[discourse_docker.git] / discourse-setup

#!/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 enough memory and disk space for Discourse?
##
check_disk_and_memory() {
  
  avail_mem="$(LANG=C free -m | grep '^Mem:' | awk '{print $2}')"
  if [ "$avail_mem" -lt 900 ]; 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."
    exit 1
  fi
    
  if [ "$avail_mem" -lt 1800 ]; then
    total_swap="$(LANG=C free -m | grep ^Swap: | awk '{print $2}')"
    if [ "$total_swap" -lt 1000 ]; then
      echo "WARNING: Discourse requires at least 2GB of swap when running with less "
      echo "than 2GB of RAM. This system does not appear to have sufficient swap space."
      echo
      echo "Without sufficient swap space, your site may not work properly, and future"
      echo "upgrades of Discourse may not complete successfully."
      echo
      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="$(LANG=C free -m | grep ^Swap: | awk '{print $2}')"
      if [ "$total_swap" -lt 1000 ]; 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
    echo "WARNING: Discourse requires at least 5GB free disk space. This system"
    echo "does not appear to have sufficient disk space."
    echo
    echo "Insufficient disk space may result in problems running your site, and"
    echo "may not even allow Discourse installation to complete successfully."
    echo
    echo "Please free up some space, or expand your disk, before continuing."
    echo
    echo "Run \`apt-get autoremove && apt-get autoclean\` to clean up unused"
    echo "packages and \`./launcher cleanup\` to remove stale Docker containers."
    exit 1
  fi

}


##
## If we have lots of RAM or lots of CPUs, bump up the defaults to scale better
##
scale_ram_and_cpu() {

  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}'`
  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
  if [ "$avail_gb" -eq "1" ]
  then
    db_shared_buffers=128
  else
    if [ "$avail_gb" -eq "2" ]
    then
      db_shared_buffers=256
    else
      db_shared_buffers=$(( 256 * $avail_gb ))
    fi
  fi
  db_shared_buffers=$(( db_shared_buffers < 4096 ? db_shared_buffers : 4096 ))

  sed -i -e "s/^  #db_shared_buffers:.*/  db_shared_buffers: \"${db_shared_buffers}MB\"/w $changelog" $config_file
  if [ -s $changelog ]
  then
    echo "setting db_shared_buffers = ${db_shared_buffers}MB"
    rm $changelog
  fi

  # UNICORN_WORKERS: 2 * GB for 2GB or less, or 2 * CPU, max 8
  if [ "$avail_gb" -le "2" ]
  then
    unicorn_workers=$(( 2 * $avail_gb ))
  else
    unicorn_workers=$(( 2 * $avail_cores ))
  fi
  unicorn_workers=$(( unicorn_workers < 8 ? unicorn_workers : 8 ))

  sed -i -e "s/^  #UNICORN_WORKERS:.*/  UNICORN_WORKERS: ${unicorn_workers}/w $changelog" $config_file
  if [ -s $changelog ]
  then
      echo "setting UNICORN_WORKERS = ${unicorn_workers}"
      rm $changelog
  fi

}


## 
## standard http / https ports must not be occupied
##
check_ports() {
    check_port "80"
    check_port "443"
    echo "Ports 80 and 443 are free for use"
}


##
## 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 "Port ${1} appears to already be in use."
    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 "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 letsencrypt_status="ENTER to skip"

  local new_value=""
  local config_ok="n"
  local update_ok="y"
  
  echo ""

  while [[ "$config_ok" == "n" ]]
  do
    if [ ! -z $hostname ]
    then
      read -p "Hostname for your Discourse? [$hostname]: " new_value
      if [ ! -z $new_value ]
      then
          hostname=$new_value
      fi
    fi
    
    if [ ! -z $developer_emails ]
    then
      read -p "Email address for admin account? [$developer_emails]: " new_value
      if [ ! -z $new_value ]
      then
          developer_emails=$new_value
      fi
    fi
    
