#!/bin/bash
+##
+## Make sure only root can run our script
+##
+check_root() {
+ if [[ $EUID -ne 0 ]]; then
+ echo "This script must be run as root. Please sudo or log in as root first." 1>&2
+ exit 1
+ fi
+}
+
+
+##
+## Do we have docker?
+##
+check_and_install_docker () {
+ docker_path=`which docker.io || which docker`
+ if [ -z $docker_path ]; then
+ read -p "Docker not installed. Enter to install from https://get.docker.com/ or Ctrl+C to exit"
+ curl https://get.docker.com/ | sh
+ fi
+ docker_path=`which docker.io || which docker`
+ if [ -z $docker_path ]; then
+ echo Docker install failed. Quitting.
+ exit
+ fi
+}
+
+##
+## What are we running on
+##
+check_OS() {
+ echo `uname -s`
+}
+
+##
+## OS X available memory
+##
+check_osx_memory() {
+ echo `top -l 1 | awk '/PhysMem:/ {print $2}' | sed s/G//`
+}
+
+##
+## Linux available memory
+##
+check_linux_memory() {
+ echo `free -g --si | awk ' /Mem:/ {print $2} '`
+}
+
##
## Do we have enough memory and disk space for Discourse?
##
check_disk_and_memory() {
-
- resources="ok"
- avail_mem="$(LANG=C free -m | grep '^Mem:' | awk '{print $2}')"
- if [ "$avail_mem" -lt 900 ]; then
- resources="insufficient"
+
+ os_type=$(check_OS)
+ avail_mem=0
+ if [ $os_type == "Darwin" ]; then
+ avail_mem=$(check_osx_memory)
+ else
+ avail_mem=$(check_linux_memory)
+ fi
+
+ if [ "$avail_mem" -lt 1 ]; then
echo "WARNING: Discourse requires 1GB RAM to run. This system does not appear"
echo "to have sufficient memory."
echo
echo "Your site may not work properly, or future upgrades of Discourse may not"
echo "complete successfully."
- elif [ "$avail_mem" -lt 1800 ]; then
- total_swap="$(LANG=C free -m | grep ^Swap: | awk '{print $2}')"
- if [ "$total_swap" -lt 1000 ]; then
- resources="insufficient"
- echo "WARNING: Discourse requires at least 1GB of swap when running with less "
- echo "than 2GB of RAM. This system does not appear to have sufficient swap space."
+ exit 1
+ fi
+
+ if [ "$avail_mem" -le 2 ]; then
+ total_swap=`free -g --si | awk ' /Swap:/ {print $2} '`
+ if [ "$total_swap" -lt 2 ]; then
+ echo "WARNING: Discourse requires at least 2GB of swap when running with 2GB of RAM"
+ echo "or less. This system does not appear to have sufficient swap space."
echo
- echo "Without sufficient swap space, your site may not work properly, or future"
+ echo "Without sufficient swap space, your site may not work properly, and future"
echo "upgrades of Discourse may not complete successfully."
echo
- echo "See https://meta.discourse.org/t/13880"
+ read -p "ENTER to create a 2GB swapfile now, or Ctrl+C to exit"
+
+ ##
+ ## derived from https://meta.discourse.org/t/13880
+ ##
+ install -o root -g root -m 0600 /dev/null /swapfile
+ dd if=/dev/zero of=/swapfile bs=1k count=2048k
+ mkswap /swapfile
+ swapon /swapfile
+ echo "/swapfile swap swap auto 0 0" | tee -a /etc/fstab
+ sysctl -w vm.swappiness=10
+ echo vm.swappiness = 10 | tee -a /etc/sysctl.conf
+
+ total_swap=`free -g --si | awk ' /Swap:/ {print $2} '`
+ if [ "$total_swap" -lt 2 ]; then
+ echo "Failed to create swap, sorry!"
+ exit 1
+ fi
+
fi
fi
+
free_disk="$(df /var | tail -n 1 | awk '{print $4}')"
if [ "$free_disk" -lt 5000 ]; then
- resources="insufficient"
echo "WARNING: Discourse requires at least 5GB free disk space. This system"
echo "does not appear to have sufficient disk space."
