forked from cloudlinux/kuberdock-platform
/
deploy.sh
1372 lines (1156 loc) · 43.9 KB
/
deploy.sh
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
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#!/bin/bash
#
# KuberDock - is a platform that allows users to run applications using Docker
# container images and create SaaS / PaaS based on these applications.
# Copyright (C) 2017 Cloud Linux INC
#
# This file is part of KuberDock.
#
# KuberDock is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# KuberDock is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with KuberDock; if not, see <http://www.gnu.org/licenses/>.
#
KUBERDOCK_DIR=/var/opt/kuberdock
KUBERDOCK_LIB_DIR=/var/lib/kuberdock
KUBERNETES_CONF_DIR=/etc/kubernetes
KUBERDOCK_MAIN_CONFIG=/etc/sysconfig/kuberdock/kuberdock.conf
KNOWN_TOKENS_FILE="$KUBERNETES_CONF_DIR/known_tokens.csv"
WEBAPP_USER=nginx
DEPLOY_LOG_FILE=/var/log/kuberdock_master_deploy.log
EXIT_MESSAGE="Installation error. Install log saved to $DEPLOY_LOG_FILE"
NGINX_SHARED_ETCD="/etc/nginx/conf.d/shared-etcd.conf"
# Reset transient hostname (usually "short" hostname). Transient hostname have
# higher priority in some cases, but it can be wrong (e.g. on AWS before reboot)
# and it changed to "real" hostname after reboot causing an issue with Calico
hostnamectl --transient set-hostname ""
# Replace hostname environment variable in case if it was invalid
HOSTNAME=$(hostnamectl --static)
ELASTICSEARCH_PORT=9200
CADVISOR_PORT=4194
# Back up old logs
if [ -f $DEPLOY_LOG_FILE ]; then
TIMESTAMP=$(stat --format=%Y $DEPLOY_LOG_FILE)
DATE_TIME=$(date -d @$TIMESTAMP +'%Y%m%d%H%M%S')
DEPLOY_LOG_FILE_NAME=$(stat --format=%n $DEPLOY_LOG_FILE | cut -f1 -d'.')
DEPLOY_LOG_FILE_SUFFIX=$(stat --format=%n $DEPLOY_LOG_FILE | cut -f2 -d'.')
OLD_LOG=$DEPLOY_LOG_FILE_NAME$DATE_TIME.$DEPLOY_LOG_FILE_SUFFIX
mv $DEPLOY_LOG_FILE $OLD_LOG
fi
#####################
# Fail log delivery #
#####################
SENTRY_SETTINGS_URL="http://repo.cloudlinux.com/kuberdock/settings.json"
SENTRY_SETTINGS=$(curl -s $SENTRY_SETTINGS_URL)
SENTRY_DSN=$(echo $SENTRY_SETTINGS | sed -E 's/^.*"https:\/\/(.*):(.*)@(.*)\/(.*)".*/\1,\2,\3,\4/')
SENTRYVERSION=7
SENTRYKEY=$(echo $SENTRY_DSN | cut -f1 -d,)
SENTRYSECRET=$(echo $SENTRY_DSN | cut -f2 -d,)
SENTRYURL=$(echo $SENTRY_DSN | cut -f3 -d,)
SENTRYPROJECTID=$(echo $SENTRY_DSN | cut -f4 -d,)
DATA_TEMPLATE='{'\
'\"project\": \"$SENTRYPROJECTID\", '\
'\"logger\": \"bash\", '\
'\"platform\": \"other\", '\
'\"message\": \"Deploy error\", '\
'\"event_id\": \"$eventid\", '\
'\"level\": \"error\", '\
'\"extra\":{\"fullLog\":\"$logs\"}, '\
'\"tags\":{\"uname\":\"$uname\", \"owner\":\"$KD_OWNER_EMAIL\"},'\
' \"release\":\"$release\", \"server_name\":\"$HOSTNAME\($ip_address\)\"}'
KEY_BITS="${KEY_BITS:-4096}"
isRpmFileNotSigned(){
package="$@"
sig=$(rpm -Kv "$package" | grep Signature)
if [ -z "$sig" ]; then
return 0
else
return 1
fi
}
isInstalledRpmNotSigned(){
installed=$(rpm -qi kuberdock | grep Signature | awk -F ": " '{print $2}')
if [ "$installed" == "(none)" ];then
return 0
else
return 1
fi
}
sentryWrapper() {
if [ "$SENTRY_ENABLE" == "n" ];then
return 0
fi
if [ "$SENTRY_ENABLE" != "y" ];then
# AC-3591 Do not send anything if package not signed
package=$(ls -1 | awk '/^kuberdock.*\.rpm$/ {print $1; exit}')
if [ ! -z "$package" ];then
if isRpmFileNotSigned "$package"; then
return 0
fi
else
if isInstalledRpmNotSigned; then
return 0
fi
fi
fi
eventid=$(cat /proc/sys/kernel/random/uuid | tr -d "-")
printf "We have a problem during deployment of KuberDock master on your server. Let us help you to fix a problem. We have collected all information we need into $DEPLOY_LOG_FILE. \n"
if [ -z ${KD_OWNER_EMAIL} ]; then
read -p "Do you agree to send it to our support team? If so, just specify an email and we contact you back: " -r KD_OWNER_EMAIL
fi
echo
if [ ! -z ${KD_OWNER_EMAIL} ] ;then
logs=$(while read line; do echo -n "${line}\\n"; done < $DEPLOY_LOG_FILE)
logs=$(echo "$logs" | tr -d '"')
uname=$(uname -a)
ip_address=$(ip route get 8.8.8.8 | awk 'NR==1 {print $NF}')
release=$(rpm -q --queryformat "%{VERSION}-%{RELEASE}" kuberdock)
data=$(eval echo "$DATA_TEMPLATE")
echo
curl -s -H --fail "Content-Type: application/json" -X POST --data "$data" "$SENTRYURL/api/$SENTRYPROJECTID/store/"\
"?sentry_version=$SENTRYVERSION&sentry_client=test&sentry_key=$SENTRYKEY&sentry_secret=$SENTRYSECRET" > /dev/null
RETURN_CODE=$?