    if [ ! -z $smtp_address ]
    then
      read -p "SMTP server address? [$smtp_address]: " new_value
      if [ ! -z $new_value ]
      then
        smtp_address=$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
      if [ ! -z $new_value ]
      then
          smtp_user_name=$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
      if [ ! -z $new_value ]
      then
          letsencrypt_account_email=$new_value
          if [ "$new_value" == "off" ]
          then
            letsencrypt_status="ENTER to skip"
          else
            letsencrypt_status="Enter 'OFF' to disable."
          fi
      fi
    fi

    echo -e "\nDoes this look right?\n"
    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 "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
  if [ -s $changelog ]
  then
    rm $changelog
  else
    echo "DISCOURSE_HOSTNAME change failed."
    update_ok="n"
  fi

  sed -i -e "s/^  DISCOURSE_DEVELOPER_EMAILS:.*/  DISCOURSE_DEVELOPER_EMAILS: \'$developer_emails\'/w $changelog" $config_file
  if [ -s $changelog ]
  then
    rm $changelog
  else
    echo "DISCOURSE_DEVELOPER_EMAILS change failed."
    update_ok="n"
  fi

  sed -i -e "s/^  DISCOURSE_SMTP_ADDRESS:.*/  DISCOURSE_SMTP_ADDRESS: $smtp_address/w $changelog" $config_file
  if [ -s $changelog ]
  then
    rm $changelog
  else
    echo "DISCOURSE_SMTP_ADDRESS change failed."
    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
    rm $changelog
  else
    echo "DISCOURSE_SMTP_USER_NAME change failed."
    update_ok="n"
  fi

  sed -i -e "s/^  #DISCOURSE_SMTP_PASSWORD:.*/  DISCOURSE_SMTP_PASSWORD: \"${smtp_password/\//\\/}\"/w $changelog" $config_file
  if [ -s $changelog ]
  then
      rm $changelog
  else
    echo "DISCOURSE_SMTP_PASSWORD change failed."
    update_ok="n"
  fi

  if [ "$letsencrypt_status" != "ENTER to skip" ]
  then
      sed -i -e "s/^  #LETSENCRYPT_ACCOUNT_EMAIL:.*/  LETSENCRYPT_ACCOUNT_EMAIL: $letsencrypt_account_email/w $changelog" $config_file
      if [ -s $changelog ]
      then
        rm $changelog
      else
        echo "LETSENCRYPT_ACCOUNT_EMAIL change failed."
        update_ok="n"
      fi
      local src='^  #- "templates\/web.ssl.template.yml"'
      local dst='  \- "templates\/web.ssl.template.yml"'
      sed -i -e "s/$src/$dst/w $changelog" $config_file
      if [ -s $changelog ]
      then
	  echo "web.ssl.template.yml enabled"
      else
        update_ok="n"
        echo "web.ssl.template.yml NOT ENABLED--was it on already?"
      fi
      local src='^  #- "templates\/web.letsencrypt.ssl.template.yml"'
      local dst='  - "templates\/web.letsencrypt.ssl.template.yml"'

      sed -i -e "s/$src/$dst/w $changelog" $config_file
      if [ -s $changelog ]
      then
	      echo "letsencrypt.ssl.template.yml enabled"
      else
        update_ok="n"
        echo "letsencrypt.ssl.template.yml NOT ENABLED -- was it on already?"
      fi
  fi 

  if [ "$update_ok" == "y" ]
  then
    echo -e "\nConfiguration file at $config_file updated successfully!\n"
  else
    echo -e "\nUnfortunately, there was an error changing $config_file\n"
    exit 1
  fi
}

##
## is our config file valid? Does it have the required fields set?
##
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:" $config_file` 
    local result=$?
    local default="example.com"

    if (( result == 0 ))
    then
      if [[ $config_line = *"$default"* ]]
      then
        echo "$x left at incorrect default of example.com"
        valid_config="n"
      fi
      config_val=`echo $config_line | awk '{print $2}'`
      if [ -z $config_val ]
      then
        echo "$x was left blank"
        valid_config="n"
      fi
    else
      echo "$x not present"
      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
}


