aboutsummaryrefslogtreecommitdiffstats
path: root/policy-drools/docker-install.sh
blob: fd920648527e7a93e99a06b93f6d56446ecee6c8 (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
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
#!/bin/bash

###
# ============LICENSE_START=======================================================
# Installation Package
# ================================================================================
# Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
# ================================================================================
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# 
#      http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============LICENSE_END=========================================================
###


function JAVA_HOME() {
	if [[ $DEBUG == y ]]; then
		echo "-- ${FUNCNAME[0]} $@ --"
		set -x
	fi
		
	if [[ -z ${JAVA_HOME} ]]; then
		echo "error: aborting installation: JAVA_HOME variable must be present in base.conf"
		exit 1;
	fi
	
	echo "JAVA_HOME is ${JAVA_HOME}"
}

function POLICY_HOME() {
	if [[ $DEBUG == y ]]; then
		echo "-- ${FUNCNAME[0]} $@ --"
		set -x
	fi
	
	if [[ -z ${POLICY_HOME} ]]; then
		echo "error: aborting installation: the installation directory POLICY_HOME must be set"
		exit 1
	fi
	
	POLICY_HOME_ABS=$(readlink -f "${POLICY_HOME}")
	if [[ -n ${POLICY_HOME_ABS} ]]; then
		export POLICY_HOME=${POLICY_HOME_ABS}
	fi
	
	echo "POLICY_HOME is ${POLICY_HOME}"
	
	# Do not allow installations from within POLICY_HOME dir or sub-dirs
	if [[ "$(pwd)/" == ${POLICY_HOME}/* ]]; then
	 	echo "error: aborting installation: cannot be executed from '${POLICY_HOME}' or sub-directories. "
	 	exit 1
	fi
}

function check_java() {
	if [[ $DEBUG == y ]]; then
		echo "-- ${FUNCNAME[0]} $@ --"
		set -x
	fi
	
	TARGET_JAVA_VERSION=$1
	
	if [[ -z ${JAVA_HOME} ]]; then
		echo "error: ${JAVA_HOME} is not set"
		return 1
	fi
	
	if ! check_x_file "${JAVA_HOME}/bin/java"; then
		echo "error: ${JAVA_HOME}/bin/java is not accessible"
		return 1
	fi
	
	INSTALLED_JAVA_VERSION=$("${JAVA_HOME}/bin/java" -version 2>&1 | awk -F '"' '/version/ {print $2}')
	if [[ -z $INSTALLED_JAVA_VERSION ]]; then
		echo "error: ${JAVA_HOME}/bin/java is invalid"
		return 1
	fi
	
	if [[ "${INSTALLED_JAVA_VERSION}" != ${TARGET_JAVA_VERSION}* ]]; then
		echo "error: java version (${INSTALLED_JAVA_VERSION}) does not"\
			 "march desired version ${TARGET_JAVA_VERSION}"
		return 1
	fi 
	
	echo "OK: java ${INSTALLED_JAVA_VERSION} installed"
	
	if ! type -p "${JAVA_HOME}/bin/keytool" > /dev/null 2>&1; then
		echo "error: {JAVA_HOME}/bin/keytool is not installed"
		return 1
	fi
}

function process_configuration() {
	if [[ $DEBUG == y ]]; then
		echo "-- ${FUNCNAME[0]} $@ --"
		set -x
	fi
	
	CONF_FILE=$1
	while read line || [ -n "${line}" ]; do
        if [[ -n ${line} ]] && [[ ${line} != *#* ]]; then
	        name=$(echo "${line%%=*}")
	        value=$(echo "${line#*=}")
	        # escape ampersand so that sed does not replace it with the search string
            value=${value//&/\\&}
	        if [[ -z ${name} ]] || [[ -z $value ]]; then
	        	echo "WARNING: ${line} missing name or value"
	    	fi
	    	export ${name}="${value}"
	        eval "${name}" "${value}" 2> /dev/null
        fi
	done < "${CONF_FILE}"
	return 0
}

function component_preinstall() {
	if [[ $DEBUG == y ]]; then
		echo "-- ${FUNCNAME[0]} $@ --"
		set -x
	fi

