summaryrefslogtreecommitdiffstats
path: root/packaging/installer/netdata-updater.sh
blob: 964710058205d3611027155ed4e5bea62704f482 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
#!/bin/sh

# Netdata updater utility
#
# Variables needed by script:
#  - PATH
#  - CFLAGS
#  - LDFLAGS
#  - MAKEOPTS
#  - IS_NETDATA_STATIC_BINARY
#  - NETDATA_CONFIGURE_OPTIONS
#  - REINSTALL_OPTIONS
#  - NETDATA_TARBALL_URL
#  - NETDATA_TARBALL_CHECKSUM_URL
#  - NETDATA_TARBALL_CHECKSUM
#  - NETDATA_PREFIX
#  - NETDATA_LIB_DIR
#
# Optional environment options:
#
#  - TMPDIR (set to a usable temporary directory)
#  - NETDATA_NIGHTLIES_BASEURL (set the base url for downloading the dist tarball)
#
# Copyright: 2018-2020 Netdata Inc.
# SPDX-License-Identifier: GPL-3.0-or-later
#
# Author: Paweł Krupa <paulfantom@gmail.com>
# Author: Pavlos Emm. Katsoulakis <paul@netdata.cloud>
# Author: Austin S. Hemmelgarn <austin@netdata.cloud>

set -e

script_dir="$(CDPATH='' cd -- "$(dirname -- "$0")" && pwd -P)"

if [ -x "${script_dir}/netdata-updater" ]; then
  script_source="${script_dir}/netdata-updater"
else
  script_source="${script_dir}/netdata-updater.sh"
fi

PATH="${PATH}:/usr/local/bin:/usr/local/sbin"

if [ ! -t 1 ]; then
  INTERACTIVE=0
else
  INTERACTIVE=1
fi

info() {
  echo >&3 "$(date) : INFO: " "${@}"
}

error() {
  echo >&3 "$(date) : ERROR: " "${@}"
}

: "${ENVIRONMENT_FILE:=THIS_SHOULD_BE_REPLACED_BY_INSTALLER_SCRIPT}"

if [ "${ENVIRONMENT_FILE}" = "THIS_SHOULD_BE_REPLACED_BY_INSTALLER_SCRIPT" ]; then
  if [ -r "${script_dir}/../../../etc/netdata/.environment" ]; then
    ENVIRONMENT_FILE="${script_dir}/../../../etc/netdata/.environment"
  elif [ -r "/etc/netdata/.environment" ]; then
    ENVIRONMENT_FILE="/etc/netdata/.environment"
  elif [ -r "/opt/netdata/etc/netdata/.environment" ]; then
    ENVIRONMENT_FILE="/opt/netdata/etc/netdata/.environment"
  else
    envpath="$(find / -type d \( -path /sys -o -path /proc -o -path /dev \) -prune -false -o -path '*netdata/.environment' -type f  2> /dev/null | head -n 1)"
    if [ -r "${envpath}" ]; then
      ENVIRONMENT_FILE="${envpath}"
    else
      fatal "Cannot find environment file, unable to update."
    fi
  fi
fi

str_in_list() {
  printf "%s\n" "${2}" | tr ' ' "\n" | grep -qE "^${1}\$"
  return $?
}

safe_sha256sum() {
  # Within the context of the installer, we only use -c option that is common between the two commands
  # We will have to reconsider if we start non-common options
  if command -v sha256sum > /dev/null 2>&1; then
    sha256sum "$@"
  elif command -v shasum > /dev/null 2>&1; then
    shasum -a 256 "$@"
  else
    fatal "I could not find a suitable checksum binary to use"
  fi
}

# this is what we will do if it fails (head-less only)
fatal() {
  error "FAILED TO UPDATE NETDATA : ${1}"
  exit 1
}

cleanup() {
  if [ -n "${logfile}" ]; then
    cat >&2 "${logfile}"
    rm "${logfile}"
  fi

  if [ -n "$ndtmpdir" ] && [ -d "$ndtmpdir" ]; then
    rm -rf "$ndtmpdir"
  fi
}

_cannot_use_tmpdir() {
  testfile="$(TMPDIR="${1}" mktemp -q -t netdata-test.XXXXXXXXXX)"
  ret=0

  if [ -z "${testfile}" ] ; then
    return "${ret}"
  fi

  if printf '#!/bin/sh\necho SUCCESS\n' > "${testfile}" ; then
    if chmod +x "${testfile}" ; then
      if [ "$("${testfile}")" = "SUCCESS" ] ; then
        ret=1
      fi
    fi
  fi

