| 1 |
9014
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aaronmk
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#!/bin/bash -e
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| 2 |
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. "$(dirname "${BASH_SOURCE[0]}")"/util.sh
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| 3 |
13185
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aaronmk
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.rel sync.sh
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| 4 |
9014
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aaronmk
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| 5 |
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if self_not_included; then
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| 6 |
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# using prefixed connection vars
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| 8 |
13364
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aaronmk
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# idempotent
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| 9 |
9641
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aaronmk
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alias ssh2local='declare prefix=ssh_; import_vars; unset prefix
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| 10 |
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declare $(prefix=ssh_ get_prefix_vars); unset $(prefix=ssh_ get_prefix_vars)'
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9464
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aaronmk
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alias use_local='declare prefix=local_; import_vars; unset prefix'
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| 12 |
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alias use_remote='declare prefix=remote_; import_vars; unset prefix'
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11784
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aaronmk
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alias use_local_remote='{ use_remote; use_local; }'
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| 14 |
9167
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aaronmk
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# *must* be run inside a function
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9574
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aaronmk
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alias use_root='declare prefix=root_; import_vars; unset prefix'
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9014
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aaronmk
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| 17 |
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quote='"'
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9074
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aaronmk
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esc_name() { echo "$quote${1//$quote/$quote$quote}$quote"; }
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| 20 |
9014
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aaronmk
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| 21 |
9423
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aaronmk
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mk_esc_name_alias() # usage: mk_esc_name_alias schema_esc
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| 22 |
9426
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aaronmk
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{ alias mk_"$1"='declare '"$1"'="${'"$1"':-$(esc_name "$'"${1%_esc}"'")}"; '\
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'echo_vars '"$1"; }
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| 24 |
9014
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aaronmk
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| 25 |
9423
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aaronmk
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mk_esc_name_alias schema_esc
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| 26 |
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mk_esc_name_alias table_esc
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| 28 |
9470
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aaronmk
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fi # load new aliases
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| 29 |
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if self_being_included; then
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| 30 |
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| 31 |
9623
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aaronmk
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skip_table() # usage: create_table || table=... skip_table || return 0
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| 32 |
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{ what="table $table" already_exists_msg; }
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| 34 |
9817
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aaronmk
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: "${test=$(isset limit; exit2bool)}" # test mode when using limited # rows
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| 36 |
9698
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aaronmk
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# usage: (set_large_table; to_file db_cmd...) || return
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| 37 |
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alias set_large_table='declare del="${del-$(test "$limit"; exit2bool)}"
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| 38 |
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echo_vars del'
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| 39 |
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| 40 |
11578
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aaronmk
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limit() # usage: "query... $([prefix=$'| |\n'] [limit|n=#] limit)"
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| 41 |
9467
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aaronmk
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{
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| 42 |
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echo_func; kw_params prefix; local prefix="${prefix-
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| 43 |
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}"
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| 44 |
11578
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aaronmk
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if isset n; then local limit="${limit-$n}"; fi
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| 45 |
9467
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aaronmk
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echo -n "${limit:+${prefix}LIMIT $limit}"
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}
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| 48 |
10401
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aaronmk
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cols2list() # usage: cols2list col...