	/bin/sed -i -e 's!${{POLICY_HOME}}!'"${POLICY_HOME}!g" \
		-e 's!${{FQDN}}!'"${FQDN}!g" \
		*.conf > /dev/null 2>&1
}

function configure_component() {
	if [[ $DEBUG == y ]]; then
		echo "-- ${FUNCNAME[0]} $@ --"
		set -x
	fi
		
	CONF_FILE=$1
	COMPONENT_ROOT_DIR=$2
	
	SED_LINE="sed -i"
	SED_LINE+=" -e 's!\${{POLICY_HOME}}!${POLICY_HOME}!g' "
	SED_LINE+=" -e 's!\${{POLICY_USER}}!${POLICY_USER}!g' "
	SED_LINE+=" -e 's!\${{POLICY_GROUP}}!${POLICY_GROUP}!g' "
	SED_LINE+=" -e 's!\${{KEYSTORE_PASSWD}}!${KEYSTORE_PASSWD}!g' "
	SED_LINE+=" -e 's!\${{JAVA_HOME}}!${JAVA_HOME}!g' "
		
	while read line || [ -n "${line}" ]; do
        if [[ -n $line ]] && [[ $line != *#* ]]; then
	        name=$(echo "${line%%=*}")
	        value=$(echo "${line#*=}")
	        # escape ampersand so that sed does not replace it with the search string
            value=${value//&/\\&}
	    	if [[ -z ${name} ]] || [[ -z ${value} ]]; then
	        	echo "WARNING: ${line} missing name or value"
	    	fi
	    	SED_LINE+=" -e 's!\${{${name}}}!${value}!g' "
	        
        fi
	done < "$CONF_FILE"
	
	SED_FILES=""
	for sed_file in $(find "${COMPONENT_ROOT_DIR}" -path ${COMPONENT_ROOT_DIR}/backup -prune -o -name '*.xml' -o -name '*.sh' -o -name '*.properties' -o -name '*.json' -o -name '*.conf' -o -name '*.cfg' -o -name '*.template' -o -name '*.conf' -o -name '*.cron'); do
		if fgrep -l '${{' ${sed_file} > /dev/null 2>&1; then
			SED_FILES+="${sed_file} "
		fi
	done

	if [[ -z ${SED_FILES} ]]; then
		echo "WARNING: no xml, sh, properties, or conf files to perform configuration expansion"
	else
		SED_LINE+=${SED_FILES}
		eval "${SED_LINE}"
	fi
}

function configure_settings() {
	if [[ $DEBUG == y ]]; then
		echo "-- ${FUNCNAME[0]} $@ --"
		set -x
	fi

	# The goal is to have repositories for both 'release' and 'snapshot'
	# artifacts. These may either be remote (e.g. Nexus) repositories, or
	# a local file-based repository. 
	local fileRepoID=file-repository
	local fileRepoUrl=file:$HOME_M2/file-repository
	mkdir -p "${fileRepoUrl#file:}"
		
	# The following parameters are also used outside of this function.
	# if snapshotRepositoryUrl and/or releaseRepositoryUrl is defined,
	# the corresponding ID and url will be updated below
	releaseRepoID=${fileRepoID}
	releaseRepoUrl=${fileRepoUrl}
	snapshotRepoID=${fileRepoID}
	snapshotRepoUrl=${fileRepoUrl}

	# if both snapshotRepositoryUrl and releaseRepositoryUrl are null,
	# use standalone-settings.xml that just defines the file-based repo.
	# if only one of them is specified, use file-based repo for the other.
	if [[ -z "$snapshotRepositoryUrl" && -z $releaseRepositoryUrl ]]; then
		echo "snapshotRepositoryUrl and releaseRepositoryUrl properties not set, configuring settings.xml for standalone operation"
		mv $HOME_M2/standalone-settings.xml $HOME_M2/settings.xml
	else
		rm $HOME_M2/standalone-settings.xml

		if [[ -n "${snapshotRepositoryUrl}" ]] ; then
			snapshotRepoID=${snapshotRepositoryID}
			snapshotRepoUrl=${snapshotRepositoryUrl}
		fi
		if [[ -n "${releaseRepositoryUrl}" ]] ; then
			releaseRepoID=${releaseRepositoryID}
			releaseRepoUrl=${releaseRepositoryUrl}
		fi
	fi

