| 1 | #!/usr/bin/env bash |
| 2 | |
| 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 | |
| 13 | ## |
| 14 | ## Check whether a connection to HOSTNAME ($1) on PORT ($2) is possible |
| 15 | ## |
| 16 | connect_to_port () { |
| 17 | HOST="$1" |
| 18 | PORT="$2" |
| 19 | VERIFY=`date +%s | sha256sum | base64 | head -c 20` |
| 20 | echo -e "HTTP/1.1 200 OK\n\n $VERIFY" | nc -w 4 -l -p $PORT >/dev/null 2>&1 & |
| 21 | if curl --proto =http -s $HOST:$PORT --connect-timeout 3 | grep $VERIFY >/dev/null 2>&1 |
| 22 | then |
| 23 | return 0 |
| 24 | else |
| 25 | curl --proto =http -s localhost:$PORT >/dev/null 2>&1 |
| 26 | return 1 |
| 27 | fi |
| 28 | } |
| 29 | |
| 30 | check_IP_match () { |
| 31 | HOST="$1" |
| 32 | echo |
| 33 | echo Checking your domain name . . . |
| 34 | if connect_to_port $HOST 443 |
| 35 | then |
| 36 | echo |
| 37 | echo "Connection to $HOST succeeded." |
| 38 | else |
| 39 | echo WARNING:: This server does not appear to be accessible at $HOST:443. |
| 40 | echo |
| 41 | if connect_to_port $HOST 80 |
| 42 | then |
| 43 | echo A connection to port 80 succeeds, however. |
| 44 | echo This suggests that your DNS settings are correct, |
| 45 | echo but something is keeping traffic to port 443 from getting to your server. |
| 46 | echo Check your networking configuration to see that connections to port 443 are allowed. |
| 47 | else |
| 48 | echo "A connection to http://$HOST (port 80) also fails." |
| 49 | echo |
| 50 | echo This suggests that $HOST resolves to the wrong IP address |
| 51 | echo or that traffic is not being routed to your server. |
| 52 | fi |
| 53 | echo |
| 54 | echo Google: \"open ports YOUR CLOUD SERVICE\" for information for resolving this problem. |
| 55 | echo |
| 56 | echo You should probably answer \"n\" at the next prompt and disable Let\'s Encrypt. |
| 57 | echo |
| 58 | echo This test might not work for all situations, |
| 59 | echo so if you can access Discourse at http://$HOST, you might try anyway. |
| 60 | sleep 3 |
| 61 | fi |
| 62 | } |
| 63 | |
| 64 | ## |
| 65 | ## Do we have docker? |
| 66 | ## |
| 67 | check_and_install_docker () { |
| 68 | docker_path=`which docker.io || which docker` |
| 69 | if [ -z $docker_path ]; then |
| 70 | read -p "Docker not installed. Enter to install from https://get.docker.com/ or Ctrl+C to exit" |
| 71 | curl https://get.docker.com/ | sh |
| 72 | fi |
| 73 | docker_path=`which docker.io || which docker` |
| 74 | if [ -z $docker_path ]; then |
| 75 | echo Docker install failed. Quitting. |
| 76 | exit |
| 77 | fi |
| 78 | } |
| 79 | |
| 80 | ## |
| 81 | ## What are we running on |
| 82 | ## |
| 83 | check_OS() { |
| 84 | echo `uname -s` |
| 85 | } |
| 86 | |
| 87 | ## |
| 88 | ## OS X available memory |
| 89 | ## |
| 90 | check_osx_memory() { |
| 91 | echo `top -l 1 | awk '/PhysMem:/ {print $2}' | sed s/G//` |
| 92 | } |
| 93 | |
| 94 | ## |
| 95 | ## Linux available memory |
| 96 | ## |
| 97 | check_linux_memory() { |
| 98 | echo `free -g --si | awk ' /Mem:/ {print $2} '` |
| 99 | } |
| 100 | |
| 101 | ## |
| 102 | ## Do we have enough memory and disk space for Discourse? |
