583 lines
21 KiB
Bash
Executable File
583 lines
21 KiB
Bash
Executable File
#!/bin/bash
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set -eu -o pipefail
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# scripts requires root
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if [[ ${EUID} -ne 0 ]]; then
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echo "This script should be run as root. Run with sudo"
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exit 1
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fi
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readonly RED='\033[31m'
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readonly GREEN='\033[32m'
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readonly YELLOW='\033[33m'
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readonly DONE='\033[m'
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readonly PASTEBIN="https://paste.cloudron.io"
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readonly LINE="\n========================================================\n"
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readonly HELP_MESSAGE="
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Cloudron Support and Diagnostics Tool
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Options:
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--disable-dnssec Disable DNSSEC
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--enable-remote-access Enable SSH Remote Access for the Cloudron support team
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--recreate-containers Deletes all existing containers and recreates them without loss of data
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--recreate-docker Deletes docker storage (containers and images) and recreates it without loss of data
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--send-diagnostics Collects server diagnostics and uploads it to ${PASTEBIN}
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--troubleshoot Dashboard down? Run tests to identify the potential problem
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--owner-login Login as owner
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--use-external-dns Forwards all DNS requests to Google (8.8.8.8) and Cloudflare (1.1.1.1) DNS servers
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--help Show this message
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"
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function success() {
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echo -e "[${GREEN}OK${DONE}]\t${1}"
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}
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function info() {
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echo -e "\t${1}"
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}
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function warn() {
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echo -e "[${YELLOW}WARN${DONE}]\t${1}"
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}
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function fail() {
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echo -e "[${RED}FAIL${DONE}]\t${1}" >&2
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}
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function enable_remote_access() {
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local -r cloudron_support_public_key="ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGWS+930b8QdzbchGljt3KSljH9wRhYvht8srrtQHdzg support@cloudron.io"
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local -r ssh_user="cloudron-support"
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local -r keys_file="/home/cloudron-support/.ssh/authorized_keys"
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echo -n "Enabling Remote Access for the Cloudron support team..."
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mkdir -p $(dirname "${keys_file}") # .ssh does not exist sometimes
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touch "${keys_file}" # required for concat to work
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if ! grep -q "${cloudron_support_public_key}" "${keys_file}"; then
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echo -e "\n${cloudron_support_public_key}" >> "${keys_file}"
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chmod 600 "${keys_file}"
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chown "${ssh_user}" "${keys_file}"
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fi
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echo "Done"
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}
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function wait_systemd_service() {
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local -r service="$1"
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for i in {1..3}; do
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ts=$(systemctl show "${service}" -p ActiveEnterTimestamp | sed 's/ActiveEnterTimestamp=//g')
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start=$(date '+%s' --date="${ts}")
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now=$(date '+%s')
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up_time=$(( $now - $start ))
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(( up_time > 10 )) && return 0
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info "Service '${service}' just started $up_time secs ago, checking health again in 10s"
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sleep 11
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done
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return 1
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}
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function check_host_mysql() {
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if ! systemctl is-active -q mysql; then
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info "MySQL is down. Trying to restart MySQL ..."
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systemctl restart mysql
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if ! systemctl is-active -q mysql; then
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fail "MySQL is still down, please investigate the error by inspecting /var/log/mysql/error.log"
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exit 1
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fi
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fi
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if ! wait_systemd_service mysql; then
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fail "MySQL keeps restarting, please investigate the error by inspecting /var/log/mysql/error.log"
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exit 1
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fi
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success "MySQL is running"
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}
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function check_box() {
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[[ -f /home/yellowtent/box/VERSION ]] && version=$(cat /home/yellowtent/box/VERSION) || version='<unknown>'
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if ! systemctl is-active -q box; then
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info "box v${version} is down. re-running migration script and restarting it ..."