if [ ${RETURN_CODE} != 0 ] ;then
echo "We could not automatically send logs. Please contact support."
else
echo "Information about your problem has been sent to our support team."
fi
fi
echo "Done."
}
catchFailure() {
cmnd="$@"
$cmnd
catchExit
}
catchExit(){
ERROR_CODE=$?
if [ ${ERROR_CODE} != 0 ] ;then
sentryWrapper
fi
}
waitAndCatchFailure() {
local COUNT="$1"
shift 1
local DELAY="$1"
shift 1
until [ "$COUNT" -lt 0 ]; do
"$@" && return
sleep "$DELAY"
let COUNT-=1
done
sentryWrapper
}
etcdctl_wpr() {
etcdctl --timeout 30s --total-timeout 30s "$@"
}
#####################
if [ $USER != "root" ]; then
echo "Superuser privileges required" | tee -a $DEPLOY_LOG_FILE
exit 1
fi
trap catchExit EXIT
RELEASE="CentOS Linux release 7.[2-3]"
ARCH="x86_64"
MIN_RAM_KB=1572864
MIN_DISK_SIZE=10
check_release()
{
cat /etc/redhat-release | grep -P "$RELEASE" > /dev/null
if [ $? -ne 0 ] || [ `uname -m` != $ARCH ];then
ERRORS="$ERRORS Inappropriate OS version\n"
fi
}
check_mem(){
MEM=$(vmstat -s | head -n 1 | awk '{print $1}')
if [[ $MEM -lt $MIN_RAM_KB ]]; then
ERRORS="$ERRORS Master RAM space is insufficient\n"
fi
}
check_disk(){
DISK_SIZE=$(df --output=avail -BG / | tail -n +2)
if [ ${DISK_SIZE%?} -lt $MIN_DISK_SIZE ]; then
ERRORS="$ERRORS Master free disk space is insufficient\n"
fi
}
check_release
check_mem
check_disk
if [[ $ERRORS ]]; then
printf "Following noncompliances of KD cluster requirements have been detected:\n"
printf "$ERRORS"
printf "For details refer Requirements section of KuberDock Documentation, http://docs.kuberdock.com/index.html?requirements.htm\n"
exit 3
fi
# IMPORTANT: each package must be installed with separate command because of
# yum incorrect error handling!
# Parse args
VNI="1"
while [[ $# -gt 0 ]];do
key="$1"
case $key in
-c|--cleanup)
CLEANUP=yes
;;
-t|--testing)
WITH_TESTING=yes
;;
-n|--pd-namespace)
PD_CUSTOM_NAMESPACE="$2"
shift
;;
# ======== CEPH options ==============
# Use this CEPH user to access CEPH cluster
# The user must have rwx access to CEPH pool (it is equal to master IP
# or --pd-namespace value if the last was specified)
--ceph-user)
CEPH_CLIENT_USER="$2"
shift
;;
# Use this CEPH config file for CEPH client on nodes
--ceph-config)
CEPH_CONFIG_PATH="$2"
shift
;;
# CEPH user keyring path
--ceph-user-keyring)
CEPH_KEYRING_PATH="$2"
shift
;;
# ======== End of CEPH options ==============
--fixed-ip-pools)
FIXED_IP_POOLS=true
;;
--vni)
VNI="$2"; # vxlan network id. Defaults to 1
shift
;;
--zfs)
ZFS=yes
;;
--pod-ip-network)
CALICO_NETWORK="$2"
shift
;;
*)
echo "Unknown option: $key"
exit 1
;;
esac
shift # past argument or value
done
HAS_CEPH=no
# Check CEPH options if any is specified
if [ ! -z "$CEPH_CONFIG_PATH" ] || [ ! -z "$CEPH_KEYRING_PATH" ] || [ ! -z "$CEPH_CLIENT_USER" ]; then
MANDATORY_CEPH_OPTIONS="--ceph-config --ceph-user-keyring --ceph-user"
# Check that all CEPH configuration options was specified
if [ -z "$CEPH_CONFIG_PATH" ] || [ -z "$CEPH_KEYRING_PATH" ] || [ -z "$CEPH_CLIENT_USER" ]; then
echo "There must be specified all options for CEPH ($MANDATORY_CEPH_OPTIONS) or none of them"
exit 1
fi
for file in "$CEPH_KEYRING_PATH" "$CEPH_CONFIG_PATH"; do
if [ ! -e "$file" ]; then
echo "File not found: $file"
exit 1
fi
done
HAS_CEPH=yes
fi
# SOME HELPERS
install_repos()