	SED_LINE="sed -i"
	SED_LINE+=" -e 's!\${{snapshotRepositoryID}}!${snapshotRepoID}!g' "
	SED_LINE+=" -e 's!\${{snapshotRepositoryUrl}}!${snapshotRepoUrl}!g' "
	SED_LINE+=" -e 's!\${{releaseRepositoryID}}!${releaseRepoID}!g' "
	SED_LINE+=" -e 's!\${{releaseRepositoryUrl}}!${releaseRepoUrl}!g' "
	SED_LINE+=" -e 's!\${{repositoryUsername}}!${repositoryUsername}!g' "
	SED_LINE+=" -e 's!\${{repositoryPassword}}!${repositoryPassword}!g' "
	SED_LINE+=" -e 's!\${{fileRepoID}}!${fileRepoID}!g' "
	SED_LINE+=" -e 's!\${{fileRepoUrl}}!${fileRepoUrl}!g' "
	
	SED_LINE+="$HOME_M2/settings.xml"
	eval "${SED_LINE}"
	
}


function check_r_file() {
	if [[ $DEBUG == y ]]; then
		echo "-- ${FUNCNAME[0]} $@ --"
		set -x
	fi

	FILE=$1
	if [[ ! -f ${FILE} || ! -r ${FILE} ]]; then
        return 1
	fi

	return 0
}

function check_x_file() {	
	if [[ $DEBUG == y ]]; then
		echo "-- ${FUNCNAME[0]} $@ --"
		set -x
	fi

	FILE=$1
	if [[ ! -f ${FILE} || ! -x ${FILE} ]]; then
        return 1
	fi

	return 0
}

function install_prereqs() {
	if [[ $DEBUG == y ]]; then
		echo "-- ${FUNCNAME[0]} $@ --"
		set -x
	fi
	
	CONF_FILE=$1
	
	if ! check_r_file "${CONF_FILE}"; then
		echo "error: aborting ${COMPONENT_TYPE} installation: ${CONF_FILE} is not accessible"
		exit 1
	fi
	
	if ! process_configuration "${CONF_FILE}"; then
		echo "error: aborting ${COMPONENT_TYPE} installation: cannot process configuration ${CONF_FILE}"
		exit 1
	fi
	
	if ! check_java "1.8"; then
		echo "error: aborting ${COMPONENT_TYPE} installation: invalid java version"
		exit 1
	fi
	

	if [[ -z ${POLICY_HOME} ]]; then
		echo "error: aborting ${COMPONENT_TYPE} installation: ${POLICY_HOME} is not set"
		exit 1	
	fi

	HOME_OWNER=$(ls -ld "${POLICY_HOME}" | awk '{print $3}')
	if [[ ${HOME_OWNER} != ${POLICY_USER} ]]; then
		echo "error: aborting ${COMPONENT_TYPE} installation: ${POLICY_USER} does not own ${POLICY_HOME} directory"
		exit 1
	fi
	
	echo -n "Starting ${OPERATION} of ${COMPONENT_TYPE} under ${POLICY_USER}:${POLICY_GROUP} "
	echo "ownership with umask $(umask)."
}

function configure_base() {
	if [[ $DEBUG == y ]]; then
		echo "-- ${FUNCNAME[0]} $@ --"
		set -x
	fi
	
	# check if fqdn is set in base.conf and use that value if set
	if [[ -z ${INSTALL_FQDN} ]]
	then
		echo "FQDN not set in config...using the default FQDN ${FQDN}"
	else
		echo "Using FQDN ${INSTALL_FQDN} from config"
		FQDN=${INSTALL_FQDN}
	fi

	configure_component "${BASE_CONF}" "${POLICY_HOME}"
	
	configure_settings
	
	BASH_PROFILE_LINE=". ${POLICY_HOME}/etc/profile.d/env.sh"
	PROFILE_LINE="ps -p \$\$ | grep -q bash || . ${POLICY_HOME}/etc/profile.d/env.sh"