| 103 | ## |
| 104 | check_disk_and_memory() { |
| 105 | |
| 106 | os_type=$(check_OS) |
| 107 | avail_mem=0 |
| 108 | if [ "$os_type" == "Darwin" ]; then |
| 109 | avail_mem=$(check_osx_memory) |
| 110 | else |
| 111 | avail_mem=$(check_linux_memory) |
| 112 | fi |
| 113 | |
| 114 | if [ "$avail_mem" -lt 1 ]; then |
| 115 | echo "WARNING: Discourse requires 1GB RAM to run. This system does not appear" |
| 116 | echo "to have sufficient memory." |
| 117 | echo |
| 118 | echo "Your site may not work properly, or future upgrades of Discourse may not" |
| 119 | echo "complete successfully." |
| 120 | exit 1 |
| 121 | fi |
| 122 | |
| 123 | if [ "$avail_mem" -le 2 ]; then |
| 124 | total_swap=`free -g --si | awk ' /Swap:/ {print $2} '` |
| 125 | |
| 126 | if [ "$total_swap" -lt 2 ]; then |
| 127 | echo "WARNING: Discourse requires at least 2GB of swap when running with 2GB of RAM" |
| 128 | echo "or less. This system does not appear to have sufficient swap space." |
| 129 | echo |
| 130 | echo "Without sufficient swap space, your site may not work properly, and future" |
| 131 | echo "upgrades of Discourse may not complete successfully." |
| 132 | echo |
| 133 | echo "Ctrl+C to exit or wait 5 seconds to have a 2GB swapfile created." |
| 134 | sleep 5 |
| 135 | |
| 136 | ## |
| 137 | ## derived from https://meta.discourse.org/t/13880 |
| 138 | ## |
| 139 | install -o root -g root -m 0600 /dev/null /swapfile |
| 140 | dd if=/dev/zero of=/swapfile bs=1k count=2048k |
| 141 | mkswap /swapfile |
| 142 | swapon /swapfile |
| 143 | echo "/swapfile swap swap auto 0 0" | tee -a /etc/fstab |
| 144 | sysctl -w vm.swappiness=10 |
| 145 | echo vm.swappiness = 10 | tee -a /etc/sysctl.conf |
| 146 | |
| 147 | total_swap=`free -g --si | awk ' /Swap:/ {print $2} '` |
| 148 | if [ "$total_swap" -lt 2 ]; then |
| 149 | echo "Failed to create swap, sorry!" |
| 150 | exit 1 |
| 151 | fi |
| 152 | |
| 153 | fi |
| 154 | fi |
| 155 | |
| 156 | |
| 157 | free_disk="$(df /var | tail -n 1 | awk '{print $4}')" |
| 158 | if [ "$free_disk" -lt 5000 ]; then |
| 159 | echo "WARNING: Discourse requires at least 5GB free disk space. This system" |
| 160 | echo "does not appear to have sufficient disk space." |
| 161 | echo |
| 162 | echo "Insufficient disk space may result in problems running your site, and" |
| 163 | echo "may not even allow Discourse installation to complete successfully." |
| 164 | echo |
| 165 | echo "Please free up some space, or expand your disk, before continuing." |
| 166 | echo |
| 167 | echo "Run \`apt-get autoremove && apt-get autoclean\` to clean up unused" |
| 168 | echo "packages and \`./launcher cleanup\` to remove stale Docker containers." |
| 169 | exit 1 |
| 170 | fi |
| 171 | |
| 172 | } |
| 173 | |
| 174 | |
| 175 | ## |
| 176 | ## If we have lots of RAM or lots of CPUs, bump up the defaults to scale better |
| 177 | ## |
| 178 | scale_ram_and_cpu() { |
| 179 | |
| 180 | local changelog=/tmp/changelog.$PPID |
| 181 | # grab info about total system ram and physical (NOT LOGICAL!) CPU cores |
| 182 | avail_gb=0 |