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{ echo_func; cmd=esc_name foreach_arg; delim=', ' join "$@"; }
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| 51 |
10827
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aaronmk
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mk_select() # usage: {query=... | table=... [cols=...] [filter=...] \
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| 52 |
11579
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aaronmk
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# [order_by=...]} [limit|n=#] mk_select
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| 53 |
9468
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aaronmk
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{
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| 54 |
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echo_func; kw_params query table cols filter; mk_table_esc
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10827
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aaronmk
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if is_array cols ; then cols="$( cols2list "${cols[@]}" )"; fi
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if is_array order_by; then order_by="$(cols2list "${order_by[@]}")"; fi
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9468
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aaronmk
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echo "$(rtrim "${query:-SELECT ${cols:-*} ${cols:+
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9335
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aaronmk
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}FROM $table_esc
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${filter:+WHERE $filter
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| 60 |
10827
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aaronmk
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}${order_by:+ORDER BY $order_by
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| 61 |
9467
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aaronmk
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}}")\
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$(limit)"
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| 63 |
9468
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aaronmk
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}
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| 64 |
9088
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aaronmk
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| 65 |
9468
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aaronmk
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# export func usage: export_func() { ...; mk_select_var; ... }
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| 66 |
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# caller usage: {query=... | table=... [cols=...] [filter=...]} export_func
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| 67 |
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# cmd line usage: [limit=...] caller
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alias mk_select_var='declare query="$(mk_select)"'
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| 70 |
9014
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aaronmk
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fi # load new aliases
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| 71 |
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if self_being_included; then
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| 72 |
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| 73 |
9482
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aaronmk
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mk_drop() # usage: table=... mk_drop|*sql_ANSI
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{
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| 75 |
12828
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aaronmk
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log_local; log++; echo_func; kw_params table; : "${table?}"; mk_table_esc
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| 76 |
9482
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aaronmk
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echo "DROP TABLE IF EXISTS $table_esc"
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| 77 |
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}
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| 78 |
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| 79 |
9465
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aaronmk
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mk_truncate() # usage: table=... mk_truncate|*sql_ANSI
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| 80 |
9432
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aaronmk
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{
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| 81 |
12828
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aaronmk
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log_local; log++; echo_func; kw_params table; : "${table?}"; mk_table_esc
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| 82 |
9432
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aaronmk
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echo "TRUNCATE $table_esc"
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| 83 |
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}
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| 84 |
9014
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aaronmk
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| 85 |
9432
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aaronmk
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| 86 |
9014
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aaronmk
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### MySQL
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| 87 |
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| 88 |
9094
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aaronmk
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alias set_database=\
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| 89 |
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'if test "$schema"; then declare database="${database-$schema}"; fi'
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| 90 |
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| 91 |
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fi # load new aliases
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| 92 |
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if self_being_included; then
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| 93 |
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| 94 |
9099
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aaronmk
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# usage: mysql*() { ...; mysql_cmd "$@"; } (with alias)
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| 95 |
10888
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aaronmk
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# caller usage: [ssh_server=...] [server=...] [user=...] [password=...] mysql*()
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| 96 |
9099
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aaronmk
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function mysql_cmd() # usage: mysql*() { ...; mysql_cmd cmd "$@"; }
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| 97 |
9271
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aaronmk
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# auto-adds connection/login opts when specified
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| 98 |
9014
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aaronmk
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{
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| 99 |
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echo_func
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| 100 |
9099
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aaronmk
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local cmd="$1"; shift
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| 101 |
9014
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aaronmk
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local ssh_server="$(localize_url "$ssh_server")"
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| 102 |
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local server="$(localize_url "$server")"
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| 103 |
9050
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aaronmk
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if test "$ssh_server"; then
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| 104 |
9014
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aaronmk
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local ssh_dest="${ssh_dest-${ssh_user:+$ssh_user@}$ssh_server}"
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| 105 |
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fi
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| 106 |
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| 107 |
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local var=ssh_dest; local_inv
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| 108 |
9701
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aaronmk
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command "time" ${ssh_dest:+ssh "$ssh_dest" }"$cmd" \
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| 109 |
9014
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aaronmk
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${server:+ --host="$server" }${user:+--user="$user" } --password\
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| 110 |
9694
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aaronmk
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${password+="$password"} --quick "$@" # --quick: don't buffer entire result
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| 111 |
9014
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aaronmk
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}
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| 112 |
9099
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aaronmk
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alias mysql_cmd='mysql_cmd "$FUNCNAME"'
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| 113 |
9014
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aaronmk
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| 114 |
9099
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aaronmk
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fi # load new aliases
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| 115 |
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if self_being_included; then
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| 116 |
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| 117 |
10887
|
aaronmk
|
function mysql() # usage: [database=...] [data_only=1] [log_queries=] mysql ...
