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mirror of https://github.com/limosek/zaf.git synced 2024-11-21 18:09:06 +01:00

Reworked parameters parsing

Repaired install libraries loading
Repaired installation error handling
This commit is contained in:
Lukas Macura 2016-04-14 09:57:59 +02:00
parent 2a0d6848a7
commit 781f1f0bc0
3 changed files with 72 additions and 64 deletions

View File

@ -25,7 +25,7 @@ zaf_download_files() {
}
if ! [ -f README.md ]; then
# We are runing from stdin
# We are runing from stdin
if ! which curl >/dev/null;
then
zaf_err "Curl not found. Cannot continue. Please install it."
@ -41,6 +41,8 @@ if ! type zaf_version >/dev/null; then
. lib/zaf.lib.sh
. lib/os.lib.sh
. lib/ctrl.lib.sh
. lib/cache.lib.sh
. lib/zbxapi.lib.sh
fi
# Read options as config for ZAF
@ -305,7 +307,7 @@ zaf_postconfigure() {
else
[ "${ZAF_GIT}" = 1 ] && [ -n "${INSTALL_PREFIX}" ] && git clone "${ZAF_REPO_GITURL}" "${INSTALL_PREFIX}/${ZAF_REPO_DIR}"
fi
zaf_wrn "Install done. Use 'zaf' to get started. Do not forget to do 'zaf upgrade' to upgrade plugins too!"
zaf_wrn "Install done. Use 'zaf' to get started."
true
}

