
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jg := &JobGetter{
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Vars: cliArgs,
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VarFiles: []string{vf.Name()},
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Strict: false,
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}
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_, j, err := jg.Get(hclf.Name())
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require.NoError(t, err)
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require.NotNil(t, j)
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require.Equal(t, expected, j.Datacenters)
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}
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// Test StructJob with jobfile from HTTP Server
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func TestJobGetter_HTTPServer(t *testing.T) {
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ci.Parallel(t)
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintf(w, job1)
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})
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go http.ListenAndServe("127.0.0.1:12345", nil)
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// Wait until HTTP Server starts certainly
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time.Sleep(100 * time.Millisecond)
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j := &JobGetter{}
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_, aj, err := j.ApiJob("http://127.0.0.1:12345/")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if !reflect.DeepEqual(expectedApiJob, aj) {
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for _, d := range pretty.Diff(expectedApiJob, aj) {
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t.Logf(d)
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}
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t.Fatalf("Unexpected file")
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}
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}
|
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|
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func TestJobGetter_Validate(t *testing.T) {
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cases := []struct {
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name string
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jg JobGetter
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errContains string
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}{
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{
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"StrictAndHCL1",
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JobGetter{
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HCL1: true,
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Strict: true,
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},
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"HCLv1 and HCLv2 strict",
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},
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{
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"JSONandHCL1",
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JobGetter{
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HCL1: true,
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JSON: true,
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},
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"HCL and JSON",
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},
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{
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"VarsAndHCL1",
|
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JobGetter{
|
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HCL1: true,
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Vars: []string{"foo"},
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},
|
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"variables with HCLv1",
|
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},
|
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{
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"VarFilesAndHCL1",
|
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JobGetter{
|
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HCL1: true,
|
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VarFiles: []string{"foo.var"},
|
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},
|
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"variables with HCLv1",
|
|
},
|
|
{
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|
"VarsAndJSON",
|
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JobGetter{
|
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JSON: true,
|
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Vars: []string{"foo"},
|
|
},
|
|
"variables with JSON",
|
|
},
|
|
{
|
|
"VarFilesAndJSON",
|
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JobGetter{
|
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JSON: true,
|
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VarFiles: []string{"foo.var"},
|
|
},
|
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"variables with JSON files",
|
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},
|
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{
|
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"JSON_OK",
|
|
JobGetter{
|
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JSON: true,
|
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},
|
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"",
|
|
},
|
|
}
|
|
|
|
for _, tc := range cases {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