	# Note: adding to .bashrc instead of .bash_profile
	if ! fgrep -x "${BASH_PROFILE_LINE}" "${HOME}/.bashrc" >/dev/null 2>&1; then
		echo "${BASH_PROFILE_LINE}" >> "${HOME}/.bashrc"
	fi

	if ! fgrep -x "${PROFILE_LINE}" "${HOME}/.profile" >/dev/null 2>&1; then
		echo "${PROFILE_LINE}" >> "${HOME}/.profile"
	fi

	
	. "${POLICY_HOME}/etc/profile.d/env.sh"
	
	cat "${POLICY_HOME}"/etc/cron.d/* | crontab
}

function install_base() {
	if [[ $DEBUG == y ]]; then
		echo "-- ${FUNCNAME[0]} $@ --"
		set -x
	fi
	
	install_prereqs "${BASE_CONF}"

	# following properties must be set:
	# POLICY_HOME - installation directory, must exist and be writable

	# test that all required properties are set
	for var in POLICY_HOME JAVA_HOME
	do
		if [[ -z $(eval echo \$$var) ]]; then
			echo "ERROR: $var must be set in $BASE_CONF"
			exit 1
		fi
	done

	if [[ ! ( -d "$POLICY_HOME" && -w "$POLICY_HOME" ) ]]; then
		echo "ERROR: Installation directory $POLICY_HOME does not exist or not writable"
		exit 1
	fi

	if ! /bin/rm -fr "${POLICY_HOME}"/* > /dev/null 2>&1; then
		echo "error: aborting base installation: cannot delete the underlying ${POLICY_HOME} files"
		exit 1
	fi
	
	POLICY_HOME_CONTENTS=$(ls -A "${POLICY_HOME}" 2> /dev/null)
	if [[ -n ${POLICY_HOME_CONTENTS} ]]; then
		echo "error: aborting base installation: ${POLICY_HOME} directory is not empty"
		exit 1
	fi
	
	if ! /bin/mkdir -p "${POLICY_HOME}/logs/" > /dev/null 2>&1; then	
		echo "error: aborting base installation: cannot create ${POLICY_HOME}/logs/"
		exit 1
	fi	
	
	BASE_TGZ=$(ls base-*.tar.gz)
	if [ ! -r ${BASE_TGZ} ]; then
		echo "error: aborting: base package is not accessible"
		exit 1			
	fi
	
	tar -tzf ${BASE_TGZ} > /dev/null 2>&1
	if [[ $? != 0 ]]; then
		echo >&2 "error: aborting installation: invalid base package file: ${BASE_TGZ}"
		exit 1
	fi
	
	BASEX_TGZ=$(ls basex-*.tar.gz)
	if [ ! -r ${BASEX_TGZ} ]; then
		echo "warning: basex package is not accessible"
		BASEX_TGZ=
	else
		tar -tzf ${BASEX_TGZ} > /dev/null 2>&1
		if [[ $? != 0 ]]; then
			echo >&2 "warning: invalid basex package tar file: ${BASEX_TGZ}"
			BASEX_TGZ=
		fi			
	fi

	
	# Undo any changes in the $HOME directory if any
	
	BASH_PROFILE_LINE=". ${POLICY_HOME}/etc/profile.d/env.sh"
#	PROFILE_LINE="ps -p \$\$ | grep -q bash || . ${POLICY_HOME}/etc/profile.d/env.sh"
		
	# Note: using .bashrc instead of .bash_profile
	if [[ -f ${HOME}/.bashrc ]]; then
		/bin/sed -i.bak "\:${BASH_PROFILE_LINE}:d" "${HOME}/.bashrc"
	fi
	