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/home/yellowtent/box/setup/start.sh
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systemctl stop box # a restart sometimes doesn't restart, no idea
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systemctl start box
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if ! systemctl is-active -q box; then
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fail "box service is still down, please investigate the error by inspecting /home/yellowtent/platformdata/logs/box.log"
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exit 1
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fi
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fi
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if ! wait_systemd_service box; then
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fail "box service keeps restarting, please investigate the error by inspecting /home/yellowtent/platformdata/logs/box.log"
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exit 1
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fi
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success "box v${version} is running"
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}
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function owner_login() {
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check_host_mysql >/dev/null
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local -r owner_username=$(mysql -NB -uroot -ppassword -e "SELECT username FROM box.users WHERE role='owner' AND username IS NOT NULL AND active=1 ORDER BY creationTime LIMIT 1" 2>/dev/null)
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local -r owner_password=$(pwgen -1s 12)
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local -r dashboard_domain=$(mysql -NB -uroot -ppassword -e "SELECT value FROM box.settings WHERE name='dashboard_domain'" 2>/dev/null)
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mysql -NB -uroot -ppassword -e "INSERT INTO box.settings (name, value) VALUES ('ghosts_config', '{\"${owner_username}\":\"${owner_password}\"}') ON DUPLICATE KEY UPDATE name='ghosts_config', value='{\"${owner_username}\":\"${owner_password}\"}'" 2>/dev/null
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echo "Login at https://my.${dashboard_domain} as ${owner_username} / ${owner_password} . This password may only be used once."
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}
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function send_diagnostics() {
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local -r log="/tmp/cloudron-support.log"
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echo -n "Generating Cloudron Support stats..."
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rm -rf $log
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echo -e $LINE"Linux"$LINE >> $log
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uname -nar &>> $log
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echo -e $LINE"Ubuntu"$LINE >> $log
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lsb_release -a &>> $log
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echo -e $LINE"Cloudron"$LINE >> $log
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cloudron_version=$(cat /home/yellowtent/box/VERSION || true)
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echo -e "Cloudron version: ${cloudron_version}" >> $log
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dashboard_domain=$(mysql -NB -uroot -ppassword -e "SELECT value FROM box.settings WHERE name='dashboard_domain'" 2>/dev/null || true)
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echo -e "Dashboard domain: ${dashboard_domain}" >> $log
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echo -e $LINE"Docker"$LINE >> $log
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if ! timeout --kill-after 10s 15s docker system info &>> $log 2>&1; then
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echo -e "Docker (system info) is not responding" >> $log
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fi
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if ! timeout --kill-after 10s 15s docker ps -a &>> $log 2>&1; then
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echo -e "Docker (ps) is not responding" >> $log
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fi
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echo -e $LINE"Filesystem stats"$LINE >> $log
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if ! timeout --kill-after 10s 15s df -h &>> $log 2>&1; then
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echo -e "df is not responding" >> $log
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fi
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echo -e $LINE"Appsdata stats"$LINE >> $log
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du -hcsL /home/yellowtent/appsdata/* &>> $log || true
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echo -e $LINE"Boxdata stats"$LINE >> $log
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du -hcsL /home/yellowtent/boxdata/* &>> $log
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echo -e $LINE"Backup stats (possibly misleading)"$LINE >> $log
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du -hcsL /var/backups/* &>> $log || true
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echo -e $LINE"System daemon status"$LINE >> $log
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systemctl status --lines=100 box mysql unbound cloudron-syslog nginx collectd docker &>> $log
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echo -e $LINE"Box logs"$LINE >> $log
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tail -n 100 /home/yellowtent/platformdata/logs/box.log &>> $log
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echo -e $LINE"Interface Info"$LINE >> $log
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ip addr &>> $log
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echo -e $LINE"Firewall chains"$LINE >> $log
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iptables -L &>> $log
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has_ipv6=$(cat /proc/net/if_inet6 >/dev/null 2>&1 && echo "yes" || echo "no")
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echo -e "IPv6: ${has_ipv6}" >> $log
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[[ "${has_ipv6}" == "yes" ]] && ip6tables -L &>> $log
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echo "Done"
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echo -n "Uploading information..."
