[discourse_docker.git] / discourse-doctor

#!/usr/bin/env bash
LOG_FILE="/tmp/discourse-debug.txt"
WORKING_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

log() {
  if [ "$1" == "-e" ]
  then
    shift
    echo -e "$*" | tee -a "$LOG_FILE"
  else
    echo "$*" | tee -a "$LOG_FILE"
  fi
}

check_root() {
  if [[ $EUID -ne 0 ]]; then
    log "This script must be run as root. Please sudo or log in as root first." 1>&2
    exit 1
  fi
}

##
## Check whether a connection to HOSTNAME ($1) on PORT ($2) is possible
##
connect_to_port() {
  HOST="$1"
  PORT="$2"
  VERIFY=$(date +%s | sha256sum | base64 | head -c 20)
  echo -e "HTTP/1.1 200 OK\n\n $VERIFY" | nc -w 4 -l -p $PORT >/dev/null 2>&1 &
  if curl --proto =http -s $HOST:$PORT --connect-timeout 3 | grep $VERIFY >/dev/null 2>&1 &
  then
    return 0
  else
    return 1
  fi
}

check_ip_match() {
  HOST="$1"
  log
  log Checking your domain name . . .
  if connect_to_port $HOST 443
  then
    log
    log "Connection to $HOST succeeded."
  else
    log WARNING:: This server does not appear to be accessible at $HOST:443.
    log
    if connect_to_port $HOST 80
    then
	log A connection to port 80 succeeds, however.
	log This suggests that your DNS settings are correct,
	log but something is keeping traffic to port 443 from getting to your server.
	log Check your networking configuration to see that connections to port 443 are allowed.
    else
      log "A connection to http://$HOST (port 80) also fails."
      log
      log This suggests that $HOST resolves to the wrong IP address
      log or that traffic is not being routed to your server.
    fi
    log
    log Google: \"open ports YOUR CLOUD SERVICE\" for information for resolving this problem.
    log
    log This test might not work for all situations,
    log so if you can access Discourse at http://$HOST, this might not indicate a problem.
    sleep 3
  fi
}

check_docker_is_installed() {
  log -e "\n==================== DOCKER INFO ===================="
  docker_path="$(which docker.io || which docker)"
  if [ -z $docker_path ]; then
    log "Docker is not installed. Have you installed Discourse at all?"
    log "Perhaps you're looking for ./discourse-setup ."
    log "There is no point in continuing."
    exit
  else
    log -e "DOCKER VERSION: $(docker --version)"
    log -e "\nDOCKER PROCESSES (docker ps -a)\n\n$(sudo docker ps -a)\n"
  fi
}

get_OS() {
  log -e "OS: $(uname -s)"
}

check_disk_and_memory() {
  log -e "\n\n==================== MEMORY INFORMATION ===================="
  os_type=$(get_OS)
  if [ "$os_type" == "Darwin" ]; then
    log -e "RAM: $( free -m | awk '/Mem:/ {print $2}' ) \n"
  else
    log -e "RAM (MB): $( free -m --si | awk ' /Mem:/  {print $2} ')\n"
  fi
  log "$(free -m)"

  log -e "\n==================== DISK SPACE CHECK ===================="
  log "---------- OS Disk Space ----------"
  log "$(df -h / /var/discourse /var/lib/docker /var/lib/docker/* | uniq)"

  if [ "$version" != "NOT FOUND" ]
  then
    log
    log "---------- Container Disk Space ----------"
    log "$(sudo docker exec -w /var/www/discourse -i $app_name df -h / /shared/ /shared/postgres_data /shared/redis_data /shared/backups /var/log | uniq)"
  fi

  log -e "\n==================== DISK INFORMATION ===================="
  log "$( fdisk -l )"
  log -e "\n==================== END DISK INFORMATION ===================="

  free_disk="$(df /var | tail -n 1 | awk '{print $4}')"
  # Arguably ./launcher is doing this so discourse-doctor does not need to . . .
  if [ "$free_disk" -lt 5000 ]; then
  log "\n\n==================== DISK SPACE PROBLEM ===================="
    log  "WARNING: you appear to have very low disk space."
    log "This could be the cause of problems running your site."
    log "Please free up some space, or expand your disk, before continuing."
    log
    log "Run \'apt-get autoremove && apt-get autoclean\' to clean up unused"
    log "packages and \'./launcher cleanup\' to remove stale Docker containers."
    exit 1
  fi
}