#	if [[ -f ${HOME}/.profile ]]; then
#		/bin/sed -i.bak "\:${PROFILE_LINE}:d" "${HOME}/.profile"
#	fi
	
	tar -C ${POLICY_HOME} -xf ${BASE_TGZ} --no-same-owner
	if [[ $? != 0 ]]; then
		# this should not happened
		echo "error: aborting base installation: base package cannot be unpacked: ${BASE_TGZ}"
		exit 1
	fi
	
	if [ ! -z ${BASEX_TGZ} ]; then
		tar -C ${POLICY_HOME} -xf ${BASEX_TGZ} --no-same-owner
		if [[ $? != 0 ]]; then
			# this should not happened
			echo "warning: basex package cannot be unpacked: ${BASEX_TGZ}"
		fi
	fi

#	/bin/mkdir -p ${POLICY_HOME}/etc/ssl > /dev/null 2>&1
#	/bin/mkdir -p ${POLICY_HOME}/etc/init.d > /dev/null 2>&1
#	/bin/mkdir -p ${POLICY_HOME}/nagios/tmp > /dev/null 2>&1
#	/bin/mkdir -p ${POLICY_HOME}/tmp > /dev/null 2>&1
#	/bin/mkdir -p ${POLICY_HOME}/var > /dev/null 2>&1
			
#	chmod -R 755 ${POLICY_HOME}/nagios > /dev/null 2>&1
	
	HOME_M2=$HOME/.m2
	if [[ -d $HOME_M2 ]]; then
		echo "Renaming existing $HOME_M2 to $HOME/m2.$TIMESTAMP"
		mv $HOME_M2 $HOME/m2.$TIMESTAMP
		if [[ $? != 0 ]]; then
			echo "WARNING: Failed to rename $HOME_M2 directory; will use old directory"
		fi
	fi
	if [[ ! -d $HOME_M2 ]]; then
		echo "Moving m2 directory to $HOME_M2"
		mv $POLICY_HOME/m2 $HOME_M2
		if [[ $? != 0 ]]; then
			echo "ERROR: Error in moving m2 directory"
			exit 1
		fi
	fi
	
	configure_base
	
#	if ! create_keystore; then
#		echo "error: aborting base installation: creating keystore"
#		exit 1
#	fi
	
#	list_unexpanded_files ${POLICY_HOME}

}

function install_controller()
{
	if [[ $DEBUG == y ]]; then
		echo "-- ${FUNCNAME[0]} $@ --"
		set -x
	fi

	if [[ $DEBUG == y ]]; then
		echo "-- ${FUNCNAME[0]} $@ --"
		set -x
	fi
	
	if [[ -f "${HOME}/.bashrc" ]]; then
		source "${HOME}/.bashrc"
	fi
	
	if [[ -z ${POLICY_HOME} ]]; then
		echo "error: aborting installation: POLICY_HOME environment variable is not set."
		exit 1	
	fi
	
	if ! check_r_file ${POLICY_HOME}/etc/profile.d/env.sh; then
		echo "error: aborting installation: ${POLICY_HOME}/etc/profile.d/env.sh is not accessible"
		exit 1	
	fi
	
	CONTROLLER_CONF=$COMPONENT_TYPE.conf
	install_prereqs "${CONTROLLER_CONF}"

	# following properties must be set in conf file:
	# CONTROLLER_ARTIFACT_ID - Maven artifactId for controller
	# CONTROLLER_NAME - directory name for the controller; controller will be installed to
	#                   $POLICY_HOME/controllers/$CONTROLLER_NAME
	# CONTROLLER_PORT - port number for the controller REST interface
	# RULES_ARTIFACT -  rules artifact specifier: groupId:artifactId:version
	
	# test that all required properties are set
	for var in CONTROLLER_ARTIFACT_ID CONTROLLER_NAME CONTROLLER_PORT RULES_ARTIFACT UEB_TOPIC
	do
		if [[ -z $(eval echo \$$var) ]]; then
			echo "ERROR: $var must be set in $CONTROLLER_CONF"
			exit 1
		fi
	done
	