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| 118 |
9095
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aaronmk
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{
|
| 119 |
9578
|
aaronmk
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echo_func; kw_params output_data data_only query_verbosity
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| 120 |
9557
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aaronmk
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if test "$data_only"; then local output_data="${output_data-1}"; fi
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| 121 |
9578
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aaronmk
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local log_queries="${log_queries-1}"
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| 122 |
9095
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aaronmk
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set_database
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| 123 |
9101
|
aaronmk
|
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| 124 |
9557
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aaronmk
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set -- ${database:+--database="$database" }--local-infile=1 \
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| 125 |
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--${data_only:+skip-}column-names "$@"
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| 126 |
9150
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aaronmk
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if test "$output_data"; then echo_stdin|mysql_cmd --batch "$@"
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| 127 |
9591
|
aaronmk
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else cmd_log_fd=1 mysql_cmd ${log_queries:+--verbose --verbose --verbose }\
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| 128 |
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"$@" # --verbose*3: echo runtimes
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| 129 |
9101
|
aaronmk
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fi
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| 130 |
9095
|
aaronmk
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}
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| 131 |
9014
|
aaronmk
|
|
| 132 |
9074
|
aaronmk
|
mysql_ANSI()
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| 133 |
9014
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aaronmk
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{
|
| 134 |
|
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echo_func
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| 135 |
|
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(echo "SET sql_mode = 'ANSI';"; cat)|mysql "$@"
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| 136 |
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}
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| 137 |
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| 138 |
13168
|
aaronmk
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# always use ANSI mode, to support "" identifiers. `` *are* still supported in
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| 139 |
9706
|
aaronmk
|
# this mode, so it also works with SHOW CREATE TABLE output and dumpfiles.
|