##
## template file names
##
app_name=app
template_path=samples/standalone.yml
config_file=containers/$app_name.yml
changelog=/tmp/changelog

##
## Check requirements before creating a copy of a config file we won't edit
##
check_root
check_disk_and_memory
check_ports

##
## make a copy of the simple standalone config file
##
if [ -a $config_file ]
then
  echo "The configuration file $config_file already exists!"
  echo ""
  echo "If you want to delete your old configuration file and start over:"
  echo "rm $config_file"
  exit 1
else
  cp $template_path $config_file
fi

scale_ram_and_cpu
ask_user_for_config
validate_config

##
## if we reach this point without exiting, OK to proceed
##
./launcher bootstrap $app_name && ./launcher start $app_name
Commit	Line	Data
c2d3ee4a JA	1	#!/bin/bash
c2d3ee4a JA	2
ebdd72f3 JA	3	##
	4	## Make sure only root can run our script
	5	##
	6	check_root() {
	7	if [[ $EUID -ne 0 ]]; then
	8	echo "This script must be run as root. Please sudo or log in as root first." 1>&2
	9	exit 1
	10	fi
	11	}
	12
c2d3ee4a JA	13	##
	14	## Do we have enough memory and disk space for Discourse?
	15	##
	16	check_disk_and_memory() {
	17
c2d3ee4a JA	18	avail_mem="$(LANG=C free -m \| grep '^Mem:' \| awk '{print $2}')"
c2d3ee4a JA	19	if [ "$avail_mem" -lt 900 ]; then
51890305 JA	20	echo "WARNING: Discourse requires 1GB RAM to run. This system does not appear"
51890305 JA	21	echo "to have sufficient memory."
c2d3ee4a	22	echo
51890305 JA	23	echo "Your site may not work properly, or future upgrades of Discourse may not"
51890305 JA	24	echo "complete successfully."
cdd99376 JA	25	exit 1
	26	fi
	27
	28	if [ "$avail_mem" -lt 1800 ]; then
c2d3ee4a JA	29	total_swap="$(LANG=C free -m \| grep ^Swap: \| awk '{print $2}')"
c2d3ee4a JA	30	if [ "$total_swap" -lt 1000 ]; then
e81c0250	31	echo "WARNING: Discourse requires at least 2GB of swap when running with less "
51890305	32	echo "than 2GB of RAM. This system does not appear to have sufficient swap space."
c2d3ee4a	33	echo
8f70d450	34	echo "Without sufficient swap space, your site may not work properly, and future"
51890305	35	echo "upgrades of Discourse may not complete successfully."
c2d3ee4a	36	echo
ac1a2d67	37	read -p "ENTER to create a 2GB swapfile now, or Ctrl+C to exit"
8f70d450 JA	38
	39	##
	40	## derived from https://meta.discourse.org/t/13880
	41	##
	42	install -o root -g root -m 0600 /dev/null /swapfile
	43	dd if=/dev/zero of=/swapfile bs=1k count=2048k
	44	mkswap /swapfile
	45	swapon /swapfile
7c2777f9	46	echo "/swapfile swap swap auto 0 0" \| tee -a /etc/fstab
7802f679	47	sysctl -w vm.swappiness=10
7c2777f9	48	echo vm.swappiness = 10 \| tee -a /etc/sysctl.conf
8f70d450 JA	49
	50	total_swap="$(LANG=C free -m \| grep ^Swap: \| awk '{print $2}')"
	51	if [ "$total_swap" -lt 1000 ]; then
	52	echo "Failed to create swap, sorry!"
	53	exit 1
	54	fi
	55
c2d3ee4a JA	56	fi
	57	fi
	58
	59	free_disk="$(df /var \| tail -n 1 \| awk '{print $4}')"