	CONTROLLER_ZIP=$(ls $CONTROLLER_ARTIFACT_ID*.zip 2>&-)
	if [[ -z $CONTROLLER_ZIP ]]; then
		echo "ERROR: Cannot find controller zip file ($CONTROLLER_ARTIFACT_ID*.zip)"
		exit 1
	fi

	if [[ ! "$CONTROLLER_NAME" =~ ^[A-Za-z0-9_-]+$ ]]; then
		echo "ERROR: CONTROLLER_NAME may only contain alphanumeric, underscore, and dash characters"
		exit 1
	fi

	if [[ ! "$CONTROLLER_PORT" =~ ^[0-9]+$ ]]; then
		echo "ERROR: CONTROLLER_PORT is not a valid integer"
		exit 1
	fi

	# split artifact string into parts
	IFS=: read RULES_GROUPID RULES_ARTIFACTID RULES_VERSION <<<$RULES_ARTIFACT
	if [[ -z $RULES_GROUPID || -z $RULES_ARTIFACTID || -z $RULES_VERSION ]]; then
		echo "ERROR: Invalid setting for RULES_ARTIFACT property"
		exit 1
	fi

	#RULES_JAR=$RULES_ARTIFACTID-$RULES_VERSION.jar
	RULES_JAR=$(echo ${RULES_ARTIFACTID}-*.jar)
	if ! check_r_file $RULES_JAR; then
		echo "WARNING: Rules jar file $RULES_JAR not found in installer package, must be installed manually"
		RULES_JAR=
	fi


	SOURCE_DIR=$PWD
	CONTROLLER_DIR=$POLICY_HOME

	cd $CONTROLLER_DIR

	echo "Unpacking controller zip file"
	# use jar command in case unzip not present on system
	jar xf $SOURCE_DIR/$CONTROLLER_ZIP
	if [[ $? != 0 ]]; then
		echo "ERROR: unpack of controller zip file failed, install aborted"
		exit 1
	fi

	chmod +x bin/*

	# Perform base variable replacement in controller config file
	configure_component "${SOURCE_DIR}/${BASE_CONF}" "${CONTROLLER_DIR}"
	
	# Perform variable replacements in config files.
	# config files may contain the following strings that need to be replaced with
	# real values:
	#	AAAA - artifactId
	#	BBBB - Substring of AAAA after first dash (stripping initial "ncomp-" or "policy-")
	#	PORT - Port number for REST server

	echo "Performing variable replacement in config files"
	AAAA=$CONTROLLER_ARTIFACT_ID
	BBBB=${AAAA#[a-z]*-}
	PORT=$CONTROLLER_PORT
	UTOPIC=${UEB_TOPIC}

	for file in config/*
	do
		sed -i -e "s/AAAA/$AAAA/" -e "s/BBBB/$BBBB/" -e "s/PORT/$PORT/" -e "s!\${{UEB_TOPIC}}!${UTOPIC}!" $file
		if [[ $? != 0 ]]; then
			echo "ERROR: variable replacement failed for file $file, install aborted"
			exit 1
		fi
	done

	mv config/makefile .

	# append properties for rules artifact to server properties
	cat >>config/server.properties <<EOF

rules.groupId=$RULES_GROUPID
rules.artifactId=$RULES_ARTIFACTID
rules.version=$RULES_VERSION
EOF

	# TODO: run pw.sh script to set passwords

	# return to directory where we started
	cd $SOURCE_DIR
	
	# install rules jar into repository if present
	if [[ -n $RULES_JAR ]]; then
		# can't use RULES_VERSION because may be set to "LATEST",
		# so extract version from the jar filename
		ARTIFACT_VERSION=$(sed -e "s/${RULES_ARTIFACTID}-//" -e "s/\.jar//" <<<${RULES_JAR})
		if [[ -n $repositoryUrl ]]; then
			echo "Deploying rules artifact to Policy Repository"
			mvn deploy:deploy-file -Dfile=$RULES_JAR \
				-DgroupId=$RULES_GROUPID -DartifactId=$RULES_ARTIFACTID -Dversion=$ARTIFACT_VERSION \
				-DrepositoryId=${repositoryID} -Durl=${repositoryUrl} \
				-DgeneratePom=true -DupdateReleaseInfo=true
		else
			echo "Installing rules artifact into local .m2 repository"
			mvn --offline org.apache.maven.plugins:maven-install-plugin:2.5.2:install-file \
				-Dfile=$RULES_JAR -DgeneratePom=true -DupdateReleaseInfo=true
		fi
	fi

