-
Notifications
You must be signed in to change notification settings - Fork 57
/
Copy pathbackup.mariadb.plugin
218 lines (186 loc) · 5.97 KB
/
backup.mariadb.plugin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
#!/bin/bash
# =================================================================================================================
# MariaDB Backup and Restore Functions:
# - Dynamically loaded as a plug-in
# - Refer to existing plug-ins for implementation examples.
# -----------------------------------------------------------------------------------------------------------------
export serverDataDirectory="/var/lib/mysql/data"
function onBackupDatabase(){
(
local OPTIND
local unset flags
while getopts : FLAG; do
case $FLAG in
? ) flags+="-${OPTARG} ";;
esac
done
shift $((OPTIND-1))
_databaseSpec=${1}
_backupFile=${2}
_hostname=$(getHostname ${_databaseSpec})
_database=$(getDatabaseName ${_databaseSpec})
_port=$(getPort ${_databaseSpec})
_portArg=${_port:+"-P ${_port}"}
_username=$(getUsername ${_databaseSpec})
_password=$(getPassword ${_databaseSpec})
echoGreen "Backing up '${_hostname}${_port:+:${_port}}${_database:+/${_database}}' to '${_backupFile}' ..."
MYSQL_PWD=${_password} mysqldump -h "${_hostname}" -u "${_username}" ${_portArg} "${_database}" | gzip > ${_backupFile}
return ${?}
)
}
function onRestoreDatabase(){
(
local OPTIND
local unset flags
while getopts : FLAG; do
case $FLAG in
? ) flags+="-${OPTARG} ";;
esac
done
shift $((OPTIND-1))
_databaseSpec=${1}
_fileName=${2}
_adminPassword=${3}
_hostname=$(getHostname ${flags} ${_databaseSpec})
_database=$(getDatabaseName ${_databaseSpec})
_port=$(getPort ${flags} ${_databaseSpec})
_portArg=${_port:+"-P ${_port}"}
_username=$(getUsername ${_databaseSpec})
_password=$(getPassword ${_databaseSpec})
echo -e "Restoring '${_fileName}' to '${_hostname}${_port:+:${_port}}${_database:+/${_database}}' ...\n" >&2
# Restore
gunzip -c "${_fileName}" | MYSQL_PWD=${_password} mysql -h ${_hostname} -u ${_username} ${_portArg} ${_database}
_rtnCd=${PIPESTATUS[1]}
return ${_rtnCd}
)
}
function onStartServer(){
(
local OPTIND
local unset flags
while getopts : FLAG; do
case $FLAG in
? ) flags+="-${OPTARG} ";;
esac
done
shift $((OPTIND-1))
_databaseSpec=${1}
# Start a local MariaDB instance
MYSQL_USER=$(getUsername "${_databaseSpec}") \
MYSQL_PASSWORD=$(getPassword "${_databaseSpec}") \
MYSQL_DATABASE=$(getDatabaseName "${_databaseSpec}") \
MYSQL_ROOT_PASSWORD=$(getPassword "${_databaseSpec}") \
run-mysqld >/dev/null 2>&1 &
)
}
function onStopServer(){
(
local OPTIND
local unset flags
while getopts : FLAG; do
case $FLAG in
? ) flags+="-${OPTARG} ";;
esac
done
shift $((OPTIND-1))
mysqladmin --defaults-file=${MYSQL_DEFAULTS_FILE:-/etc/my.cnf} -u root --socket=/var/lib/mysql/mysql.sock flush-privileges shutdown
)
}
function onCleanup(){
(
if ! dirIsEmpty ${serverDataDirectory}; then
# Delete the database files and configuration
echo -e "Cleaning up ...\n" >&2
rm -rf ${serverDataDirectory}/*
else
echo -e "Already clean ...\n" >&2
fi
)
}
function onPingDbServer(){
(
local OPTIND
local unset flags
while getopts : FLAG; do
case $FLAG in
? ) flags+="-${OPTARG} ";;
esac
done
shift $((OPTIND-1))
_databaseSpec=${1}
_hostname=$(getHostname ${flags} ${_databaseSpec})
_database=$(getDatabaseName ${_databaseSpec})
_port=$(getPort ${flags} ${_databaseSpec})
_portArg=${_port:+"-P ${_port}"}
_username=$(getUsername ${_databaseSpec})
_password=$(getPassword ${_databaseSpec})
if MYSQL_PWD=${_password} mysql -h ${_hostname} -u ${_username} ${_portArg} ${_database} -e "SELECT 1;" >/dev/null 2>&1; then
return 0
else
return 1
fi
)
}
function onVerifyBackup(){
(
local OPTIND
local unset flags
while getopts : FLAG; do
case $FLAG in
? ) flags+="-${OPTARG} ";;
esac
done
shift $((OPTIND-1))
_databaseSpec=${1}
_hostname=$(getHostname -l ${_databaseSpec})
_database=$(getDatabaseName ${_databaseSpec})
_port=$(getPort -l ${_databaseSpec})
_portArg=${_port:+"-P ${_port}"}
_username=$(getUsername ${_databaseSpec})
_password=$(getPassword ${_databaseSpec})
debugMsg "backup.mariadb.plugin - onVerifyBackup"
tables=$(MYSQL_PWD=${_password} mysql -h "${_hostname}" -u "${_username}" ${_portArg} "${_database}" -e "SHOW TABLES;")
rtnCd=${?}
# Get the size of the restored database
if (( ${rtnCd} == 0 )); then
size=$(getDbSize -l "${_databaseSpec}")
rtnCd=${?}
fi
if (( ${rtnCd} == 0 )); then
numResults=$(echo "${tables}"| wc -l)
if [[ ! -z "${tables}" ]] && (( numResults >= 1 )); then
# All good
verificationLog="\nThe restored database contained ${numResults} tables, and is ${size} in size."
else
# Not so good
verificationLog="\nNo tables were found in the restored database."
rtnCd="3"
fi
fi
echo ${verificationLog}
return ${rtnCd}
)
}
function onGetDbSize(){
(
local OPTIND
local unset flags
while getopts : FLAG; do
case $FLAG in
? ) flags+="-${OPTARG} ";;
esac
done
shift $((OPTIND-1))
_databaseSpec=${1}
_hostname=$(getHostname ${flags} ${_databaseSpec})
_database=$(getDatabaseName ${_databaseSpec})
_port=$(getPort ${flags} ${_databaseSpec})
_portArg=${_port:+"-P ${_port}"}
_username=$(getUsername ${_databaseSpec})
_password=$(getPassword ${_databaseSpec})
MYSQL_PWD=${_password} mysql -h "${_hostname}" -u "${_username}" ${_portArg} "${_database}" -e "SELECT ROUND(SUM(data_length + index_length) / 1024 / 1024, 1) AS \"size in mb\" FROM information_schema.tables WHERE table_schema=\"${_database}\" GROUP BY table_schema;"
echo ${size}
return ${rtnCd}
)
}
# =================================================================================================================