get_discourse_version() {
  version=""
  version=$(wget -q --timeout=3 https://$VERSION_HOSTNAME/privacy  -O -|grep generator|head -1 |cut -d "=" -f 3|cut -d '-' -f 1 |cut -d '"' -f 2)  &> /dev/null
  if ! echo $version | grep Discourse
  then
    version=$(wget -q --timeout=3 http://$VERSION_HOSTNAME/privacy  -O -|grep generator|head -1 |cut -d "=" -f 3|cut -d '-' -f 1 |cut -d '"' -f 2) &> /dev/null
  fi
  if [ -z "$version" ]
  then
    version="NOT FOUND"
  fi
  log "Discourse version at $VERSION_HOSTNAME: $version"
}

check_if_hostname_resolves_here() {
  log "========================================"
  VERSION_HOSTNAME=$DISCOURSE_HOSTNAME
  get_discourse_version
  DISCOURSE_VERSION="$version"
  VERSION_HOSTNAME=localhost
  get_discourse_version
  LOCALHOST_VERSION="$version"
  if [ "$DISCOURSE_VERSION" != "$LOCALHOST_VERSION" ]
  then
    log "==================== DNS PROBLEM ===================="
    log "This server reports $LOCALHOST_VERSION, but $DISCOURSE_HOSTNAME reports $DISCOURSE_VERSION."
    log "This suggests that you have a DNS problem or that an intermediate proxy is to blame."
    log "If you are using Cloudflare, or a CDN, it may be improperly configured."
  fi
}

##
## get discourse configuration values from YML file
##
get_discourse_config() {
  log -e "\n==================== YML SETTINGS ===================="
  read_config "DISCOURSE_HOSTNAME"
  DISCOURSE_HOSTNAME=$read_config_result
  log DISCOURSE_HOSTNAME=$DISCOURSE_HOSTNAME
  read_config "DISCOURSE_SMTP_ADDRESS"
  SMTP_ADDRESS=$read_config_result
  log SMTP_ADDRESS=$SMTP_ADDRESS
  read_config "DISCOURSE_DEVELOPER_EMAILS"
  DEVELOPER_EMAILS=$read_config_result
  log DEVELOPER_EMAILS=$DEVELOPER_EMAILS
  read_config "DISCOURSE_SMTP_PASSWORD"
  SMTP_PASSWORD=$read_config_result
  log SMTP_PASSWORD=$read_config_result
  read_config "DISCOURSE_SMTP_PORT"
  SMTP_PORT=$read_config_result
  log SMTP_PORT=$read_config_result
  read_config "DISCOURSE_SMTP_USER_NAME"
  SMTP_USER_NAME=$read_config_result
  log SMTP_USER_NAME=$read_config_result
  read_config "LETSENCRYPT_ACCOUNT_EMAIL"
  letsencrypt_account_email=$read_config_result
  log "LETSENCRYPT_ACCOUNT_EMAIL=$letsencrypt_account_email"
}

check_plugins() {
  log -e "\n\n==================== PLUGINS ===================="
  log -e "$(grep 'git clone' containers/$app_name.yml)"
  grep git containers/$app_name.yml > /tmp/$PPID.grep

  if grep -cv "github.com/discourse" /tmp/$PPID.grep > /dev/null
  then
    log -e "\nWARNING:"
    log You have what appear to be non-official plugins.
    log "If you are having trouble, you should disable them and try rebuilding again."
  else
    log -e "\nNo non-official plugins detected."
  fi
  log -e "\nSee https://github.com/discourse/discourse/blob/master/lib/plugin/metadata.rb for the official list.\n"
}

dump_yaml() {
  log -e "\n\n==================== YML DUMP ===================="
  log Dumping $app_name.yml
  log -e "\n\n"
}

##
## read a variable from the config file and stick it in read_config_result
##
read_config() {
  config_line=$(egrep "^  #?$1:" $web_file)
  read_config_result=$(echo $config_line | awk  -F ":" '{print $2}')
  read_config_result=$(echo $read_config_result | sed "s/^\([\"']\)\(.*\)\1\$/\2/g")
}

