services/crunch-run/git_mount_test.go

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: AGPL-3.0
   4
   5 package main
   6
   7 import (
   8         "io/ioutil"
   9         "os"
  10         "path/filepath"
  11
  12         "git.curoverse.com/arvados.git/sdk/go/arvados"
  13         "git.curoverse.com/arvados.git/sdk/go/arvadostest"
  14         check "gopkg.in/check.v1"
  15         git_client "gopkg.in/src-d/go-git.v4/plumbing/transport/client"
  16         git_http "gopkg.in/src-d/go-git.v4/plumbing/transport/http"
  17 )
  18
  19 type GitMountSuite struct {
  20         tmpdir string
  21 }
  22
  23 var _ = check.Suite(&GitMountSuite{})
  24
  25 func (s *GitMountSuite) SetUpTest(c *check.C) {
  26         s.useTestGitServer(c)
  27
  28         var err error
  29         s.tmpdir, err = ioutil.TempDir("", "")
  30         c.Assert(err, check.IsNil)
  31 }
  32
  33 func (s *GitMountSuite) TearDownTest(c *check.C) {
  34         err := os.RemoveAll(s.tmpdir)
  35         c.Check(err, check.IsNil)
  36 }
  37
  38 // Commit fd3531f is crunch-run-tree-test
  39 func (s *GitMountSuite) TestextractTree(c *check.C) {
  40         gm := gitMount{
  41                 Path:   "/",
  42                 UUID:   arvadostest.Repository2UUID,
  43                 Commit: "fd3531f42995344f36c30b79f55f27b502f3d344",
  44         }
  45         err := gm.extractTree(&ArvTestClient{}, s.tmpdir)
  46         c.Check(err, check.IsNil)
  47
  48         fnm := filepath.Join(s.tmpdir, "dir1/dir2/file with mode 0644")
  49         data, err := ioutil.ReadFile(fnm)
  50         c.Check(err, check.IsNil)
  51         c.Check(data, check.DeepEquals, []byte{0, 1, 2, 3})
  52         fi, err := os.Stat(fnm)
  53         c.Check(err, check.IsNil)
  54         if err == nil {
  55                 c.Check(fi.Mode(), check.Equals, os.FileMode(0644))
  56         }
  57
  58         fnm = filepath.Join(s.tmpdir, "dir1/dir2/file with mode 0755")
  59         data, err = ioutil.ReadFile(fnm)
  60         c.Check(err, check.IsNil)
  61         c.Check(string(data), check.DeepEquals, "#!/bin/sh\nexec echo OK\n")
  62         fi, err = os.Stat(fnm)
  63         c.Check(err, check.IsNil)
  64         if err == nil {
  65                 c.Check(fi.Mode(), check.Equals, os.FileMode(0755))
  66         }
  67
  68         // Ensure there's no extra stuff like a ".git" dir
  69         s.checkTmpdirContents(c, []string{"dir1"})
  70 }
  71
  72 // Commit 5ebfab0 is not the tip of any branch or tag, but is
  73 // reachable in branch "crunch-run-non-tip-test".