{
# This should be done as early as possible because outdated metadata (one that
# was before sync time with ntpd) could cause troubles with https metalink for
# repos like EPEL.
yum clean metadata
#1 Add kubernetes repo
cat > /etc/yum.repos.d/kube-cloudlinux.repo << EOF
[kube]
name=kube
baseurl=http://repo.cloudlinux.com/kubernetes/x86_64/
enabled=0
gpgcheck=1
gpgkey=http://repo.cloudlinux.com/cloudlinux/security/RPM-GPG-KEY-CloudLinux
EOF
#1.1 Add kubernetes testing repo
cat > /etc/yum.repos.d/kube-cloudlinux-testing.repo << EOF
[kube-testing]
name=kube-testing
baseurl=http://repo.cloudlinux.com/kubernetes-testing/x86_64/
enabled=0
gpgcheck=1
gpgkey=http://repo.cloudlinux.com/cloudlinux/security/RPM-GPG-KEY-CloudLinux
EOF
#2 Import some keys
do_and_log rpm --import http://repo.cloudlinux.com/cloudlinux/security/RPM-GPG-KEY-CloudLinux
enable_epel
}
enable_epel()
{
rpm --import https://dl.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-7
rpm -q epel-release &> /dev/null || yum_wrapper -y install epel-release
# Clean metadata once again if it's outdated after time sync with ntpd
log_it yum -d 1 --disablerepo=* --enablerepo=epel clean metadata
# sometimes certificates can be outdated and this could cause
# EPEL https metalink problems
do_and_log yum -y --disablerepo=epel upgrade ca-certificates
do_and_log yum -y --disablerepo=epel install yum-utils
yum-config-manager --save --setopt timeout=60.0
yum-config-manager --save --setopt retries=30
_get_epel_metadata() {
# download metadata only for EPEL repo
yum -d 1 --disablerepo=* --enablerepo=epel clean metadata
yum -d 1 --disablerepo=* --enablerepo=epel makecache fast
}
for _retry in $(seq 5); do
echo "Attempt $_retry to get metadata for EPEL repo ..."
_get_epel_metadata && return || sleep 10
done
do_and_log _get_epel_metadata
}
do_and_log()
# Log all output to LOG-file and screen, and stop script on error
{
"$@" 2>&1 | tee -a $DEPLOY_LOG_FILE
temp=$PIPESTATUS
if [ $temp -ne 0 ];then
echo "$EXIT_MESSAGE"
exit $temp
fi
}
log_errors()
# Log only stderr to LOG-file, and stop script on error
{
echo "Doing $@" >> $DEPLOY_LOG_FILE
"$@" 2> >(tee -a $DEPLOY_LOG_FILE)
temp=$PIPESTATUS
if [ $temp -ne 0 ];then
echo "$EXIT_MESSAGE"
exit $temp
fi
}
log_it()
# Just log all output to LOG-file and screen
{
"$@" 2>&1 | tee -a $DEPLOY_LOG_FILE
return $PIPESTATUS
}
get_network()
# get network by ip
{
local temp=$(ip -o ad | awk "/$1/ {print \$4}")
if [ -z "$temp" ];then
return 1
fi
local temp2=$(ipcalc $temp -n -p)
if [ $? -ne 0 ];then
return 2
else
eval $temp2
echo "$NETWORK/$PREFIX"
fi
return 0
}
ISAMAZON=false
check_amazon()
{
log_it echo "Checking AWS..."
if [ -f /sys/hypervisor/uuid ] && [ `head -c 3 /sys/hypervisor/uuid` == ec2 ];then
ISAMAZON=true
log_it echo "Looks like we are on AWS."
else
log_it echo "Not on AWS."