##
## call rake emails:test inside the container
##
check_email() {
  log -e "\n==================== MAIL TEST ===================="
  log "For a robust test, get an address from http://www.mail-tester.com/"
  echo "Or just send a test message to yourself."
  EMAIL=$(echo $DEVELOPER_EMAILS |cut -d , -f 1)
  read -p "Email address for mail test? ('n' to skip) [$EMAIL]: " new_value
  if [ ! -z "$new_value" ]
  then
    EMAIL="$new_value"
  fi
  if [ "$new_value" != "n" ] && [ "$new_value" != "N" ]
  then
    log "Sending mail to $EMAIL. . . "
    log "$(sudo docker exec -w /var/www/discourse -i $app_name rake emails:test[$EMAIL])"
  else
    log "Mail test skipped."
  fi
}

get_yml_file() {
  app_name=""
  if [ -f containers/app.yml ]
  then
    app_name="app"
    web_file=containers/$app_name.yml
    log "Found $web_file"
  elif [ -f containers/web_only.yml ]
  then
    log "YML=web_only.yml"
    app_name="web_only"
    web_file=containers/$app_name.yml
    log "Found $web_file"
  else
    log "Can't find app.yml or web_only.yml."
    log "Giving up."
    exit
  fi
}

check_docker() {
  docker ps | tail -n +2 > /tmp/$UUID-docker.txt

  if grep $app_name /tmp/$UUID-docker.txt
  then
    log -e "\nDiscourse container $app_name is running"
  else
    log "==================== SERIOUS PROBLEM!!!! ===================="
    log "$app_name not running!"
    log "Attempting to rebuild"
    log "==================== REBUILD LOG ===================="
    # too hard to pass STDERR of ./launcher to log()
    ./launcher rebuild $app_name 2>&1 | tee -a $LOG_FILE
    log "==================== END REBUILD LOG ===================="
    docker ps | tail -n +2 > /tmp/$UUID-docker.txt
    if grep $app_name /tmp/$UUID-docker.txt
    then
      log -e "\nDiscourse container $app_name is now running."
      log ". . . waiting 30 seconds for container to crank up. . . "
      sleep 30
    else
      log "Failed to rebuild $app_name."
      # check_ip_match checks if curl to $DISCOURSE_HOSTNAME gets to this server
      # It works only if ports 80 and 443 are free
      check_ip_match $DISCOURSE_HOSTNAME
      log "You should probably remove any non-standard plugins and rebuild."
      NO_CONTAINER='y'
      log "Attempting to restart existing container. . . "
      ./launcher start $app_name 2>&1 | tee -a $LOG_FILE
      docker ps | tail -n +2 > /tmp/$UUID-docker.txt
      if grep $app_name /tmp/$UUID-docker.txt
      then
        log "Restarted the container."
        NO_CONTAINER='n'
      else
        log "Failed to restart the container."
      fi
    fi
  fi
}

##
## redact passwords and email addresses from log file
##
clean_up_log_file() {
  for VAR
  in SMTP_PASSWORD LETSENCRYPT_ACCOUNT_EMAIL DEVELOPER_EMAILS DISCOURSE_DB_PASSWORD 'Sending mail to'
  do
    echo "Replacing: $VAR"
    sed -i -e 's/'"$VAR"'\([=: ]\)\S*/'"$VAR"'\1REDACTED /g' $LOG_FILE
  done
}

print_done() {
  log
  log "==================== DONE! ===================="
  DOCTOR_FILE=$(date +%s | sha256sum | base64 | head -c 20).txt

  if [ $app_name == 'app' ] && [ "$NO_CONTAINER" != 'y' ]
  then
    read -p "Would you like to serve a publicly available version of this file? (Y/n)" serve
    if [ $serve == 'Y' ]
    then
        cp $LOG_FILE shared/standalone/log/var-log/$DOCTOR_FILE
        sudo docker exec -w /var/www/discourse -i $app_name cp /var/log/$DOCTOR_FILE  public
        log "The output of this program may be available at http://$DISCOURSE_HOSTNAME/$DOCTOR_FILE"
        log "You should inspect that file carefully before sharing the URL."
    else
        log "Publicly available log not generated."
    fi
  fi
  # The following is not in the web log file since it was copied above, which seems corect
  log
  log "You can examine the output of this script with "
  log "LESS=-Ri less $LOG_FILE"
  log
  log "BUT FIRST, make sure that you know the first three commands below!!!"
  log
  log "Commands to know when viewing the file with the above command (called 'less'): "
  log "q              -- quit"
  log "/error<ENTER>  -- search for the word 'error'"
  log "n              -- search for the next occurrence"
  log "g              -- go to the beginning of the file"
  log "f              -- go forward a page"
  log "b              -- go back a page"
  log "G              -- go to the end of the file"
}