  rm -f "${testfile}"
  return "${ret}"
}

create_tmp_directory() {
  if [ -n "${NETDATA_TMPDIR_PATH}" ]; then
    echo "${NETDATA_TMPDIR_PATH}"
  else
    if [ -z "${NETDATA_TMPDIR}" ] || _cannot_use_tmpdir "${NETDATA_TMPDIR}" ; then
      if [ -z "${TMPDIR}" ] || _cannot_use_tmpdir "${TMPDIR}" ; then
        if _cannot_use_tmpdir /tmp ; then
          if _cannot_use_tmpdir "${PWD}" ; then
            fatal "Unable to find a usable temporary directory. Please set \$TMPDIR to a path that is both writable and allows execution of files and try again."
          else
            TMPDIR="${PWD}"
          fi
        else
          TMPDIR="/tmp"
        fi
      fi
    else
      TMPDIR="${NETDATA_TMPDIR}"
    fi

    mktemp -d -t netdata-updater-XXXXXXXXXX
  fi
}

_safe_download() {
  url="${1}"
  dest="${2}"
  if command -v curl > /dev/null 2>&1; then
    curl -sSL --connect-timeout 10 --retry 3 "${url}" > "${dest}"
    return $?
  elif command -v wget > /dev/null 2>&1; then
    wget -T 15 -O - "${url}" > "${dest}"
    return $?
  else
    return 255
  fi
}

download() {
  url="${1}"
  dest="${2}"

  _safe_download "${url}" "${dest}"
  ret=$?

  if [ ${ret} -eq 0 ]; then
    return 0
  elif [ ${ret} -eq 255 ]; then
    fatal "I need curl or wget to proceed, but neither is available on this system."
  else
    fatal "Cannot download ${url}"
  fi
}

get_netdata_latest_tag() {
  dest="${1}"
  url="https://github.com/netdata/netdata/releases/latest"

  if command -v curl >/dev/null 2>&1; then
    tag=$(curl "${url}" -s -L -I -o /dev/null -w '%{url_effective}' | grep -m 1 -o '[^/]*$')
  elif command -v wget >/dev/null 2>&1; then
    tag=$(wget --max-redirect=0 "${url}" 2>&1 | grep Location | cut -d ' ' -f2 | grep -m 1 -o '[^/]*$')
  else
    fatal "I need curl or wget to proceed, but neither of them are available on this system."
  fi

  echo "${tag}" >"${dest}"
}

newer_commit_date() {
  info "Checking if a newer version of the updater script is available."

  if command -v jq > /dev/null 2>&1; then
    commit_date="$(_safe_download "https://api.github.com/repos/netdata/netdata/commits?path=packaging%2Finstaller%2Fnetdata-updater.sh&page=1&per_page=1" /dev/stdout | jq '.[0].commit.committer.date' | tr -d '"')"
  elif command -v python > /dev/null 2>&1;then
    commit_date="$(_safe_download "https://api.github.com/repos/netdata/netdata/commits?path=packaging%2Finstaller%2Fnetdata-updater.sh&page=1&per_page=1" /dev/stdout | python -c 'from __future__ import print_function;import sys,json;print(json.load(sys.stdin)[0]["commit"]["committer"]["date"])')"
  elif command -v python3 > /dev/null 2>&1;then
    commit_date="$(_safe_download "https://api.github.com/repos/netdata/netdata/commits?path=packaging%2Finstaller%2Fnetdata-updater.sh&page=1&per_page=1" /dev/stdout | python3 -c 'from __future__ import print_function;import sys,json;print(json.load(sys.stdin)[0]["commit"]["committer"]["date"])')"
  fi

  if [ -z "${commit_date}" ] ; then
    commit_date="9999-12-31T23:59:59Z"
  fi

  if [ -e "${script_source}" ]; then
    script_date="$(date -r "${script_source}" +%s)"
  else
    script_date="$(date +%s)"
  fi

  [ "$(date -d "${commit_date}" +%s)" -ge "${script_date}" ]
}

self_update() {
  if [ -z "${NETDATA_NO_UPDATER_SELF_UPDATE}" ] && newer_commit_date; then
    info "Downloading newest version of updater script."