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paste_key=$(curl -X POST ${PASTEBIN}/documents --silent --data-binary "@$log" | python3 -c "import sys, json; print(json.load(sys.stdin)['key'])")
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echo "Done"
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echo -e "\nPlease email the following link to support@cloudron.io : ${PASTEBIN}/${paste_key}"
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}
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function check_unbound() {
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if ! systemctl is-active -q unbound; then
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info "unbound is down. updating root anchor to see if it fixes it"
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unbound-anchor -a /var/lib/unbound/root.key
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systemctl restart unbound
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if ! systemctl is-active -q unbound; then
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fail "unbound is still down, please investigate the error using 'journalctl -u unbound'"
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exit 1
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fi
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fi
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if ! wait_systemd_service unbound; then
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fail "unbound service keeps restarting, please investigate the error using 'journalctl -u unbound'"
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exit 1
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fi
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test_resolve=$(dig cloudron.io @127.0.0.1 +short)
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if [[ -z "test_resolve" ]]; then
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fail "DNS is not resolving, maybe try forwarding all DNS requests using the --use-external-dns option"
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exit 1
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fi
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success "unbound is running"
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}
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function check_dashboard_cert() {
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local -r dashboard_domain=$(mysql -NB -uroot -ppassword -e "SELECT value FROM box.settings WHERE name='dashboard_domain'" 2>/dev/null)
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local -r nginx_conf_file="/home/yellowtent/platformdata/nginx/applications/dashboard/my.${dashboard_domain}.conf"
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local -r cert_file=$(sed -n -e 's/.*ssl_certificate [[:space:]]\+\(.*\);/\1/p' "${nginx_conf_file}")
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local -r cert_expiry_date=$(openssl x509 -enddate -noout -in "${cert_file}" | sed -e 's/notAfter=//')
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if ! openssl x509 -checkend 100 -noout -in "${cert_file}" >/dev/null 2>&1; then
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fail "Certificate has expired. Certificate expired at ${cert_expiry_date}"
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local -r task_id=$(mysql -NB -uroot -ppassword -e "SELECT id FROM box.tasks WHERE type='checkCerts' ORDER BY id DESC LIMIT 1" 2>/dev/null)
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echo -e "\tPlease check /home/yellowtent/platformdata/logs/tasks/${task_id}.log for last cert renewal logs"
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echo -e "\tCommon issues include expiry of domain's API key OR incoming http port 80 not being open"
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exit 1
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fi
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}
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function check_nginx() {
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local -r dashboard_domain=$(mysql -NB -uroot -ppassword -e "SELECT value FROM box.settings WHERE name='dashboard_domain'" 2>/dev/null)
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if ! systemctl is-active -q nginx; then
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fail "nginx is down. Removing extraneous dashboard domain configs ..."
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# we had a bug where old dashboard domain config file was kept around
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cd /home/yellowtent/platformdata/nginx/applications/dashboard/ && find . ! -name "my.${dashboard_domain}.conf" -type f -exec rm -f {} +
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# check if certificates are there. nginx will still start if certs are expired
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# IFS= makes sure it doesn't trim leading and trailing whitespace
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# -r prevents interpretation of \ escapes.
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find /home/yellowtent/platformdata/nginx -type f -name '*.conf' -print0 | while IFS= read -r -d '' conf; do
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cert_file=$(sed -ne 's/[[:blank:]]\+ssl_certificate[[:blank:]]\+\(.*\);/\1/p' "${conf}")
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key_file=$(sed -ne 's/[[:blank:]]\+ssl_certificate_key[[:blank:]]\+\(.*\);/\1/p' "${conf}")
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if [[ -n "${cert_file}" && ! -f "${cert_file}" ]]; then
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info "${cert_file} does not exist. removing ${conf}"
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rm -f "${conf}"
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fi
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if [[ -n "${key_file}" && ! -f "${key_file}" ]]; then
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info "${key_file} does not exist. removing ${conf}"
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rm -f "${conf}"
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fi
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done
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systemctl restart nginx
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if ! systemctl is-active -q nginx; then
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fail "nginx is still down, please investigate the error by inspecting 'journalctl -u nginx' and /var/log/nginx/error.log"
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exit 1
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fi
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fi
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if ! wait_systemd_service nginx; then
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fail "nginx service keeps restarting, please investigate the error using 'journalctl -u nginx' and /var/log/nginx/error.log"
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exit 1
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fi
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success "nginx is running"
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}
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# this confirms that https works properly without any proxy (cloudflare) involved
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function check_dashboard_site_loopback() {
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local -r dashboard_domain=$(mysql -NB -uroot -ppassword -e "SELECT value FROM box.settings WHERE name='dashboard_domain'" 2>/dev/null)
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if ! curl --fail -s --resolve "my.${dashboard_domain}:443:127.0.0.1" "https://my.${dashboard_domain}" >/dev/null; then
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fail "Could not load dashboard website with loopback check"
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exit 1
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fi
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}
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function check_node() {
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expected_node_version="$(sed -ne 's/readonly node_version=\(.*\)/\1/p' /home/yellowtent/box/scripts/installer.sh)"
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current_node_version="$(node --version | tr -d '\n' | cut -c2-)" # strip trailing newline and 'v' prefix
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if [[ "${current_node_version}" != "${expected_node_version}" ]]; then
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fail "node version is incorrect. Expecting ${expected_node_version}. Got ${current_node_version}."