	update_monitor $CONTROLLER_NAME
}


function update_monitor() {
	if [[ $DEBUG == y ]]; then
		echo "-- ${FUNCNAME[0]} $@ --"
		set -x
	fi
	
	NAME=$1
	
	if [[ -f ${POLICY_HOME}/etc/monitor/monitor.cfg ]]; then
		if grep -q "^${NAME}=" ${POLICY_HOME}/etc/monitor/monitor.cfg; then
			echo "OK: updating monitoring entry for ${NAME}"
			/bin/sed -i.bak \
				-e "s/^${NAME}=.*/${NAME}=off/g" \
				${POLICY_HOME}/etc/monitor/monitor.cfg
		else
			# make sure file ends with newline
			lastline=$(tail -n 1 ${POLICY_HOME}/etc/monitor/monitor.cfg; echo x)
			lastline=${lastline%x}
			if [ "${lastline: -1}" = $'\n' ]; then
				echo "OK: adding an entry for ${NAME} in ${POLICY_HOME}/etc/monitor/monitor.cfg"
			else
				echo "OK: adding an entry for ${NAME} in ${POLICY_HOME}/etc/monitor/monitor.cfg (with newline)"
				echo "" >> ${POLICY_HOME}/etc/monitor/monitor.cfg
			fi


			echo "${NAME}=off" >> ${POLICY_HOME}/etc/monitor/monitor.cfg
		fi
	else
		echo "WARNING: ${POLICY_HOME}/etc/monitor/monitor.cfg does not exist. No monitoring enabled."	
	fi
}

# Usage: getPomAttributes <pom-file> <attribute> ...
#
# This function performs simplistic parsing of a 'pom.xml' file, extracting
# the specified attributes (e.g. 'groupId', 'artifactId', 'version'). The
# attributes are returned as environment variables with the associated name.

function getPomAttributes
{
	local tab=$'\t'
	local rval=0
	local file="$1"
	local attr
	local value
	shift
	for attr in "$@" ; do
		# Try to fetch the parameter associated with the 'pom.xml' file.
		# Initially, the 'parent' element is excluded. If the desired
		# parameter is not found, the 'parent' element is included in the
		# second attempt.
		value=$(sed -n \
			-e '/<parent>/,/<\/parent>/d' \
			-e '/<dependencies>/,/<\/dependencies>/d' \
			-e '/<build>/,/<\/build>/d' \
			-e "/^[ ${tab}]*<${attr}>\([^<]*\)<\/${attr}>.*/{s//\1/p;}" \
			<"${file}")

		if [[ "${value}" == "" ]] ; then
			# need to check parent for parameter
			value=$(sed -n \
				-e '/<dependencies>/,/<\/dependencies>/d' \
				-e '/<build>/,/<\/build>/d' \
				-e "/^[ ${tab}]*<${attr}>\([^<]*\)<\/${attr}>.*/{s//\1/p;}" \
				<"${file}")
			if [[ "${value}" == "" ]] ; then
				echo "${file}: Can't determine ${attr}" >&2
				rval=1
			fi
		fi
		# the following sets an environment variable with the name referred
		# to by ${attr}
		read ${attr} <<<"${value}"
	done
	return ${rval}
}


