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restic: support nicelevel and ionicelevel

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This commit is contained in:
Jerome Charaoui 2021-01-11 17:56:01 -05:00
parent 9b262e5b7b
commit 356ffa210f
2 changed files with 47 additions and 4 deletions
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17
examples/example.restic
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@ -69,6 +69,23 @@ password = secret
# Path to a file containing PEM encoded TLS client certificate and private key [path]
#tls_client_cert =
## Adjust process scheduling priority. When set to to an integer value between
## -19 and 20, the backup command will be started with the desired scheduling
## priority. A positive integer indicates lower priority, the default priority
## being 0. [integer]
##
## Default:
# nicelevel =
## Adjust I/O scheduling class and priority. When set to to an integer value
## between 0 and 7, the backup command will be started with the best-effort
## class and desired priority level. [integer]
##
## See the ionice(1) man page for more details about available levels.
##
## Default:
# ionicelevel =
[s3]
#aws_access_key_id =

34
handlers/restic.in
View File

@ -9,6 +9,8 @@
setsection general
getconf testconnect no
getconf nicelevel
getconf ionicelevel
getconf run_backup "no"
getconf run_forget "no"
@ -60,6 +62,16 @@ setsection gs
getconf google_project_id
getconf google_application_credentials
# Check that the ionicelevel is valid
if [ -n "$nicelevel" ] && { [ "$nicelevel" -lt -20 ] || [ "$nicelevel" -gt 19 ]; }; then
fatal "The value of nicelevel is expected to be either empty or an integer from -20 to 19. Got: $nicelevel"
fi
# Check that the ionicelevel is valid
if [ -n "$ionicelevel" ] && echo "$ionicelevel" | grep -vq "^[0-7]$"; then
fatal "The value of ionicelevel is expected to be either empty or an integer from 0 to 7. Got: $ionicelevel"
fi
### HELPERS ###################################################################
function export_debug {
@ -119,6 +131,16 @@ function test_rest_connection() {
fi
}
### PRE-COMMANDS ##############################################################
[ -n "$nicelevel" ] && \
precmd+="nice -n $nicelevel "
[ -n "$ionicelevel" ] && \
precmd+="ionice -c2 -n $ionicelevel "
### GLOBAL OPTIONS ############################################################
[ -z "$repository" ] && \
@ -336,7 +358,8 @@ if [ "$run_backup" == "yes" ]; then
cmd_options+="--with_atime "
# format command
execstr="restic backup ${cmd_global_options//$'\n'}${cmd_options//$'\n'}"
cmd="restic backup"
execstr="${precmd}${cmd} ${cmd_global_options//$'\n'}${cmd_options//$'\n'}"
# debug
debug "executing restic backup"
@ -437,7 +460,8 @@ if [[ "$run_forget" == "yes" ]]; then
cmd_options+="--prune "
# format command
execstr="restic forget ${cmd_global_options//$'\n'}${cmd_options//$'\n'}"
cmd="restic forget"
execstr="${precmd}${cmd} ${cmd_global_options//$'\n'}${cmd_options//$'\n'}"
# debug
debug "executing restic forget"
@ -491,7 +515,8 @@ if [ "$run_check" == "yes" ]; then
cmd_options+="--with-cache "
# format command
execstr="restic check ${cmd_global_options//$'\n'}${cmd_options//$'\n'}"
cmd="restic check"
execstr="${precmd}${cmd} ${cmd_global_options//$'\n'}${cmd_options//$'\n'}"
# debug
debug "executing restic check"
@ -526,7 +551,8 @@ fi
if [ "$run_prune" == "yes" ]; then
# format command
execstr="restic prune ${cmd_global_options//$'\n'}"
cmd="restic prune"
execstr="${precmd}${cmd} ${cmd_global_options//$'\n'}"
# debug
debug "executing restic prune"