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#!/usr/bin/env bash
source "$rvm_scripts_path/base"
true ${rvm_trace_flag:-0}
if (( rvm_trace_flag == 2 ))
then
set -x
export rvm_trace_flag
fi
system="$(uname -s)"
version="${rvm_ruby_string}.${system}"
# Check we're on a suitable 64-bit machine
case "$system" in
Linux)
if [[ "$(uname -sm)" != "Linux x86_64" ]]
then
rvm_error "This script only works on a 64-bit Linux OS."
echo "The result from \"uname -sm\" is \"$(uname -sm)\" not \"Linux x86_64\""
exit 1
fi
;;
Darwin)
system_version="$(sw_vers -productVersion)"
MAJOR="$(echo $system_version | cut -f1 -d.)"
MINOR="$(echo $system_version | cut -f2 -d.)"
CPU_CAPABLE="$(sysctl hw.cpu64bit_capable | cut -f2 -d' ')"
#
# Check the CPU and Mac OS profile.
if [[ $CPU_CAPABLE -ne 1 || $MAJOR -lt 10 || $MINOR -lt 5 ]]
then
rvm_error "This script requires Mac OS 10.5 or later on a 64-bit Intel CPU."
exit 1
fi
;;
SunOS)
if [[ "$(uname -p)" != "i386" || "$(isainfo -b)" != "64" ]]
then
rvm_error "This script only works on a 64-bit Solaris-x86 OS."
exit 1
fi
;;
*)
rvm_error "This script only works on a 64-bit Linux, Mac OS X, or Solaris-x86 machine"
echo "The result from \"uname -sm\" is \"$(uname -sm)\""
exit 1
;;
esac
# We should run this as a normal user, not root.
if (( UID == 0 ))
then
rvm_error "This script should be run as a normal user, not root."
exit 1
fi
# Check that the current directory is writable
if [[ ! -w "." ]]
then
rvm_error "This script requires write permission on your current directory."
\ls -ld $PWD
exit 1
fi
# We're good to go. Let user know.
machine_name="$(uname -n)"
rvm_log "Starting installation of $version on $machine_name"
# Figure out how much total memory is installed
rvm_log "Setting up shared memory"
#
# Ref: http://wiki.finkproject.org/index.php/Shared_Memory_Regions_on_Darwin
# Ref: http://developer.postgresql.org/pgdocs/postgres/kernel-resources.html
# Ref: http://www.idevelopment.info/data/Oracle/DBA_tips/Linux/LINUX_8.shtml
#
case "$system" in
Linux)
# use TotalMem: kB because Ubuntu doesn't have Mem: in Bytes
totalMemKB=$(awk '/MemTotal:/{print($2);}' /proc/meminfo)
totalMem=$(($totalMemKB * 1024))
# Figure out the max shared memory segment size currently allowed
shmmax=$(cat /proc/sys/kernel/shmmax)
# Figure out the max shared memory currently allowed
shmall=$(cat /proc/sys/kernel/shmall)
;;
Darwin)
totalMem="$(sysctl hw.memsize | cut -f2 -d' ')"
# Figure out the max shared memory segment size currently allowed
shmmax="$(sysctl kern.sysv.shmmax | cut -f2 -d' ')"
# Figure out the max shared memory currently allowed
shmall="$(sysctl kern.sysv.shmall | cut -f2 -d' ')"
;;
SunOS)
# TODO: figure memory needs for SunOS
# Investigate project.max-shm-memory
totalMemMB="$(/usr/sbin/prtconf | GREP_OPTIONS="" \grep Memory | cut -f3 -d' ')"
totalMem=$(($totalMemMB * 1048576))
shmmax=$(($totalMem / 4))
shmall=$(($shmmax / 4096))
;;
*)
rvm_error "Can't determine operating system. Check script."