| 183 | avail_cores=0 |
| 184 | os_type=$(check_OS) |
| 185 | if [ "$os_type" == "Darwin" ]; then |
| 186 | avail_gb=$(check_osx_memory) |
| 187 | avail_cores=`sysctl hw.ncpu | awk '/hw.ncpu:/ {print $2}'` |
| 188 | else |
| 189 | avail_gb=$(check_linux_memory) |
| 190 | avail_cores=$((`awk '/cpu cores/ {print $4;exit}' /proc/cpuinfo`*`sort /proc/cpuinfo | uniq | grep -c "physical id"`)) |
| 191 | fi |
| 192 | echo "Found ${avail_gb}GB of memory and $avail_cores physical CPU cores" |
| 193 | |
| 194 | # db_shared_buffers: 128MB for 1GB, 256MB for 2GB, or 256MB * GB, max 4096MB |
| 195 | if [ "$avail_gb" -eq "1" ] |
| 196 | then |
| 197 | db_shared_buffers=128 |
| 198 | else |
| 199 | if [ "$avail_gb" -eq "2" ] |
| 200 | then |
| 201 | db_shared_buffers=256 |
| 202 | else |
| 203 | db_shared_buffers=$(( 256 * $avail_gb )) |
| 204 | fi |
| 205 | fi |
| 206 | db_shared_buffers=$(( db_shared_buffers < 4096 ? db_shared_buffers : 4096 )) |
| 207 | |
| 208 | sed -i -e "s/^ #\?db_shared_buffers:.*/ db_shared_buffers: \"${db_shared_buffers}MB\"/w $changelog" $config_file |
| 209 | if [ -s $changelog ] |
| 210 | then |
| 211 | echo "setting db_shared_buffers = ${db_shared_buffers}MB" |
| 212 | rm $changelog |
| 213 | fi |
| 214 | |
| 215 | # UNICORN_WORKERS: 2 * GB for 2GB or less, or 2 * CPU, max 8 |
| 216 | if [ "$avail_gb" -le "2" ] |
| 217 | then |
| 218 | unicorn_workers=$(( 2 * $avail_gb )) |
| 219 | else |
| 220 | unicorn_workers=$(( 2 * $avail_cores )) |
| 221 | fi |
| 222 | unicorn_workers=$(( unicorn_workers < 8 ? unicorn_workers : 8 )) |
| 223 | |
| 224 | sed -i -e "s/^ #\?UNICORN_WORKERS:.*/ UNICORN_WORKERS: ${unicorn_workers}/w $changelog" $config_file |
| 225 | if [ -s $changelog ] |
| 226 | then |
| 227 | echo "setting UNICORN_WORKERS = ${unicorn_workers}" |
| 228 | rm $changelog |
| 229 | fi |
| 230 | |
| 231 | echo $config_file memory parameters updated. |
| 232 | } |
| 233 | |
| 234 | |
| 235 | ## |
| 236 | ## standard http / https ports must not be occupied |
| 237 | ## |
| 238 | check_ports() { |
| 239 | check_port "80" |
| 240 | check_port "443" |
| 241 | echo "Ports 80 and 443 are free for use" |
| 242 | } |
| 243 | |
| 244 | |
| 245 | ## |
| 246 | ## check a port to see if it is already in use |
| 247 | ## |
| 248 | check_port() { |
| 249 | |
| 250 | local valid=$(netstat -tln | awk '{print $4}' | grep ":${1}\$") |
| 251 | |
| 252 | if [ -n "$valid" ]; then |
| 253 | echo "Port ${1} appears to already be in use." |
| 254 | echo |
| 255 | echo "If you are trying to run Discourse simultaneously with another web" |
| 256 | echo "server like Apache or nginx, you will need to bind to a different port" |
| 257 | echo |
| 258 | echo "See https://meta.discourse.org/t/17247" |
| 259 | echo |
| 260 | echo "If you are reconfiguring an already-configured Discourse, use " |
| 261 | echo |
| 262 | echo "./launcher stop app" |
| 263 | echo |
| 264 | echo "to stop Discourse before you reconfigure it and try again." |
| 265 | exit 1 |
| 266 | fi |
| 267 | } |
| 268 | |
| 269 | ## |
| 270 | ## read a variable from the config file |
| 271 | ## |