echo
exit 1
fi
- if [ -t 0 ] && [ "$resources" != "ok" ]; then
- echo
- read -p "Press ENTER to continue, or Ctrl-C to exit and give your system more resources"
- fi
}
local changelog=/tmp/changelog.$PPID
# grab info about total system ram and physical (NOT LOGICAL!) CPU cores
- avail_mem="$(LANG=C free -m | grep '^Mem:' | awk '{print $2}')"
- avail_gb=$(( $avail_mem / 950 ))
- avail_cores=`cat /proc/cpuinfo | grep "cpu cores" | uniq | awk '{print $4}'`
+ avail_gb=0
+ avail_cores=0
+ os_type=$(check_OS)
+ if [ $os_type == "Darwin" ]; then
+ avail_gb=$(check_osx_memory)
+ avail_cores=`sysctl hw.ncpu | awk '/hw.ncpu:/ {print $2}'`
+ else
+ avail_gb=$(check_linux_memory)
+ avail_cores=`cat /proc/cpuinfo | grep "cpu cores" | uniq | awk '{print $4}'`
+ fi
echo "Found ${avail_gb}GB of memory and $avail_cores physical CPU cores"
# db_shared_buffers: 128MB for 1GB, 256MB for 2GB, or 256MB * GB, max 4096MB
}
-##
+##
## standard http / https ports must not be occupied
##
check_ports() {
## check a port to see if it is already in use
##
check_port() {
-
+
local valid=$(netstat -tln | awk '{print $4}' | grep ":${1}\$")
if [ -n "$valid" ]; then
echo
echo "If you are trying to run Discourse simultaneously with another web"
echo "server like Apache or nginx, you will need to bind to a different port"
- echo
+ echo
echo "See https://meta.discourse.org/t/17247"
exit 1
fi
## prompt user for typical Discourse config file values
##
ask_user_for_config() {
-
+
local changelog=/tmp/changelog.$PPID
local hostname="discourse.example.com"
local developer_emails="me@example.com,you@example.com"
local smtp_address="smtp.example.com"
+ local smtp_port="587"
local smtp_user_name="postmaster@discourse.example.com"
local smtp_password=""
local letsencrypt_account_email="me@example.com"
local new_value=""
local config_ok="n"
local update_ok="y"
-
+
echo ""
while [[ "$config_ok" == "n" ]]
hostname=$new_value
fi
fi
-
+
if [ ! -z $developer_emails ]
then
read -p "Email address for admin account? [$developer_emails]: " new_value
developer_emails=$new_value
fi
fi
-
+
if [ ! -z $smtp_address ]
then
read -p "SMTP server address? [$smtp_address]: " new_value
smtp_address=$new_value
fi
fi
-
+
+ if [ ! -z $smtp_port ]
+ then
+ read -p "SMTP port? [$smtp_port]: " new_value
+ if [ ! -z $new_value ]
+ then
+ smtp_port=$new_value
+ fi
+ fi
+
+ ##
+ ## automatically set correct user name based on common mail providers
+ ##
if [ "$smtp_address" == "smtp.sparkpostmail.com" ]
then
smtp_user_name="SMTP_Injection"
fi
-
if [ "$smtp_address" == "smtp.sendgrid.net" ]
then
smtp_user_name="apikey"
fi
-
+ if [ "$smtp_address" == "smtp.mailgun.org" ]
+ then
+ smtp_user_name="postmaster@$hostname"
+ fi
+
if [ ! -z $smtp_user_name ]
then
read -p "SMTP user name? [$smtp_user_name]: " new_value
smtp_user_name=$new_value
fi
fi
-
+
read -p "SMTP password? [$smtp_password]: " new_value
if [ ! -z $new_value ]
then
smtp_password=$new_value
fi
-
+
if [ ! -z $letsencrypt_account_email ]
then
read -p "Let's Encrypt account email? ($letsencrypt_status) [$letsencrypt_account_email]: " new_value
echo "Hostname : $hostname"
echo "Email : $developer_emails"
echo "SMTP address : $smtp_address"
+ echo "SMTP port : $smtp_port"
echo "SMTP username : $smtp_user_name"
echo "SMTP password : $smtp_password"
-
+
if [ "$letsencrypt_status" == "Enter 'OFF' to disable." ]
then
echo "Let's Encrypt : $letsencrypt_account_email"
fi
-
+
echo ""
- read -p "Press ENTER to continue, 'n' to try again, or ^C to exit: " config_ok
+ read -p "ENTER to continue, 'n' to try again, Ctrl+C to exit: " config_ok
done
sed -i -e "s/^ DISCOURSE_HOSTNAME:.*/ DISCOURSE_HOSTNAME: $hostname/w $changelog" $config_file
update_ok="n"
fi
+ sed -i -e "s/^ #DISCOURSE_SMTP_PORT:.*/ DISCOURSE_SMTP_PORT: $smtp_port/w $changelog" $config_file
+ if [ -s $changelog ]
+ then
+ rm $changelog
+ else
+ echo "DISCOURSE_SMTP_PORT change failed."
+ update_ok="n"
+ fi
+
sed -i -e "s/^ #DISCOURSE_SMTP_USER_NAME:.*/ DISCOURSE_SMTP_USER_NAME: $smtp_user_name/w $changelog" $config_file
if [ -s $changelog ]
then
update_ok="n"
fi
- sed -i -e "s/^ #DISCOURSE_SMTP_PASSWORD:.*/ DISCOURSE_SMTP_PASSWORD: $smtp_password/w $changelog" $config_file
+ sed -i -e "s/^ #DISCOURSE_SMTP_PASSWORD:.*/ DISCOURSE_SMTP_PASSWORD: \"${smtp_password/\//\\/}\"/w $changelog" $config_file
if [ -s $changelog ]
then
rm $changelog
update_ok="n"
echo "letsencrypt.ssl.template.yml NOT ENABLED -- was it on already?"
fi
- fi
+ fi
if [ "$update_ok" == "y" ]
then
validate_config() {
valid_config="y"
-
+
for x in DISCOURSE_SMTP_ADDRESS DISCOURSE_SMTP_USER_NAME DISCOURSE_SMTP_PASSWORD \
DISCOURSE_DEVELOPER_EMAILS DISCOURSE_HOSTNAME
do
- config_line=`grep "^ $x:" $config_file`
+ config_line=`grep "^ $x:" $config_file`
local result=$?
local default="example.com"
valid_config="n"
fi
done
-
+
if [ "$valid_config" != "y" ]; then
echo -e "\nSorry, these $config_file settings aren't valid -- can't continue!"
+ echo "If you have unusual requirements, edit $config_file and then: "
+ echo "./launcher bootstrap $app_name"
exit 1
fi
}
##
## Check requirements before creating a copy of a config file we won't edit
##
+check_root
+check_and_install_docker
check_disk_and_memory
check_ports
##
## if we reach this point without exiting, OK to proceed
##
-./launcher bootstrap $app_name
-./launcher start $app_name
\ No newline at end of file
+./launcher bootstrap $app_name && ./launcher start $app_name
projects / discourse_docker.git / blobdiff