exit 1
;;
esac
totalMemMB=$(($totalMem / 1048576))
shmmaxMB=$(($shmmax / 1048576))
shmallMB=$(($shmall / 256))
# Print current values
echo " Total memory available is $totalMemMB MB"
echo " Max shared memory segment size is $shmmaxMB MB"
echo " Max shared memory allowed is $shmallMB MB"
# Figure out the max shared memory segment size (shmmax) we want
# Use 75% of available memory but not more than 2GB
shmmaxNew=$(($totalMem * 3/4))
if (( shmmaxNew > 2147483648 ))
then
shmmaxNew=2147483648
fi
shmmaxNewMB=$(($shmmaxNew / 1048576))
# Figure out the max shared memory allowed (shmall) we want
# The Darwin (OSX) default is 4MB, way too small
# The Linux default is 2097152 or 8GB, so we should never need this
# but things will certainly break if it's been reset too small
# so ensure it's at least big enough to hold a fullsize shared memory segment
shmallNew=$(($shmmaxNew / 4096))
if (( shmallNew < shmall ))
then
shmallNew=$shmall
fi
shmallNewMB=$(($shmallNew / 256))
# Increase shmmax if appropriate
if (( shmmaxNew > shmmax ))
then
rvm_log "Increasing max shared memory segment size to $shmmaxNewMB MB"
case "${system}" in
Darwin)
sudo sysctl -w kern.sysv.shmmax=$shmmaxNew
;;
Linux)
sudo bash -c "echo $shmmaxNew > /proc/sys/kernel/shmmax"
;;
SunOS)
echo "[[Warning]] shmmax must be set manually on SunOS"
;;
esac
else
rvm_log "No need to increase max shared memory segment size"
fi
# Increase shmall if appropriate
if (( shmallNew > shmall ))
then
rvm_log "Increasing max shared memory allowed to $shmallNewMB MB"
case "${system}" in
Darwin)
sudo sysctl -w kern.sysv.shmall=$shmallNew
;;
Linux)
sudo bash -c "echo $shmallNew > /proc/sys/kernel/shmall"
;;
SunOS)
echo "[[Warning]]shmall must be set manually on SunOS"
;;
esac
else
rvm_log "No need to increase max shared memory allowed"
fi
# At this point, shared memory settings contain the values we want,
# put them in sysctl.conf so they are preserved.
if [[ ! -f /etc/sysctl.conf ]] || (( $(GREP_OPTIONS="" \grep -sc "kern.*.shm" /etc/sysctl.conf) == 0 ))
then
case "$system" in
Linux)
echo "# kernel.shm* settings added by MagLev installation" > /tmp/sysctl.conf.$$
echo "kernel.shmmax=$(cat /proc/sys/kernel/shmmax)" >> /tmp/sysctl.conf.$$
echo "kernel.shmall=$(cat /proc/sys/kernel/shmall)" >> /tmp/sysctl.conf.$$
;;
Darwin)
# On Mac OS X Leopard, you must have all five settings in sysctl.conf
# before they will take effect.
echo "# kern.sysv.shm* settings added by MagLev installation" > /tmp/sysctl.conf.$$
sysctl kern.sysv.shmmax kern.sysv.shmall kern.sysv.shmmin kern.sysv.shmmni \
kern.sysv.shmseg | \tr ":" "=" | \tr -d " " >> /tmp/sysctl.conf.$$
;;
SunOS)
# Do nothing in SunOS since /etc/sysctl.conf is ignored on Solaris 10.
# Must configure shared memory settings manually.
;;
*)
rvm_error "Can't determine operating system. Check script."
exit 1
;;
esac
# Do nothing on SunOS since /etc/sysctl.conf is ignored on Solaris 10.
if [[ "$system" != "SunOS" ]]
then
rvm_log "Adding the following section to /etc/sysctl.conf"
cat /tmp/sysctl.conf.$$
sudo bash -c "cat /tmp/sysctl.conf.$$ >> /etc/sysctl.conf"
/bin/rm -f /tmp/sysctl.conf.$$
fi
else
rvm_log "The following shared memory settings already exist in /etc/sysctl.conf"
echo "To change them, remove the following lines from /etc/sysctl.conf and rerun this script"
GREP_OPTIONS="" \grep "kern.*.shm" /etc/sysctl.conf
fi
# Now setup for NetLDI in case we ever need it.
rvm_log "Setting up GemStone netldi service port"
if (( $(GREP_OPTIONS="" \grep -sc "^gs64ldi" /etc/services) == 0 ))
then
echo '[[Info]] Adding "gs64ldi 50378/tcp" to /etc/services'
sudo bash -c 'echo "gs64ldi 50378/tcp # Gemstone netldi" >> /etc/services'
else
rvm_log "GemStone netldi service port is already set in /etc/services"
echo "To change it, remove the following line from /etc/services and rerun this script"
GREP_OPTIONS="" \grep "^gs64ldi" /etc/services
fi
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