	60	if [ "$free_disk" -lt 5000 ]; then
51890305 JA	61	echo "WARNING: Discourse requires at least 5GB free disk space. This system"
51890305 JA	62	echo "does not appear to have sufficient disk space."
c2d3ee4a	63	echo
51890305 JA	64	echo "Insufficient disk space may result in problems running your site, and"
51890305 JA	65	echo "may not even allow Discourse installation to complete successfully."
c2d3ee4a JA	66	echo
	67	echo "Please free up some space, or expand your disk, before continuing."
	68	echo
51890305 JA	69	echo "Run \`apt-get autoremove && apt-get autoclean\` to clean up unused"
51890305 JA	70	echo "packages and \`./launcher cleanup\` to remove stale Docker containers."
c2d3ee4a JA	71	exit 1
	72	fi
	73
c2d3ee4a JA	74	}
	75
	76
	77	##
	78	## If we have lots of RAM or lots of CPUs, bump up the defaults to scale better
	79	##
	80	scale_ram_and_cpu() {
	81
642b870f	82	local changelog=/tmp/changelog.$PPID
c2d3ee4a JA	83	# grab info about total system ram and physical (NOT LOGICAL!) CPU cores
	84	avail_mem="$(LANG=C free -m \| grep '^Mem:' \| awk '{print $2}')"
	85	avail_gb=$(( $avail_mem / 950 ))
	86	avail_cores=`cat /proc/cpuinfo \| grep "cpu cores" \| uniq \| awk '{print $4}'`
	87	echo "Found ${avail_gb}GB of memory and $avail_cores physical CPU cores"
	88
	89	# db_shared_buffers: 128MB for 1GB, 256MB for 2GB, or 256MB * GB, max 4096MB
	90	if [ "$avail_gb" -eq "1" ]
	91	then
	92	db_shared_buffers=128
	93	else
	94	if [ "$avail_gb" -eq "2" ]
	95	then
	96	db_shared_buffers=256
	97	else
	98	db_shared_buffers=$(( 256 * $avail_gb ))
	99	fi
	100	fi
	101	db_shared_buffers=$(( db_shared_buffers < 4096 ? db_shared_buffers : 4096 ))
	102
	103	sed -i -e "s/^ #db_shared_buffers:.*/ db_shared_buffers: \"${db_shared_buffers}MB\"/w $changelog" $config_file
	104	if [ -s $changelog ]
	105	then
	106	echo "setting db_shared_buffers = ${db_shared_buffers}MB"
	107	rm $changelog
	108	fi
	109
c2d3ee4a JA	110	# UNICORN_WORKERS: 2 * GB for 2GB or less, or 2 * CPU, max 8
	111	if [ "$avail_gb" -le "2" ]
	112	then
	113	unicorn_workers=$(( 2 * $avail_gb ))
	114	else
	115	unicorn_workers=$(( 2 * $avail_cores ))
	116	fi
	117	unicorn_workers=$(( unicorn_workers < 8 ? unicorn_workers : 8 ))
	118
	119	sed -i -e "s/^ #UNICORN_WORKERS:.*/ UNICORN_WORKERS: ${unicorn_workers}/w $changelog" $config_file
	120	if [ -s $changelog ]
	121	then
	122	echo "setting UNICORN_WORKERS = ${unicorn_workers}"
	123	rm $changelog
	124	fi
	125
	126	}
	127
	128
	129	##
	130	## standard http / https ports must not be occupied
	131	##
	132	check_ports() {
	133	check_port "80"
	134	check_port "443"
	135	echo "Ports 80 and 443 are free for use"
	136	}
	137
	138
	139	##
	140	## check a port to see if it is already in use
	141	##
	142	check_port() {
	143
	144	local valid=$(netstat -tln \| awk '{print $4}' \| grep ":${1}\$")
	145
	146	if [ -n "$valid" ]; then
	147	echo "Port ${1} appears to already be in use."
	148	echo