fi
}
yum_wrapper()
{
if [ -z "$WITH_TESTING" ];then
log_errors yum --enablerepo=kube $@
else
log_errors yum --enablerepo=kube,kube-testing $@
fi
}
#AWS stuff
function get_vpc_id {
python -c "import json,sys; print json.load(sys.stdin)['Reservations'][0]['Instances'][0].get('VpcId', '')"
}
function get_subnet_id {
python -c "import json,sys; print json.load(sys.stdin)['Reservations'][0]['Instances'][0].get('SubnetId', '')"
}
function get_route_table_id {
python -c "import json,sys; lst = [str(route_table['RouteTableId']) for route_table in json.load(sys.stdin)['RouteTables'] if route_table['VpcId'] == '$1' and route_table['Associations'][0].get('SubnetId') == '$2']; print ''.join(lst)"
}
function create_k8s_certs {
local -r primary_cn="${1}"
local -r certs_dir="${2}"
K8S_TEMP="/tmp/k8s/"
rm -rf ${K8S_TEMP}
mkdir ${K8S_TEMP}
sans="IP:${primary_cn},IP:10.254.0.1,DNS:kubernetes,DNS:kubernetes.default,DNS:kubernetes.default.svc,DNS:$HOSTNAME"
local -r cert_create_debug_output=$(mktemp "${K8S_TEMP}/cert_create_debug_output.XXX")
(set -x
cd "${K8S_TEMP}"
catchFailure curl -L -O --connect-timeout 20 --retry 6 --retry-delay 2 https://storage.googleapis.com/kubernetes-release/easy-rsa/easy-rsa.tar.gz
tar xzf easy-rsa.tar.gz
cd easy-rsa-master/easyrsa3
./easyrsa --keysize="$KEY_BITS" init-pki
./easyrsa --keysize="$KEY_BITS" --batch "--req-cn=${primary_cn}@$(date +%s)" build-ca nopass
./easyrsa --keysize="$KEY_BITS" --subject-alt-name="${sans}" build-server-full "$HOSTNAME" nopass
) &>${cert_create_debug_output} || {
cat "${cert_create_debug_output}" >&2
echo "=== Failed to generate certificates: Aborting ===" >&2
exit 2
}
TMP_CERT_DIR="${K8S_TEMP}/easy-rsa-master/easyrsa3"
mkdir -p ${certs_dir}
mv ${TMP_CERT_DIR}/pki/ca.crt ${certs_dir}/
mv ${TMP_CERT_DIR}/pki/issued/* ${certs_dir}/
mv ${TMP_CERT_DIR}/pki/private/* ${certs_dir}/
chown -R kube:kube ${certs_dir}
chmod -R 0440 ${certs_dir}/*
}
setup_ntpd ()
{
# AC-3318 Remove chrony which prevents ntpd service to start after boot
yum erase -y chrony
if rpm -q epel-release >> /dev/null; then
# prevent EPEL metadata update before time sync
yum install -y ntp --disablerepo=epel
else
yum install -y ntp
fi
_sync_time() {
grep '^server' /etc/ntp.conf | awk '{print $2}' | xargs ntpdate -u
}
for _retry in $(seq 3); do
echo "Attempt $_retry to run ntpdate -u ..." && \
_sync_time && break || sleep 30;
done
_sync_time
if [ $? -ne 0 ];then
echo "ERROR: ntpdate exit with error. Maybe some problems with ntpd settings and manual changes are needed"
exit 1
fi
# To prevent ntpd from exit on large time offsets
sed -i "/^tinker /d" /etc/ntp.conf
echo "tinker panic 0" >> /etc/ntp.conf
log_it echo "Enabling restart for ntpd.service"
do_and_log mkdir -p /etc/systemd/system/ntpd.service.d
do_and_log echo -e "[Service]\nRestart=always\nRestartSec=10s" > /etc/systemd/system/ntpd.service.d/restart.conf
do_and_log systemctl daemon-reload
do_and_log systemctl restart ntpd
do_and_log systemctl reenable ntpd
do_and_log ntpq -p
if [ $? -ne 0 ];then
echo "WARNING: ntpq -p exit with error. Maybe some problems with ntpd settings and manual changes needed"
fi
}
SERVICE_NETWORK="10.254.0.0/16"
##########
# Deploy #
##########
do_deploy()
{
check_amazon
NETS=`ip -o -4 addr | grep -vP '\slo\s' | awk '{print $4}'`
CALICO_NETWORK=`python - << EOF
from itertools import chain
import socket
import sys
base_net = '10.0.0.0/8'
def overlaps(net1, net2):
nets = []
for net in (net1, net2):
netstr, bits = net.split('/')
ipaddr = int(''.join([ '%02x' % int(x) for x in netstr.split('.') ]), 16)
first = ipaddr & ( 0xffffffff ^ (1 << (32 - int(bits)))-1)
last = ipaddr | (1 << (32 - int(bits)))-1
nets.append((first, last))
return ((nets[1][0] <= nets[0][0] <= nets[1][1] or
nets[1][0] <= nets[0][1] <= nets[1][1]) or
(nets[0][0] <= nets[1][0] <= nets[0][1] or
nets[0][0] <= nets[1][1] <= nets[0][1]))
calico_network = """$CALICO_NETWORK"""
service_network = """$SERVICE_NETWORK"""
nets = """$NETS"""
nets = nets.splitlines()
filtered = [ip_net for ip_net in nets if overlaps(ip_net, base_net)]
filtered.append(service_network)
def get_calico_network():
# just create sequence 127,126,128,125,129,124,130,123,131,122,132...
addrs = list(chain(*zip(range(127, 255), reversed(range(0, 127)))))
for addr in addrs:
net = '10.{}.0.0/16'.format(addr)
if not any(overlaps(host_net, net) for host_net in filtered):
return str(net)
if calico_network:
ip, bits = calico_network.split('/')
try:
socket.inet_pton(socket.AF_INET, ip)
except:
print "Pod network validation error. Network must be in format: '10.0.0.0/16'"
sys.exit(1)
if overlaps(calico_network, service_network):
print "Pod network can't overlaps with service network"
sys.exit(1)
elif any(overlaps(calico_network, net) for net in filtered):
print "Pod network overlaps with some of already existing network"
sys.exit(1)
print calico_network
else:
calico_network = get_calico_network()
if calico_network:
print calico_network
else:
print "Can't find suitable network for pods"
sys.exit(1)
EOF`
if [ $? -ne 0 ];then
log_it echo $CALICO_NETWORK
exit 1
fi
# Get number of interfaces up
IFACE_NUM=$(ip -o link show | awk -F: '$3 ~ /LOWER_UP/ {gsub(/ /, "", $2); if ($2 != "lo"){print $2;}}'|wc -l)
MASTER_TOBIND_FLANNEL=""
MASTER_IP=""
if [ $IFACE_NUM -eq 0 ]; then # no working interfaces found...
