cmd/safcm/sync_sync_test.go

   1 // Copyright (C) 2021  Simon Ruderich
   2 //
   3 // This program is free software: you can redistribute it and/or modify
   4 // it under the terms of the GNU General Public License as published by
   5 // the Free Software Foundation, either version 3 of the License, or
   6 // (at your option) any later version.
   7 //
   8 // This program is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 // GNU General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU General Public License
  14 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 package main
  17
  18 import (
  19         "fmt"
  20         "io"
  21         "io/fs"
  22         "log"
  23         "os"
  24         "path/filepath"
  25         "testing"
  26
  27         "ruderich.org/simon/safcm"
  28         "ruderich.org/simon/safcm/testutil"
  29 )
  30
  31 func TestHostSyncReq(t *testing.T) {
  32         cwd, err := os.Getwd()
  33         if err != nil {
  34                 t.Fatal(err)
  35         }
  36         defer os.Chdir(cwd)
  37
  38         tests := []struct {
  39                 name      string
  40                 project   string
  41                 host      string
  42                 detected  []string
  43                 level     safcm.LogLevel
  44                 exp       safcm.MsgSyncReq
  45                 expEvents []string
  46                 expErr    error
  47         }{
  48
  49                 // NOTE: Also update MsgSyncReq in safcm-remote test cases
  50                 // when changing anything here!
  51
  52                 {
  53                         "project: host1",
  54                         "project",
  55                         "host1.example.org",
  56                         nil,
  57                         safcm.LogDebug3,
  58                         safcm.MsgSyncReq{
  59                                 Groups: []string{
  60                                         "all",
  61                                         "group",
  62                                         "remove",
  63                                         "host1.example.org",
  64                                 },
  65                                 Files: map[string]*safcm.File{
  66                                         "/": &safcm.File{Path: "/",
  67                                                 OrigGroup: "group",
  68                                                 Mode:      fs.ModeDir | 0755 | fs.ModeSetgid,
  69                                                 Uid:       -1,
  70                                                 Gid:       -1,
  71                                                 TriggerCommands: []string{
  72                                                         "touch /.update",
  73                                                 },
  74                                         },
  75                                         "/etc": &safcm.File{
  76                                                 OrigGroup: "group",
  77                                                 Path:      "/etc",
  78                                                 Mode:      fs.ModeDir | 0755,
  79                                                 Uid:       -1,
  80                                                 Gid:       -1,
  81                                         },
  82                                         "/etc/.hidden": &safcm.File{
  83                                                 OrigGroup: "group",
  84                                                 Path:      "/etc/.hidden",
  85                                                 Mode:      0100 | fs.ModeSetuid | fs.ModeSetgid | fs.ModeSticky,
  86                                                 Uid:       -1,
  87                                                 Gid:       -1,
  88                                                 Data:      []byte("..."),
  89                                         },
  90                                         "/etc/motd": &safcm.File{
  91                                                 OrigGroup: "group",
  92                                                 Path:      "/etc/motd",
  93                                                 Mode:      0644,
  94                                                 Uid:       -1,
  95                                                 Gid:       -1,
  96                                                 Data:      []byte("Welcome to Host ONE\n\n\n\n\n\nall\n\n\nhost1.example.org\n\n\n\n"),
  97                                         },
  98                                         "/etc/rc.local": &safcm.File{
  99                                                 OrigGroup: "group",
 100                                                 Path:      "/etc/rc.local",
 101                                                 Mode:      0700,
 102                                                 Uid:       -1,
 103                                                 Gid:       -1,
 104                                                 Data:      []byte("#!/bin/sh\n"),
 105                                                 TriggerCommands: []string{
 106                                                         "/etc/rc.local",
 107                                                 },
 108                                         },
 109                                         "/etc/resolv.conf": &safcm.File{
 110                                                 OrigGroup: "group",
 111                                                 Path:      "/etc/resolv.conf",
 112                                                 Mode:      0641,
 113                                                 User:      "user",
 114                                                 Uid:       -1,
 115                                                 Group:     "group",
 116                                                 Gid:       -1,
 117                                                 Data:      []byte("nameserver ::1\n"),
 118                                                 TriggerCommands: []string{
 119                                                         "echo resolv.conf updated",
 120                                                 },
 121                                         },
 122                                         "/etc/test": &safcm.File{
 123                                                 OrigGroup: "group",
 124                                                 Path:      "/etc/test",
 125                                                 Mode:      os.ModeSymlink | 0777,
 126                                                 Uid:       -1,
 127                                                 Gid:       -1,
 128                                                 Data:      []byte("doesnt-exist"),
 129                                         },
 130                                 },
 131                                 Packages: []string{