initialize_log_file() {
  rm -f $LOG_FILE
  touch $LOG_FILE
  log DISCOURSE DOCTOR $(date)
  log -e "OS: $(uname -a)\n\n"
}

##
## END FUNCTION DECLARATION
##

check_root
cd $WORKING_DIR || exit
initialize_log_file
get_yml_file
get_discourse_config
check_docker_is_installed
check_docker
check_plugins
check_if_hostname_resolves_here
check_disk_and_memory
check_email
clean_up_log_file
print_done
Commit	Line	Data
24b887f2 JP	1	#!/usr/bin/env bash
	2	LOG_FILE="/tmp/discourse-debug.txt"
	3	WORKING_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
	4
	5	log() {
	6	if [ "$1" == "-e" ]
	7	then
	8	shift
	9	echo -e "$*" \| tee -a "$LOG_FILE"
	10	else
	11	echo "$*" \| tee -a "$LOG_FILE"
	12	fi
	13	}
	14
	15	check_root() {
	16	if [[ $EUID -ne 0 ]]; then
	17	log "This script must be run as root. Please sudo or log in as root first." 1>&2
	18	exit 1
	19	fi
	20	}
	21
	22	##
	23	## Check whether a connection to HOSTNAME ($1) on PORT ($2) is possible
	24	##
	25	connect_to_port() {
	26	HOST="$1"
	27	PORT="$2"
	28	VERIFY=$(date +%s \| sha256sum \| base64 \| head -c 20)
	29	echo -e "HTTP/1.1 200 OK\n\n $VERIFY" \| nc -w 4 -l -p $PORT >/dev/null 2>&1 &
	30	if curl --proto =http -s $HOST:$PORT --connect-timeout 3 \| grep $VERIFY >/dev/null 2>&1 &
	31	then
	32	return 0
	33	else
	34	return 1
	35	fi
	36	}
	37
	38	check_ip_match() {
	39	HOST="$1"
	40	log
	41	log Checking your domain name . . .
	42	if connect_to_port $HOST 443
	43	then
	44	log
	45	log "Connection to $HOST succeeded."
	46	else
	47	log WARNING:: This server does not appear to be accessible at $HOST:443.
	48	log
	49	if connect_to_port $HOST 80
	50	then
	51	log A connection to port 80 succeeds, however.
	52	log This suggests that your DNS settings are correct,
	53	log but something is keeping traffic to port 443 from getting to your server.
	54	log Check your networking configuration to see that connections to port 443 are allowed.
	55	else
	56	log "A connection to http://$HOST (port 80) also fails."
	57	log
	58	log This suggests that $HOST resolves to the wrong IP address
	59	log or that traffic is not being routed to your server.
	60	fi
	61	log
	62	log Google: \"open ports YOUR CLOUD SERVICE\" for information for resolving this problem.
	63	log
	64	log This test might not work for all situations,
65	log so if you can access Discourse at http://$HOST, this might not indicate a problem.
66	sleep 3
67	fi
68	}
69
70	check_docker_is_installed() {
71	log -e "\n==================== DOCKER INFO ===================="
72	docker_path="$(which docker.io \|\| which docker)"
73	if [ -z $docker_path ]; then
74	log "Docker is not installed. Have you installed Discourse at all?"
75	log "Perhaps you're looking for ./discourse-setup ."
76	log "There is no point in continuing."
77	exit
78	else
79	log -e "DOCKER VERSION: $(docker --version)"
80	log -e "\nDOCKER PROCESSES (docker ps -a)\n\n$(sudo docker ps -a)\n"
81	fi
82	}
83
84	get_OS() {
85	log -e "OS: $(uname -s)"
86	}
87
88	check_disk_and_memory() {
89	log -e "\n\n==================== MEMORY INFORMATION ===================="
90	os_type=$(get_OS)
91	if [ "$os_type" == "Darwin" ]; then
92	log -e "RAM: $( free -m \| awk '/Mem:/ {print $2}' ) \n"
93	else
94	log -e "RAM (MB): $( free -m --si \| awk ' /Mem:/ {print $2} ')\n"
95	fi
96	log "$(free -m)"
97