51890305 JA	149	echo "If you are trying to run Discourse simultaneously with another web"
	150	echo "server like Apache or nginx, you will need to bind to a different port"
	151	echo
	152	echo "See https://meta.discourse.org/t/17247"
c2d3ee4a JA	153	exit 1
	154	fi
	155	}
	156
	157	##
	158	## prompt user for typical Discourse config file values
	159	##
4b1b25e3	160	ask_user_for_config() {
c2d3ee4a	161
642b870f	162	local changelog=/tmp/changelog.$PPID
c2d3ee4a	163	local hostname="discourse.example.com"
642b870f	164	local developer_emails="me@example.com,you@example.com"
c2d3ee4a	165	local smtp_address="smtp.example.com"
7c2777f9 JA	166	local smtp_port="587"
7c2777f9 JA	167	local smtp_user_name="postmaster@discourse.example.com"
c2d3ee4a JA	168	local smtp_password=""
	169	local letsencrypt_account_email="me@example.com"
	170	local letsencrypt_status="ENTER to skip"
	171
	172	local new_value=""
	173	local config_ok="n"
	174	local update_ok="y"
	175
	176	echo ""
	177
	178	while [[ "$config_ok" == "n" ]]
	179	do
	180	if [ ! -z $hostname ]
	181	then
	182	read -p "Hostname for your Discourse? [$hostname]: " new_value
	183	if [ ! -z $new_value ]
	184	then
	185	hostname=$new_value
	186	fi
	187	fi
	188
	189	if [ ! -z $developer_emails ]
	190	then
	191	read -p "Email address for admin account? [$developer_emails]: " new_value
	192	if [ ! -z $new_value ]
	193	then
	194	developer_emails=$new_value
	195	fi
	196	fi
	197
	198	if [ ! -z $smtp_address ]
	199	then
	200	read -p "SMTP server address? [$smtp_address]: " new_value
	201	if [ ! -z $new_value ]
	202	then
	203	smtp_address=$new_value
	204	fi
	205	fi
	206
7c2777f9	207	if [ ! -z $smtp_port ]
c2d3ee4a	208	then
7c2777f9 JA	209	read -p "SMTP port? [$smtp_port]: " new_value
	210	if [ ! -z $new_value ]
	211	then
	212	smtp_port=$new_value
	213	fi
c2d3ee4a JA	214	fi
c2d3ee4a JA	215
7c2777f9 JA	216	##
	217	## automatically set correct user name based on common mail providers
	218	##
	219	if [ "$smtp_address" == "smtp.sparkpostmail.com" ]
	220	then
	221	smtp_user_name="SMTP_Injection"
	222	fi
c2d3ee4a JA	223	if [ "$smtp_address" == "smtp.sendgrid.net" ]
	224	then
	225	smtp_user_name="apikey"
	226	fi
7c2777f9 JA	227	if [ "$smtp_address" == "smtp.mailgun.org" ]
	228	then
	229	smtp_user_name="postmaster@$hostname"
	230	fi
c2d3ee4a JA	231
	232	if [ ! -z $smtp_user_name ]
	233	then
	234	read -p "SMTP user name? [$smtp_user_name]: " new_value
	235	if [ ! -z $new_value ]
	236	then
	237	smtp_user_name=$new_value
	238	fi
	239	fi
	240
	241	read -p "SMTP password? [$smtp_password]: " new_value
	242	if [ ! -z $new_value ]
	243	then
	244	smtp_password=$new_value
	245	fi
	246
	247	if [ ! -z $letsencrypt_account_email ]
	248	then
	249	read -p "Let's Encrypt account email? ($letsencrypt_status) [$letsencrypt_account_email]: " new_value
	250	if [ ! -z $new_value ]
	251	then
	252	letsencrypt_account_email=$new_value
	253	if [ "$new_value" == "off" ]
	254	then
	255	letsencrypt_status="ENTER to skip"
	256	else