| 272 | read_config() { |
| 273 | |
| 274 | config_line=`egrep "^ #?$1:" $config_file` |
| 275 | read_config_result=`echo $config_line | awk '{print $2}'` |
| 276 | read_config_result=`echo $read_config_result | sed "s/^\([\"']\)\(.*\)\1\$/\2/g"` |
| 277 | } |
| 278 | |
| 279 | |
| 280 | |
| 281 | ## |
| 282 | ## prompt user for typical Discourse config file values |
| 283 | ## |
| 284 | ask_user_for_config() { |
| 285 | |
| 286 | # NOTE: Defaults now come from standalone.yml |
| 287 | |
| 288 | local changelog=/tmp/changelog.$PPID |
| 289 | read_config "DISCOURSE_SMTP_ADDRESS" |
| 290 | local smtp_address=$read_config_result |
| 291 | # NOTE: if there are spaces between emails, this breaks, but a human should be paying attention |
| 292 | read_config "DISCOURSE_DEVELOPER_EMAILS" |
| 293 | local developer_emails=$read_config_result |
| 294 | read_config "DISCOURSE_SMTP_PASSWORD" |
| 295 | local smtp_password=$read_config_result |
| 296 | read_config "DISCOURSE_SMTP_PORT" |
| 297 | local smtp_port=$read_config_result |
| 298 | read_config "DISCOURSE_SMTP_USER_NAME" |
| 299 | local smtp_user_name=$read_config_result |
| 300 | if [ "$smtp_password" = "pa$$word" ] |
| 301 | then |
| 302 | smtp_password = "" |
| 303 | fi |
| 304 | read_config "LETSENCRYPT_ACCOUNT_EMAIL" |
| 305 | local letsencrypt_account_email=$read_config_result |
| 306 | if [ -z $letsencrypt_account_email ] |
| 307 | then |
| 308 | letsencrypt_account_email="me@example.com" |
| 309 | fi |
| 310 | if [ "$letsencrypt_account_email" = "me@example.com" ] |
| 311 | then |
| 312 | local letsencrypt_status="ENTER to skip" |
| 313 | else |
| 314 | local letsencrypt_status="Enter 'OFF' to disable." |
| 315 | fi |
| 316 | |
| 317 | read_config "DISCOURSE_HOSTNAME" |
| 318 | hostname=$read_config_result |
| 319 | |
| 320 | local new_value="" |
| 321 | local config_ok="n" |
| 322 | local update_ok="y" |
| 323 | |
| 324 | echo "" |
| 325 | |
| 326 | while [[ "$config_ok" == "n" ]] |
| 327 | do |
| 328 | if [ ! -z $hostname ] |
| 329 | then |
| 330 | read -p "Hostname for your Discourse? [$hostname]: " new_value |
| 331 | if [ ! -z $new_value ] |
| 332 | then |
| 333 | hostname=$new_value |
| 334 | fi |
| 335 | fi |
| 336 | |
| 337 | if [ ! -z $developer_emails ] |
| 338 | then |
| 339 | read -p "Email address for admin account(s)? [$developer_emails]: " new_value |
| 340 | if [ ! -z $new_value ] |
| 341 | then |
| 342 | developer_emails=$new_value |
| 343 | fi |
| 344 | fi |
| 345 | |
| 346 | if [ ! -z $smtp_address ] |
| 347 | then |
| 348 | read -p "SMTP server address? [$smtp_address]: " new_value |
| 349 | if [ ! -z $new_value ] |
| 350 | then |
| 351 | smtp_address=$new_value |
| 352 | fi |
| 353 | fi |
| 354 | |
| 355 | if [ ! -z $smtp_port ] |
| 356 | then |
| 357 | read -p "SMTP port? [$smtp_port]: " new_value |
| 358 | if [ ! -z $new_value ] |
| 359 | then |
| 360 | smtp_port=$new_value |
| 361 | fi |
| 362 | fi |
| 363 | |
| 364 | ## |
| 365 | ## automatically set correct user name based on common mail providers |
| 366 | ## |
| 367 | if [ "$smtp_address" == "smtp.sparkpostmail.com" ] |