    ndtmpdir=$(create_tmp_directory)
    cd "$ndtmpdir" || exit 1

    if _safe_download "https://raw.githubusercontent.com/netdata/netdata/master/packaging/installer/netdata-updater.sh" ./netdata-updater.sh; then
      chmod +x ./netdata-updater.sh || exit 1
      export ENVIRONMENT_FILE="${ENVIRONMENT_FILE}"
      exec ./netdata-updater.sh --not-running-from-cron --no-updater-self-update --tmpdir-path "$(pwd)"
    else
      error "Failed to download newest version of updater script, continuing with current version."
    fi
  fi
}

parse_version() {
  r="${1}"
  if echo "${r}" | grep -q '^v.*'; then
    # shellcheck disable=SC2001
    # XXX: Need a regex group substitution here.
    r="$(echo "${r}" | sed -e 's/^v\(.*\)/\1/')"
  fi

  tmpfile="$(mktemp)"
  echo "${r}" | tr '-' ' ' > "${tmpfile}"
  read -r v b _ < "${tmpfile}"

  if echo "${b}" | grep -vEq "^[0-9]+$"; then
    b="0"
  fi

  echo "${v}" | tr '.' ' ' > "${tmpfile}"
  read -r maj min patch _ < "${tmpfile}"

  rm -f "${tmpfile}"

  printf "%03d%03d%03d%05d" "${maj}" "${min}" "${patch}" "${b}"
}

get_latest_version() {
  if [ "${RELEASE_CHANNEL}" = "stable" ]; then
    get_netdata_latest_tag /dev/stdout
  else
    download "$NETDATA_NIGHTLIES_BASEURL/latest-version.txt" /dev/stdout
  fi
}

update_available() {
  basepath="$(dirname "$(dirname "$(dirname "${NETDATA_LIB_DIR}")")")"
  searchpath="${basepath}/bin:${basepath}/sbin:${basepath}/usr/bin:${basepath}/usr/sbin:${PATH}"
  searchpath="${basepath}/netdata/bin:${basepath}/netdata/sbin:${basepath}/netdata/usr/bin:${basepath}/netdata/usr/sbin:${searchpath}"
  ndbinary="$(PATH="${searchpath}" command -v netdata 2>/dev/null)"

  if [ -z "${ndbinary}" ]; then
    current_version=0
  else
    current_version="$(parse_version "$(${ndbinary} -v | cut -f 2 -d ' ')")"
  fi

  latest_tag="$(get_latest_version)"
  latest_version="$(parse_version "${latest_tag}")"
  path_version="$(echo "${latest_tag}" | cut -f 1 -d "-")"

  # If we can't get the current version for some reason assume `0`
  current_version="${current_version:-0}"

  # If we can't get the latest version for some reason assume `0`
  latest_version="${latest_version:-0}"

  info "Current Version: ${current_version}"
  info "Latest Version: ${latest_version}"

  if [ "${latest_version}" -gt 0 ] && [ "${current_version}" -gt 0 ] && [ "${current_version}" -ge "${latest_version}" ]; then
    info "Newest version (current=${current_version} >= latest=${latest_version}) is already installed"
    return 1
  else
    info "Update available"
    return 0
  fi
}

set_tarball_urls() {
  extension="tar.gz"

  if [ "$2" = "yes" ]; then
    extension="gz.run"
  fi

  if [ "$1" = "stable" ]; then
    latest="$(get_netdata_latest_tag /dev/stdout)"
    export NETDATA_TARBALL_URL="https://github.com/netdata/netdata/releases/download/$latest/netdata-latest.${extension}"
    export NETDATA_TARBALL_CHECKSUM_URL="https://github.com/netdata/netdata/releases/download/$latest/sha256sums.txt"
  else
    export NETDATA_TARBALL_URL="$NETDATA_NIGHTLIES_BASEURL/netdata-latest.${extension}"
    export NETDATA_TARBALL_CHECKSUM_URL="$NETDATA_NIGHTLIES_BASEURL/sha256sums.txt"
  fi
}

update_build() {
  [ -z "${logfile}" ] && info "Running on a terminal - (this script also supports running headless from crontab)"