| 140 |
|
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alias mysql='mysql_ANSI'
|
| 141 |
|
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| 142 |
9707
|
aaronmk
|
fi # load new aliases
|
| 143 |
|
|
if self_being_included; then
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| 144 |
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| 145 |
|
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mysql_root() { echo_func; use_root; mysql "$@"; }
|
| 146 |
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| 147 |
9777
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aaronmk
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mysql_truncate() { echo_func; mk_truncate|mysql; }
|
| 148 |
9466
|
aaronmk
|
|
| 149 |
9456
|
aaronmk
|
mysql_import() # usage: table=... [cols=...] [append=1] mysql_import <file
|
| 150 |
|
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# without append=1, first ensures the table is empty
|
| 151 |
9430
|
aaronmk
|
{
|
| 152 |
|
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echo_func
|
| 153 |
|
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mk_table_esc
|
| 154 |
|
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local mysql_load_data_format="${mysql_load_data_format-\
|
| 155 |
|
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FIELDS TERMINATED BY ','
|
| 156 |
|
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OPTIONALLY ENCLOSED BY '\"'
|
| 157 |
|
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}"
|
| 158 |
|
|
|
| 159 |
9466
|
aaronmk
|
if test ! "$append"; then mysql_truncate; fi
|
| 160 |
9430
|
aaronmk
|
mysql_load_data_format="${mysql_load_data_format%
|
| 161 |
|
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}"
|
| 162 |
9642
|
aaronmk
|
ssh2local # ssh does not tunnel nonstandard fds
|
| 163 |
9777
|
aaronmk
|
mysql "$@" 40<&0 <<EOF
|
| 164 |
9651
|
aaronmk
|
LOAD DATA LOCAL INFILE '/dev/fd/40'
|
| 165 |
9660
|
aaronmk
|
${append:+IGNORE }INTO TABLE $table_esc
|
| 166 |
9430
|
aaronmk
|
$mysql_load_data_format
|
| 167 |
|
|
IGNORE 1 LINES
|
| 168 |
|
|
EOF
|
| 169 |
|
|
}
|
| 170 |
|
|
|
| 171 |
9152
|
aaronmk
|
mysql_export() # does not support CSV
|
| 172 |
10887
|
aaronmk
|
# caller usage: [database=...] {query=... | table=... [cols=...] [filter=...]} \
|
| 173 |
|
|
# mysql_export
|
| 174 |
9348
|
aaronmk
|
# cmd line usage: [limit=...] caller
|
| 175 |
9102
|
aaronmk
|
{
|
| 176 |
|
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echo_func
|
| 177 |
9463
|
aaronmk
|
mk_select_var
|
| 178 |
9152
|
aaronmk
|
|
| 179 |
9777
|
aaronmk
|
output_data=1 mysql "$@" <<<"$query"
|
| 180 |
9152
|
aaronmk
|
}
|
| 181 |
|
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|
| 182 |
|
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mysql_export_outfile() # supports CSV, but requires the FILE privilege
|
| 183 |
|
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{
|
| 184 |
|
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echo_func
|
| 185 |
9102
|
aaronmk
|
: "${file:?}"
|
| 186 |
9463
|
aaronmk
|
mk_select_var
|
| 187 |
9102
|
aaronmk
|
local mysql_load_data_format="${mysql_load_data_format-\
|
| 188 |
|
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FIELDS TERMINATED BY ','
|
| 189 |
|
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OPTIONALLY ENCLOSED BY '\"'