read -p "No interfaces found. Enter master server IP address to communicate with the nodes (it should be an address of the cluster network): " MASTER_IP
if [ -z "$MASTER_IP" ]; then
log_it echo "No IP addresses obtained. Exit"
exit 1
fi
else
# get first interface from found ones
FIRST_IFACE=$(ip -o link show | awk -F: '$3 ~ /LOWER_UP/ {gsub(/ /, "", $2); if ($2 != "lo"){print $2;exit}}')
# get this interface ip address
FIRST_IP=$(ip -o -4 address show $FIRST_IFACE|awk '/inet/ {sub(/\/.*$/, "", $4); print $4;exit;}')
# read user confirmation
if [ "$ISAMAZON" = true ];then
MASTER_IP=$FIRST_IP
MASTER_TOBIND_FLANNEL=$FIRST_IFACE
else
read -p "Enter master server IP address to communicate with the nodes (it should be an address of the cluster network) [$FIRST_IP]: " MASTER_IP
if [ -z "$MASTER_IP" ]; then
MASTER_IP=$FIRST_IP
MASTER_TOBIND_FLANNEL=$FIRST_IFACE
else
MASTER_TOBIND_FLANNEL=$(ip -o -4 address show| awk "{sub(/\/.*\$/, \"\", \$4); if(\$4==\"$MASTER_IP\"){print \$2;exit}}")
fi
fi
fi
echo "MASTER_IP has been set to $MASTER_IP" >> $DEPLOY_LOG_FILE
# We question here for a node interface to bind external IPs to
if [ "$ISAMAZON" = true ];then
NODE_TOBIND_EXTERNAL_IPS=$MASTER_TOBIND_FLANNEL
else
read -p "Enter interface to bind public IP addresses on nodes [$MASTER_TOBIND_FLANNEL]: " NODE_TOBIND_EXTERNAL_IPS
if [ -z "$NODE_TOBIND_EXTERNAL_IPS" ]; then
NODE_TOBIND_EXTERNAL_IPS=$MASTER_TOBIND_FLANNEL
fi
fi
# Just a workaround for compatibility
NODE_TOBIND_FLANNEL=$MASTER_TOBIND_FLANNEL
# Do some preliminaries for aws/non-aws setups
if [ -z "$PD_CUSTOM_NAMESPACE" ]; then
PD_NAMESPACE="$MASTER_IP"
if [ "$ISAMAZON" = true ] && [ ! -z "$KUBE_AWS_INSTANCE_PREFIX" ]; then
# For AWS installation may be defined KUBE_AWS_INSTANCE_PREFIX variable,
# which will be used to prefix node names. We will use it also to prefix
# EBS volume names.
PD_NAMESPACE="$KUBE_AWS_INSTANCE_PREFIX"
fi
else
PD_NAMESPACE="$PD_CUSTOM_NAMESPACE"
fi
# =============================================================================
# This should be done as early as possible because outdated metadata (one that
# was before sync time with ntpd) could cause troubles with https metalink for
# repos like EPEL.
setup_ntpd
install_repos
# =============================================================================
if [ "$ISAMAZON" = true ];then
AVAILABILITY_ZONE=$(curl -s connect-timeout 1 http://169.254.169.254/latest/meta-data/placement/availability-zone)
REGION=$(echo $AVAILABILITY_ZONE|sed 's/\([0-9][0-9]*\)[a-z]*$/\1/')
if [ -z "$AWS_ACCESS_KEY_ID" ];then
read -p "Enter your AWS ACCESS KEY ID: " AWS_ACCESS_KEY_ID
fi
if [ -z "$AWS_SECRET_ACCESS_KEY" ];then
read -p "Enter your AWS SECRET ACCESS KEY: " AWS_SECRET_ACCESS_KEY
fi
if [ -z "$AWS_ACCESS_KEY_ID" ] || [ -z "$AWS_SECRET_ACCESS_KEY" ];then
log_it echo "Either AWS ACCESS KEY ID or AWS SECRET ACCESS KEY missing. Exit"
exit 1
fi
if [ -z "$AWS_EBS_DEFAULT_SIZE" ];then
read -p "Enter your AWS EBS DEFAULT SIZE in GB [20]: " AWS_EBS_DEFAULT_SIZE
fi
if [ -z "$AWS_EBS_DEFAULT_SIZE" ];then
AWS_EBS_DEFAULT_SIZE=20
fi
AWS_DEFAULT_EBS_VOLUME_TYPE=${AWS_DEFAULT_EBS_VOLUME_TYPE:-standard}
AWS_DEFAULT_EBS_VOLUME_IOPS=${AWS_DEFAULT_EBS_VOLUME_IOPS:-1000}
if [ -z "$ROUTE_TABLE_ID" ];then
yum_wrapper install awscli -y # only after epel is installed
INSTANCE_ID=$(curl -s http://169.254.169.254/latest/meta-data/instance-id)
INSTANCE_DATA=$(aws ec2 describe-instances --region=$REGION --instance-id $INSTANCE_ID)
