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Revision 58 - (show annotations) (download)
Sat Oct 29 20:47:33 2016 UTC (6 years, 3 months ago) by dashley
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Initial commit.
1 #!/bin/bash
2 #-------------------------------------------------------------------------------------------------
3 #$Header$
4 #-------------------------------------------------------------------------------------------------
5 #This file is part of "Server Scripts, Automatic Maintenance, Cron", a set of scripts for
6 #performing automatic periodic maintenance on a Linux server.
7 #-------------------------------------------------------------------------------------------------
8 #This source code and any program in which it is compiled/used is provided under the MIT License,
9 #reproduced below.
10 #-------------------------------------------------------------------------------------------------
11 #Permission is hereby granted, free of charge, to any person obtaining a copy of
12 #this software and associated documentation files(the "Software"), to deal in the
13 #Software without restriction, including without limitation the rights to use,
14 #copy, modify, merge, publish, distribute, sublicense, and / or sell copies of the
15 #Software, and to permit persons to whom the Software is furnished to do so,
16 #subject to the following conditions :
17 #
18 #The above copyright notice and this permission notice shall be included in all
19 #copies or substantial portions of the Software.
20 #
21 #THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 #IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 #FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
24 #AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 #LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
26 #OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
27 #SOFTWARE.
28 #-------------------------------------------------------------------------------------------------
29 #This is the cron script, invoked hourly, to perform automatic
30 #maintenance. All stdout and stderr output is logged.
31 #
32 #The parameters that this script expects are:
33 #
34 # 1)Year (4-digit)
35 # 2)Year (2-digit)
36 # 3)Month (long text)
37 # 4)Month (short text)
38 # 5)Month (2-digit)
39 # 6)Day of month (2-digit)
40 # 7)Day of week (long text)
41 # 8)Day of week (short text)
42 # 9)Day of week (single digit)
43 # 10)Hour (24-hour, 2-digit)
44 # 11)Hour (12-hour, 2-digit)
45 # 12)AM or PM, as a text string
46 # 13)Minutes (2-digit)
47 # 14)Seconds (2-digit)
48 #
49 #Change to a safe working directory in case something goes wrong,
50 #especially a failed cd followed by a mass delete.
51 cd /root/cronjob_sandbox
52 #
53 /etc/cron.custom/scripts/hline_thin
54 echo "Automatic maintenance nominally beginning on $7, $1/$5/$6 at ${10}:${13}:${14}."
55 /etc/cron.custom/scripts/hline_thin
56 ACTUAL_TIMESTAMP=`date`
57 echo -n "Automatic maintenance actually beginning at "
58 echo -n ${ACTUAL_TIMESTAMP}
59 echo "."
60 /etc/cron.custom/scripts/hline_thin
61 echo "This maintenance is scheduled hourly; and may include hourly, daily,"
62 echo "weekly, and monthly maintenance activity (depending on the hour of the"
63 echo "day, the day of the week, and the day of the month)."
64 /etc/cron.custom/scripts/hline_thin
65 #-----------------------------------------------------------------------------
66 #Establish Booleans to decide which types of maintenance will not and
67 #will be performed this run.
68 #
69 BOOLEAN_HOURLY=1
70 echo "HOURLY maintenance WILL be performed."
71
72 if [ ${10} = "01" ] ; then
73 BOOLEAN_DAILY=1
74 echo "DAILY maintenance WILL be performed."
75 else
76 BOOLEAN_DAILY=0
77 echo "DAILY maintenance WILL NOT be performed."
78 fi
79
80 #
81 #BOOLEAN_DAILY=1
82 #Above line for debug only.
83 #
84 #Note below: 6 is Saturday, 0 is Sunday.
85 #
86 if [ $BOOLEAN_DAILY = "1" ] && [ ${9} = "6" ] ; then
87 BOOLEAN_WEEKLY=1
88 echo "WEEKLY maintenance WILL be performed."
89 else
90 BOOLEAN_WEEKLY=0
91 echo "WEEKLY maintenance WILL NOT be performed."