|
| 190 |
|
|
}"
|
| 191 |
|
|
|
| 192 |
|
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local head="${query%%FROM*}" # includes trailing newline
|
| 193 |
9105
|
aaronmk
|
head="${head%
|
| 194 |
|
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}"
|
| 195 |
9102
|
aaronmk
|
local tail="${query#$head}"
|
| 196 |
9106
|
aaronmk
|
mysql_load_data_format="${mysql_load_data_format%
|
| 197 |
|
|
}"
|
| 198 |
9777
|
aaronmk
|
mysql "$@" <<EOF
|
| 199 |
9105
|
aaronmk
|
$head
|
| 200 |
|
|
INTO OUTFILE '$file'
|
| 201 |
9106
|
aaronmk
|
$mysql_load_data_format
|
| 202 |
|
|
$tail
|
| 203 |
9102
|
aaronmk
|
EOF
|
| 204 |
|
|
}
|
| 205 |
|
|
|
| 206 |
13184
|
aaronmk
|
## backups
|
| 207 |
|
|
|
| 208 |
10649
|
aaronmk
|
mysqldump() # usage: [schema=1 | data=1] [create_db=1] mysqldump db [table...]
|
| 209 |
9014
|
aaronmk
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{
|
| 210 |
10649
|
aaronmk
|
echo_func
|
| 211 |
|
|
echo_vars schema data create_db
|
| 212 |
9231
|
aaronmk
|
|
| 213 |
10649
|
aaronmk
|
local var=create_db; local_inv
|
| 214 |
|
|
mysql_cmd ${database:+--databases "$database" ${no_create_db:+--tables }} \
|
| 215 |
9694
|
aaronmk
|
--lock-tables=false --set-charset \
|
| 216 |
10446
|
aaronmk
|
${postgres_compat:+${data:+--compatible=postgresql }--add-locks=false }\
|
| 217 |
9014
|
aaronmk
|
${schema:+--no-data }${data:+--no-create-info }"$@"
|
| 218 |
|
|
}
|
| 219 |
|
|
|
| 220 |
9074
|
aaronmk
|
mysqldump_diffable()
|
| 221 |
9014
|
aaronmk
|
{
|
| 222 |
|
|
echo_func
|
| 223 |
9550
|
aaronmk
|
mysqldump "$@"|{ pipe_delay; echo_run sed 's/^(-- Dump completed).*$/\1/'; }
|
| 224 |
9014
|
aaronmk
|
}
|
| 225 |
|
|
|
| 226 |
9588
|
aaronmk
|
mysql_rm_privileged_statements()
|
| 227 |
|
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{
|
| 228 |
|
|
echo_func
|
| 229 |
|
|
grep -vE -e '^/\*!40000 ALTER TABLE `.*` (DIS|EN)ABLE KEYS \*/;$' \
|
| 230 |
|
|
-e '^(UN)?LOCK TABLES( `.*` WRITE)?;$'
|
| 231 |
|
|
}
|
| 232 |
9017
|
aaronmk
|
|
| 233 |
9632
|
aaronmk
|
## permissions
|
| 234 |
9588
|
aaronmk
|
|
| 235 |
9632
|
aaronmk
|
mysql_seal_table() # usage: table=... user=... mysql_seal_table
|
| 236 |
|
|
# prevents further modifications to a table by a user
|
| 237 |
|
|
{
|
| 238 |
9634
|
aaronmk
|
echo_func; kw_params table user; : "${table:?}" "${user:?}"; mk_table_esc
|
| 239 |
9632
|
aaronmk
|
|
| 240 |
9635
|
aaronmk
|
benign_error=1 mysql_root <<<"REVOKE ALL PRIVILEGES ON $table FROM '$user'@'%'" || true
|
| 241 |
9636
|
aaronmk
|
benign_error=1 mysql_root <<<"REVOKE GRANT OPTION ON $table FROM '$user'@'%'" || true
|
| 242 |
9632
|
aaronmk
|
}
|
| 243 |
|
|
|
| 244 |
13184
|
aaronmk
|
## server admin
|
| 245 |
9632
|
aaronmk
|
|
| 246 |
13184
|
aaronmk
|
mysql_ctl() # usage: mysql_ctl {start|stop|restart|...}
|
| 247 |
13191
|
aaronmk
|
{
|
| 248 |
|
|
echo_func
|
| 249 |
|
|
pattern='^stop: Unknown instance:' ignore_e=1 ignore_err_msg \
|
| 250 |
|
|
sudo service mysql "$@" # ignore errors if not running
|
| 251 |
|
|
}
|
| 252 |
13184
|
aaronmk
|
|
| 253 |
13264
|
aaronmk
|
mysql_snapshot() # usage: [live=] [from=...] [to=...] mysql_snapshot rsync_opts
|
| 254 |
13185
|
aaronmk
|
{
|
| 255 |
13259
|
aaronmk
|
echo_func; kw_params from to; local from="${from:-/var/lib/mysql}"
|
| 256 |
13264
|
aaronmk
|
ctl=mysql_ctl db_snapshot "$@"
|