98	log -e "\n==================== DISK SPACE CHECK ===================="
99	log "---------- OS Disk Space ----------"
100	log "$(df -h / /var/discourse /var/lib/docker /var/lib/docker/* \| uniq)"
101
102	if [ "$version" != "NOT FOUND" ]
103	then
104	log
105	log "---------- Container Disk Space ----------"
106	log "$(sudo docker exec -w /var/www/discourse -i $app_name df -h / /shared/ /shared/postgres_data /shared/redis_data /shared/backups /var/log \| uniq)"
107	fi
108
109	log -e "\n==================== DISK INFORMATION ===================="
110	log "$( fdisk -l )"
111	log -e "\n==================== END DISK INFORMATION ===================="
112
113	free_disk="$(df /var \| tail -n 1 \| awk '{print $4}')"
114	# Arguably ./launcher is doing this so discourse-doctor does not need to . . .
115	if [ "$free_disk" -lt 5000 ]; then
116	log "\n\n==================== DISK SPACE PROBLEM ===================="
117	log "WARNING: you appear to have very low disk space."
118	log "This could be the cause of problems running your site."
119	log "Please free up some space, or expand your disk, before continuing."
120	log
121	log "Run \'apt-get autoremove && apt-get autoclean\' to clean up unused"
122	log "packages and \'./launcher cleanup\' to remove stale Docker containers."
123	exit 1
124	fi
125	}
126
127	get_discourse_version() {
128	version=""
129	version=$(wget -q --timeout=3 https://$VERSION_HOSTNAME/privacy -O -\|grep generator\|head -1 \|cut -d "=" -f 3\|cut -d '-' -f 1 \|cut -d '"' -f 2) &> /dev/null
130	if ! echo $version \| grep Discourse
131	then
132	version=$(wget -q --timeout=3 http://$VERSION_HOSTNAME/privacy -O -\|grep generator\|head -1 \|cut -d "=" -f 3\|cut -d '-' -f 1 \|cut -d '"' -f 2) &> /dev/null
133	fi
134	if [ -z "$version" ]
135	then
136	version="NOT FOUND"
137	fi
138	log "Discourse version at $VERSION_HOSTNAME: $version"
139	}
140
141	check_if_hostname_resolves_here() {
142	log "========================================"
143	VERSION_HOSTNAME=$DISCOURSE_HOSTNAME
144	get_discourse_version
145	DISCOURSE_VERSION="$version"
146	VERSION_HOSTNAME=localhost
147	get_discourse_version
148	LOCALHOST_VERSION="$version"
149	if [ "$DISCOURSE_VERSION" != "$LOCALHOST_VERSION" ]
150	then
151	log "==================== DNS PROBLEM ===================="
152	log "This server reports $LOCALHOST_VERSION, but $DISCOURSE_HOSTNAME reports $DISCOURSE_VERSION."
153	log "This suggests that you have a DNS problem or that an intermediate proxy is to blame."
154	log "If you are using Cloudflare, or a CDN, it may be improperly configured."
155	fi
156	}
157
158	##
159	## get discourse configuration values from YML file
160	##
161	get_discourse_config() {
162	log -e "\n==================== YML SETTINGS ===================="
163	read_config "DISCOURSE_HOSTNAME"
164	DISCOURSE_HOSTNAME=$read_config_result
165	log DISCOURSE_HOSTNAME=$DISCOURSE_HOSTNAME
166	read_config "DISCOURSE_SMTP_ADDRESS"
167	SMTP_ADDRESS=$read_config_result
168	log SMTP_ADDRESS=$SMTP_ADDRESS
169	read_config "DISCOURSE_DEVELOPER_EMAILS"
170	DEVELOPER_EMAILS=$read_config_result
171	log DEVELOPER_EMAILS=$DEVELOPER_EMAILS
172	read_config "DISCOURSE_SMTP_PASSWORD"
173	SMTP_PASSWORD=$read_config_result
174	log SMTP_PASSWORD=$read_config_result
175	read_config "DISCOURSE_SMTP_PORT"
176	SMTP_PORT=$read_config_result
177	log SMTP_PORT=$read_config_result