VPC_ID=$(echo "$INSTANCE_DATA"|get_vpc_id)
SUBNET_ID=$(echo "$INSTANCE_DATA"|get_subnet_id)
ROUTE_TABLES=$(aws ec2 describe-route-tables --region=$REGION)
ROUTE_TABLE_ID=$(echo "$ROUTE_TABLES"|get_route_table_id $VPC_ID $SUBNET_ID)
fi
else
if [ "$HAS_CEPH" = yes ]; then
CEPH_CONF_DIR=$KUBERDOCK_LIB_DIR/conf
[ -d $CEPH_CONF_DIR ] || mkdir -p $CEPH_CONF_DIR
cp "$CEPH_CONFIG_PATH" $CEPH_CONF_DIR/ceph.conf || exit 1
cp "$CEPH_KEYRING_PATH" $CEPH_CONF_DIR || exit 1
CEPH_KEYRING_FILENAME=$(basename "$CEPH_KEYRING_PATH")
MONITORS=$(grep mon_host $CEPH_CONF_DIR/ceph.conf | cut -d ' ' -f 3)
KEYRING_PATH=/etc/ceph/$CEPH_KEYRING_FILENAME
fi
fi
# Workaround for CentOS 7 minimal CD bug.
# https://github.com/GoogleCloudPlatform/kubernetes/issues/5243#issuecomment-78080787
SWITCH=`cat /etc/nsswitch.conf | grep "^hosts:"`
if [ -z "$SWITCH" ];then
log_it echo "WARNING: Can't find \"hosts:\" line in /etc/nsswitch.conf"
log_it echo "Please, modify it to include \"myhostname\" at \"hosts:\" line"
else
if [[ ! $SWITCH == *"myhostname"* ]];then
sed -i "/^hosts:/ {s/$SWITCH/$SWITCH myhostname/}" /etc/nsswitch.conf
log_it echo 'We modify your /etc/nsswitch.conf to include "myhostname" at "hosts:" line'
fi
fi
CLUSTER_NETWORK=$(get_network $MASTER_IP)
if [ $? -ne 0 ];then
log_it echo "Error during get cluster network via $MASTER_IP"
echo "$EXIT_MESSAGE"
exit 1
fi
log_it echo "CLUSTER_NETWORK has been determined as $CLUSTER_NETWORK"
rpm -q firewalld
if [ $? == 0 ];then
echo "Stop firewalld. Dynamic Iptables rules will be used instead."
systemctl stop firewalld
systemctl mask firewalld
fi
#4. Install kuberdock
PACKAGE=$(ls -1 |awk '/^kuberdock.*\.rpm$/ {print $1; exit}')
if [ ! -z $PACKAGE ];then
log_it echo 'WARNING: Installation from local package. Using repository is strongly recommended.'
log_it echo 'To do this just move kuberdock package file to any other dir from deploy script.'
yum_wrapper -y install $PACKAGE
else
yum_wrapper -y install kuberdock
fi
if [ "$HAS_CEPH" = yes ]; then
# Ensure nginx user has access to ceph config.
# Do it after kuberdock because we need existing nginx user
# (nginx installed)
chown -R $WEBAPP_USER $CEPH_CONF_DIR
fi
# TODO AC-4871: move to kube-proxy dependencies
yum_wrapper -y install conntrack-tools
#4.1 Fix package path bug
mkdir /var/run/kubernetes || /bin/true
do_and_log chown kube:kube /var/run/kubernetes
#4.2 SELinux rules
# After kuberdock, because we need installed semanage package to do check
SESTATUS=$(sestatus|awk '/SELinux\sstatus/ {print $3}')
if [ "$SESTATUS" != disabled ];then
log_it echo "Adding SELinux rule for http on port $ELASTICSEARCH_PORT"
do_and_log semanage port -a -t http_port_t -p tcp $ELASTICSEARCH_PORT
fi
#4.3 nginx config fix
cp $KUBERDOCK_DIR/conf/nginx.conf /etc/nginx/nginx.conf
#5 Write settings that hoster enter above (only after yum kuberdock.rpm)
echo "MASTER_IP = $MASTER_IP" >> $KUBERDOCK_MAIN_CONFIG
echo "MASTER_TOBIND_FLANNEL = $MASTER_TOBIND_FLANNEL" >> $KUBERDOCK_MAIN_CONFIG
echo "NODE_TOBIND_EXTERNAL_IPS = $NODE_TOBIND_EXTERNAL_IPS" >> $KUBERDOCK_MAIN_CONFIG
echo "PD_NAMESPACE = $PD_NAMESPACE" >> $KUBERDOCK_MAIN_CONFIG
echo "CALICO_NETWORK = $CALICO_NETWORK" >> $KUBERDOCK_MAIN_CONFIG
if [ "$ZFS" = yes ]; then
echo "ZFS = yes" >> $KUBERDOCK_MAIN_CONFIG
fi
# for now, etcd-ca and bridge-utils needed during deploy only
yum_wrapper install -y etcd-ca
yum_wrapper install -y bridge-utils
#6 Setting up etcd
log_it echo 'Generating etcd-ca certificates...'