	257	letsencrypt_status="Enter 'OFF' to disable."
	258	fi
	259	fi
	260	fi
	261
51890305	262	echo -e "\nDoes this look right?\n"
c2d3ee4a JA	263	echo "Hostname : $hostname"
	264	echo "Email : $developer_emails"
	265	echo "SMTP address : $smtp_address"
7c2777f9	266	echo "SMTP port : $smtp_port"
c2d3ee4a JA	267	echo "SMTP username : $smtp_user_name"
	268	echo "SMTP password : $smtp_password"
	269
	270	if [ "$letsencrypt_status" == "Enter 'OFF' to disable." ]
	271	then
	272	echo "Let's Encrypt : $letsencrypt_account_email"
	273	fi
	274
	275	echo ""
ac1a2d67	276	read -p "ENTER to continue, 'n' to try again, Ctrl+C to exit: " config_ok
c2d3ee4a JA	277	done
c2d3ee4a JA	278
013b5931	279	sed -i -e "s/^ DISCOURSE_HOSTNAME:.*/ DISCOURSE_HOSTNAME: $hostname/w $changelog" $config_file
c2d3ee4a JA	280	if [ -s $changelog ]
	281	then
	282	rm $changelog
	283	else
	284	echo "DISCOURSE_HOSTNAME change failed."
	285	update_ok="n"
	286	fi
	287
	288	sed -i -e "s/^ DISCOURSE_DEVELOPER_EMAILS:.*/ DISCOURSE_DEVELOPER_EMAILS: \'$developer_emails\'/w $changelog" $config_file
	289	if [ -s $changelog ]
	290	then
	291	rm $changelog
	292	else
	293	echo "DISCOURSE_DEVELOPER_EMAILS change failed."
	294	update_ok="n"
	295	fi
	296
013b5931	297	sed -i -e "s/^ DISCOURSE_SMTP_ADDRESS:.*/ DISCOURSE_SMTP_ADDRESS: $smtp_address/w $changelog" $config_file
c2d3ee4a JA	298	if [ -s $changelog ]
	299	then
	300	rm $changelog
	301	else
	302	echo "DISCOURSE_SMTP_ADDRESS change failed."
	303	update_ok="n"
	304	fi
	305
7c2777f9 JA	306	sed -i -e "s/^ #DISCOURSE_SMTP_PORT:.*/ DISCOURSE_SMTP_PORT: $smtp_port/w $changelog" $config_file
	307	if [ -s $changelog ]
	308	then
	309	rm $changelog
	310	else
	311	echo "DISCOURSE_SMTP_PORT change failed."
	312	update_ok="n"
	313	fi
	314
013b5931	315	sed -i -e "s/^ #DISCOURSE_SMTP_USER_NAME:.*/ DISCOURSE_SMTP_USER_NAME: $smtp_user_name/w $changelog" $config_file
c2d3ee4a JA	316	if [ -s $changelog ]
	317	then
	318	rm $changelog
	319	else
	320	echo "DISCOURSE_SMTP_USER_NAME change failed."
	321	update_ok="n"
	322	fi
	323
63b6095f	324	sed -i -e "s/^ #DISCOURSE_SMTP_PASSWORD:.*/ DISCOURSE_SMTP_PASSWORD: \"${smtp_password/\//\\/}\"/w $changelog" $config_file
c2d3ee4a JA	325	if [ -s $changelog ]
	326	then
	327	rm $changelog
	328	else
	329	echo "DISCOURSE_SMTP_PASSWORD change failed."
	330	update_ok="n"
	331	fi
	332
	333	if [ "$letsencrypt_status" != "ENTER to skip" ]
	334	then
642b870f	335	sed -i -e "s/^ #LETSENCRYPT_ACCOUNT_EMAIL:.*/ LETSENCRYPT_ACCOUNT_EMAIL: $letsencrypt_account_email/w $changelog" $config_file
c2d3ee4a JA	336	if [ -s $changelog ]
	337	then
	338	rm $changelog
	339	else
	340	echo "LETSENCRYPT_ACCOUNT_EMAIL change failed."
	341	update_ok="n"
	342	fi
	343	local src='^ #- "templates\/web.ssl.template.yml"'
	344	local dst=' \- "templates\/web.ssl.template.yml"'
	345	sed -i -e "s/$src/$dst/w $changelog" $config_file
	346	if [ -s $changelog ]
	347	then
642b870f	348	echo "web.ssl.template.yml enabled"