# Usage: installPom <pom-file>
#
# This function installs a 'pom.xml' file in the local repository

function installPom
{
	# need to extract attributes from POM file
	if getPomAttributes "${1}" artifactId groupId version ; then
		local repoID repoUrl
		if [[ "${version}" =~ SNAPSHOT ]] ; then
			repoID=${snapshotRepoID}
			repoUrl=${snapshotRepoUrl}
		else
			repoID=${releaseRepoID}
			repoUrl=${releaseRepoUrl}
		fi
		echo "${1}: Deploying POM artifact to remote repository"
		mvn deploy:deploy-file -Dfile="$1" \
			-Dpackaging=pom -DgeneratePom=false \
			-DgroupId=${groupId} \
			-DartifactId=${artifactId} \
			-Dversion=${version} \
			-DrepositoryId=${repoID} -Durl=${repoUrl} \
			-DupdateReleaseInfo=true
	else
		echo "${1}: Can't install pom due to missing attributes" >&2
		return 1
	fi
}

# Usage: installJar <jar-file>
#
# This function installs a JAR file in the local repository, as well as
# the 'pom.xml' member it contains.

function installJar
{
	local dir=$(mktemp -d)
	local jar="${1##*/}"
	cp -p "${1}" "${dir}/${jar}"

	(
		local rval=0
		cd "${dir}"
		# determine name of 'pom' file within JAR
		local pom=$(jar tf ${jar} META-INF | grep '/pom\.xml$' | head -1)
		if [[ "${pom}" ]] ; then
			# extract pom file
			jar xf ${jar} "${pom}"

			# determine version from pom file
			if getPomAttributes "${pom}" version ; then
				local repoID repoUrl
				if [[ "${version}" =~ SNAPSHOT ]] ; then
					repoID=${snapshotRepoID}
					repoUrl=${snapshotRepoUrl}
				else
					repoID=${releaseRepoID}
					repoUrl=${releaseRepoUrl}
				fi
				echo "${1}: Deploying JAR artifact to remote repository"
				mvn deploy:deploy-file \
					-Dfile=${jar} \
					-Dversion=${version} \
					-Dpackaging=jar -DgeneratePom=false -DpomFile=${pom} \
					-DrepositoryId=${repoID} -Durl=${repoUrl} \
					-DupdateReleaseInfo=true
			else
				echo "${1}: Can't determine version from 'pom.xml'" >&2
				rval=1
			fi
		else
			echo "${1}: Can't find 'pom.xml'" >&2
			rval=1
		fi
		rm -rf ${dir}
		return ${rval}
	)
}

# Unzip the 'artifacts-*.zip' file, and install all of the associated
# artifacts into the local repository.

function installArtifacts
{
	local file
	if [[ -f $(echo artifacts-*.zip) ]] ; then
		# use jar command in case unzip not present on system
		jar xf artifacts-*.zip
		for file in artifacts/* ; do
			case "${file}" in
				*pom.xml|*.pom) installPom "${file}";;
				*.jar) installJar "${file}";;
				*) echo "${file}: Don't know how to install artifact" >&2;;
			esac
		done
	fi
}

function do_install()
{
	if [[ $DEBUG == y ]]; then
		echo "-- ${FUNCNAME[0]} $@ --"
		set -x
	fi

	echo "Starting installation at $(date)"
	echo
	
	COMPONENT_TYPE=base
	BASE_CONF=base.conf
	install_base
	component_preinstall

	COMPONENT_TYPE=policy-management
	install_controller
	
	# install features
	SOURCE_DIR=$PWD
	cd $POLICY_HOME
	jar xf ${SOURCE_DIR}/policy-persistence-*.zip
	jar xf ${SOURCE_DIR}/policy-healthcheck-*.zip
	cd ${SOURCE_DIR}

	installArtifacts

	echo
	echo "Installation complete"
	echo "Please logoff and login again to update shell environment"
	
}

DEBUG=n
export POLICY_USER=$(/usr/bin/id -un)
export POLICY_GROUP=$POLICY_USER
	
FQDN=$(hostname -f 2> /dev/null)
if [[ $? != 0 || -z ${FQDN} ]]; then
	echo "error: cannot determine the FQDN for this host $(hostname)."
	exit 1
fi

TIMESTAMP=$(date "+%Y%m%d-%H%M%S")
LOGFILE=$PWD/install.log.$TIMESTAMP

OPERATION=install
BASE_CONF=base.conf

do_install 2>&1 | tee $LOGFILE