| 368 | then |
| 369 | smtp_user_name="SMTP_Injection" |
| 370 | fi |
| 371 | if [ "$smtp_address" == "smtp.sendgrid.net" ] |
| 372 | then |
| 373 | smtp_user_name="apikey" |
| 374 | fi |
| 375 | if [ "$smtp_address" == "smtp.mailgun.org" ] |
| 376 | then |
| 377 | smtp_user_name="postmaster@$hostname" |
| 378 | fi |
| 379 | |
| 380 | if [ ! -z $smtp_user_name ] |
| 381 | then |
| 382 | read -p "SMTP user name? [$smtp_user_name]: " new_value |
| 383 | if [ ! -z $new_value ] |
| 384 | then |
| 385 | smtp_user_name=$new_value |
| 386 | fi |
| 387 | fi |
| 388 | |
| 389 | read -p "SMTP password? [$smtp_password]: " new_value |
| 390 | if [ ! -z $new_value ] |
| 391 | then |
| 392 | smtp_password=$new_value |
| 393 | fi |
| 394 | |
| 395 | if [ ! -z $letsencrypt_account_email ] |
| 396 | then |
| 397 | read -p "Let's Encrypt account email? ($letsencrypt_status) [$letsencrypt_account_email]: " new_value |
| 398 | if [ ! -z $new_value ] |
| 399 | then |
| 400 | letsencrypt_account_email=$new_value |
| 401 | if [ "${new_value,,}" = "off" ] |
| 402 | then |
| 403 | letsencrypt_status="ENTER to skip" |
| 404 | else |
| 405 | letsencrypt_status="Enter 'OFF' to disable." |
| 406 | fi |
| 407 | fi |
| 408 | fi |
| 409 | |
| 410 | if [ "$letsencrypt_status" == "Enter 'OFF' to disable." ] |
| 411 | then |
| 412 | check_IP_match $hostname |
| 413 | fi |
| 414 | |
| 415 | echo -e "\nDoes this look right?\n" |
| 416 | echo "Hostname : $hostname" |
| 417 | echo "Email : $developer_emails" |
| 418 | echo "SMTP address : $smtp_address" |
| 419 | echo "SMTP port : $smtp_port" |
| 420 | echo "SMTP username : $smtp_user_name" |
| 421 | echo "SMTP password : $smtp_password" |
| 422 | |
| 423 | if [ "$letsencrypt_status" == "Enter 'OFF' to disable." ] |
| 424 | then |
| 425 | echo "Let's Encrypt : $letsencrypt_account_email" |
| 426 | fi |
| 427 | |
| 428 | |
| 429 | echo "" |
| 430 | read -p "ENTER to continue, 'n' to try again, Ctrl+C to exit: " config_ok |
| 431 | done |
| 432 | |
| 433 | sed -i -e "s/^ DISCOURSE_HOSTNAME:.*/ DISCOURSE_HOSTNAME: $hostname/w $changelog" $config_file |
| 434 | if [ -s $changelog ] |
| 435 | then |
| 436 | rm $changelog |
| 437 | else |
| 438 | echo "DISCOURSE_HOSTNAME change failed." |
| 439 | update_ok="n" |
| 440 | fi |
| 441 | |
| 442 | sed -i -e "s/^ DISCOURSE_DEVELOPER_EMAILS:.*/ DISCOURSE_DEVELOPER_EMAILS: \'$developer_emails\'/w $changelog" $config_file |
| 443 | if [ -s $changelog ] |
| 444 | then |
| 445 | rm $changelog |
| 446 | else |
| 447 | echo "DISCOURSE_DEVELOPER_EMAILS change failed." |
| 448 | update_ok="n" |
| 449 | fi |
| 450 | |
| 451 | sed -i -e "s/^ DISCOURSE_SMTP_ADDRESS:.*/ DISCOURSE_SMTP_ADDRESS: $smtp_address/w $changelog" $config_file |
| 452 | if [ -s $changelog ] |
| 453 | then |
| 454 | rm $changelog |
| 455 | else |
| 456 | echo "DISCOURSE_SMTP_ADDRESS change failed." |
| 457 | update_ok="n" |
| 458 | fi |
| 459 | |
| 460 | sed -i -e "s/^ #\?DISCOURSE_SMTP_PORT:.*/ DISCOURSE_SMTP_PORT: $smtp_port/w $changelog" $config_file |
| 461 | if [ -s $changelog ] |
| 462 | then |
| 463 | rm $changelog |