  RUN_INSTALLER=0
  ndtmpdir=$(create_tmp_directory)
  cd "$ndtmpdir" || exit 1

  if update_available; then
    download "${NETDATA_TARBALL_CHECKSUM_URL}" "${ndtmpdir}/sha256sum.txt" >&3 2>&3
    download "${NETDATA_TARBALL_URL}" "${ndtmpdir}/netdata-latest.tar.gz"
    if [ -n "${NETDATA_TARBALL_CHECKSUM}" ] && grep "${NETDATA_TARBALL_CHECKSUM}" sha256sum.txt >&3 2>&3; then
      info "Newest version is already installed"
    else
      if ! grep netdata-latest.tar.gz sha256sum.txt | safe_sha256sum -c - >&3 2>&3; then
        fatal "Tarball checksum validation failed. Stopping netdata upgrade and leaving tarball in ${ndtmpdir}\nUsually this is a result of an older copy of the tarball or checksum file being cached somewhere upstream and can be resolved by retrying in an hour."
      fi
      NEW_CHECKSUM="$(safe_sha256sum netdata-latest.tar.gz 2> /dev/null | cut -d' ' -f1)"
      tar -xf netdata-latest.tar.gz >&3 2>&3
      rm netdata-latest.tar.gz >&3 2>&3
      cd "$(find . -maxdepth 1 -name "netdata-${path_version}*" | head -n 1)" || exit 1
      RUN_INSTALLER=1
    fi
  fi

  # We got the sources, run the update now
  if [ ${RUN_INSTALLER} -eq 1 ]; then
    # signal netdata to start saving its database
    # this is handy if your database is big
    possible_pids=$(pidof netdata)
    do_not_start=
    if [ -n "${possible_pids}" ]; then
      # shellcheck disable=SC2086
      kill -USR1 ${possible_pids}
    else
      # netdata is currently not running, so do not start it after updating
      do_not_start="--dont-start-it"
    fi

    env="TMPDIR='${TMPDIR}'"

    if [ -n "${NETDATA_SELECTED_DASHBOARD}" ]; then
      env="${env} NETDATA_SELECTED_DASHBOARD=${NETDATA_SELECTED_DASHBOARD}"
    fi

    if [ ! -x ./netdata-installer.sh ]; then
      if [ "$(find . -mindepth 1 -maxdepth 1 -type d | wc -l)" -eq 1 ] && [ -x "$(find . -mindepth 1 -maxdepth 1 -type d)/netdata-installer.sh" ]; then
        cd "$(find . -mindepth 1 -maxdepth 1 -type d)" || exit 1
      fi
    fi

    if [ -e "${NETDATA_PREFIX}/etc/netdata/.install-type" ] ; then
      install_type="$(cat "${NETDATA_PREFIX}"/etc/netdata/.install-type)"
    else
      install_type="INSTALL_TYPE='legacy-build'"
    fi

    info "Re-installing netdata..."
    eval "${env} ./netdata-installer.sh ${REINSTALL_OPTIONS} --dont-wait ${do_not_start}" >&3 2>&3 || fatal "FAILED TO COMPILE/INSTALL NETDATA"

    # We no longer store checksum info here. but leave this so that we clean up all environment files upon next update.
    sed -i '/NETDATA_TARBALL/d' "${ENVIRONMENT_FILE}"

    info "Updating tarball checksum info"
    echo "${NEW_CHECKSUM}" > "${NETDATA_LIB_DIR}/netdata.tarball.checksum"

    echo "${install_type}" > "${NETDATA_PREFIX}/etc/netdata/.install-type"
  fi

  rm -rf "${ndtmpdir}" >&3 2>&3
  [ -n "${logfile}" ] && rm "${logfile}" && logfile=

  return 0
}

update_static() {
  ndtmpdir="$(create_tmp_directory)"
  PREVDIR="$(pwd)"

  info "Entering ${ndtmpdir}"
  cd "${ndtmpdir}" || exit 1

  if update_available; then
    sysarch="$(uname -m)"
    download "${NETDATA_TARBALL_CHECKSUM_URL}" "${ndtmpdir}/sha256sum.txt"
    download "${NETDATA_TARBALL_URL}" "${ndtmpdir}/netdata-${sysarch}-latest.gz.run"
    if ! grep "netdata-${sysarch}-latest.gz.run" "${ndtmpdir}/sha256sum.txt" | safe_sha256sum -c - > /dev/null 2>&1; then
      fatal "Static binary checksum validation failed. Stopping netdata installation and leaving binary in ${ndtmpdir}\nUsually this is a result of an older copy of the file being cached somewhere and can be resolved by simply retrying in an hour."
    fi

    if [ -e /opt/netdata/etc/netdata/.install-type ] ; then
      install_type="$(cat /opt/netdata/etc/netdata/.install-type)"
    else
      install_type="INSTALL_TYPE='legacy-static'"
    fi