do_and_log mkdir /etc/pki/etcd
etcd-ca --depot-path /root/.etcd-ca init --passphrase "" --key-bits "$KEY_BITS"
etcd-ca --depot-path /root/.etcd-ca export --insecure --passphrase "" | tar -xf -
do_and_log mv ca.crt /etc/pki/etcd/
do_and_log rm -f ca.key.insecure
# first instance of etcd cluster
etcd-ca --depot-path /root/.etcd-ca new-cert --ip "$MASTER_IP,127.0.0.1" --passphrase "" --key-bits "$KEY_BITS" $HOSTNAME
# this order ^^^^^^^^^^^^^^ is matter for calico, because calico see only first IP
etcd-ca --depot-path /root/.etcd-ca sign --passphrase "" $HOSTNAME
etcd-ca --depot-path /root/.etcd-ca export $HOSTNAME --insecure --passphrase "" | tar -xf -
do_and_log mv $HOSTNAME.crt /etc/pki/etcd/
do_and_log mv $HOSTNAME.key.insecure /etc/pki/etcd/$HOSTNAME.key
# generate dns-pod's certificate
etcd-ca --depot-path /root/.etcd-ca new-cert --ip "10.254.0.10" --passphrase "" --key-bits "$KEY_BITS" etcd-dns
etcd-ca --depot-path /root/.etcd-ca sign --passphrase "" etcd-dns
etcd-ca --depot-path /root/.etcd-ca export etcd-dns --insecure --passphrase "" | tar -xf -
do_and_log mv etcd-dns.crt /etc/pki/etcd/
do_and_log mv etcd-dns.key.insecure /etc/pki/etcd/etcd-dns.key
# generate client's certificate
etcd-ca --depot-path /root/.etcd-ca new-cert --passphrase "" --key-bits "$KEY_BITS" etcd-client
etcd-ca --depot-path /root/.etcd-ca sign --passphrase "" etcd-client
etcd-ca --depot-path /root/.etcd-ca export etcd-client --insecure --passphrase "" | tar -xf -
do_and_log mv etcd-client.crt /etc/pki/etcd/
do_and_log mv etcd-client.key.insecure /etc/pki/etcd/etcd-client.key
cat > /etc/systemd/system/etcd.service << EOF
[Unit]
Description=Etcd Server
After=network.target
[Service]
Type=notify
WorkingDirectory=/var/lib/etcd/
EnvironmentFile=-/etc/etcd/etcd.conf
User=etcd
BlockIOWeight=1000
ExecStart=/usr/bin/etcd \
--name \${ETCD_NAME} \
--data-dir \${ETCD_DATA_DIR} \
--listen-client-urls \${ETCD_LISTEN_CLIENT_URLS} \
--advertise-client-urls \${ETCD_ADVERTISE_CLIENT_URLS} \
--ca-file \${ETCD_CA_FILE} \
--cert-file \${ETCD_CERT_FILE} \
--key-file \${ETCD_KEY_FILE}
[Install]
WantedBy=multi-user.target
EOF
cat > /etc/etcd/etcd.conf << EOF
# [member]
ETCD_NAME=default
ETCD_DATA_DIR="/var/lib/etcd/default.etcd"
#ETCD_SNAPSHOT_COUNTER="10000"
#ETCD_HEARTBEAT_INTERVAL="100"
# AC-4634 we have to be sure that etcd will process requests even under heavy
# IO during deploy, so we increase election timeout from default 1000ms to much
# higher value. Max value is 50s https://coreos.com/etcd/docs/latest/tuning.html
# There is no downside for us with big values while etcd cluster consists from
# only one local node. When we want to join more etcd instances we have to set
# correct value AFTER deploy and during new etcd instances provision.
# Also, we set higher disk IO priority to etcd via systemd unit and use
# increased request timeouts for etcdctl with a special wrapper
ETCD_ELECTION_TIMEOUT="20000"
#ETCD_LISTEN_PEER_URLS="http://localhost:2380,http://localhost:7001"
ETCD_LISTEN_CLIENT_URLS="https://0.0.0.0:2379,http://127.0.0.1:4001"
#ETCD_MAX_SNAPSHOTS="5"
#ETCD_MAX_WALS="5"
#ETCD_CORS=""
#
#[cluster]
#ETCD_INITIAL_ADVERTISE_PEER_URLS="http://localhost:2380,http://localhost:7001"