c2d3ee4a JA	349	else
	350	update_ok="n"
	351	echo "web.ssl.template.yml NOT ENABLED--was it on already?"
	352	fi
	353	local src='^ #- "templates\/web.letsencrypt.ssl.template.yml"'
	354	local dst=' - "templates\/web.letsencrypt.ssl.template.yml"'
	355
	356	sed -i -e "s/$src/$dst/w $changelog" $config_file
	357	if [ -s $changelog ]
	358	then
	359	echo "letsencrypt.ssl.template.yml enabled"
	360	else
	361	update_ok="n"
	362	echo "letsencrypt.ssl.template.yml NOT ENABLED -- was it on already?"
	363	fi
	364	fi
	365
	366	if [ "$update_ok" == "y" ]
	367	then
	368	echo -e "\nConfiguration file at $config_file updated successfully!\n"
	369	else
	370	echo -e "\nUnfortunately, there was an error changing $config_file\n"
	371	exit 1
	372	fi
	373	}
	374
	375	##
	376	## is our config file valid? Does it have the required fields set?
	377	##
4b1b25e3	378	validate_config() {
c2d3ee4a JA	379
	380	valid_config="y"
	381
	382	for x in DISCOURSE_SMTP_ADDRESS DISCOURSE_SMTP_USER_NAME DISCOURSE_SMTP_PASSWORD \
	383	DISCOURSE_DEVELOPER_EMAILS DISCOURSE_HOSTNAME
	384	do
	385	config_line=`grep "^ $x:" $config_file`
	386	local result=$?
	387	local default="example.com"
	388
	389	if (( result == 0 ))
	390	then
	391	if [[ $config_line = "$default" ]]
	392	then
	393	echo "$x left at incorrect default of example.com"
	394	valid_config="n"
	395	fi
	396	config_val=`echo $config_line \| awk '{print $2}'`
	397	if [ -z $config_val ]
	398	then
	399	echo "$x was left blank"
	400	valid_config="n"
	401	fi
	402	else
	403	echo "$x not present"
	404	valid_config="n"
	405	fi
	406	done
	407
	408	if [ "$valid_config" != "y" ]; then
	409	echo -e "\nSorry, these $config_file settings aren't valid -- can't continue!"
d8613c71 JA	410	echo "If you have unusual requirements, edit $config_file and then: "
d8613c71 JA	411	echo "./launcher bootstrap $app_name"
c2d3ee4a JA	412	exit 1
	413	fi
	414	}
	415
	416
	417	##
	418	## template file names
	419	##
	420	app_name=app
	421	template_path=samples/standalone.yml
	422	config_file=containers/$app_name.yml
	423	changelog=/tmp/changelog
	424
4b1b25e3 JA	425	##
	426	## Check requirements before creating a copy of a config file we won't edit
	427	##
ebdd72f3	428	check_root
642b870f JP	429	check_disk_and_memory
	430	check_ports
	431
4b1b25e3	432	##
c2d3ee4a	433	## make a copy of the simple standalone config file
4b1b25e3	434	##
c2d3ee4a JA	435	if [ -a $config_file ]
	436	then
	437	echo "The configuration file $config_file already exists!"
	438	echo ""
	439	echo "If you want to delete your old configuration file and start over:"
	440	echo "rm $config_file"
	441	exit 1
	442	else
	443	cp $template_path $config_file
	444	fi
	445
c2d3ee4a	446	scale_ram_and_cpu
4b1b25e3 JA	447	ask_user_for_config
4b1b25e3 JA	448	validate_config
c2d3ee4a	449
4b1b25e3 JA	450	##
	451	## if we reach this point without exiting, OK to proceed
	452	##
02fd0d94	453	./launcher bootstrap $app_name && ./launcher start $app_name