92 fi
93
94 if [ $BOOLEAN_DAILY = "1" ] && [ ${6} = "01" ] ; then
95 BOOLEAN_MONTHLY=1
96 echo "MONTHLY maintenance WILL be performed."
97 else
98 BOOLEAN_MONTHLY=0
99 echo "MONTHLY maintenance WILL NOT be performed."
100 fi
101
102 #Debug
103 #BOOLEAN_WEEKLY=1
104
105 /etc/cron.custom/scripts/hline_thin
106 #-----------------------------------------------------------------------------
107 #Loop through and do the hourly maintenance. This involves finding
108 #all the scripts ending in "hourly" and executing them in alphabetical
109 #order.
110 #
111 #Note on below: should investigate more reliable alternative using SED.
112 if [ $BOOLEAN_HOURLY = "1" ] ; then
113 HOURLY_FILES=`ls -1 /etc/cron.custom/cronjobs/*|sort|grep .hourly`
114 for fname in $HOURLY_FILES
115 do
116 #Change to a safe working directory in case something goes wrong,
117 #especially a failed cd followed by a mass delete.
118 cd /root/cronjob_sandbox
119 #
120 echo "Executing" $fname "as part of hourly maintenance."
121 /etc/cron.custom/scripts/hline_thin
122 ${fname} ${1} ${2} ${3} ${4} ${5} ${6} ${7} ${8} ${9} ${10} ${11} ${12} ${13} ${14}
123 /etc/cron.custom/scripts/hline_thin
124 #
125 #Change to a safe working directory in case something goes wrong,
126 #especially a failed cd followed by a mass delete.
127 cd /root/cronjob_sandbox
128 done
129 fi
130 #-----------------------------------------------------------------------------
131 #Prepare for the daily, weekly, and monthly maintenance. This generally
132 #involves shutting daemons that might interfere with maintenance activities.
133 #Find all the scripts ending in "premaint" and execute them in alphabetical
134 #order.
135 #
136 #Note on below: should investigate more reliable alternative using SED.
137 if [ $BOOLEAN_DAILY = "1" ] || [ $BOOLEAN_WEEKLY = "1" ] || [ $BOOLEAN_MONTHLY = "1" ] ; then
138 PREMAINT_FILES=`ls -1 /etc/cron.custom/cronjobs/*|sort|grep .premaint`
139 for fname in $PREMAINT_FILES
140 do
141 #Change to a safe working directory in case something goes wrong,
142 #especially a failed cd followed by a mass delete.
143 cd /root/cronjob_sandbox
144 #
145 echo "Executing" $fname "to prepare for daily, weekly, and monthly maintenance."
146 /etc/cron.custom/scripts/hline_thin
147 ${fname} ${1} ${2} ${3} ${4} ${5} ${6} ${7} ${8} ${9} ${10} ${11} ${12} ${13} ${14}
148 /etc/cron.custom/scripts/hline_thin
149 #
150 #Change to a safe working directory in case something goes wrong,
151 #especially a failed cd followed by a mass delete.
152 cd /root/cronjob_sandbox
153 done
154 fi
155 #-----------------------------------------------------------------------------
156 #Do the daily maintenance.
157 if [ $BOOLEAN_DAILY = "1" ] ; then
158 DAILY_FILES=`ls -1 /etc/cron.custom/cronjobs/*|sort|grep .daily`
159 for fname in $DAILY_FILES
160 do
161 #Change to a safe working directory in case something goes wrong,
162 #especially a failed cd followed by a mass delete.
163 cd /root/cronjob_sandbox
164 #
165 echo "Executing daily maintenance script" ${fname}.
166 /etc/cron.custom/scripts/hline_thin
167 ${fname} ${1} ${2} ${3} ${4} ${5} ${6} ${7} ${8} ${9} ${10} ${11} ${12} ${13} ${14}
168 /etc/cron.custom/scripts/hline_thin
169 #
170 #Change to a safe working directory in case something goes wrong,
171 #especially a failed cd followed by a mass delete.