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echo "You can try the following to fix the problem:"
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echo " ln -sf /usr/local/node-${expected_node_version}/bin/node /usr/bin/node"
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echo " ln -sf /usr/local/node-${expected_node_version}/bin/npm /usr/bin/npm"
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echo " systemctl restart box"
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exit 1
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fi
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success "node version is correct"
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}
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function check_docker() {
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if ! systemctl is-active -q docker; then
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info "Docker is down. Trying to restart docker ..."
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systemctl restart docker
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if ! systemctl is-active -q docker; then
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fail "Docker is still down, please investigate the error using 'journalctl -u docker'"
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exit 1
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fi
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fi
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if ! wait_systemd_service docker; then
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fail "Docker keeps restarting, please investigate the error using 'journalctl -u docker'"
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exit 1
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fi
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success "docker is running"
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}
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function check_node() {
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expected_node_version="$(sed -ne 's/readonly node_version=\(.*\)/\1/p' /home/yellowtent/box/scripts/installer.sh)"
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if command -v node &> /dev/null; then
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current_node_version="$(node --version | tr -d '\n' | cut -c2-)" # strip trailing newline and 'v' prefix
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else
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current_node_version="<not found>"
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fi
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if [[ "${current_node_version}" != "${expected_node_version}" ]]; then
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fail "node version is incorrect. Expecting ${expected_node_version}. Got ${current_node_version}."
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echo "You can try the following to fix the problem:"
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echo " ln -sf /usr/local/node-${expected_node_version}/bin/node /usr/bin/node"
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echo " ln -sf /usr/local/node-${expected_node_version}/bin/npm /usr/bin/npm"
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echo " systemctl restart box"
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exit 1
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fi
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success "node version is correct"
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}
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function check_dashboard_site_domain() {
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local -r dashboard_domain=$(mysql -NB -uroot -ppassword -e "SELECT value FROM box.settings WHERE name='dashboard_domain'" 2>/dev/null)
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local -r domain_provider=$(mysql -NB -uroot -ppassword -e "SELECT provider FROM box.domains WHERE domain='${dashboard_domain}'" 2>/dev/null)
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# TODO: check ipv4 and ipv6
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if ! output=$(curl --fail -s https://my.${dashboard_domain}); then
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fail "Could not load dashboard domain."