err := tc.jg.Validate()
|
|
|
|
switch tc.errContains {
|
|
case "":
|
|
require.NoError(t, err)
|
|
default:
|
|
require.ErrorContains(t, err, tc.errContains)
|
|
}
|
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|
|
})
|
|
}
|
|
}
|
|
|
|
func TestPrettyTimeDiff(t *testing.T) {
|
|
// Grab the time and truncate to the nearest second. This allows our tests
|
|
// to be deterministic since we don't have to worry about rounding.
|
|
now := time.Now().Truncate(time.Second)
|
|
|
|
test_cases := []struct {
|
|
t1 time.Time
|
|
t2 time.Time
|
|
exp string
|
|
}{
|
|
{now, time.Unix(0, 0), ""}, // This is the upgrade path case
|
|
{now, now.Add(-10 * time.Millisecond), "0s ago"},
|
|
{now, now.Add(-740 * time.Second), "12m20s ago"},
|
|
{now, now.Add(-12 * time.Minute), "12m ago"},
|
|
{now, now.Add(-60 * time.Minute), "1h ago"},
|
|
{now, now.Add(-80 * time.Minute), "1h20m ago"},
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{now, now.Add(-6 * time.Hour), "6h ago"},
|
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{now.Add(-6 * time.Hour), now, "6h from now"},
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{now, now.Add(-22165 * time.Second), "6h9m ago"},
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{now, now.Add(-100 * time.Hour), "4d4h ago"},
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{now, now.Add(-438000 * time.Minute), "10mo4d ago"},
|
|
{now, now.Add(-20460 * time.Hour), "2y4mo ago"},
|
|
}
|
|
for _, tc := range test_cases {
|
|
t.Run(tc.exp, func(t *testing.T) {
|
|
out := prettyTimeDiff(tc.t2, tc.t1)
|
|
if out != tc.exp {
|
|
t.Fatalf("expected :%v but got :%v", tc.exp, out)
|
|
}
|
|
})
|
|
}
|
|
|
|
var t1 time.Time
|
|
out := prettyTimeDiff(t1, time.Now())
|
|
|
|
if out != "" {
|
|
t.Fatalf("Expected empty output but got:%v", out)
|
|
}
|
|
|
|
}
|
|
|
|
// TestUiErrorWriter asserts that writer buffers and
|
|
func TestUiErrorWriter(t *testing.T) {
|
|
ci.Parallel(t)
|
|
|
|
var outBuf, errBuf bytes.Buffer
|
|
ui := &cli.BasicUi{
|
|
Writer: &outBuf,
|
|
ErrorWriter: &errBuf,
|
|
}
|
|
|
|
w := &uiErrorWriter{ui: ui}
|
|
|
|
inputs := []string{
|
|
"some line\n",
|
|
"multiple\nlines\r\nhere",
|
|
" with followup\nand",
|
|
" more lines ",
|
|
" without new line ",
|
|
"until here\nand then",
|
|
"some more",
|
|
}
|
|
|
|
partialAcc := ""
|
|
for _, in := range inputs {
|
|
n, err := w.Write([]byte(in))
|
|
require.NoError(t, err)
|
|
require.Equal(t, len(in), n)
|
|
|
|
// assert that writer emits partial result until last new line
|
|
partialAcc += strings.ReplaceAll(in, "\r\n", "\n")
|
|
lastNL := strings.LastIndex(partialAcc, "\n")
|
|
require.Equal(t, partialAcc[:lastNL+1], errBuf.String())
|
|
}
|
|
|
|
require.Empty(t, outBuf.String())
|
|
|
|
// note that the \r\n got replaced by \n
|
|
expectedErr := "some line\nmultiple\nlines\nhere with followup\nand more lines without new line until here\n"
|
|
require.Equal(t, expectedErr, errBuf.String())
|
|
|
|
// close emits the final line
|
|
err := w.Close()
|
|
require.NoError(t, err)
|
|
|
|
expectedErr += "and thensome more\n"
|
|
require.Equal(t, expectedErr, errBuf.String())
|
|
}
|
|
|
|
func Test_extractVarFiles(t *testing.T) {
|
|
ci.Parallel(t)
|
|
|
|
t.Run("none", func(t *testing.T) {
|
|
result, err := extractVarFiles(nil)
|
|
must.NoError(t, err)
|
|
must.Eq(t, "", result)
|
|
})
|
|
|
|
t.Run("files", func(t *testing.T) {
|
|
d := t.TempDir()
|
|
fileOne := filepath.Join(d, "one.hcl")
|
|
fileTwo := filepath.Join(d, "two.hcl")
|
|
|
|
must.NoError(t, os.WriteFile(fileOne, []byte(`foo = "bar"`), 0o644))
|
|
must.NoError(t, os.WriteFile(fileTwo, []byte(`baz = 42`), 0o644))
|
|
|
|
result, err := extractVarFiles([]string{fileOne, fileTwo})
|
|
must.NoError(t, err)
|
|
must.Eq(t, "foo = \"bar\"\nbaz = 42\n", result)
|
|
})
|
|
|
|
t.Run("unreadble", func(t *testing.T) {
|
|
testutil.RequireNonRoot(t)
|
|
|
|
d := t.TempDir()
|
|
fileOne := filepath.Join(d, "one.hcl")
|
|
|
|
must.NoError(t, os.WriteFile(fileOne, []byte(`foo = "bar"`), 0o200))
|
|
|
|
_, err := extractVarFiles([]string{fileOne})
|
|
must.ErrorContains(t, err, "permission denied")
|
|
})
|
|
}
|
|
|
|
func Test_extractVarFlags(t *testing.T) {
|
|
ci.Parallel(t)
|
|
|
|
t.Run("nil", func(t *testing.T) {
|
|
result := extractVarFlags(nil)
|
|
must.MapEmpty(t, result)
|
|
})
|
|
|
|
t.Run("complete", func(t *testing.T) {
|
|
result := extractVarFlags([]string{"one=1", "two=2", "three"})
|
|
must.Eq(t, map[string]string{
|
|
"one": "1",
|
|
"two": "2",
|
|
"three": "",
|
|
}, result)
|
|
})
|
|
}
|
|
|
|
func Test_extractJobSpecEnvVars(t *testing.T) {
|
|
ci.Parallel(t)
|
|
|
|
t.Run("nil", func(t *testing.T) {
|
|
must.MapEmpty(t, extractJobSpecEnvVars(nil))
|
|
})
|
|
|
|
t.Run("complete", func(t *testing.T) {
|
|
result := extractJobSpecEnvVars([]string{
|
|
"NOMAD_VAR_count=13",
|
|
"GOPATH=/Users/jrasell/go",
|
|
"NOMAD_VAR_image=redis:7",
|
|
})
|
|
must.Eq(t, map[string]string{
|
|
"count": "13",
|
|
"image": "redis:7",
|
|
}, result)
|
|
})
|
|
|
|
t.Run("whitespace", func(t *testing.T) {
|
|
result := extractJobSpecEnvVars([]string{
|
|
"NOMAD_VAR_count = 13",
|
|
"GOPATH = /Users/jrasell/go",
|
|
})
|
|
must.Eq(t, map[string]string{
|
|
"count ": " 13",
|
|
}, result)
|
|
})
|
|
|
|
t.Run("empty key", func(t *testing.T) {
|
|
result := extractJobSpecEnvVars([]string{
|
|
"NOMAD_VAR_=13",
|
|
"=/Users/jrasell/go",
|
|
})
|
|
must.Eq(t, map[string]string{}, result)
|
|
})
|
|
|
|
t.Run("empty value", func(t *testing.T) {
|
|
result := extractJobSpecEnvVars([]string{
|
|
"NOMAD_VAR_count=",
|
|
"GOPATH=",
|
|
})
|
|
must.Eq(t, map[string]string{
|
|
"count": "",
|
|
}, result)
|
|
})
|
|
}
|