    # Do not pass any options other than the accept, for now
    # shellcheck disable=SC2086
    if sh "${ndtmpdir}/netdata-${sysarch}-latest.gz.run" --accept -- ${REINSTALL_OPTIONS}; then
      rm -r "${ndtmpdir}"
    else
      info "NOTE: did not remove: ${ndtmpdir}"
    fi

    echo "${install_type}" > /opt/netdata/etc/netdata/.install-type
  fi

  if [ -e "${PREVDIR}" ]; then
    info "Switching back to ${PREVDIR}"
    cd "${PREVDIR}"
  fi
  [ -n "${logfile}" ] && rm "${logfile}" && logfile=
  exit 0
}

update_binpkg() {
  os_release_file=
  if [ -s "/etc/os-release" ] && [ -r "/etc/os-release" ]; then
    os_release_file="/etc/os-release"
  elif [ -s "/usr/lib/os-release" ] && [ -r "/usr/lib/os-release" ]; then
    os_release_file="/usr/lib/os-release"
  else
    fatal "Cannot find an os-release file ..." F0401
  fi

  # shellcheck disable=SC1090
  . "${os_release_file}"

  DISTRO="${ID}"

  supported_compat_names="debian ubuntu centos fedora opensuse"

  if str_in_list "${DISTRO}" "${supported_compat_names}"; then
    DISTRO_COMPAT_NAME="${DISTRO}"
  else
    case "${DISTRO}" in
      opensuse-leap)
        DISTRO_COMPAT_NAME="opensuse"
        ;;
      rhel)
        DISTRO_COMPAT_NAME="centos"
        ;;
      *)
        DISTRO_COMPAT_NAME="unknown"
        ;;
    esac
  fi

  if [ "${INTERACTIVE}" = "0" ]; then
    interactive_opts="-y"
    env="DEBIAN_FRONTEND=noninteractive"
  else
    interactive_opts=""
    env=""
  fi

  case "${DISTRO_COMPAT_NAME}" in
    debian)
      pm_cmd="apt-get"
      repo_subcmd="update"
      upgrade_cmd="upgrade"
      pkg_install_opts="${interactive_opts}"
      repo_update_opts="${interactive_opts}"
      pkg_installed_check="dpkg -l"
      INSTALL_TYPE="binpkg-deb"
      ;;
    ubuntu)
      pm_cmd="apt-get"
      repo_subcmd="update"
      upgrade_cmd="upgrade"
      pkg_install_opts="${interactive_opts}"
      repo_update_opts="${interactive_opts}"
      pkg_installed_check="dpkg -l"
      INSTALL_TYPE="binpkg-deb"
      ;;
    centos)
      if command -v dnf > /dev/null; then
        pm_cmd="dnf"
        repo_subcmd="makecache"
      else
        pm_cmd="yum"
      fi
      upgrade_cmd="upgrade"
      pkg_install_opts="${interactive_opts}"
      repo_update_opts="${interactive_opts}"
      pkg_installed_check="rpm -q"
      INSTALL_TYPE="binpkg-rpm"
      ;;
    fedora)
      if command -v dnf > /dev/null; then
        pm_cmd="dnf"
        repo_subcmd="makecache"
      else
        pm_cmd="yum"
      fi
      upgrade_cmd="upgrade"
      pkg_install_opts="${interactive_opts}"
      repo_update_opts="${interactive_opts}"
      pkg_installed_check="rpm -q"
      INSTALL_TYPE="binpkg-rpm"
      ;;
    opensuse)
      pm_cmd="zypper"
      repo_subcmd="--gpg-auto-import-keys refresh"
      upgrade_cmd="upgrade"
      pkg_install_opts="${interactive_opts} --allow-unsigned-rpm"
      repo_update_opts=""
      pkg_installed_check="rpm -q"
      INSTALL_TYPE="binpkg-rpm"
      ;;
    *)
      warning "We do not provide native packages for ${DISTRO}."
      return 2
      ;;
  esac

  if [ -n "${repo_subcmd}" ]; then
    # shellcheck disable=SC2086
    env ${env} ${pm_cmd} ${repo_subcmd} ${repo_update_opts} || fatal "Failed to update repository metadata."
  fi

  for repopkg in netdata-repo netdata-repo-edge; do
    if ${pkg_installed_check} ${repopkg} > /dev/null 2>&1; then
      # shellcheck disable=SC2086
      env ${env} ${pm_cmd} ${upgrade_cmd} ${pkg_install_opts} ${repopkg} || fatal "Failed to update Netdata repository config."
      # shellcheck disable=SC2086
      env ${env} ${pm_cmd} ${repo_subcmd} ${repo_update_opts} || fatal "Failed to update repository metadata."
    fi
  done