View File

@ -55,16 +55,32 @@ zaf_block_get_option() {
# $1 - control file
# $2 - option name
zaf_ctrl_get_global_option() {
zaf_ctrl_get_global_block <$1 | zaf_block_get_moption "$2" \
|| zaf_ctrl_get_global_block <$1 | zaf_block_get_option "$2"
local ctrlopt
eval ctrlopt=\$ZAF_CTRL_$(echo $2| tr '-' '_')
if [ -n "$ctrlopt" ]; then
zaf_wrn "Overriding $2 from env"
echo $ctrlopt
else
zaf_ctrl_get_global_block <$1 | zaf_block_get_moption "$2" \
|| zaf_ctrl_get_global_block <$1 | zaf_block_get_option "$2"
fi
}
# Get item specific option (single or multiline)
# $1 - control file
# $2 - item name
# $3 - option name
zaf_ctrl_get_item_option() {
zaf_ctrl_get_item_block <$1 "$2" | zaf_block_get_moption "$3" \
|| zaf_ctrl_get_item_block <$1 "$2" | zaf_block_get_option "$3"
local ctrlopt
eval ctrlopt=\$ZAF_CTRL_$2_$(echo $3| tr '-' '_')
if [ -n "$ctrlopt" ]; then
zaf_wrn "Overriding item $2 option $3 from env"
echo $ctrlopt
else
zaf_ctrl_get_item_block <$1 "$2" | zaf_block_get_moption "$3" \
|| zaf_ctrl_get_item_block <$1 "$2" | zaf_block_get_option "$3"
fi
}
# Check dependencies based on control file
@ -93,19 +109,21 @@ zaf_ctrl_sudo() {
local cmd
local parms
if ! which sudo >/dev/null; then
zaf_wrn "Sudo needed bud not installed?"
fi
pdir="$3"
plugin=$1
zaf_dbg "Installing sudoers entry $ZAF_SUDOERSD/zaf_$plugin"
sudo=$(zaf_ctrl_get_global_option $2 "Sudo" | zaf_far '{PLUGINDIR}' "${plugindir}")
[ -z "$sudo" ] && return # Nothing to install
if ! which sudo >/dev/null; then
zaf_wrn "Sudo needed bud not installed?"
fi
cmd=$(echo $sudo | cut -d ' ' -f 1)
parms=$(echo $sudo | cut -d ' ' -f 2-)
if which $cmd >/dev/null ; then
(echo "zabbix ALL=NOPASSWD:SETENV: $(which $cmd) $(echo $parms | tr '%' '*')";echo) >$ZAF_SUDOERSD/zaf_$plugin
(echo "zabbix ALL=NOPASSWD:SETENV: $(which $cmd) $(echo $parms | tr '%' '*')";echo) >$ZAF_SUDOERSD/zaf_$plugin || zaf_err "Error during zaf_ctrl_sudo"
chmod 0440 $ZAF_SUDOERSD/zaf_$plugin
else
zaf_wrn "Cannot find binary $cmd for sudo. Ignoring sudo."
zaf_err "Cannot find binary '$cmd' to put into sudoers."
fi
}
@ -116,14 +134,17 @@ zaf_ctrl_sudo() {
zaf_ctrl_cron() {
local pdir
local plugin
local cron
pdir="$3"
plugin=$1
zaf_dbg "Installing cron entry $ZAF_CROND/zaf_$plugin"
zaf_ctrl_get_global_option $2 "Cron" | zaf_far '{PLUGINDIR}' "${plugindir}" >$ZAF_CROND/zaf_$plugin
cron=$(zaf_ctrl_get_global_option $2 "Cron")
[ -z "$cron" ] && return # Nothing to install
zaf_ctrl_get_global_option $2 "Cron" | zaf_far '{PLUGINDIR}' "${plugindir}" >$ZAF_CROND/zaf_$plugin || zaf_err "Error during zaf_ctrl_cron"
}
# Install sudo options from control
# Install files defined to be installed in control to plugun directory
# $1 pluginurl
# $2 control
# $3 plugindir
@ -131,21 +152,28 @@ zaf_ctrl_install() {
local binaries
local pdir
local script
local cmd
local files
local f
local b
pdir="$3"
(set -e
binaries=$(zaf_ctrl_get_global_option $2 "Install-bin")
for b in $binaries; do
zaf_fetch_url "$1/$b" >"${ZAF_TMP_DIR}/$b"
zaf_install_bin "${ZAF_TMP_DIR}/$b" "$pdir"
done
files=$(zaf_ctrl_get_global_option $2 "Install-files")
for f in $files; do
zaf_fetch_url "$1/$b" >"${ZAF_TMP_DIR}/$b"
zaf_install "${ZAF_TMP_DIR}/$b" "$pdir"
done
script=$(zaf_ctrl_get_global_option $2 "Install-script")
[ -n "$script" ] && eval "$script"
cmd=$(zaf_ctrl_get_global_option $2 "Install-cmd")
[ -n "$cmd" ] && $cmd
true
) || zaf_err "Error during zaf_ctrl_install"
}
# Generates zabbix cfg from control file
# $1 control
# $2 pluginname
@ -158,6 +186,7 @@ zaf_ctrl_generate_cfg() {
local cache
items=$(zaf_ctrl_get_items <"$1")
(set -e
for i in $items; do
iscript=$(echo $i | tr -d '[]*&;:')
params=$(zaf_ctrl_get_item_option $1 $i "Parameters")
@ -199,6 +228,7 @@ zaf_ctrl_generate_cfg() {
fi
zaf_err "Item $i declared in control file but has no Cmd, Function or Script!"
done
) || zaf_err "Error during zaf_ctrl_generate_cfg"
}

