Project

General

Profile

1
#!/bin/bash -e
2
. "$(dirname "${BASH_SOURCE[0]}")"/util.sh
3

    
4
if self_not_included; then
5

    
6
alias use_sync='declare prefix=sync_; import_vars; unset prefix'
7

    
8
upload() # usage: local_dir=... remote_url=serv:dir [swap=1] [subpath=...] \
9
# upload [opt|path]...
10
# swap: downloads instead of uploads
11
# subpath: relative to *currdir*, not $local_dir as in `put`
12
# path: relative to *currdir*, not $local_dir. when invoking from a script, use
13
#     an absolute path (e.g. "$(dirname "${BASH_SOURCE[0]}")"/...).
14
# requires put from https://uutils.googlecode.com/svn/trunk/bin/put
15
{
16
	log-- echo_func; log-- kw_params local_dir remote_url
17
	log-- echo_vars swap subpath
18
	
19
	# make subpath relative to currdir
20
	if test "$subpath"; then
21
		local subpath="$(base_dir="$local_dir" canon_rel_path "$subpath")"
22
		if test "$subpath" = .; then unset subpath; fi
23
	fi
24
	
25
	# change path args to --includes
26
	local has_includes= only_explicit_files=1 args=()
27
	local a; for a in "$@"; do
28
		if starts_with -- "$a"; then args+=("$a") # option, so leave as is
29
		else # path
30
			# also need to --include parent dirs for each --include path
31
			path_parents "$(base_dir="$local_dir" canon_dir_rel_path "$a")"
32
			args+=("${dirs[@]/#/--include=/}") # prepend each with --include=/
33
			has_includes=1
34
			if ! could_be_file "$a"; then only_explicit_files=; fi
35
		fi
36
	done
37
	if test ! "$has_includes"; then only_explicit_files=; fi #root dir->not file
38
	set -- "${args[@]}" ${has_includes:+--exclude="**"}
39
	
40
	if test ! "$only_explicit_files"; then # don't rsync-ignore explicit files
41
		# use .rsync_ignore
42
		set -- --filter="dir-merge,- .rsync_ignore" "$@"
43
		
44
		# use directional .rsync_filter
45
		local filter_type=upload; if test "$swap"; then filter_type=download; fi
46
		set -- --filter="dir-merge .rsync_filter.$(hostname -s).$filter_type" \
47
			   --filter="dir-merge .rsync_filter.$filter_type" "$@"
48
	fi
49
	
50
	src="$local_dir" dest="$remote_url" command put "$@"
51
}
52

    
53
db_copy() # usage: [live=] from=... [to=...] db_copy rsync_opts...
54
# **IMPORTANT**: to produce a consistent snapshot, DB must be shut down
55
{
56
	echo_func; kw_params live from to; : "${from:?}"
57
	local_export live="${live-1}"; local to="${to:-$from.bak}"
58
	sudo mkdir "$to"
59
	
60
	local_dir="$from" remote_url="$to" inplace=1 sudo upload --delete-excluded \
61
--exclude=.DO_NOT_BACKUP "$@" # allow tape backup
62
		# inplace: for large files, don't re-copy entire file
63
}
64

    
65
db_snapshot() # usage: [live=] ctl=... from=... [to=...] db_snapshot rsync_opts
66
# ctl(cmd:{start|stop}): daemon controller that takes command param
67
{
68
	echo_func; kw_params ctl from to; : "${ctl:?}"
69
	
70
	# trim bloated temp files (eg. from rolled back changes)
71
	sudo "$ctl" restart
72
	
73
	# copy changes before stopping DB to minimize the time that it's shut down
74
	db_copy "$@" # copy changes since last backup
75
	db_copy "$@" # copy changes that occurred during the copy operation
76
	
77
	# make copy a consistent snapshot
78
	sudo "$ctl" stop
79
	try db_copy "$@"
80
	sudo "$ctl" start
81
	end_try
82
}
83

    
84
fi
(9-9/11)