 132                                         "unbound",
 133                                         "unbound-anchor",
 134                                 },
 135                                 Services: []string{
 136                                         "unbound",
 137                                 },
 138                                 Commands: []string{
 139                                         "echo command one",
 140                                         "echo -n command two",
 141                                 },
 142                         },
 143                         []string{
 144                                 "host1.example.org: <nil> 3 host groups: all group host1.example.org remove",
 145                                 "host1.example.org: <nil> 3 host group priorities (desc. order): host1.example.org",
 146                         },
 147                         nil,
 148                 },
 149
 150                 {
 151                         "project: host1 (log level info)",
 152                         "project",
 153                         "host1.example.org",
 154                         nil,
 155                         safcm.LogInfo,
 156                         safcm.MsgSyncReq{
 157                                 Groups: []string{
 158                                         "all",
 159                                         "group",
 160                                         "remove",
 161                                         "host1.example.org",
 162                                 },
 163                                 Files: map[string]*safcm.File{
 164                                         "/": &safcm.File{Path: "/",
 165                                                 OrigGroup: "group",
 166                                                 Mode:      fs.ModeDir | 0755 | fs.ModeSetgid,
 167                                                 Uid:       -1,
 168                                                 Gid:       -1,
 169                                                 TriggerCommands: []string{
 170                                                         "touch /.update",
 171                                                 },
 172                                         },
 173                                         "/etc": &safcm.File{
 174                                                 OrigGroup: "group",
 175                                                 Path:      "/etc",
 176                                                 Mode:      fs.ModeDir | 0755,
 177                                                 Uid:       -1,
 178                                                 Gid:       -1,
 179                                         },
 180                                         "/etc/.hidden": &safcm.File{
 181                                                 OrigGroup: "group",
 182                                                 Path:      "/etc/.hidden",
 183                                                 Mode:      0100 | fs.ModeSetuid | fs.ModeSetgid | fs.ModeSticky,
 184                                                 Uid:       -1,
 185                                                 Gid:       -1,
 186                                                 Data:      []byte("..."),
 187                                         },
 188                                         "/etc/motd": &safcm.File{
 189                                                 OrigGroup: "group",
 190                                                 Path:      "/etc/motd",
 191                                                 Mode:      0644,
 192                                                 Uid:       -1,
 193                                                 Gid:       -1,
 194                                                 Data:      []byte("Welcome to Host ONE\n\n\n\n\n\nall\n\n\nhost1.example.org\n\n\n\n"),
 195                                         },
 196                                         "/etc/rc.local": &safcm.File{
 197                                                 OrigGroup: "group",
 198                                                 Path:      "/etc/rc.local",
 199                                                 Mode:      0700,
 200                                                 Uid:       -1,
 201                                                 Gid:       -1,
 202                                                 Data:      []byte("#!/bin/sh\n"),
 203                                                 TriggerCommands: []string{
 204                                                         "/etc/rc.local",
 205                                                 },
 206                                         },
 207                                         "/etc/resolv.conf": &safcm.File{
 208                                                 OrigGroup: "group",
 209                                                 Path:      "/etc/resolv.conf",
 210                                                 Mode:      0641,
 211                                                 User:      "user",
 212                                                 Uid:       -1,
 213                                                 Group:     "group",
 214                                                 Gid:       -1,
 215                                                 Data:      []byte("nameserver ::1\n"),
 216                                                 TriggerCommands: []string{
 217                                                         "echo resolv.conf updated",
 218                                                 },
 219                                         },
 220                                         "/etc/test": &safcm.File{
 221                                                 OrigGroup: "group",
 222                                                 Path:      "/etc/test",
 223                                                 Mode:      os.ModeSymlink | 0777,
 224                                                 Uid:       -1,
 225                                                 Gid:       -1,
 226                                                 Data:      []byte("doesnt-exist"),
 227                                         },
 228                                 },
 229                                 Packages: []string{
 230                                         "unbound",
 231                                         "unbound-anchor",
 232                                 },
 233                                 Services: []string{
 234                                         "unbound",
 235                                 },
 236                                 Commands: []string{
 237                                         "echo command one",
 238                                         "echo -n command two",
 239                                 },
 240                         },
 241                         nil,
 242                         nil,
 243                 },