70
zaf
View File

@ -1,20 +1,29 @@
#!/bin/sh
if [ -z "$secondstage" ]; then
ZAF_CFG_FILE="/etc/zaf.conf"
if [ -f $ZAF_CFG_FILE ]; then
. $ZAF_CFG_FILE
else
echo "Missing config file $ZAF_CFG_FILE! Exiting."
exit 2
fi
if [ -f $ZAF_CFG_FILE ]; then
. $ZAF_CFG_FILE
else
echo "Missing config file $ZAF_CFG_FILE! Exiting."
exit 2
fi
# Read options as config for ZAF
for pair in "$@"; do
echo $pair | grep -q '^ZAF\_' || continue
option=$(echo $pair|cut -d '=' -f 1)
value=$(echo $pair|cut -d '=' -f 2-)
eval "${option}='$value'"
done
# Read options as config for ZAF
for pair in "$@"; do
if echo $pair | grep -qE '^ZAF\_(.*)='; then
option=$(echo $pair|cut -d '=' -f 1)
value=$(echo $pair|cut -d '=' -f 2-)
eval "${option}='$value'"
export secondstage=1
else
params="$params $pair"
fi
done
export $(set |grep ^ZAF_ | cut -d '=' -f 1)
# If some variables in cmd were stripped, rerun only with right arguments and exported variables
[ -n "$secondstage" ] && exec $0 $params
fi
[ -z "$ZAF_TMP_BASE" ] && ZAF_TMP_BASE=/tmp/zaf
ZAF_TMP_DIR="${ZAF_TMP_BASE}-${USER}"
@ -54,25 +63,6 @@ if zaf_is_root; then
chmod g+w "${ZAF_CACHE_DIR}"
fi
zaf_shift(){
local s
if echo $1 |grep -q "="; then
if echo $2 |grep -q "="; then
if echo $3 |grep -q "="; then
s=3
else
s=2
fi
else
s=1
fi
else
s=0
fi
echo $s
}
case $1 in
check-agent-config)
@ -110,7 +100,6 @@ upgrade)
;;
show)
shift;
shift $(zaf_shift "$@")
if [ -z "$1" ]; then
zaf_list_plugins | while read plugin; do
zaf_plugin_info $ZAF_PLUGINS_DIR/$plugin/control.zaf
@ -135,7 +124,6 @@ plugins)
items)
shift
shift $(zaf_shift "$@")
if [ -z "$1" ]; then
zaf_list_items
else
@ -146,7 +134,6 @@ items)
test)
[ "$USER" != "zabbix" ] && zaf_wrn "You are not zabbix user. Test will be run with your privileges and sudo access!"
shift
shift $(zaf_shift "$@")
if echo $1|grep -q '\.'; then
zaf_test_item "$1"
exit
@ -166,7 +153,6 @@ test)
;;
get)
shift
shift $(zaf_shift "$@")
if echo $1|grep -q '\.'; then
zaf_get_item "$1"
exit
@ -186,7 +172,6 @@ get)
precache)
shift
shift $(zaf_shift "$@")
for i in $*; do
if zaf_is_plugin $i; then
for j in $(zaf_list_plugin_items $i precache); do
@ -204,7 +189,6 @@ precache)
install)
shift
shift $(zaf_shift "$@")
[ -z "$1" ] && echo "$0 install plugin [plugin]..."
for p in $@; do
if zaf_is_plugin "$(basename $p)"; then
@ -219,7 +203,6 @@ install)
reinstall)
shift
shift $(zaf_shift "$@")
[ -z "$1" ] && echo "$0 reinstall plugin [plugin]..."
for p in $@; do
if zaf_is_plugin "$p"; then
@ -234,7 +217,6 @@ reinstall)
remove)
shift
shift $(zaf_shift "$@")
[ -z "$1" ] && echo "$0 remove plugin [plugin]..."
for p in $@; do
if zaf_is_plugin "$p"; then
@ -247,7 +229,6 @@ remove)
self-upgrade)
shift
shift $(zaf_shift "$@")
[ -z "$1" ] && auto=auto
zaf_os_specific zaf_check_deps zaf && zaf_err "Zaf is installed as system package. Cannot self-upgrade."
rm -rf /tmp/zaf-installer && mkdir /tmp/zaf-installer
@ -261,7 +242,6 @@ self-upgrade)
self-remove)
shift
shift $(zaf_shift "$@")
zaf_os_specific zaf_check_deps zaf && zaf_err "Zaf is installed as system package. Cannot self-remove."
. /etc/zaf.conf
if [ "$1" = "force" ]; then
@ -294,11 +274,8 @@ api)
zaf_zbxapi_gethostsingroup $gid
;;
backup-group)
set -e
shift $(zaf_shift)
shift; shift
gid=$(zaf_zbxapi_gethostgroupid "$1")
shift $(zaf_shift)
shift
hosts=$(zaf_zbxapi_gethostsingroup $gid)
dir="."
@ -314,7 +291,6 @@ api)
wait
;;
backup-host)
shift $(zaf_shift)
shift; shift
hostid=$(zaf_zbxapi_gethostid "$1")
zaf_wrn "Exporting host $3($hostid)..."
@ -336,7 +312,7 @@ api)
*)
echo "$0 Version ${ZAF_VERSION}. Please use some of this commands:"
echo "$0 Cmd [ZAF_OPTION=value] ..."
echo "$0 Cmd [ZAF_OPTION=value] [ZAF_CTRL_Option=value] ..."
echo "Commands:"
echo "$0 update To update repo (not plugins, similar to apt-get update)"
echo "$0 upgrade To upgrade installed plugins from repo"