| 257 |
13185
|
aaronmk
|
}
|
| 258 |
13184
|
aaronmk
|
|
| 259 |
13185
|
aaronmk
|
|
| 260 |
9014
|
aaronmk
|
### PostgreSQL
|
| 261 |
|
|
|
| 262 |
9648
|
aaronmk
|
alias use_pg='declare prefix=pg_; import_vars; unset prefix'
|
| 263 |
|
|
|
| 264 |
9649
|
aaronmk
|
fi # load new aliases
|
| 265 |
|
|
if self_being_included; then
|
| 266 |
|
|
|
| 267 |
10763
|
aaronmk
|
# usage: pg_*() { ...; pg_cmd "$@"; } (uses alias)
|
| 268 |
|
|
function pg_cmd() # usage for fn: pg_*() { ...; pg_cmd cmd "$@"; }
|
| 269 |
|
|
# auto-adds connection/login opts when specified
|
| 270 |
9646
|
aaronmk
|
{
|
| 271 |
13165
|
aaronmk
|
echo_func; kw_params as_root
|
| 272 |
9646
|
aaronmk
|
|
| 273 |
9649
|
aaronmk
|
use_pg
|
| 274 |
12828
|
aaronmk
|
log_local
|
| 275 |
13340
|
aaronmk
|
log--
|
| 276 |
11356
|
aaronmk
|
if test "$server"; then local PGHOST="$server"; export PGHOST; fi
|
| 277 |
|
|
if test "$user"; then local PGUSER="$user"; export PGUSER; fi
|
| 278 |
12846
|
aaronmk
|
if test "$password"; then local PGPASSWORD="$password"; log++ export PGPASSWORD;fi
|
| 279 |
11356
|
aaronmk
|
if test "$database"; then local PGDATABASE="$database"; export PGDATABASE;fi
|
| 280 |
13340
|
aaronmk
|
log++
|
| 281 |
9649
|
aaronmk
|
|
| 282 |
13183
|
aaronmk
|
time if test "$as_root"; then sudo -u postgres "$@"; else command "$@"; fi
|
| 283 |
10763
|
aaronmk
|
}
|
| 284 |
|
|
alias pg_cmd='"pg_cmd" "${FUNCNAME%%__*}"'
|
| 285 |
|
|
|
| 286 |
|
|
fi # load new aliases
|
| 287 |
|
|
if self_being_included; then
|
| 288 |
|
|
|
| 289 |
13279
|
aaronmk
|
psql() # usage: [stdin=copy_pstdin_file|<(pstdin_cmd)] [output_data=1] psql \
|
| 290 |
12739
|
aaronmk
|
# <<<"cmds (eg. \copy from pstdin)"
|
| 291 |
13285
|
aaronmk
|
# $as_root: when on, avoids redirections as these are not passed through by sudo
|
| 292 |
11360
|
aaronmk
|
# SUDO_USER: when set, avoids outputting to /dev/fd/#, because this causes a
|
| 293 |
|
|
# "Permission denied" error when running as sudo on Linux
|
| 294 |
10763
|
aaronmk
|
{
|
| 295 |
12739
|
aaronmk
|
echo_func; kw_params stdin output_data
|
| 296 |
13285
|
aaronmk
|
local can_redir="$(! test "$as_root" && ! isset SUDO_USER; exit2bool)"
|
| 297 |
|
|
echo_vars can_redir
|
| 298 |
13282
|
aaronmk
|
if test "$stdin"; then
|
| 299 |
|
|
test "$can_redir" || die 'custom $stdin not supported with sudo'
|
| 300 |
|
|
fi
|
| 301 |
13280
|
aaronmk
|
local verbose_="$(test "$can_redir" && can_log; exit2bool)"
|
| 302 |
12737
|
aaronmk
|
echo_vars verbose_
|
| 303 |
13281
|
aaronmk
|
local data2stdout="$(test "$output_data" -a "$can_redir"; exit2bool)"
|
| 304 |
|
|
echo_vars data2stdout
|
| 305 |
10763
|
aaronmk
|
|
| 306 |
12737
|
aaronmk
|
if test "$verbose_"; then set -- --echo-all --echo-hidden "$@"; fi
|
| 307 |
13286
|
aaronmk
|
if test "$can_redir"; then
|
| 308 |
|
|
local redirs=("${redirs[@]}" '40<&0' "0<${stdin:-&20}" '41>&1')
|
| 309 |
|
|
fi
|
| 310 |
9646
|
aaronmk
|
(
|
| 311 |
10295
|
aaronmk
|
# hide stack traces/DETAIL sections of error messages at verbosity <2
|
| 312 |
12829
|
aaronmk
|
if ! log++ can_log; then echo '\set VERBOSITY terse'; fi
|
| 313 |
12738
|
aaronmk
|
if test "$verbose_"; then echo '\timing on'; fi
|
| 314 |
|
|
echo "SET client_min_messages = \
|
| 315 |
|
|
$(if test "$verbose_"; then echo NOTICE; else echo WARNING; fi);"
|
| 316 |
9646
|
aaronmk
|
cat
|