| 464 | else |
| 465 | echo "DISCOURSE_SMTP_PORT change failed." |
| 466 | update_ok="n" |
| 467 | fi |
| 468 | |
| 469 | sed -i -e "s/^ #\?DISCOURSE_SMTP_USER_NAME:.*/ DISCOURSE_SMTP_USER_NAME: $smtp_user_name/w $changelog" $config_file |
| 470 | if [ -s $changelog ] |
| 471 | then |
| 472 | rm $changelog |
| 473 | else |
| 474 | echo "DISCOURSE_SMTP_USER_NAME change failed." |
| 475 | update_ok="n" |
| 476 | fi |
| 477 | |
| 478 | sed -i -e "s/^ #\?DISCOURSE_SMTP_PASSWORD:.*/ DISCOURSE_SMTP_PASSWORD: \"${smtp_password/\//\\/}\"/w $changelog" $config_file |
| 479 | if [ -s $changelog ] |
| 480 | then |
| 481 | rm $changelog |
| 482 | else |
| 483 | echo "DISCOURSE_SMTP_PASSWORD change failed." |
| 484 | update_ok="n" |
| 485 | fi |
| 486 | |
| 487 | if [ "$letsencrypt_status" = "ENTER to skip" ] |
| 488 | then |
| 489 | local src='^ #\?- "templates\/web.ssl.template.yml"' |
| 490 | local dst=' #\- "templates\/web.ssl.template.yml"' |
| 491 | sed -i -e "s/$src/$dst/w $changelog" $config_file |
| 492 | if [ ! -s $changelog ] |
| 493 | then |
| 494 | update_ok="n" |
| 495 | echo "web.ssl.template.yml NOT DISABLED--Are you using a non-standard template?" |
| 496 | fi |
| 497 | local src='^ #\?- "templates\/web.letsencrypt.ssl.template.yml"' |
| 498 | local dst=' #- "templates\/web.letsencrypt.ssl.template.yml"' |
| 499 | |
| 500 | sed -i -e "s/$src/$dst/w $changelog" $config_file |
| 501 | if [ ! -s $changelog ] |
| 502 | then |
| 503 | update_ok="n" |
| 504 | echo "web.ssl.template.yml NOT DISABLED--Are you using a non-standard template?" |
| 505 | fi |
| 506 | else # enable let's encrypt |
| 507 | echo "Let's Encrypt will be enabled for $letsencrypt_account_email" |
| 508 | sed -i -e "s/^ #\?LETSENCRYPT_ACCOUNT_EMAIL:.*/ LETSENCRYPT_ACCOUNT_EMAIL: $letsencrypt_account_email/w $changelog" $config_file |
| 509 | if [ -s $changelog ] |
| 510 | then |
| 511 | rm $changelog |
| 512 | else |
| 513 | echo "LETSENCRYPT_ACCOUNT_EMAIL change failed." |
| 514 | update_ok="n" |
| 515 | fi |
| 516 | local src='^ #\?- "templates\/web.ssl.template.yml"' |
| 517 | local dst=' \- "templates\/web.ssl.template.yml"' |
| 518 | sed -i -e "s/$src/$dst/w $changelog" $config_file |
| 519 | if [ -s $changelog ] |
| 520 | then |
| 521 | echo "web.ssl.template.yml enabled" |
| 522 | else |
| 523 | update_ok="n" |
| 524 | echo "web.ssl.template.yml NOT ENABLED--was it on already?" |
| 525 | fi |
| 526 | local src='^ #\?- "templates\/web.letsencrypt.ssl.template.yml"' |
| 527 | local dst=' - "templates\/web.letsencrypt.ssl.template.yml"' |
| 528 | |
| 529 | sed -i -e "s/$src/$dst/w $changelog" $config_file |
| 530 | if [ -s $changelog ] |
| 531 | then |
| 532 | echo "letsencrypt.ssl.template.yml enabled" |
| 533 | else |
| 534 | update_ok="n" |
| 535 | echo "letsencrypt.ssl.template.yml NOT ENABLED -- was it on already?" |
| 536 | fi |
| 537 | fi |
| 538 | |
| 539 | if [ "$update_ok" == "y" ] |
| 540 | then |
| 541 | echo -e "\nConfiguration file at $config_file updated successfully!\n" |
| 542 | else |
| 543 | echo -e "\nUnfortunately, there was an error changing $config_file\n" |
