docker-nextcloud/docker-entrypoint.sh

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#!/bin/sh
set -eu
# version_greater A B returns whether A > B
version_greater() {
[ "$(printf '%s\n' "$@" | sort -t '.' -n -k1,1 -k2,2 -k3,3 -k4,4 | head -n 1)" != "$1" ]
}
# return true if specified directory is empty
directory_empty() {
[ -z "$(ls -A "$1/")" ]
}
run_as() {
if [ "$(id -u)" = 0 ]; then
su -p "$user" -s /bin/sh -c "$1"
else
sh -c "$1"
fi
}
# Execute all executable files in a given directory in alphanumeric order
run_path() {
local hook_folder_path="/docker-entrypoint-hooks.d/$1"
local return_code=0
if ! [ -d "${hook_folder_path}" ]; then
echo "=> Skipping the folder \"${hook_folder_path}\", because it doesn't exist"
return 0
fi
echo "=> Searching for scripts (*.sh) to run, located in the folder: ${hook_folder_path}"
(
find "${hook_folder_path}" -maxdepth 1 -iname '*.sh' '(' -type f -o -type l ')' -print | sort | while read -r script_file_path; do
if ! [ -x "${script_file_path}" ]; then
echo "==> The script \"${script_file_path}\" was skipped, because it didn't have the executable flag"
continue
fi
echo "==> Running the script (cwd: $(pwd)): \"${script_file_path}\""
run_as "${script_file_path}" || return_code="$?"
if [ "${return_code}" -ne "0" ]; then
echo "==> Failed at executing \"${script_file_path}\". Exit code: ${return_code}"
exit 1
fi
echo "==> Finished the script: \"${script_file_path}\""
done
)
}
# usage: file_env VAR [DEFAULT]
# ie: file_env 'XYZ_DB_PASSWORD' 'example'
# (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of
# "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature)
file_env() {
local var="$1"
local fileVar="${var}_FILE"
local def="${2:-}"
local varValue=$(env | grep -E "^${var}=" | sed -E -e "s/^${var}=//")
local fileVarValue=$(env | grep -E "^${fileVar}=" | sed -E -e "s/^${fileVar}=//")
if [ -n "${varValue}" ] && [ -n "${fileVarValue}" ]; then
echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
exit 1
fi
if [ -n "${varValue}" ]; then
export "$var"="${varValue}"
elif [ -n "${fileVarValue}" ]; then
export "$var"="$(cat "${fileVarValue}")"
elif [ -n "${def}" ]; then
export "$var"="$def"
fi
unset "$fileVar"
}
if expr "$1" : "apache" 1>/dev/null; then
if [ -n "${APACHE_DISABLE_REWRITE_IP+x}" ]; then
a2disconf remoteip
fi
fi
if expr "$1" : "apache" 1>/dev/null || [ "$1" = "php-fpm" ] || [ "${NEXTCLOUD_UPDATE:-0}" -eq 1 ]; then
uid="$(id -u)"
gid="$(id -g)"
if [ "$uid" = '0' ]; then
case "$1" in
apache2*)
user="${APACHE_RUN_USER:-www-data}"
group="${APACHE_RUN_GROUP:-www-data}"
# strip off any '#' symbol ('#1000' is valid syntax for Apache)
user="${user#'#'}"
group="${group#'#'}"
;;
*) # php-fpm
user='www-data'
group='www-data'
;;
esac
else
user="$uid"
group="$gid"
fi
if [ -n "${REDIS_HOST+x}" ]; then
echo "Configuring Redis as session handler"
{
file_env REDIS_HOST_PASSWORD
echo 'session.save_handler = redis'
# check if redis host is an unix socket path
if [ "$(echo "$REDIS_HOST" | cut -c1-1)" = "/" ]; then
if [ -n "${REDIS_HOST_PASSWORD+x}" ]; then
echo "session.save_path = \"unix://${REDIS_HOST}?auth=${REDIS_HOST_PASSWORD}\""
else
echo "session.save_path = \"unix://${REDIS_HOST}\""
fi
# check if redis password has been set
elif [ -n "${REDIS_HOST_PASSWORD+x}" ]; then
echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}?auth=${REDIS_HOST_PASSWORD}\""
else
echo "session.save_path = \"tcp://${REDIS_HOST}:${REDIS_HOST_PORT:=6379}\""
fi
echo "redis.session.locking_enabled = 1"
echo "redis.session.lock_retries = -1"
# redis.session.lock_wait_time is specified in microseconds.
# Wait 10ms before retrying the lock rather than the default 2ms.
echo "redis.session.lock_wait_time = 10000"
} > /usr/local/etc/php/conf.d/redis-session.ini
fi
# If another process is syncing the html folder, wait for
# it to be done, then escape initalization.
(
if ! flock -n 9; then
# If we couldn't get it immediately, show a message, then wait for real
echo "Another process is initializing Nextcloud. Waiting..."
flock 9
fi
installed_version="0.0.0.0"
if [ -f /var/www/html/version.php ]; then
# shellcheck disable=SC2016
installed_version="$(php -r 'require "/var/www/html/version.php"; echo implode(".", $OC_Version);')"
fi
# shellcheck disable=SC2016
image_version="$(php -r 'require "/usr/src/nextcloud/version.php"; echo implode(".", $OC_Version);')"
if version_greater "$installed_version" "$image_version"; then
echo "Can't start Nextcloud because the version of the data ($installed_version) is higher than the docker image version ($image_version) and downgrading is not supported. Are you sure you have pulled the newest image version?"
exit 1
fi
if version_greater "$image_version" "$installed_version"; then
echo "Initializing nextcloud $image_version ..."