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if [[ "${domain_provider}" == "cloudflare" ]]; then
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echo "Maybe cloudflare proxying is not working. Delete the domain in Cloudflare dashboard and re-add it. This sometimes re-establishes the proxying"
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else
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echo "Hairpin NAT is not working. Please check if your router supports it"
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fi
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exit 1
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fi
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if ! echo $output | grep -q "Cloudron Dashboard"; then
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fail "https://my.${dashboard_domain} is not the dashboard domain. Check if DNS is set properly to this server"
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host my.${dashboard_domain} 127.0.0.1 # could also result in cloudflare
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exit 1
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fi
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success "Dashboard is reachable via domain name"
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}
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function check_expired_domain() {
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local -r dashboard_domain=$(mysql -NB -uroot -ppassword -e "SELECT value FROM box.settings WHERE name='dashboard_domain'" 2>/dev/null)
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if ! command -v whois &> /dev/null; then
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info "Domain ${dashboard_domain} expiry check skipped because whois is not installed. Run 'apt install whois' to check"
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exit 0
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fi
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local -r expdate=$(whois ${dashboard_domain} | egrep -i 'Expiration Date:|Expires on|Expiry Date:' | head -1 | awk '{print $NF}')
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if [[ -z "${expdate}" ]]; then
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warn "Domain ${dashboard_domain} expiry check skipped because whois does not have this information"
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exit 0
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fi
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local -r expdate_secs=$(date -d"$expdate" +%s)
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local -r curdate_secs="$(date +%s)"
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if (( curdate_secs > expdate_secs )); then
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fail "Domain ${dashboard_domain} appears to be expired"
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exit 1
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fi
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success "Domain ${dashboard_domain} is valid and has not expired"
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}
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function use_external_dns() {
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local -r conf_file="/etc/unbound/unbound.conf.d/forward-everything.conf"
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info "To remove the forwarding, please delete $conf_file and 'systemctl restart unbound'"
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cat > $conf_file <<EOF
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forward-zone:
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name: "."
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forward-addr: 1.1.1.1
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forward-addr: 8.8.8.8
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EOF
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systemctl restart unbound
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success "Forwarded all DNS requests to Google (8.8.8.8) & Cloudflare DNS (1.1.1.1)"
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}
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function disable_dnssec() {
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local -r conf_file="/etc/unbound/unbound.conf.d/disable-dnssec.conf"
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warn "To reenable DNSSEC, please delete $conf_file and 'systemctl restart unbound'"
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cat > $conf_file <<EOF
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server:
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val-permissive-mode: yes
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EOF
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systemctl restart unbound
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success "DNSSEC Disabled"
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}
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function troubleshoot() {
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# note: disk space test has already been run globally
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check_node
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check_docker
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check_host_mysql
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check_nginx # requires mysql to be checked
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check_dashboard_site_loopback # checks website via loopback
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check_box
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check_unbound
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check_dashboard_cert
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check_dashboard_site_domain # check website via domain name
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check_expired_domain
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}
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function check_disk_space() {
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# check if at least 10mb root partition space is available
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if [[ "`df --output="avail" / | sed -n 2p`" -lt "10240" ]]; then
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echo "No more space left on /"
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echo "This is likely the root case of the issue. Free up some space and also check other partitions below:"
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echo ""
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df -h
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echo ""
|
|
echo "To recover from a full disk, follow the guide at https://docs.cloudron.io/troubleshooting/#recovery-after-disk-full"
|
|
exit 1
|
|
fi
|
|
|
|
# check for at least 5mb free /tmp space for the log file
|
|
if [[ "`df --output="avail" /tmp | sed -n 2p`" -lt "5120" ]]; then
|
|
echo "Not enough space left on /tmp"
|
|
echo "Free up some space first by deleting files from /tmp"
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
function recreate_containers() {
|
|
readonly logfile="/home/yellowtent/platformdata/logs/box.log"
|
|
|
|
echo "This will re-create all the containers. Apps will go down for a while. No data will be lost."
|
|
read -p "Do you want to proceed? (y/N) " -n 1 -r choice
|
|
echo
|
|
|
|
if [[ ! $choice =~ ^[Yy]$ ]]; then
|
|
exit 1
|
|
fi
|
|
|
|
echo ""
|
|
info "Follow re-create logs in a second terminal with:"
|
|
info "$ tail -f ${logfile}"
|
|
echo ""
|
|
|
|
echo -n "Re-creating addon containers (this takes a while) ."
|
|
line_count=$(cat "${logfile}" | wc -l)
|
|
sed -e 's/"version": ".*",/"version":"48.0.0",/' -i /home/yellowtent/platformdata/INFRA_VERSION
|
|
systemctl restart box
|
|
|
|
while ! tail -n "+${line_count}" "${logfile}" | grep -q "platform is ready"; do
|
|
echo -n "."
