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: /proc/thread-self/root/usr/share/dbconfig-common/internal/ [ drwxr-xr-x ]
name : common # -*- mode: sh -*- ### ### common bindings for dbconfig-common ### ### all variables and functions fall under the namespace "dbc_foo" and ### "_dbc_foo", depending on whether or not they are "external" ### [ "$_dbc_logfile" ] || _dbc_logfile="/var/log/dbconfig-common/dbc.log" ## ## dbc_logpart: log interal messages (without newline) ## dbc_logpart(){ printf "$* " >&2 # in principle this file should exist, but some people put # /var/log on tmpfs (bug 705335), so lets not crash on that if [ -f "$_dbc_logfile" ] ; then printf "$* " >> $_dbc_logfile fi } ## ## dbc_logline: log interal messages ## dbc_logline(){ printf "$*.\n" >&2 # in principle this file should exist, but some people put # /var/log on tmpfs (bug 705335), so lets not crash on that if [ -f "$_dbc_logfile" ] ; then printf "$*.\n" >> $_dbc_logfile fi } ### ### simple debugging function ### _dbc_debug(){ if [ "${dbc_debug:-}" ]; then dbc_logline "$@" fi } ## ## internal check for an installed db client package ## _dbc_detect_installed_dbtype(){ # Since the dbconfig-<database> split these checks are in principle a lot # simpler, but keep the old checks as fallback for 1) packages still # depending on dbc and 2) the multidb supported case where the used # dbc-<dbtype> is removed. _dbc_debug "_dbc_detect_installed_dbtype() $@" case "$1" in mysql) if [ ! -f /usr/share/dbconfig-common/internal/dbc-mysql ] ; then if ! which mysql >/dev/null; then return 1 fi fi ;; pgsql|psql) if [ ! -f /usr/share/dbconfig-common/internal/dbc-pgsql ] ; then if ! which psql >/dev/null 2>&1; then return 1 fi fi ;; sqlite) if [ ! -f /usr/share/dbconfig-common/internal/dbc-sqlite ] ; then if ! which sqlite >/dev/null 2>&1; then return 1 fi fi ;; sqlite3) if [ ! -f /usr/share/dbconfig-common/internal/dbc-sqlite3 ] ; then if ! which sqlite3 >/dev/null 2>&1; then return 1 fi fi ;; *) dbc_logline "_dbc_detect_installed_dbtype() called for unknown dbtype $@" return 1 ;; esac return 0 } ## ## internal sanity check for certain important variables ## _dbc_sanity_check(){ while [ $# -ne 0 ]; do case "$1" in "package") if [ -z "$dbc_package" ]; then dbc_error="dbconfig-common can not determine the name of the package it is configuring." dbc_logline "sanity check failed for dbc_package" return 1 fi ;; "packageconfig") if [ -z "$dbc_packageconfig" ]; then dbc_error="dbconfig-common can not determine the name of the package configuration file." dbc_logline "sanity check failed for dbc_packageconfig" return 1 fi ;; "dbtype") if [ -z "$dbc_dbtype" ]; then dbc_error="dbconfig-common can not determine the database type." dbc_logline "sanity check failed for dbc_dbtype" return 1 fi ;; "command") if [ -z "$dbc_command" ]; then dbc_error="dbconfig-common can not determine the maintainer script running it." dbc_logline "sanity check failed for dbc_command" return 1 fi ;; "dbname") if [ -z "$dbc_dbname" ]; then dbc_error="No database name specified. Have to know the name to create it." dbc_logline "sanity check failed for dbc_dbname" return 1 fi ;; "dbadmin") if [ -z "$dbc_dbadmin" ]; then dbc_error="No database administrator specified." dbc_logline "sanity check failed for dbc_dbadmin" return 1 fi ;; "dballow") if [ -z "$dbc_dballow" ]; then dbc_error="No allowed login server specified." dbc_logline "sanity check failed for dbc_dballow" return 1 fi ;; "dbuser") if [ -z "$dbc_dbuser" ]; then dbc_error="No database user specified." dbc_logline "sanity check failed for dbc_dbuser" return 1 fi ;; "dbpass") if [ -z "$dbc_dbpass" ]; then dbc_error="No database password specified." dbc_logline "sanity check failed for dbc_dbpass" return 1 fi ;; "mysql"|"psql"|"sqlite"|"sqlite3") if ! _dbc_detect_installed_dbtype $1; then dbc_error="No $1 client to execute. Did you install the dbconfig-${dbc_dbtype:-$1} package?)" dbc_logline "sanity check failed for $1" return 1 fi ;; "createdb") if ! which createdb >/dev/null; then dbc_error="No pgsql createdb to execute. (have you installed postgresql-client?" dbc_logline "sanity check failed for createdb" return 1 fi ;; "dropdb") if ! which dropdb >/dev/null; then dbc_error="No pgsql dropdb to execute. (have you installed postgresql-client?" dbc_logline "sanity check failed for dropdb" return 1 fi ;; "createuser") if ! which createuser >/dev/null; then dbc_error="No pgsql createuser to execute. (have you installed postgresql-client?" dbc_logline "sanity check failed for createuser" return 1 fi ;; "dropuser") if ! which dropuser >/dev/null; then dbc_error="No pgsql dropuser to execute. (have you installed postgresql-client?" dbc_logline "sanity check failed for dropuser" return 1 fi ;; "pg_dump") if ! which pg_dump >/dev/null; then dbc_error="No pgsql pg_dump to execute. (have you installed postgresql-client?" dbc_logline "sanity check failed for pg_dump" return 1 fi ;; "mysqldump") if ! which mysqldump >/dev/null; then dbc_error="No mysqldump to execute. (have you installed mysql-client?" dbc_logline "sanity check failed for mysqldump" return 1 fi ;; *) dbc_error="don't know how to sanity check for $1" dbc_logline "don't know how to sanity check for $1" return 1 ;; esac shift done } dbc_mktemp(){ local tfile ttemplate if [ "${1:-}" ]; then ttemplate="$1"; else ttemplate="dbconfig-common.XXXXXX"; fi tfile=$(mktemp -t "$ttemplate") if [ ! -f "$tfile" ]; then dbc_error="error creating temporary file" dbc_logline "error creating temporary file" return 1 else echo $tfile fi } # Function that returns true if dbc_dbserver is the localhost, i.e. it is empty # or the string localhost or the loopback IP address: 127.0.0.0/8 (IPv4) or ::1 # (IPv6) _dbc_islocalhost(){ if [ ! "${dbc_dbserver:-}" ]; then return 0 elif [ "${dbc_dbserver:-}" = "localhost" ]; then return 0 # We need to check if dbserver is an IP number instead of an # address and we need to see if it starts with 127. We could check # for validity, but why would we do that here? elif echo "${dbc_dbserver:-}" | \ grep -qE "^127\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$" ; then return 0 elif [ "${dbc_dbserver:-}" = "::1" ]; then return 0 fi return 1 }