 244
 245                 {
 246                         "conflict: file",
 247                         "project-conflict-file",
 248                         "host1.example.org",
 249                         nil,
 250                         safcm.LogDebug3,
 251                         safcm.MsgSyncReq{},
 252                         []string{
 253                                 "host1.example.org: <nil> 3 host groups: all dns host1.example.org",
 254                                 "host1.example.org: <nil> 3 host group priorities (desc. order): host1.example.org",
 255                         },
 256                         fmt.Errorf("groups dns and all both provide file \"/etc/resolv.conf\"\nUse 'group_order' in config.yaml to declare preference"),
 257                 },
 258                 {
 259                         "conflict: file from detected group",
 260                         "project-conflict-file",
 261                         "host2.example.org",
 262                         []string{
 263                                 "detected_other",
 264                         },
 265                         safcm.LogDebug3,
 266                         safcm.MsgSyncReq{},
 267                         []string{
 268                                 "host2.example.org: <nil> 3 host groups: all detected_other host2.example.org other",
 269                                 "host2.example.org: <nil> 3 host group priorities (desc. order): host2.example.org",
 270                         },
 271                         fmt.Errorf("groups other and all both provide file \"/etc/resolv.conf\"\nUse 'group_order' in config.yaml to declare preference"),
 272                 },
 273
 274                 {
 275                         "conflict: dir",
 276                         "project-conflict-dir",
 277                         "host1.example.org",
 278                         nil,
 279                         safcm.LogDebug3,
 280                         safcm.MsgSyncReq{},
 281                         []string{
 282                                 "host1.example.org: <nil> 3 host groups: all dns host1.example.org",
 283                                 "host1.example.org: <nil> 3 host group priorities (desc. order): host1.example.org",
 284                         },
 285                         fmt.Errorf("groups dns and all both provide file \"/etc\"\nUse 'group_order' in config.yaml to declare preference"),
 286                 },
 287                 {
 288                         "conflict: dir from detected group",
 289                         "project-conflict-dir",
 290                         "host2.example.org",
 291                         []string{
 292                                 "detected_other",
 293                         },
 294                         safcm.LogDebug3,
 295                         safcm.MsgSyncReq{},
 296                         []string{
 297                                 "host2.example.org: <nil> 3 host groups: all detected_other host2.example.org other",
 298                                 "host2.example.org: <nil> 3 host group priorities (desc. order): host2.example.org",
 299                         },
 300                         fmt.Errorf("groups other and all both provide file \"/etc\"\nUse 'group_order' in config.yaml to declare preference"),
 301                 },
 302
 303                 {
 304                         "group: cycle",
 305                         "project-group-cycle",
 306                         "host1.example.org",
 307                         nil,
 308                         safcm.LogDebug3,
 309                         safcm.MsgSyncReq{},
 310                         nil,
 311                         fmt.Errorf("groups.yaml: cycle while expanding group \"group-b\""),
 312                 },
 313
 314                 {
 315                         "group_order",
 316                         "project-group_order",
 317                         "host1.example.org",
 318                         nil,
 319                         safcm.LogDebug3,
 320                         safcm.MsgSyncReq{
 321                                 Groups: []string{"all", "group-b", "group-a", "host1.example.org"},
 322                                 Files: map[string]*safcm.File{
 323                                         "/": {
 324                                                 Path:      "/",
 325                                                 Mode:      fs.ModeDir | 0755,
 326                                                 Uid:       -1,
 327                                                 Gid:       -1,
 328                                                 OrigGroup: "host1.example.org",
 329                                         },
 330                                         "/etc": {
 331                                                 Path:      "/etc",
 332                                                 Mode:      fs.ModeDir | 0755,
 333                                                 Uid:       -1,
 334                                                 Gid:       -1,
 335                                                 OrigGroup: "host1.example.org",
 336                                         },
 337                                         "/etc/dir-to-file": {
 338                                                 Path:      "/etc/dir-to-file",
 339                                                 Mode:      0644,
 340                                                 Uid:       -1,
 341                                                 Gid:       -1,
 342                                                 Data:      []byte("dir-to-file: from group-a\n"),
 343                                                 OrigGroup: "group-a",
 344                                         },
 345                                         "/etc/dir-to-filex": {
 346                                                 OrigGroup: "group-b",
 347                                                 Path:      "/etc/dir-to-filex",
 348                                                 Mode:      0644,
 349                                                 Uid:       -1,
 350                                                 Gid:       -1,
 351                                                 Data:      []byte("dir-to-filex\n"),
 352                                         },
 353                                         "/etc/dir-to-link": {
 354                                                 Path:      "/etc/dir-to-link",
 355                                                 Mode:      fs.ModeSymlink | 0777,
 356                                                 Uid:       -1,
 357                                                 Gid:       -1,
 358                                                 Data:      []byte("target"),
 359                                                 OrigGroup: "group-a",
 360                                         },
 361                                         "/etc/dir-to-linkx": {