178	read_config "DISCOURSE_SMTP_USER_NAME"
179	SMTP_USER_NAME=$read_config_result
180	log SMTP_USER_NAME=$read_config_result
181	read_config "LETSENCRYPT_ACCOUNT_EMAIL"
182	letsencrypt_account_email=$read_config_result
183	log "LETSENCRYPT_ACCOUNT_EMAIL=$letsencrypt_account_email"
184	}
185
186	check_plugins() {
187	log -e "\n\n==================== PLUGINS ===================="
6ffca0c2	188	log -e "$(grep 'git clone' containers/$app_name.yml)"
24b887f2 JP	189	grep git containers/$app_name.yml > /tmp/$PPID.grep
	190
	191	if grep -cv "github.com/discourse" /tmp/$PPID.grep > /dev/null
	192	then
	193	log -e "\nWARNING:"
	194	log You have what appear to be non-official plugins.
	195	log "If you are having trouble, you should disable them and try rebuilding again."
	196	else
	197	log -e "\nNo non-official plugins detected."
	198	fi
	199	log -e "\nSee https://github.com/discourse/discourse/blob/master/lib/plugin/metadata.rb for the official list.\n"
	200	}
	201
	202	dump_yaml() {
	203	log -e "\n\n==================== YML DUMP ===================="
	204	log Dumping $app_name.yml
	205	log -e "\n\n"
	206	}
	207
	208	##
	209	## read a variable from the config file and stick it in read_config_result
	210	##
	211	read_config() {
	212	config_line=$(egrep "^ #?$1:" $web_file)
06aa4ddb	213	read_config_result=$(echo $config_line \| awk -F ":" '{print $2}')
24b887f2 JP	214	read_config_result=$(echo $read_config_result \| sed "s/^\([\"']\)\(.*\)\1\$/\2/g")
	215	}
	216
	217	##
	218	## call rake emails:test inside the container
	219	##
	220	check_email() {
	221	log -e "\n==================== MAIL TEST ===================="
	222	log "For a robust test, get an address from http://www.mail-tester.com/"
	223	echo "Or just send a test message to yourself."
	224	EMAIL=$(echo $DEVELOPER_EMAILS \|cut -d , -f 1)
	225	read -p "Email address for mail test? ('n' to skip) [$EMAIL]: " new_value
	226	if [ ! -z "$new_value" ]
	227	then
	228	EMAIL="$new_value"
	229	fi
	230	if [ "$new_value" != "n" ] && [ "$new_value" != "N" ]
	231	then
	232	log "Sending mail to $EMAIL. . . "
	233	log "$(sudo docker exec -w /var/www/discourse -i $app_name rake emails:test[$EMAIL])"
	234	else
	235	log "Mail test skipped."
	236	fi
	237	}
	238
	239	get_yml_file() {
	240	app_name=""
	241	if [ -f containers/app.yml ]
	242	then
	243	app_name="app"
	244	web_file=containers/$app_name.yml
	245	log "Found $web_file"
	246	elif [ -f containers/web_only.yml ]
	247	then
	248	log "YML=web_only.yml"
	249	app_name="web_only"
	250	web_file=containers/$app_name.yml
	251	log "Found $web_file"
	252	else
82b2979d	253	log "Can't find app.yml or web_only.yml."
24b887f2 JP	254	log "Giving up."
	255	exit
	256	fi
	257	}
	258
	259	check_docker() {
	260	docker ps \| tail -n +2 > /tmp/$UUID-docker.txt
	261
	262	if grep $app_name /tmp/$UUID-docker.txt
	263	then
	264	log -e "\nDiscourse container $app_name is running"
	265	else
	266	log "==================== SERIOUS PROBLEM!!!! ===================="
	267	log "$app_name not running!"
	268	log "Attempting to rebuild"
	269	log "==================== REBUILD LOG ===================="
	270	# too hard to pass STDERR of ./launcher to log()
	271	./launcher rebuild $app_name 2>&1 \| tee -a $LOG_FILE
	272	log "==================== END REBUILD LOG ===================="
e9db29df	273	docker ps \| tail -n +2 > /tmp/$UUID-docker.txt