172 cd /root/cronjob_sandbox
173 done
174 fi
175 #-----------------------------------------------------------------------------
176 #Do the weekly maintenance.
177 if [ $BOOLEAN_WEEKLY = "1" ] ; then
178 WEEKLY_FILES=`ls -1 /etc/cron.custom/cronjobs/*|sort|grep .weekly`
179 for fname in $WEEKLY_FILES
180 do
181 #Change to a safe working directory in case something goes wrong,
182 #especially a failed cd followed by a mass delete.
183 cd /root/cronjob_sandbox
184 #
185 echo "Executing weekly maintenance script" ${fname}.
186 /etc/cron.custom/scripts/hline_thin
187 ${fname} ${1} ${2} ${3} ${4} ${5} ${6} ${7} ${8} ${9} ${10} ${11} ${12} ${13} ${14}
188 /etc/cron.custom/scripts/hline_thin
189 #
190 #Change to a safe working directory in case something goes wrong,
191 #especially a failed cd followed by a mass delete.
192 cd /root/cronjob_sandbox
193 done
194 fi
195 #-----------------------------------------------------------------------------
196 #Do the monthly maintenance.
197 if [ $BOOLEAN_MONTHLY = "1" ] ; then
198 MONTHLY_FILES=`ls -1 /etc/cron.custom/cronjobs/*|sort|grep .monthly`
199 for fname in $MONTHLY_FILES
200 do
201 #Change to a safe working directory in case something goes wrong,
202 #especially a failed cd followed by a mass delete.
203 cd /root/cronjob_sandbox
204 #
205 echo "Executing monthly maintenance script" ${fname}.
206 /etc/cron.custom/scripts/hline_thin
207 ${fname} ${1} ${2} ${3} ${4} ${5} ${6} ${7} ${8} ${9} ${10} ${11} ${12} ${13} ${14}
208 /etc/cron.custom/scripts/hline_thin
209 #
210 #Change to a safe working directory in case something goes wrong,
211 #especially a failed cd followed by a mass delete.
212 cd /root/cronjob_sandbox
213 done
214 fi
215 #-----------------------------------------------------------------------------
216 #Recover from the daily, weekly, and monthly maintenance. This generally
217 #involves restarting daemons. Find all the scripts ending in "postmaint"
218 #and execute them in alphabetical order.
219 #
220 #Note on below: should investigate more reliable alternative using SED.
221 if [ $BOOLEAN_DAILY = "1" ] || [ $BOOLEAN_WEEKLY = "1" ] || [ $BOOLEAN_MONTHLY = "1" ] ; then
222 POSTMAINT_FILES=`ls -1 /etc/cron.custom/cronjobs/*|sort|grep .postmaint`
223 for fname in $POSTMAINT_FILES
224 do
225 #Change to a safe working directory in case something goes wrong,
226 #especially a failed cd followed by a mass delete.
227 cd /root/cronjob_sandbox
228 #
229 echo "Executing" $fname "to recover from daily, weekly, and monthly maintenance."
230 /etc/cron.custom/scripts/hline_thin
231 ${fname} ${1} ${2} ${3} ${4} ${5} ${6} ${7} ${8} ${9} ${10} ${11} ${12} ${13} ${14}
232 /etc/cron.custom/scripts/hline_thin
233 #
234 #Change to a safe working directory in case something goes wrong,
235 #especially a failed cd followed by a mass delete.
236 cd /root/cronjob_sandbox
237 done
238 fi
239 #-----------------------------------------------------------------------------
240 #Change to a safe working directory in case something goes wrong,
241 #especially a failed cd followed by a mass delete.
242 cd /root/cronjob_sandbox
243 #
244 ACTUAL_TIMESTAMP=`date`
245 echo -n "Automatic maintenance actually ending at "
246 echo -n ${ACTUAL_TIMESTAMP}
247 echo "."
248 /etc/cron.custom/scripts/hline_thin
249 #hline_thick no longer necessary because not concatening logs together, as
250 #these scripts were changed to be more SSD-friendly.
251 #/etc/cron.custom/scripts/hline_thick
252 #
253 #End of script.

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