|
|
sleep 2
|
|
done
|
|
|
|
echo ""
|
|
echo "Done! Addon containers successfully re-created. The apps in the dashboard will say 'Configuring (Queued)'. They will come up in a short while."
|
|
}
|
|
|
|
function recreate_docker() {
|
|
readonly logfile="/home/yellowtent/platformdata/logs/box.log"
|
|
|
|
docker_root=/var/lib/docker
|
|
if ! docker_root=$(docker info -f '{{ .DockerRootDir }}'); then
|
|
warning "Unable to detect docker root. Assuming /var/lib/docker"
|
|
fi
|
|
|
|
echo -e "Use this command when docker storage (at $docker_root) is corrupt. It will delete the docker storage, re-download docker images and re-create containers. Dashboard and apps will be unreachable for a while. No data will be lost.\n"
|
|
read -p "Do you want to proceed? (y/N) " -n 1 -r choice
|
|
echo -e "\n"
|
|
|
|
if [[ ! $choice =~ ^[Yy]$ ]]; then
|
|
exit 1
|
|
fi
|
|
|
|
info "Stopping box"
|
|
systemctl disable box || true
|
|
systemctl stop -q box || true
|
|
info "Stopping docker"
|
|
systemctl disable -q docker || true # for the reboot situation, we don't want it start again
|
|
systemctl stop -q docker || true
|
|
|
|
info "Clearing docker storage at ${docker_root}"
|
|
if ! rm -rf "${docker_root}/"*; then
|
|
fail "Could not delete storage directory. This can happen because of stray containers that docker has lost track of. To fix this, reboot the server and run this command again"
|
|
exit 1
|
|
fi
|
|
info "Cleared docker storage"
|
|
|
|
info "Starting docker afresh"
|
|
systemctl enable -q docker
|
|
systemctl start -q docker
|
|
|
|
echo ""
|
|
info "Follow re-create logs in a second terminal with:"
|
|
info "$ tail -f ${logfile}"
|
|
echo ""
|
|
|
|
echo -n "Re-downloading images and re-creating addon containers (this takes a while) ."
|
|
line_count=$(cat "${logfile}" | wc -l)
|
|
|
|
sed -e 's/"version": ".*",/"version":"48.0.0",/' -i /home/yellowtent/platformdata/INFRA_VERSION
|
|
systemctl enable box
|
|
systemctl restart box # this will create docker network as well
|
|
|
|
while ! tail -n "+${line_count}" "${logfile}" | grep -q "platform is ready"; do
|
|
echo -n "."
|
|
sleep 2
|
|
done
|
|
|
|
echo ""
|
|
echo "Done! Addon containers successfully re-created. The apps in the dashboard will say 'Configuring (Queued)'. They will come up in a short while."
|
|
}
|
|
|
|
check_disk_space
|
|
|
|
args=$(getopt -o "" -l "admin-login,disable-dnssec,enable-ssh,enable-remote-access,help,owner-login,recreate-containers,recreate-docker,send-diagnostics,use-external-dns,troubleshoot" -n "$0" -- "$@")
|
|
eval set -- "${args}"
|
|
|
|
while true; do
|
|
case "$1" in
|
|
--enable-ssh)
|
|
# fall through
|
|
;&
|
|
--enable-remote-access) enable_remote_access; exit 0;;
|
|
--admin-login)
|
|
# fall through
|
|
;&
|
|
--owner-login) owner_login; exit 0;;
|
|
--send-diagnostics) send_diagnostics; exit 0;;
|
|
--troubleshoot) troubleshoot; exit 0;;
|
|
--disable-dnssec) disable_dnssec; exit 0;;
|
|
--use-external-dns) use_external_dns; exit 0;;
|
|
--recreate-containers) recreate_containers; exit 0;;
|
|
--recreate-docker) recreate_docker; exit 0;;
|
|
--help) break;;
|
|
--) break;;
|
|
*) echo "Unknown option $1"; exit 1;;
|
|
esac
|
|
done
|
|
|
|
echo -e "${HELP_MESSAGE}"
|