 362                                                 OrigGroup: "group-b",
 363                                                 Path:      "/etc/dir-to-linkx",
 364                                                 Mode:      0644,
 365                                                 Uid:       -1,
 366                                                 Gid:       -1,
 367                                                 Data:      []byte("dir-to-linkx\n"),
 368                                         },
 369                                         "/etc/file-to-dir": {
 370                                                 Path:      "/etc/file-to-dir",
 371                                                 Mode:      fs.ModeDir | 0755,
 372                                                 Uid:       -1,
 373                                                 Gid:       -1,
 374                                                 OrigGroup: "group-a",
 375                                         },
 376                                         "/etc/file-to-dir/file": {
 377                                                 Path:      "/etc/file-to-dir/file",
 378                                                 Mode:      0644,
 379                                                 Uid:       -1,
 380                                                 Gid:       -1,
 381                                                 Data:      []byte("file: from group-a\n"),
 382                                                 OrigGroup: "group-a",
 383                                         },
 384                                         "/etc/file-to-dir/dir": {
 385                                                 Path:      "/etc/file-to-dir/dir",
 386                                                 Mode:      fs.ModeDir | 0755,
 387                                                 Uid:       -1,
 388                                                 Gid:       -1,
 389                                                 OrigGroup: "group-a",
 390                                         },
 391                                         "/etc/file-to-dir/dir/file2": {
 392                                                 Path:      "/etc/file-to-dir/dir/file2",
 393                                                 Mode:      0644,
 394                                                 Uid:       -1,
 395                                                 Gid:       -1,
 396                                                 Data:      []byte("file2: from group-a\n"),
 397                                                 OrigGroup: "group-a",
 398                                         },
 399                                         "/etc/motd": {
 400                                                 Path:      "/etc/motd",
 401                                                 Mode:      0644,
 402                                                 Uid:       -1,
 403                                                 Gid:       -1,
 404                                                 Data:      []byte("motd: from host1\n"),
 405                                                 OrigGroup: "host1.example.org",
 406                                         },
 407                                 },
 408                         },
 409                         []string{
 410                                 "host1.example.org: <nil> 3 host groups: all group-a group-b host1.example.org",
 411                                 "host1.example.org: <nil> 3 host group priorities (desc. order): host1.example.org group-a group-b all",
 412                                 `host1.example.org: <nil> 4 files: "/etc": group group-a overwrites triggers from group group-b`,
 413                                 `host1.example.org: <nil> 4 files: "/etc": group host1.example.org overwrites triggers from group group-a`,
 414                         },
 415                         nil,
 416                 },
 417         }
 418
 419         for _, tc := range tests {
 420                 t.Run(tc.name, func(t *testing.T) {
 421                         err = os.Chdir(filepath.Join(cwd,
 422                                 "testdata", tc.project))
 423                         if err != nil {
 424                                 t.Fatal(err)
 425                         }
 426
 427                         // `safcm fixperms` in case user has strict umask
 428                         log.SetOutput(io.Discard)
 429                         err := MainFixperms()
 430                         if err != nil {
 431                                 t.Fatal(err)
 432                         }
 433                         log.SetOutput(os.Stderr)
 434
 435                         cfg, allHosts, allGroups, err := LoadBaseFiles()
 436                         if err != nil {
 437                                 t.Fatal(err)
 438                         }
 439                         cfg.LogLevel = tc.level
 440
 441                         var events []string
 442                         ch := make(chan Event)
 443                         done := make(chan struct{})
 444                         go func() {
 445                                 for {
 446                                         x, ok := <-ch
 447                                         if !ok {
 448                                                 break
 449                                         }
 450                                         if x.ConnEvent.Type != 0 {
 451                                                 panic("unexpected ConnEvent")
 452                                         }
 453                                         events = append(events,
 454                                                 fmt.Sprintf("%s: %v %d %s",
 455                                                         x.Host.Name,
 456                                                         x.Error, x.Log.Level,
 457                                                         x.Log.Text))
 458                                 }
 459                                 done <- struct{}{}
 460                         }()
 461
 462                         s := &Sync{
 463                                 host:      allHosts.Map[tc.host],
 464                                 config:    cfg,
 465                                 allHosts:  allHosts,
 466                                 allGroups: allGroups,
 467                                 events:    ch,
 468                         }
 469
 470                         res, err := s.hostSyncReq(tc.detected)
 471
 472                         testutil.AssertEqual(t, "res", res, tc.exp)
 473                         testutil.AssertErrorEqual(t, "err", err, tc.expErr)
 474
 475                         close(ch)
 476                         <-done
 477                         testutil.AssertEqual(t, "events",
 478                                 events, tc.expEvents)
 479                 })
 480         }
 481 }