| 317 |
13283
|
aaronmk
|
)|cmd_log_fd=${can_redir:+1} pg_cmd ${can_redir:+--file /dev/fd/40 }\
|
| 318 |
13281
|
aaronmk
|
${data2stdout:+--output /dev/fd/41 }--set ON_ERROR_STOP=1 --quiet "$@"\
|
| 319 |
13328
|
aaronmk
|
|| verbosity_min=2 die_error_hidden
|
| 320 |
9646
|
aaronmk
|
# --output is for query *results*, not echoed statements
|
| 321 |
|
|
}
|
| 322 |
|
|
|
| 323 |
10755
|
aaronmk
|
pg_export() # usage: mk_select_opts... [pg_copy_format=CSV...] pg_export >out
|
| 324 |
9014
|
aaronmk
|
{
|
| 325 |
|
|
echo_func
|
| 326 |
9463
|
aaronmk
|
mk_select_var
|
| 327 |
9014
|
aaronmk
|
local pg_copy_format="${pg_copy_format-CSV HEADER}"
|
| 328 |
|
|
|
| 329 |
12739
|
aaronmk
|
output_data=1 psql "$@" <<<"COPY ($query) TO STDOUT $pg_copy_format;"
|
| 330 |
9014
|
aaronmk
|
}
|
| 331 |
|
|
|
| 332 |
9074
|
aaronmk
|
pg_header()
|
| 333 |
9014
|
aaronmk
|
{
|
| 334 |
|
|
echo_func
|
| 335 |
|
|
local pg_copy_format="CSV HEADER" limit=0
|
| 336 |
9083
|
aaronmk
|
pg_export "$@"|echo_stdout
|
| 337 |
9014
|
aaronmk
|
}
|
| 338 |
|
|
|
| 339 |
9074
|
aaronmk
|
pg_export_table_no_header()
|
| 340 |
9014
|
aaronmk
|
{
|
| 341 |
|
|
echo_func
|
| 342 |
|
|
local pg_copy_format="CSV"
|
| 343 |
9083
|
aaronmk
|
pg_export "$@"
|
| 344 |
9014
|
aaronmk
|
}
|
| 345 |
|
|
|
| 346 |
10825
|
aaronmk
|
pg_export_table_to_dir()
|
| 347 |
|
|
{
|
| 348 |
|
|
echo_func
|
| 349 |
|
|
local table="$1"; shift; mk_table_esc
|
| 350 |
|
|
stdout="$exports_dir/$table.csv" to_file pg_export "$@"
|
| 351 |
|
|
}
|
| 352 |
|
|
|
| 353 |
9074
|
aaronmk
|
pg_export_table_to_dir_no_header()
|
| 354 |
9014
|
aaronmk
|
{
|
| 355 |
|
|
echo_func
|
| 356 |
|
|
local table="$1"; shift; mk_table_esc
|
| 357 |
9476
|
aaronmk
|
stdout="$exports_dir/$table.no_header.cols=$(pg_header).csv" to_file \
|
| 358 |
9042
|
aaronmk
|
pg_export_table_no_header "$@"
|
| 359 |
9014
|
aaronmk
|
}
|
| 360 |
|
|
|
| 361 |
13262
|
aaronmk
|
## backups
|
| 362 |
|
|
|
| 363 |
13166
|
aaronmk
|
pg_dump() # usage: database={...|} [schema=...] [struct=1 | data=1] [owners=1] \
|
| 364 |
|
|
# [compress=1] [create_schema=] [users=1] pg_dump [opts...] >out
|
| 365 |
|
|
# database='': entire cluster
|
| 366 |
10764
|
aaronmk
|
{
|
| 367 |
13365
|
aaronmk
|
echo_func; use_pg # import $pg_database
|
| 368 |
|
|
kw_params database struct data owners compress create_schema users
|
| 369 |
13166
|
aaronmk
|
: "${database?}"
|
| 370 |
10775
|
aaronmk
|
local create_schema="${create_schema-1}"
|
| 371 |
10764
|
aaronmk
|
|
| 372 |
|
|
# subset
|
| 373 |
|
|
if test "$schema"; then set -- --schema="\"$schema\"" "$@"; fi
|
| 374 |
13166
|
aaronmk
|
if test "$struct"; then set -- "$@" --schema-only; fi
|
| 375 |
|
|
if test "$data" ; then set -- "$@" --data-only ; fi
|
| 376 |
10764
|
aaronmk
|
|
| 377 |
13166
|
aaronmk
|
if test "$database"; then # just one DB
|
| 378 |
|
|
# format
|
| 379 |
|
|
if test ! "$owners"; then set -- "$@" --no-owner ; fi
|
| 380 |
|
|
if test "$compress"; then set -- "$@" --format=custom --compress=9
|
| 381 |
|
|
else set -- "$@" --format=plain --inserts
|
| 382 |
10774
|
aaronmk
|
fi
|
| 383 |
|
|
|
| 384 |
13166
|
aaronmk
|
(
|
| 385 |
|
|
# filter output
|
| 386 |
|
|
if test ! "$create_schema"; then
|
| 387 |
|
|
fd=1 redirs= filter_fd sed 's/^CREATE SCHEMA/--&/'
|
| 388 |
|
|
fi
|
| 389 |
|
|
|
| 390 |
|
|
