TCL programming

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#!/usr/bin/expect -f
# TCL script. Beware whitespace matter!

# To set multi-line comments do the following
# set comment {
# your multi-line comment
# }

# ###################################################
# ALL functions Start
# ###################################################

if {[llength $argv] == 0} {
send_user "Usage: scriptname FUNCTION_NAME\n"
send_user "Example script.exp updateSomething\n"
exit 1
}
set functionName [lindex $argv 0]

proc simpleTest {} {
set aProductionServers {your_server_4 your_server_5 your_server_6 your_server_1 your_server_2 your_server_3}
for {set i 0} {$i < [llength $aProductionServers]} {incr i} {
send_user "Processing ... '[lindex $aProductionServers $i]'\n"
set timeout 60
spawn ssh root@[lindex $aProductionServers $i]

expect "*assword: "
send "\r"

send "hostname\r"
expect "[lindex $aProductionServers $i]"

send "date\r"
expect "2015"
send "exit\r"
}
}
# simpleTest

proc printPass {} {
send_user "\n\[PASS\] \n"
}

proc printFail {} {
send_user "\n\[FAIL\] \n"
exit 1
}

#Untar Lucene indexes
proc UntarLuceneindexes {} {
set aLuceneServers {your_server_1 your_server_2 your_server_3}
set sCurrentLuceneTar "index2_20151009.tar.bz2"
for {set i 0} {$i < [llength $aLuceneServers]} {incr i} {
send_user "\n\n"
send_user "================================================\n"
send_user "Processing ... '[lindex $aLuceneServers $i]'\n"
send_user "================================================\n"
set timeout 60
spawn ssh root@[lindex $aLuceneServers $i]

expect "*assword: "
send "YOUR_SERVER_PASSWORD\r"

send "hostname\r"
expect "[lindex $aLuceneServers $i]"

send "su - path\r"
send "pwd\r"
expect "/home/path"
send "id\r"
expect "path"

send "ls $sCurrentLuceneTar|wc -l\r"
expect "1"

send "tar -xjvf $sCurrentLuceneTar &\r"
send "sleep 2\r"
send "ps aux|grep index2|grep tar|wc -l\r"
send "disown %1"
expect "1"

send_user "Done processing ... '[lindex $aLuceneServers $i]'"
}
}

proc updateDBRef {} {
set apathServers {your_server_6}
set newDB "some_db_20150925"
for {set i 0} {$i < [llength $apathServers]} {incr i} {
send_user "\n\n"
send_user "================================================\n"
send_user "Processing ... '[lindex $apathServers $i]'\n"
send_user "================================================\n"
set timeout 60
spawn ssh root@[lindex $apathServers $i]

expect "*assword: "
send "YOUR_SERVER_PASSWORD\r"

send "hostname\r"
expect "[lindex $apathServers $i]"

send "su - path\r"
send "pwd\r"
expect "/home/path"
send "id\r"
expect "path"

send "cat /home/path/path-current/SomeConfig.properties |grep -v 'com.somecompany.setting.server.db.pathdb2.url=' > /home/path/path-current/SomeConfig.properties.new"
send "echo 'com.somecompany.setting.server.db.pathdb2.url=jdbc:postgresql://127.0.0.1:5432/$newDB' >> /home/path/path-current/SomeConfig.properties.new"

# ps aux | grep jar | grep 8806
# kill xxxxxx

send_user "Done processing ... '[lindex $apathServers $i]'"
}
}

set aLuceneServers {your_server_1 your_server_2 your_server_3}
proc stopLuceneServices {} {
global aLuceneServers
for {set i 0} {$i < [llength $aLuceneServers]} {incr i} {
send_user "\n\n"
send_user "================================================\n"
send_user "Processing ... '[lindex $aLuceneServers $i]'\n"
send_user "================================================\n"
set timeout 60
spawn ssh root@[lindex $aLuceneServers $i]

expect "*assword: "
send "YOUR_SERVER_PASSWORD\r"

send "hostname\r"
expect "[lindex $aLuceneServers $i]"

send "service lucene stop\r"
expect {
"stopped PID" { printPass }
"lucene is not running" { printFail }
"lucene is not running x" { printPass }
timeout { exit 1 }
}

send_user "Done processing ... '[lindex $aLuceneServers $i]' \n"
}
}

proc startLuceneServices {} {
global aLuceneServers

for {set i 0} {$i < [llength $aLuceneServers]} {incr i} {
send_user "\n\n"
send_user "================================================\n"
send_user "Processing ... '[lindex $aLuceneServers $i]'\n"
send_user "================================================\n"
set timeout 60
spawn ssh root@[lindex $aLuceneServers $i]

expect "*assword: "
send "YOUR_SERVER_PASSWORD\r"

send "hostname\r"
expect "[lindex $aLuceneServers $i]"

send "service lucene start\r"
expect "started PID"

send_user "Done processing ... '[lindex $aLuceneServers $i]'"
}
}

# ###################################################
# ALL functions End
# ###################################################

set timeout 60
log_file -noappend expect.log ;# Default to append to a file. To disable append use: log_file -noappend

# ###################################################
# Calling functionName from, which supplied from command line
# ###################################################

$functionName

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