24b887f2 JP	274	if grep $app_name /tmp/$UUID-docker.txt
	275	then
	276	log -e "\nDiscourse container $app_name is now running."
	277	log ". . . waiting 30 seconds for container to crank up. . . "
	278	sleep 30
	279	else
2312f4cc	280	log "Failed to rebuild $app_name."
24b887f2 JP	281	# check_ip_match checks if curl to $DISCOURSE_HOSTNAME gets to this server
	282	# It works only if ports 80 and 443 are free
	283	check_ip_match $DISCOURSE_HOSTNAME
	284	log "You should probably remove any non-standard plugins and rebuild."
	285	NO_CONTAINER='y'
2312f4cc JP	286	log "Attempting to restart existing container. . . "
2312f4cc JP	287	./launcher start $app_name 2>&1 \| tee -a $LOG_FILE
e9db29df	288	docker ps \| tail -n +2 > /tmp/$UUID-docker.txt
2312f4cc JP	289	if grep $app_name /tmp/$UUID-docker.txt
	290	then
	291	log "Restarted the container."
	292	NO_CONTAINER='n'
	293	else
	294	log "Failed to restart the container."
	295	fi
24b887f2 JP	296	fi
	297	fi
	298	}
	299
	300	##
	301	## redact passwords and email addresses from log file
	302	##
	303	clean_up_log_file() {
	304	for VAR
	305	in SMTP_PASSWORD LETSENCRYPT_ACCOUNT_EMAIL DEVELOPER_EMAILS DISCOURSE_DB_PASSWORD 'Sending mail to'
	306	do
	307	echo "Replacing: $VAR"
	308	sed -i -e 's/'"$VAR"'\([=: ]\)\S*/'"$VAR"'\1REDACTED /g' $LOG_FILE
	309	done
	310	}
	311
	312	print_done() {
	313	log
	314	log "==================== DONE! ===================="
	315	DOCTOR_FILE=$(date +%s \| sha256sum \| base64 \| head -c 20).txt
	316
	317	if [ $app_name == 'app' ] && [ "$NO_CONTAINER" != 'y' ]
	318	then
b0c92bac JD	319	read -p "Would you like to serve a publicly available version of this file? (Y/n)" serve
	320	if [ $serve == 'Y' ]
	321	then
	322	cp $LOG_FILE shared/standalone/log/var-log/$DOCTOR_FILE
	323	sudo docker exec -w /var/www/discourse -i $app_name cp /var/log/$DOCTOR_FILE public
	324	log "The output of this program may be available at http://$DISCOURSE_HOSTNAME/$DOCTOR_FILE"
	325	log "You should inspect that file carefully before sharing the URL."
	326	else
	327	log "Publicly available log not generated."
	328	fi
24b887f2 JP	329	fi
	330	# The following is not in the web log file since it was copied above, which seems corect
	331	log
	332	log "You can examine the output of this script with "
	333	log "LESS=-Ri less $LOG_FILE"
	334	log
	335	log "BUT FIRST, make sure that you know the first three commands below!!!"
	336	log
	337	log "Commands to know when viewing the file with the above command (called 'less'): "
	338	log "q -- quit"
	339	log "/error<ENTER> -- search for the word 'error'"
	340	log "n -- search for the next occurrence"
	341	log "g -- go to the beginning of the file"
	342	log "f -- go forward a page"
	343	log "b -- go back a page"
	344	log "G -- go to the end of the file"
	345	}
	346
	347	initialize_log_file() {
	348	rm -f $LOG_FILE
	349	touch $LOG_FILE
	350	log DISCOURSE DOCTOR $(date)
	351	log -e "OS: $(uname -a)\n\n"
	352	}
	353
	354	##
	355	## END FUNCTION DECLARATION
	356	##
	357
	358	check_root
	359	cd $WORKING_DIR \|\| exit
	360	initialize_log_file
	361	get_yml_file
	362	get_discourse_config
	363	check_docker_is_installed
	364	check_docker
	365	check_plugins
	366	check_if_hostname_resolves_here
	367	check_disk_and_memory
	368	check_email
	369	clean_up_log_file
	370	print_done