  # shellcheck disable=SC2086
  env ${env} ${pm_cmd} ${upgrade_cmd} ${pkg_install_opts} netdata || fatal "Failed to update Netdata package."
}

# Simple function to encapsulate original updater behavior.
update_legacy() {
  set_tarball_urls "${RELEASE_CHANNEL}" "${IS_NETDATA_STATIC_BINARY}"
  if [ "${IS_NETDATA_STATIC_BINARY}" = "yes" ]; then
    update_static && exit 0
  else
    update_build && exit 0
  fi
}

logfile=
ndtmpdir=

trap cleanup EXIT

while [ -n "${1}" ]; do
  if [ "${1}" = "--not-running-from-cron" ]; then
    NETDATA_NOT_RUNNING_FROM_CRON=1
    shift 1
  elif [ "${1}" = "--no-updater-self-update" ]; then
    NETDATA_NO_UPDATER_SELF_UPDATE=1
    shift 1
  elif [ "${1}" = "--tmpdir-path" ]; then
    NETDATA_TMPDIR_PATH="${2}"
    shift 2
  else
    break
  fi
done

# Random sleep to alleviate stampede effect of Agents upgrading
# and disconnecting/reconnecting at the same time (or near to).
# But only we're not a controlling terminal (tty)
# Randomly sleep between 1s and 60m
if [ ! -t 1 ] && [ -z "${NETDATA_NOT_RUNNING_FROM_CRON}" ]; then
    rnd="$(awk '
      BEGIN { srand()
              printf("%d\n", 3600 * rand())
      }')"
    sleep $(((rnd % 3600) + 1))
fi

# shellcheck source=/dev/null
. "${ENVIRONMENT_FILE}" || exit 1

if [ -f "$(dirname "${ENVIRONMENT_FILE}")/.install-type" ]; then
  # shellcheck source=/dev/null
  . "$(dirname "${ENVIRONMENT_FILE}")/.install-type" || exit 1
fi

# We dont expect to find lib dir variable on older installations, so load this path if none found
export NETDATA_LIB_DIR="${NETDATA_LIB_DIR:-${NETDATA_PREFIX}/var/lib/netdata}"

# Source the tarball checksum, if not already available from environment (for existing installations with the old logic)
[ -z "${NETDATA_TARBALL_CHECKSUM}" ] && [ -f "${NETDATA_LIB_DIR}/netdata.tarball.checksum" ] && NETDATA_TARBALL_CHECKSUM="$(cat "${NETDATA_LIB_DIR}/netdata.tarball.checksum")"

# Grab the nightlies baseurl (defaulting to our Google Storage bucket)
export NETDATA_NIGHTLIES_BASEURL="${NETDATA_NIGHTLIES_BASEURL:-https://storage.googleapis.com/netdata-nightlies}"

if [ "${INSTALL_UID}" != "$(id -u)" ]; then
  fatal "You are running this script as user with uid $(id -u). We recommend to run this script as root (user with uid 0)"
fi

if [ -t 2 ]; then
  # we are running on a terminal
  # open fd 3 and send it to stderr
  exec 3>&2
else
  # we are headless
  # create a temporary file for the log
  logfile="$(mktemp -t netdata-updater.log.XXXXXX)"
  # open fd 3 and send it to logfile
  exec 3> "${logfile}"
fi

self_update

# shellcheck disable=SC2153
case "${INSTALL_TYPE}" in
    *-build)
      set_tarball_urls "${RELEASE_CHANNEL}" "${IS_NETDATA_STATIC_BINARY}"
      update_build && exit 0
      ;;
    *-static*)
      set_tarball_urls "${RELEASE_CHANNEL}" "${IS_NETDATA_STATIC_BINARY}"
      update_static && exit 0
      ;;
    *binpkg*)
      update_binpkg && exit 0
      ;;
    "") # Fallback case for no `.install-type` file. This just works like the old install type detection.
      update_legacy
      ;;
    custom)
      # At this point, we _should_ have a valid `.environment` file, but it0s best to just check.
      # If we do, then behave like the legacy updater.
      if [ -n "${RELEASE_CHANNEL}" ] && [ -n "${NETDATA_PREFIX}" ] && [ -n "${REINSTALL_OPTIONS}" ]; then
        update_legacy
      else
        fatal "This script does not support updating custom installations."
      fi
      ;;
    oci)
      fatal "This script does not support updating Netdata inside our official Docker containers, please instead update the container itself."
      ;;
    *)
      fatal "Unrecognized installation type (${INSTALL_TYPE}), unable to update."
      ;;
esac