  74 func (s *GitMountSuite) TestExtractNonTipCommit(c *check.C) {
  75         gm := gitMount{
  76                 Path:   "/",
  77                 UUID:   arvadostest.Repository2UUID,
  78                 Commit: "5ebfab0522851df01fec11ec55a6d0f4877b542e",
  79         }
  80         err := gm.extractTree(&ArvTestClient{}, s.tmpdir)
  81         c.Check(err, check.IsNil)
  82
  83         fnm := filepath.Join(s.tmpdir, "file only on testbranch")
  84         data, err := ioutil.ReadFile(fnm)
  85         c.Check(err, check.IsNil)
  86         c.Check(string(data), check.DeepEquals, "testfile\n")
  87 }
  88
  89 func (s *GitMountSuite) TestNonexistentRepository(c *check.C) {
  90         gm := gitMount{
  91                 Path:   "/",
  92                 UUID:   "zzzzz-s0uqq-nonexistentrepo",
  93                 Commit: "5ebfab0522851df01fec11ec55a6d0f4877b542e",
  94         }
  95         err := gm.extractTree(&ArvTestClient{}, s.tmpdir)
  96         c.Check(err, check.NotNil)
  97         c.Check(err, check.ErrorMatches, ".*repository not found.*")
  98
  99         s.checkTmpdirContents(c, []string{})
 100 }
 101
 102 func (s *GitMountSuite) TestNonexistentCommit(c *check.C) {
 103         gm := gitMount{
 104                 Path:   "/",
 105                 UUID:   arvadostest.Repository2UUID,
 106                 Commit: "bb66b6bb6b6bbb6b6b6b66b6b6b6b6b6b6b6b66b",
 107         }
 108         err := gm.extractTree(&ArvTestClient{}, s.tmpdir)
 109         c.Check(err, check.NotNil)
 110         c.Check(err, check.ErrorMatches, ".*object not found.*")
 111
 112         s.checkTmpdirContents(c, []string{})
 113 }
 114
 115 func (s *GitMountSuite) TestGitUrlDiscoveryFails(c *check.C) {
 116         delete(discoveryMap, "gitUrl")
 117         gm := gitMount{
 118                 Path:   "/",
 119                 UUID:   arvadostest.Repository2UUID,
 120                 Commit: "5ebfab0522851df01fec11ec55a6d0f4877b542e",
 121         }
 122         err := gm.extractTree(&ArvTestClient{}, s.tmpdir)
 123         c.Check(err, check.ErrorMatches, ".*gitUrl.*")
 124 }
 125
 126 func (s *GitMountSuite) TestInvalid(c *check.C) {
 127         for _, trial := range []struct {
 128                 gm      gitMount
 129                 matcher string
 130         }{
 131                 {
 132                         gm: gitMount{
 133                                 Path:   "/",
 134                                 UUID:   arvadostest.Repository2UUID,
 135                                 Commit: "abc123",
 136                         },
 137                         matcher: ".*sha1.*",
 138                 },
 139                 {
 140                         gm: gitMount{
 141                                 Path:   "/dir1/",
 142                                 UUID:   arvadostest.Repository2UUID,
 143                                 Commit: "5ebfab0522851df01fec11ec55a6d0f4877b542e",
 144                         },
 145                         matcher: ".*path.*",
 146                 },
 147                 {
 148                         gm: gitMount{
 149                                 Path:   "/",
 150                                 Commit: "5ebfab0522851df01fec11ec55a6d0f4877b542e",
 151                         },
 152                         matcher: ".*UUID.*",
 153                 },
 154         } {
 155                 err := trial.gm.extractTree(&ArvTestClient{}, s.tmpdir)
 156                 c.Check(err, check.NotNil)
 157                 s.checkTmpdirContents(c, []string{})
 158
 159                 err = trial.gm.validate()
 160                 c.Check(err, check.ErrorMatches, trial.matcher)
 161         }
 162 }
 163
 164 func (s *GitMountSuite) checkTmpdirContents(c *check.C, expect []string) {
 165         f, err := os.Open(s.tmpdir)
 166         c.Check(err, check.IsNil)
 167         names, err := f.Readdirnames(-1)
 168         c.Check(err, check.IsNil)
 169         c.Check(names, check.DeepEquals, expect)
 170 }
 171
 172 func (*GitMountSuite) useTestGitServer(c *check.C) {
 173         git_client.InstallProtocol("https", git_http.NewClient(arvados.InsecureHTTPClient))
 174
 175         port, err := ioutil.ReadFile("../../tmp/arv-git-httpd-ssl.port")
 176         c.Assert(err, check.IsNil)
 177         discoveryMap["gitUrl"] = "https://localhost:" + string(port)
 178 }