if [ "$installed_version" != "0.0.0.0" ]; then
if [ "${image_version%%.*}" -gt "$((${installed_version%%.*} + 1))" ]; then
echo "Can't start Nextcloud because upgrading from $installed_version to $image_version is not supported."
echo "It is only possible to upgrade one major version at a time. For example, if you want to upgrade from version 14 to 16, you will have to upgrade from version 14 to 15, then from 15 to 16."
exit 1
fi
echo "Upgrading nextcloud from $installed_version ..."
run_as 'php /var/www/html/occ app:list' | sed -n "/Enabled:/,/Disabled:/p" > /tmp/list_before
fi
if [ "$(id -u)" = 0 ]; then
rsync_options="-rlDog --chown $user:$group"
else
rsync_options="-rlD"
fi
rsync $rsync_options --delete --exclude-from=/upgrade.exclude /usr/src/nextcloud/ /var/www/html/
for dir in config data custom_apps themes; do
if [ ! -d "/var/www/html/$dir" ] || directory_empty "/var/www/html/$dir"; then
rsync $rsync_options --include "/$dir/" --exclude '/*' /usr/src/nextcloud/ /var/www/html/
fi
done
rsync $rsync_options --include '/version.php' --exclude '/*' /usr/src/nextcloud/ /var/www/html/
# Install
if [ "$installed_version" = "0.0.0.0" ]; then
echo "New nextcloud instance"
file_env NEXTCLOUD_ADMIN_PASSWORD
file_env NEXTCLOUD_ADMIN_USER
if [ -n "${NEXTCLOUD_ADMIN_USER+x}" ] && [ -n "${NEXTCLOUD_ADMIN_PASSWORD+x}" ]; then
# shellcheck disable=SC2016
install_options='-n --admin-user "$NEXTCLOUD_ADMIN_USER" --admin-pass "$NEXTCLOUD_ADMIN_PASSWORD"'
if [ -n "${NEXTCLOUD_DATA_DIR+x}" ]; then
# shellcheck disable=SC2016
install_options=$install_options' --data-dir "$NEXTCLOUD_DATA_DIR"'
fi
file_env MYSQL_DATABASE
file_env MYSQL_PASSWORD
file_env MYSQL_USER
file_env POSTGRES_DB
file_env POSTGRES_PASSWORD
file_env POSTGRES_USER
install=false
if [ -n "${SQLITE_DATABASE+x}" ]; then
echo "Installing with SQLite database"
# shellcheck disable=SC2016
install_options=$install_options' --database-name "$SQLITE_DATABASE"'
install=true
elif [ -n "${MYSQL_DATABASE+x}" ] && [ -n "${MYSQL_USER+x}" ] && [ -n "${MYSQL_PASSWORD+x}" ] && [ -n "${MYSQL_HOST+x}" ]; then
echo "Installing with MySQL database"
# shellcheck disable=SC2016
install_options=$install_options' --database mysql --database-name "$MYSQL_DATABASE" --database-user "$MYSQL_USER" --database-pass "$MYSQL_PASSWORD" --database-host "$MYSQL_HOST"'
install=true
elif [ -n "${POSTGRES_DB+x}" ] && [ -n "${POSTGRES_USER+x}" ] && [ -n "${POSTGRES_PASSWORD+x}" ] && [ -n "${POSTGRES_HOST+x}" ]; then
echo "Installing with PostgreSQL database"
# shellcheck disable=SC2016
install_options=$install_options' --database pgsql --database-name "$POSTGRES_DB" --database-user "$POSTGRES_USER" --database-pass "$POSTGRES_PASSWORD" --database-host "$POSTGRES_HOST"'
install=true
fi
if [ "$install" = true ]; then
run_path pre-installation
echo "Starting nextcloud installation"
max_retries=10
try=0
until run_as "php /var/www/html/occ maintenance:install $install_options" || [ "$try" -gt "$max_retries" ]
do
echo "Retrying install..."
try=$((try+1))
sleep 10s
done
if [ "$try" -gt "$max_retries" ]; then
echo "Installing of nextcloud failed!"
exit 1
fi
if [ -n "${NEXTCLOUD_TRUSTED_DOMAINS+x}" ]; then
echo "Setting trusted domains…"
NC_TRUSTED_DOMAIN_IDX=1
for DOMAIN in $NEXTCLOUD_TRUSTED_DOMAINS ; do
DOMAIN=$(echo "$DOMAIN" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')
run_as "php /var/www/html/occ config:system:set trusted_domains $NC_TRUSTED_DOMAIN_IDX --value=$DOMAIN"
NC_TRUSTED_DOMAIN_IDX=$((NC_TRUSTED_DOMAIN_IDX+1))
done
fi
run_path post-installation
else
echo "Please run the web-based installer on first connect!"
fi
fi
# Upgrade
else
run_path pre-upgrade
run_as 'php /var/www/html/occ upgrade'
run_as 'php /var/www/html/occ app:list' | sed -n "/Enabled:/,/Disabled:/p" > /tmp/list_after
echo "The following apps have been disabled:"
diff /tmp/list_before /tmp/list_after | grep '<' | cut -d- -f2 | cut -d: -f1
rm -f /tmp/list_before /tmp/list_after
run_path post-upgrade
fi
echo "Initializing finished"
fi
# Update htaccess after init if requested
if [ -n "${NEXTCLOUD_INIT_HTACCESS+x}" ] && [ "$installed_version" != "0.0.0.0" ]; then
run_as 'php /var/www/html/occ maintenance:update:htaccess'
fi
) 9> /var/www/html/nextcloud-init-sync.lock
run_path before-starting
fi
exec "$@"