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1 | 1 | #!/bin/bash |
2 | 2 | set -eo pipefail |
3 | 3 |
|
4 | | -# Get config |
| 4 | +# logging functions |
| 5 | +mariadb_log() { |
| 6 | + local type="$1"; shift |
| 7 | + printf '%s [%s] [Entrypoint]: %s\n' "$(date --rfc-3339=seconds)" "$type" "$*" |
| 8 | +} |
| 9 | +mariadb_note() { |
| 10 | + mariadb_log Note "$@" |
| 11 | +} |
| 12 | +mariadb_warn() { |
| 13 | + mariadb_log Warn "$@" >&2 |
| 14 | +} |
| 15 | +mariadb_error() { |
| 16 | + mariadb_log ERROR "$@" >&2 |
| 17 | + exit 1 |
| 18 | +} |
5 | 19 |
|
| 20 | +mariadb_do_upgrade() { |
| 21 | + mariadb_note "[Perform Mariadb System Table Upgrade]" |
| 22 | + mariadb_note "Waiting temporary process start up ..." |
| 23 | + mysqld \ |
| 24 | + --skip-networking \ |
| 25 | + --wsrep_on=OFF \ |
| 26 | + --expire-logs-days=0 \ |
| 27 | + --loose-innodb_buffer_pool_load_at_startup=0 \ |
| 28 | + --basedir=/usr \ |
| 29 | + --datadir=/var/lib/mysql \ |
| 30 | + --plugin-dir=/usr/lib/mysql/plugin \ |
| 31 | + --user=mysql \ |
| 32 | + --log-error=/var/www/html/log/mysql.log & |
| 33 | + MARIADB_PID=$! |
| 34 | + |
| 35 | + for i in {30..0}; do |
| 36 | + if mysql -uroot -p$INIT_PASSWD --database=mysql <<<'SELECT 1' &> /dev/null; then |
| 37 | + break |
| 38 | + fi |
| 39 | + sleep 1 |
| 40 | + done |
| 41 | + mariadb_note "Temporary process started." |
| 42 | + mariadb_backup_system_table |
| 43 | + |
| 44 | + mariadb_note "Upgrading system tables ..." |
| 45 | + mysql_upgrade -uroot -p$INIT_PASSWD --upgrade-system-tables |
| 46 | + mariadb_note "Upgrading completed." |
| 47 | + kill "$MARIADB_PID" |
| 48 | + wait "$MARIADB_PID" |
| 49 | +} |
| 50 | + |
| 51 | +mariadb_backup_system_table() { |
| 52 | + mariadb_note "[Perform Mariadb System Table Backup]" |
| 53 | + local oldfullversion="unknown_version" |
| 54 | + local backup_db="system_mysql_backup_unknown_version.sql.gz" |
| 55 | + |
| 56 | + if [ -r /var/lib/mysql/mysql_upgrade_info ]; then |
| 57 | + read -r -d '' oldfullversion < /var/lib/mysql/mysql_upgrade_info || true |
| 58 | + if [ -n "$oldfullversion" ]; then |
| 59 | + backup_db="system_mysql_backup_${oldfullversion}.sql.gz" |
| 60 | + fi |
| 61 | + fi |
| 62 | + |
| 63 | + mariadb_note "Backing up system database to $backup_db ..." |
| 64 | + if ! mysqldump --skip-lock-tables --replace --databases mysql -uroot -p$INIT_PASSWD mysql | gzip -9 > /var/lib/mysql/${backup_db}; then |
| 65 | + mariadb_error "Unable backup system database for upgrade from $oldfullversion." |
| 66 | + fi |
| 67 | + mariadb_note "Backup completed." |
| 68 | +} |
| 69 | + |
| 70 | +mariadb_version() { |
| 71 | + local maria_version="$(mariadb --version | awk '{ print $5 }')" |
| 72 | + maria_version="${maria_version%%[-+~]*}" |
| 73 | + echo -n "${maria_version}-MariaDB" |
| 74 | +} |
| 75 | + |
| 76 | +mariadb_upgrade_is_needed() { |
| 77 | + # 0 is true, 1 is false |
| 78 | + if [ ! -d "/var/lib/mysql/mysql" ]; then |
| 79 | + return 1 |
| 80 | + fi |
| 81 | + |
| 82 | + MARIADB_VERSION=$(mariadb_version) |
| 83 | + if [ ! -f /var/lib/mysql/mysql_upgrade_info ]; then |