pattern='^pg_dump: No matching tables were found$' ignore_err_msg \
|
| 391 |
12193
|
aaronmk
|
pg_cmd "$@"
|
| 392 |
13166
|
aaronmk
|
)
|
| 393 |
|
|
else # entire cluster
|
| 394 |
|
|
# subset
|
| 395 |
|
|
if test "$users"; then set -- "$@" --globals-only; fi
|
| 396 |
|
|
|
| 397 |
|
|
(cd /; as_root=1 "pg_cmd" pg_dumpall "$@")
|
| 398 |
|
|
fi
|
| 399 |
10764
|
aaronmk
|
}
|
| 400 |
|
|
|
| 401 |
13262
|
aaronmk
|
## DB structure
|
| 402 |
|
|
|
| 403 |
13351
|
aaronmk
|
benign_does_not_exist_error() # usage: type=what benign_does_not_exist_error cmd
|
| 404 |
|
|
{
|
| 405 |
|
|
log-- echo_func; : "${type:?}"
|
| 406 |
13354
|
aaronmk
|
pattern="$type .* does not exist" benign_error=1 ignore_err_msg "$@"
|
| 407 |
|
|
# no ignore_e=3, because this exit status also used for other errors
|
| 408 |
13351
|
aaronmk
|
}
|
| 409 |
|
|
|
| 410 |
13343
|
aaronmk
|
pg_schema_exists() # usage: schema=__ [benign_error=1] pg_schema_exists
|
| 411 |
11855
|
aaronmk
|
{
|
| 412 |
13339
|
aaronmk
|
log-- echo_func; : "${schema:?}"; mk_schema_esc
|
| 413 |
13351
|
aaronmk
|
# produces error both if true and if false
|
| 414 |
12800
|
aaronmk
|
pattern='cannot create temporary relation in non-temporary schema' \
|
| 415 |
13351
|
aaronmk
|
ignore_e=3 type=schema stderr_matches benign_does_not_exist_error \
|
| 416 |
|
|
psql <<<"CREATE TEMP TABLE $schema_esc.t ()"
|
| 417 |
11855
|
aaronmk
|
}
|
| 418 |
|
|
|
| 419 |
13347
|
aaronmk
|
public_schema_exists() { log-- echo_func; schema=public pg_schema_exists; }
|
| 420 |
|
|
|
| 421 |
11859
|
aaronmk
|
pg_require_schema() # usage: schema=... pg_require_schema
|
| 422 |
|
|
{
|
| 423 |
|
|
echo_func; : "${schema:?}"
|
| 424 |
12806
|
aaronmk
|
pg_schema_exists || die "schema $schema does not exist"
|
| 425 |
11859
|
aaronmk
|
}
|
| 426 |
|
|
|
| 427 |
13343
|
aaronmk
|
pg_table_exists() # usage: [schema=__] table=__ [benign_error=1] pg_table_exists
|
| 428 |
11768
|
aaronmk
|
{
|
| 429 |
|
|
echo_func; : "${table:?}"; mk_table_esc
|
| 430 |
12865
|
aaronmk
|
! pattern='relation .* does not exist' \
|
| 431 |
12829
|
aaronmk
|
ignore_e=3 log++ stderr_matches psql <<<"SELECT NULL FROM $table_esc LIMIT 0"
|
| 432 |
11768
|
aaronmk
|
}
|
| 433 |
|
|
|
| 434 |
13262
|
aaronmk
|
## server admin
|
| 435 |
|
|
|
| 436 |
|
|
pg_ctl() # usage: pg_ctl {start|stop|restart|...}
|
| 437 |
|
|
{
|
| 438 |
|
|
echo_func
|
| 439 |
|
|
sudo service postgresql "$@"
|
| 440 |
|
|
}
|
| 441 |
|
|
|
| 442 |
13287
|
aaronmk
|
pg_start_backup() # requires config `wal_level = archive|hot_standby`
|
| 443 |
|
|
{ echo_func; as_root=1 psql <<<"SELECT pg_start_backup('backup', true);"; }
|
| 444 |
|
|
|
| 445 |
|
|
pg_stop_backup() # requires pg_start_backup() to have run
|
| 446 |
|
|
{ echo_func; as_root=1 psql <<<"SELECT pg_stop_backup();"; }
|
| 447 |
|
|
|
| 448 |
13264
|
aaronmk
|
pg_snapshot() # usage: [live=] [from=...] [to=...] pg_snapshot rsync_opts...
|
| 449 |
13262
|
aaronmk
|
{
|
| 450 |
|
|
echo_func; kw_params from to; local from="${from:-/var/lib/postgresql}"
|
| 451 |
13288
|
aaronmk
|
|
| 452 |
|
|
if pg_start_backup; then # perform online backup
|
| 453 |
|
|
try db_copy "$@"
|
| 454 |
|
|
pg_stop_backup
|
| 455 |
|
|
end_try
|
| 456 |
|
|
else ctl=pg_ctl db_snapshot "$@" # fall back to stopping server
|
| 457 |
|
|
fi
|
| 458 |
13262
|
aaronmk
|
}
|
| 459 |
|
|
|
| 460 |
9014
|
aaronmk
|
fi
|