# if you use different ETCD_NAME (e.g. test), set ETCD_INITIAL_CLUSTER value for this name, i.e. "test=http://..."
#ETCD_INITIAL_CLUSTER="default=http://localhost:2380,default=http://localhost:7001"
#ETCD_INITIAL_CLUSTER_STATE="new"
#ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster"
# Our nginx will proxy 8123 to 127.0.0.1:4001 for authorized hosts
# see "shared-etcd.conf" file
ETCD_ADVERTISE_CLIENT_URLS="https://$MASTER_IP:2379,http://127.0.0.1:4001"
#ETCD_DISCOVERY=""
#ETCD_DISCOVERY_SRV=""
#ETCD_DISCOVERY_FALLBACK="proxy"
#ETCD_DISCOVERY_PROXY=""
#
#[proxy]
#ETCD_PROXY="off"
#
#[security]
ETCD_CA_FILE="/etc/pki/etcd/ca.crt"
ETCD_CERT_FILE="/etc/pki/etcd/$HOSTNAME.crt"
ETCD_KEY_FILE="/etc/pki/etcd/$HOSTNAME.key"
#ETCD_PEER_CA_FILE=""
#ETCD_PEER_CERT_FILE=""
#ETCD_PEER_KEY_FILE=""
EOF
#7 Start as early as possible, because Flannel/Calico need it
systemctl daemon-reload
do_and_log systemctl reenable etcd
log_it echo 'Starting etcd...'
log_it systemctl restart etcd
log_it echo 'Waiting for healthy etcd...'
waitAndCatchFailure 3 10 etcdctl cluster-health > /dev/null
# KuberDock k8s to etcd middleware
cat > /etc/systemd/system/kuberdock-k8s2etcd.service << EOF
[Unit]
Description=KuberDock kubernetes to etcd events middleware
Before=kube-apiserver.service
[Service]
ExecStart=/usr/bin/env python2 /var/opt/kuberdock/k8s2etcd.py
Restart=on-failure
[Install]
WantedBy=multi-user.target
EOF
do_and_log systemctl reenable kuberdock-k8s2etcd
do_and_log systemctl restart kuberdock-k8s2etcd
# change influxdb listening interface
sed -i 's/\":8086\"/\"127\.0\.0\.1:8086\"/' /etc/influxdb/influxdb.conf
# Start early or curl connection refused
# full path specified as a workaround if /lib is not a symlink to /usr/lib
do_and_log systemctl reenable /lib/systemd/system/influxdb.service
do_and_log systemctl restart influxdb
#8 Generate a shared secret (bearer token) to
# apiserver and kubelet so that kubelet can authenticate to
# apiserver to send events.
log_it echo 'Generate a bearer token'
kubelet_token=$(cat /dev/urandom | base64 | tr -d "=+/" | dd bs=32 count=1 2> /dev/null)
(umask u=rw,go= ; echo "$kubelet_token,kubelet,kubelet" > $KNOWN_TOKENS_FILE)
# Kubernetes need to read it
chown kube:kube $KNOWN_TOKENS_FILE
cat > $KUBERNETES_CONF_DIR/configfile_for_nodes << EOF
apiVersion: v1
kind: Config
users:
- name: kubelet
user:
token: $kubelet_token
clusters:
- name: local
cluster:
server: https://$MASTER_IP:6443
insecure-skip-tls-verify: true
contexts:
- context:
cluster: local
user: kubelet
name: onlycontext
current-context: onlycontext
EOF
# To send it to nodes we need to read it
chown $WEBAPP_USER $KUBERNETES_CONF_DIR/configfile_for_nodes
chmod 600 $KUBERNETES_CONF_DIR/configfile_for_nodes
#9. Configure kubernetes
log_it echo "Configuring kubernetes"
# ServiceAccount signing key
KUBERNETES_CERTS_DIR=/etc/kubernetes/certs/
create_k8s_certs $MASTER_IP $KUBERNETES_CERTS_DIR
K8S_TLS_CERT=$KUBERNETES_CERTS_DIR/$HOSTNAME.crt
K8S_TLS_PRIVATE_KEY=$KUBERNETES_CERTS_DIR/$HOSTNAME.key
K8S_CA_CERT=$KUBERNETES_CERTS_DIR/ca.crt
if [ "$ISAMAZON" = true ];then
CLOUD_PROVIDER_OPT="--cloud-provider=aws"
else
CLOUD_PROVIDER_OPT=""
fi
sed -i "/^KUBE_API_ARGS/ {s|\"\"|\"--token-auth-file=$KNOWN_TOKENS_FILE --bind-address=$MASTER_IP --watch-cache=false --tls-cert-file=$K8S_TLS_CERT --tls-private-key-file=$K8S_TLS_PRIVATE_KEY --client-ca-file=$K8S_CA_CERT --service-account-key-file=$K8S_TLS_CERT $CLOUD_PROVIDER_OPT \"|}" $KUBERNETES_CONF_DIR/apiserver
sed -i "/^KUBE_CONTROLLER_MANAGER_ARGS/ {s|\"\"|\"--service-account-private-key-file=$K8S_TLS_PRIVATE_KEY --root-ca-file=$K8S_CA_CERT $CLOUD_PROVIDER_OPT \"|}" $KUBERNETES_CONF_DIR/controller-manager
sed -i "/^KUBE_ADMISSION_CONTROL/ {s|--admission-control=NamespaceLifecycle,NamespaceExists,LimitRanger,SecurityContextDeny,ServiceAccount,ResourceQuota|--admission-control=NamespaceLifecycle,NamespaceExists,ServiceAccount|}" $KUBERNETES_CONF_DIR/apiserver