| 84 | + mariadb_note "MariaDB upgrade information missing, trying to upgrade system table to ${MARIADB_VERSION} anyway." |
| 85 | + return 0 |
| 86 | + fi |
| 87 | + |
| 88 | + IFS='.-' read -ra new_version <<< $MARIADB_VERSION |
| 89 | + IFS='.-' read -ra old_version < /var/lib/mysql/mysql_upgrade_info || true |
| 90 | + if [[ ${#new_version[@]} -lt 2 ]] || [[ ${#old_version[@]} -lt 2 ]] \ |
| 91 | + || [[ ${old_version[0]} -lt ${new_version[0]} ]] \ |
| 92 | + || [[ ${old_version[0]} -eq ${new_version[0]} && ${old_version[1]} -lt ${new_version[1]} ]]; then |
| 93 | + mariadb_note "MariaDB upgrade may required from ${old_version[0]}.${old_version[1]} to ${new_version[0]}.${new_version[1]}" |
| 94 | + return 0 |
| 95 | + fi |
| 96 | + |
| 97 | + mariadb_note "MariaDB upgrade not required. Old version: ${old_version[0]}.${old_version[1]}, New version: ${new_version[0]}.${new_version[1]}" |
| 98 | + return 1 |
| 99 | +} |
| 100 | + |
| 101 | +# Config log and run |
6 | 102 | if [ ! -d "/var/run/mysqld" ]; then |
7 | 103 | mkdir -p /var/run/mysqld |
8 | 104 | chown mysql:mysql /var/run/mysqld |
9 | 105 | echo "" > /var/www/html/log/mysql.log |
10 | 106 | chown mysql:mysql /var/www/html/log/mysql.log |
11 | 107 | fi |
| 108 | + |
12 | 109 | if [ ! -d "/var/lib/mysql/mysql" ]; then |
13 | 110 | mkdir -p /var/lib/mysql |
14 | 111 |
|
15 | | - echo 'Initializing database' |
| 112 | + mariadb_note 'Initializing database..' |
16 | 113 | mysql_install_db --datadir="/var/lib/mysql" |
17 | | - echo 'Database initialized' |
| 114 | + mariadb_note 'Database initialized' |
18 | 115 |
|
19 | 116 | "mysqld" --skip-networking & |
20 | 117 | pid="$!" |
21 | 118 |
|
22 | 119 | mysql=( mysql --protocol=socket -uroot ) |
23 | 120 |
|
| 121 | + mariadb_note 'MariaDB init process in progress...' |
24 | 122 | for i in {30..0}; do |
25 | 123 | if echo 'SELECT 1' | "${mysql[@]}" &> /dev/null; then |
26 | 124 | break |
27 | 125 | fi |
28 | | - echo 'MySQL init process in progress...' |
29 | 126 | sleep 1 |
30 | 127 | done |
31 | 128 | if [ "$i" = 0 ]; then |
32 | | - echo >&2 'MySQL init process failed.' |
33 | | - exit 1 |
| 129 | + mariadb_error 'MariaDB init process failed.' |
34 | 130 | fi |
35 | 131 |
|
36 | 132 | if ! kill -s TERM "$pid" || ! wait "$pid"; then |
37 | | - echo >&2 'MySQL init process failed.' |
38 | | - exit 1 |
| 133 | + mariadb_error 'MariaDB init process failed.' |
39 | 134 | fi |
40 | 135 |
|
41 | 136 | echo |
42 | | - echo 'MySQL init process done. Ready for start up.' |
| 137 | + mariadb_note 'MariaDB init process done. Ready for start up.' |
43 | 138 | echo |
| 139 | +elif mariadb_upgrade_is_needed; then |
| 140 | + mariadb_do_upgrade |
| 141 | +else |
| 142 | + mariadb_note 'MariaDB ready for start up' |
44 | 143 | fi |
45 | 144 |
|
| 145 | +mariadb_note 'Perform MariadB process start using libtcmalloc_minimal ...' |
46 | 146 | exec env LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libtcmalloc_minimal.so.4 "mysqld" --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib/mysql/plugin --user=mysql --log-error=/var/www/html/log/mysql.log |
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