| 544 | echo -d "This may happen if you have made unexpected changes." |
| 545 | exit 1 |
| 546 | fi |
| 547 | } |
| 548 | |
| 549 | ## |
| 550 | ## is our config file valid? Does it have the required fields set? |
| 551 | ## |
| 552 | validate_config() { |
| 553 | |
| 554 | valid_config="y" |
| 555 | |
| 556 | for x in DISCOURSE_SMTP_ADDRESS DISCOURSE_SMTP_USER_NAME DISCOURSE_SMTP_PASSWORD \ |
| 557 | DISCOURSE_DEVELOPER_EMAILS DISCOURSE_HOSTNAME |
| 558 | do |
| 559 | config_line=`grep "^ $x:" $config_file` |
| 560 | local result=$? |
| 561 | local default="example.com" |
| 562 | |
| 563 | if (( result == 0 )) |
| 564 | then |
| 565 | if [[ "$config_line" = *"$default"* ]] |
| 566 | then |
| 567 | echo "$x left at incorrect default of example.com" |
| 568 | valid_config="n" |
| 569 | fi |
| 570 | config_val=`echo $config_line | awk '{print $2}'` |
| 571 | if [ -z $config_val ] |
| 572 | then |
| 573 | echo "$x was left blank" |
| 574 | valid_config="n" |
| 575 | fi |
| 576 | else |
| 577 | echo "$x not present" |
| 578 | valid_config="n" |
| 579 | fi |
| 580 | done |
| 581 | |
| 582 | if [ "$valid_config" != "y" ]; then |
| 583 | echo -e "\nSorry, these $config_file settings aren't valid -- can't continue!" |
| 584 | echo "If you have unusual requirements, edit $config_file and then: " |
| 585 | echo "./launcher bootstrap $app_name" |
| 586 | exit 1 |
| 587 | fi |
| 588 | } |
| 589 | |
| 590 | |
| 591 | ## |
| 592 | ## template file names |
| 593 | ## |
| 594 | app_name=app |
| 595 | template_path=samples/standalone.yml |
| 596 | config_file=containers/$app_name.yml |
| 597 | changelog=/tmp/changelog |
| 598 | |
| 599 | ## |
| 600 | ## Check requirements before creating a copy of a config file we won't edit |
| 601 | ## |
| 602 | check_root |
| 603 | check_and_install_docker |
| 604 | check_disk_and_memory |
| 605 | |
| 606 | ## |
| 607 | ## make a copy of the simple standalone config file |
| 608 | ## |
| 609 | if [ -a $config_file ] |
| 610 | then |
| 611 | echo "The configuration file $config_file already exists." |
| 612 | echo |
| 613 | echo ". . . reconfiguring . . ." |
| 614 | echo |
| 615 | echo |
| 616 | DATE=`date +"%Y-%m-%d-%H%M%S"` |
| 617 | BACKUP=$app_name.yml.$DATE.bak |
| 618 | echo Saving old file as $BACKUP |
| 619 | cp $config_file containers/$BACKUP |
| 620 | echo "Stopping existing container in 5 seconds or Control-C to cancel." |
| 621 | sleep 5 |
| 622 | ./launcher stop app |
| 623 | echo |
| 624 | else |
| 625 | check_ports # don't need to check ports if Discourse was already installed |
| 626 | cp $template_path $config_file |
| 627 | fi |
| 628 | |
| 629 | scale_ram_and_cpu |
| 630 | ask_user_for_config |
| 631 | validate_config |
| 632 | |
| 633 | ## |
| 634 | ## if we reach this point without exiting, OK to proceed |
| 635 | ## rebuild won't fail if there's nothing to rebuild and does the restart |
| 636 | ## |
| 637 | echo "Updates successful. Rebuilding in 5 seconds." |
| 638 | sleep 5 # Just a chance to ^C in case they were too fast on the draw |
| 639 | time ./launcher rebuild $app_name |