diff --git a/install.sh b/install.sh index a9a0d97..ed6bfd2 100755 --- a/install.sh +++ b/install.sh @@ -28,7 +28,7 @@ done [ -z "$ZAF_CFG_FILE" ] && ZAF_CFG_FILE=$INSTALL_PREFIX/etc/zaf.conf [ -n "$C_ZAF_DEBUG" ] && ZAF_DEBUG=$C_ZAF_DEBUG -[ -z "$ZAF_DEBUG" ] && ZAF_DEBUG=0 +[ -z "$ZAF_DEBUG" ] && ZAF_DEBUG=1 if [ -f $(dirname $0)/lib/zaf.lib.sh ]; then . $(dirname $0)/lib/zaf.lib.sh @@ -149,7 +149,7 @@ zaf_configure(){ zaf_get_option ZAF_LIB_DIR "Libraries directory" "/usr/lib/zaf" "$1" zaf_get_option ZAF_BIN_DIR "Directory to put binaries" "/usr/bin" "$1" zaf_get_option ZAF_PLUGINS_DIR "Plugins directory" "${ZAF_LIB_DIR}/plugins" "$1" - zaf_get_option ZAF_PLUGINS_REPO "Plugins reposiory" "https://raw.githubusercontent.com/limosek/zaf-plugins/master/" "$1" + zaf_get_option ZAF_PLUGINS_REPO "Plugins reposiory" "https://github.com/limosek/zaf-plugins.git" "$1" zaf_get_option ZAF_REPO_DIR "Plugins directory" "${ZAF_LIB_DIR}/repo" "$1" zaf_get_option ZAF_AGENT_CONFIG "Zabbix agent config" "/etc/zabbix/zabbix_agentd.conf" "$1" ! [ -d "${ZAF_AGENT_CONFIGD}" ] && [ -d "/etc/zabbix/zabbix_agentd.d" ] && ZAF_AGENT_CONFIGD="/etc/zabbix/zabbix_agentd.d" @@ -233,8 +233,8 @@ install) zaf_install $(zaf_getrest lib/zaf.lib.sh) ${ZAF_LIB_DIR} zaf_install $(zaf_getrest lib/os.lib.sh) ${ZAF_LIB_DIR} zaf_install $(zaf_getrest lib/ctrl.lib.sh) ${ZAF_LIB_DIR} - zaf_install $(zaf_getrest lib/jshn.sh) ${ZAF_LIB_DIR} zaf_install_bin $(zaf_getrest lib/zaflock) ${ZAF_LIB_DIR} + zaf_install_bin $(zaf_getrest lib/preload.sh) ${ZAF_LIB_DIR} zaf_install_dir ${ZAF_TMP_DIR}/p/zaf zaf_install_dir ${ZAF_PLUGINS_DIR} zaf_install_dir ${ZAF_BIN_DIR} diff --git a/lib/ctrl.lib.sh b/lib/ctrl.lib.sh index 49a9834..4087ae7 100644 --- a/lib/ctrl.lib.sh +++ b/lib/ctrl.lib.sh @@ -67,6 +67,7 @@ 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 "$3" } +# Check dependencies based on control file zaf_ctrl_check_deps() { local deps deps=$(zaf_ctrl_get_global_block <$1 | zaf_block_get_option "Depends-${ZAF_PKG}" ) @@ -90,14 +91,15 @@ zaf_ctrl_install() { local cmd pdir="$2" - binaries=$(zaf_ctrl_get_global_block <$1 | zaf_block_get_option "Install-bin" | zaf_far '{PLUGINDIR}' "$plugindir" ) + export ZAF_PLUGIN_DIR="$pdir" + binaries=$(zaf_ctrl_get_global_block <$1 | zaf_block_get_option "Install-bin") for b in $binaries; do zaf_fetch_url "$url/$b" >"${ZAF_TMP_DIR}/$b" zaf_install_bin "${ZAF_TMP_DIR}/$b" "$pdir" done - script=$(zaf_ctrl_get_global_block <$1 | zaf_block_get_moption "Install-script" | zaf_far '{PLUGINDIR}' "$plugindir" ) + script=$(zaf_ctrl_get_global_block <$1 | zaf_block_get_moption "Install-script") [ -n "$script" ] && eval "$script" - cmd=$(zaf_ctrl_get_global_block <$1 | zaf_block_get_option "Install-cmd" | zaf_far '{PLUGINDIR}' "$plugindir" ) + cmd=$(zaf_ctrl_get_global_block <$1 | zaf_block_get_option "Install-cmd") [ -n "$cmd" ] && $cmd } @@ -107,28 +109,34 @@ zaf_ctrl_install() { zaf_ctrl_generate_cfg() { local items local cmd - local ilock + local ikey + local lock items=$(zaf_ctrl_get_items <"$1") for i in $items; do - ilock=$(echo $i | tr -d '[]*&;:') + ikey=$(echo $i | tr -d '[]*&;:') + lock=$(zaf_ctrl_get_item_option $1 $i "Lock") + if [ -n "$lock" ]; then + lock="${ZAF_LIB_DIR}/zaflock $lock " + fi cmd=$(zaf_ctrl_get_item_option $1 $i "Cmd") if [ -n "$cmd" ]; then - echo "UserParameter=$2.${i},$cmd"; + echo "UserParameter=$2.${i},$lock$cmd"; continue fi cmd=$(zaf_ctrl_get_item_option $1 $i "Function") if [ -n "$cmd" ]; then - echo "UserParameter=$2.${i},${ZAF_LIB_DIR}/preload.sh $cmd"; + echo "UserParameter=$2.${i},${ZAF_LIB_DIR}/preload.sh $lock$cmd"; continue; fi cmd=$(zaf_ctrl_get_item_option $1 $i "Script") if [ -n "$cmd" ]; then - zaf_ctrl_get_item_option $1 $i "Script" >${ZAF_TMP_DIR}/${ilock}.sh; - zaf_install_bin ${ZAF_TMP_DIR}/${ilock}.sh ${ZAF_PLUGINS_DIR}/$2/ - echo "UserParameter=$2.${i},${ZAF_PLUGINS_DIR}/$2/${ilock}.sh"; + zaf_ctrl_get_item_option $1 $i "Script" >${ZAF_TMP_DIR}/${ikey}.sh; + zaf_install_bin ${ZAF_TMP_DIR}/${ikey}.sh ${ZAF_PLUGINS_DIR}/$2/ + echo "UserParameter=$2.${i},${ZAF_LIB_DIR}/preload.sh $lock${ZAF_PLUGINS_DIR}/$2/${ikey}.sh"; continue; fi done } + diff --git a/lib/jshn.sh b/lib/jshn.sh deleted file mode 100644 index bf76edb..0000000 --- a/lib/jshn.sh +++ /dev/null @@ -1,280 +0,0 @@ -# functions for parsing and generating json - -_json_get_var() { - # dest=$1 - # var=$2 - eval "$1=\"\$${JSON_PREFIX}$2\"" -} - -_json_set_var() { - # var=$1 - local ___val="$2" - eval "${JSON_PREFIX}$1=\"\$___val\"" -} - -__jshn_raw_append() { - # var=$1 - local value="$2" - local sep="${3:- }" - - eval "export -- \"$1=\${$1:+\${$1}\${value:+\$sep}}\$value\"" -} - -_jshn_append() { - # var=$1 - local _a_value="$2" - eval "${JSON_PREFIX}$1=\"\${${JSON_PREFIX}$1} \$_a_value\"" -} - -_get_var() { - # var=$1 - # value=$2 - eval "$1=\"\$$2\"" -} - -_set_var() { - # var=$1 - local __val="$2" - eval "$1=\"\$__val\"" -} - -_json_inc() { - # var=$1 - # dest=$2 - - let "${JSON_PREFIX}$1 += 1" "$2 = ${JSON_PREFIX}$1" -} - -_json_add_generic() { - # type=$1 - # name=$2 - # value=$3 - # cur=$4 - - local var - if [ "${4%%[0-9]*}" = "J_A" ]; then - _json_inc "S_$4" var - else - var="${2//[^a-zA-Z0-9_]/_}" - [[ "$var" == "$2" ]] || export -- "${JSON_PREFIX}N_${4}_${var}=$2" - fi - - export -- \ - "${JSON_PREFIX}${4}_$var=$3" \ - "${JSON_PREFIX}T_${4}_$var=$1" - _jshn_append "JSON_UNSET" "${4}_$var" - _jshn_append "K_$4" "$var" -} - -_json_add_table() { - # name=$1 - # type=$2 - # itype=$3 - local cur seq - - _json_get_var cur JSON_CUR - _json_inc JSON_SEQ seq - - local table="J_$3$seq" - _json_set_var "U_$table" "$cur" - export -- "${JSON_PREFIX}K_$table=" - unset "${JSON_PREFIX}S_$table" - _json_set_var JSON_CUR "$table" - _jshn_append "JSON_UNSET" "$table" - - _json_add_generic "$2" "$1" "$table" "$cur" -} - -_json_close_table() { - local _s_cur - - _json_get_var _s_cur JSON_CUR - _json_get_var "${JSON_PREFIX}JSON_CUR" "U_$_s_cur" -} - -json_set_namespace() { - local _new="$1" - local _old="$2" - - [ -n "$_old" ] && _set_var "$_old" "$JSON_PREFIX" - JSON_PREFIX="$_new" -} - -json_cleanup() { - local unset tmp - - _json_get_var unset JSON_UNSET - for tmp in $unset J_V; do - unset \ - ${JSON_PREFIX}U_$tmp \ - ${JSON_PREFIX}K_$tmp \ - ${JSON_PREFIX}S_$tmp \ - ${JSON_PREFIX}T_$tmp \ - ${JSON_PREFIX}N_$tmp \ - ${JSON_PREFIX}$tmp - done - - unset \ - ${JSON_PREFIX}JSON_SEQ \ - ${JSON_PREFIX}JSON_CUR \ - ${JSON_PREFIX}JSON_UNSET -} - -json_init() { - json_cleanup - export -n ${JSON_PREFIX}JSON_SEQ=0 - export -- \ - ${JSON_PREFIX}JSON_CUR="J_V" \ - ${JSON_PREFIX}K_J_V= -} - -json_add_object() { - _json_add_table "$1" object T -} - -json_close_object() { - _json_close_table -} - -json_add_array() { - _json_add_table "$1" array A -} - -json_close_array() { - _json_close_table -} - -json_add_string() { - local cur - _json_get_var cur JSON_CUR - _json_add_generic string "$1" "$2" "$cur" -} - -json_add_int() { - local cur - _json_get_var cur JSON_CUR - _json_add_generic int "$1" "$2" "$cur" -} - -json_add_boolean() { - local cur - _json_get_var cur JSON_CUR - _json_add_generic boolean "$1" "$2" "$cur" -} - -json_add_double() { - local cur - _json_get_var cur JSON_CUR - _json_add_generic double "$1" "$2" "$cur" -} - -# functions read access to json variables - -json_load() { - eval "`jshn -r "$1"`" -} - -json_dump() { - jshn "$@" ${JSON_PREFIX:+-p "$JSON_PREFIX"} -w -} - -json_get_type() { - local __dest="$1" - local __cur - - _json_get_var __cur JSON_CUR - local __var="${JSON_PREFIX}T_${__cur}_${2//[^a-zA-Z0-9_]/_}" - eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]" -} - -json_get_keys() { - local __dest="$1" - local _tbl_cur - - if [ -n "$2" ]; then - json_get_var _tbl_cur "$2" - else - _json_get_var _tbl_cur JSON_CUR - fi - local __var="${JSON_PREFIX}K_${_tbl_cur}" - eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]" -} - -json_get_values() { - local _v_dest="$1" - local _v_keys _v_val _select= - local _json_no_warning=1 - - unset "$_v_dest" - [ -n "$2" ] && { - json_select "$2" || return 1 - _select=1 - } - - json_get_keys _v_keys - set -- $_v_keys - while [ "$#" -gt 0 ]; do - json_get_var _v_val "$1" - __jshn_raw_append "$_v_dest" "$_v_val" - shift - done - [ -n "$_select" ] && json_select .. - - return 0 -} - -json_get_var() { - local __dest="$1" - local __cur - - _json_get_var __cur JSON_CUR - local __var="${JSON_PREFIX}${__cur}_${2//[^a-zA-Z0-9_]/_}" - eval "export -- \"$__dest=\${$__var:-$3}\"; [ -n \"\${$__var+x}\${3+x}\" ]" -} - -json_get_vars() { - while [ "$#" -gt 0 ]; do - local _var="$1"; shift - if [ "$_var" != "${_var#*:}" ]; then - json_get_var "${_var%%:*}" "${_var%%:*}" "${_var#*:}" - else - json_get_var "$_var" "$_var" - fi - done -} - -json_select() { - local target="$1" - local type - local cur - - [ -z "$1" ] && { - _json_set_var JSON_CUR "J_V" - return 0 - } - [[ "$1" == ".." ]] && { - _json_get_var cur JSON_CUR - _json_get_var cur "U_$cur" - _json_set_var JSON_CUR "$cur" - return 0 - } - json_get_type type "$target" - case "$type" in - object|array) - json_get_var cur "$target" - _json_set_var JSON_CUR "$cur" - ;; - *) - [ -n "$_json_no_warning" ] || \ - echo "WARNING: Variable '$target' does not exist or is not an array/object" - return 1 - ;; - esac -} - -json_is_a() { - local type - - json_get_type type "$1" - [ "$type" = "$2" ] -} diff --git a/lib/preload.sh b/lib/preload.sh new file mode 100644 index 0000000..8e9e7b3 --- /dev/null +++ b/lib/preload.sh @@ -0,0 +1,8 @@ +#!/bin/sh + +. /etc/zaf.conf +. ${ZAF_LIB_DIR}/zaf.lib.sh + +[ -n "$*" ] && $@ + + diff --git a/lib/zaf.lib.sh b/lib/zaf.lib.sh index b2fa1a6..9ee4a8d 100644 --- a/lib/zaf.lib.sh +++ b/lib/zaf.lib.sh @@ -5,10 +5,10 @@ zaf_msg() { echo $@ } zaf_dbg() { - [ "$ZAF_DEBUG" -ge "3" ] && logger -s -t zaf $@ + [ "$ZAF_DEBUG" -ge "2" ] && logger -s -t zaf $@ } zaf_wrn() { - [ "$ZAF_DEBUG" -ge "2" ] && logger -s -t zaf $@ + [ "$ZAF_DEBUG" -ge "1" ] && logger -s -t zaf $@ } zaf_err() { logger -s -t zaf $@ @@ -56,48 +56,73 @@ zaf_far(){ } # Initialises discovery function -zaf_discovery_init(){ - json_init - json_add_array data +zaf_discovery_begin(){ +cat <$tmpfile + rows=$(wc -l <$tmpfile) local a b c d e f g h i j; - zaf_discovery_init + zaf_discovery_begin + row=1 while read a b c d e f g h i j; do - zaf_discovery_add_row "$1" "${1:+${a}}" "$2" "${2:+${b}}" "$3" "${3:+${c}}" "$4" "${4:+${d}}" "$5" "${5:+${e}}" "$6" "${6:+${f}}" "$7" "${7:+${g}}" "$8" "${8:+${h}}" "$9" "${9:+${i}}" - done - zaf_discovery_dump + zaf_discovery_add_row "$rows" "$row" "$1" "${1:+${a}}" "$2" "${2:+${b}}" "$3" "${3:+${c}}" "$4" "${4:+${d}}" "$5" "${5:+${e}}" "$6" "${6:+${f}}" "$7" "${7:+${g}}" "$8" "${8:+${h}}" "$9" "${9:+${i}}" + row=$(expr $row + 1) + done <$tmpfile + zaf_discovery_end + rm -f $tmpfile } ############################################ Zaf internal routines -zaf_version() { - echo master -} - # Restart zabbix agent zaf_restart_agent() { + zaf_wrn "Restarting agent (${ZAF_AGENT_RESTART})" ${ZAF_AGENT_RESTART} || zaf_err "Cannot restart Zabbix agent (${ZAF_AGENT_RESTART})!" } @@ -109,8 +134,8 @@ zaf_check_agent_config() { # Update repo zaf_update_repo() { - [ "$ZAF_GIT" != 1 ] && { echo "Git is not installed."; return 1; } - ! [ -d ${ZAF_REPO_DIR} ] && git clone "${ZAF_PLUGINS_REPO}" "${ZAF_REPO_DIR}" + [ "$ZAF_GIT" != 1 ] && { zaf_err "Git is not installed. Exiting."; } + ! [ -d ${ZAF_REPO_DIR} ] && git clone "${ZAF_PLUGINS_REPO}" "${ZAF_REPO_DIR}" [ -n "${ZAF_PLUGINS_REPO}" ] && cd ${ZAF_REPO_DIR} && git pull } @@ -121,7 +146,7 @@ zaf_update_repo() { zaf_get_plugin_url() { local url if echo "$1" | grep -q '/'; then - url="$1" # plugin with path - installing from directory + url="$1" # plugin with path - from directory else if echo "$1" | grep -q ^http; then url="$1" # plugin with http[s] url @@ -137,7 +162,6 @@ zaf_get_plugin_url() { } # $1 - control -# $2 - if nonempty, show informarions instead of setting env zaf_plugin_info() { local control="$1" @@ -148,9 +172,8 @@ zaf_plugin_info() { purl=$(zaf_ctrl_get_global_block <"${control}" | zaf_block_get_option Url) phome=$(zaf_ctrl_get_global_block <"${control}" | zaf_block_get_option Home) pitems=$(zaf_ctrl_get_items <"${control}") - [ -z "$2" ] && return echo - echo -n "Plugin $plugin "; [ -n "$version" ] && echo -n "version ${pversion}"; echo ":" + echo -n "Plugin '$plugin' "; [ -n "$pversion" ] && echo -n "version ${pversion}"; echo ":" echo "$pdescription"; echo [ -n "$pmaintainer" ] && echo "Maintainer: $pmaintainer" [ -n "$purl" ] && echo "Url: $purl" @@ -160,17 +183,16 @@ zaf_plugin_info() { echo } -# Prepare plugin into tmp dir +# Prepare plugin into dir # $1 is url, directory or plugin name (will be searched in default plugin dir). # $2 is directory to prepare. -# $3 plugin name zaf_prepare_plugin() { url=$(zaf_get_plugin_url "$1")/control.zaf plugindir="$2" control=${plugindir}/control.zaf + zaf_install_dir "$plugindir" zaf_dbg "Fetching control file from $url ..." if zaf_fetch_url "$url" >"${control}"; then - zaf_plugin_info "${control}" zaf_ctrl_check_deps "${control}" else zaf_err "Cannot fetch or write control file!" @@ -178,27 +200,21 @@ zaf_prepare_plugin() { } zaf_install_plugin() { - mkdir "${ZAF_TMP_DIR}/plugin" if zaf_prepare_plugin "$1" "${ZAF_TMP_DIR}/plugin"; then plugin=$(zaf_ctrl_get_global_block <"${ZAF_TMP_DIR}/plugin/control.zaf" | zaf_block_get_option Plugin) plugindir="${ZAF_PLUGINS_DIR}"/$plugin if zaf_prepare_plugin "$1" $plugindir; then + [ "$ZAF_DEBUG" -gt 0 ] && zaf_plugin_info "${control}" zaf_ctrl_check_deps "${control}" zaf_ctrl_install "${control}" "${plugin}" - zaf_ctrl_generate_cfg "${control}" "${plugin}" - exit; - #| \ - zaf_far '{PLUGINDIR}' "$plugindir" | \ - zaf_far '{ZAFLIBDIR}' "${ZAF_LIB_DIR}" | \ - zaf_far '{ZAFLOCK}' "${ZAF_LIB_DIR}/zaflock '$plugin' " \ - >$plugindir/zabbix.conf + zaf_ctrl_generate_cfg "${control}" "${plugin}" >${ZAF_AGENT_CONFIGD}/zaf_${plugin}.conf + zaf_dbg "Generated ${ZAF_AGENT_CONFIGD}/zaf_${plugin}.conf" else zaf_err "Cannot install plugin $plugin to $plugindir!" fi else - return 1 + zaf_err "Cannot prepare plugin $1" fi - } # List installed plugins @@ -206,7 +222,15 @@ zaf_install_plugin() { zaf_list_plugins() { local cfile local plugin - cd ${ZAF_PLUGINS_DIR}; ls -1 + ls -1 ${ZAF_PLUGINS_DIR} | while read p; do + zaf_is_plugin "$(basename $p)" && echo $p + done +} + +zaf_is_plugin() { + [ -d "$1" ] && [ -f "$1/control.zaf" ] && return + [ -d "$ZAF_PLUGINS_DIR/$1" ] && [ -f "$ZAF_PLUGINS_DIR/$1/control.zaf" ] && return + false } zaf_discovery_plugins() { @@ -248,7 +272,8 @@ zaf_list_items() { } zaf_remove_plugin() { - ! [ -d ${ZAF_PLUGINS_DIR}/$1 ] && { echo "Plugin $1 not installed!"; exit 2; } + ! [ -d ${ZAF_PLUGINS_DIR}/$1 ] && { zaf_err "Plugin $1 not installed!"; } + zaf_wrn "Removing plugin $1" rm -rf ${ZAF_PLUGINS_DIR}/$1 rm -f ${ZAF_AGENT_CONFIGD}/zaf_${plugin}.conf } diff --git a/zaf b/zaf index ed637e5..b0555aa 100755 --- a/zaf +++ b/zaf @@ -1,5 +1,9 @@ #!/bin/sh +# Hardcoded variables +ZAF_VERSION="trunk" +ZAF_URL="https://raw.githubusercontent.com/limosek/zaf/master/" + ZAF_CFG_FILE="/etc/zaf.conf" if [ -f $ZAF_CFG_FILE ]; then . $ZAF_CFG_FILE @@ -10,10 +14,10 @@ fi [ -d $(dirname $0)/.git ] && ZAF_LIB_DIR=$(dirname $0)/lib [ -z "$ZAF_TMP_BASE" ] && ZAF_TMP_BASE=/tmp/zaf -ZAF_TMP_DIR="${ZAF_TMP_BASE}-${USER}-$$" +ZAF_TMP_DIR="${ZAF_TMP_BASE}-${USER}" trap "rm -rif ${ZAF_TMP_DIR}" EXIT ! [ -d "${ZAF_TMP_DIR}" ] && mkdir "${ZAF_TMP_DIR}" -[ -z "$ZAF_DEBUG" ] && ZAF_DEBUG=0 +[ -z "$ZAF_DEBUG" ] && ZAF_DEBUG=1 . ${ZAF_LIB_DIR}/zaf.lib.sh . ${ZAF_LIB_DIR}/os.lib.sh @@ -32,9 +36,16 @@ update) show) if [ -z "$2" ]; then - zaf_show_installed_plugins - else - zaf_show_plugin "$2" + zaf_list_plugins | while read plugin; do + zaf_plugin_info $ZAF_PLUGINS_DIR/$plugin/control.zaf + done + else + if zaf_list_plugins | grep -q "^$2"; then + zaf_plugin_info $ZAF_PLUGINS_DIR/$2/control.zaf + else + zaf_prepare_plugin "$2" "$ZAF_TMP_DIR/plugin" + zaf_plugin_info "$ZAF_TMP_DIR/plugin/control.zaf" + fi fi ;; @@ -58,20 +69,48 @@ install) shift; [ -z "$@" ] && echo "$0 install plugin [plugin]..." for p in $@; do + if zaf_is_plugin "$p"; then + zaf_wrn "Plugin $p already installed. Skipping installation." + continue + fi zaf_install_plugin "$p" + installed=1 done + [ -n "$installed" ] && zaf_is_root && zaf_restart_agent + ;; + +reinstall) + shift; + [ -z "$@" ] && echo "$0 reinstall plugin [plugin]..." + for p in $@; do + if zaf_is_plugin "$p"; then + zaf_remove_plugin "$p" + reinstalled=1 + fi + zaf_install_plugin "$p" + reinstalled=1 + done + [ -n "$reinstalled" ] && zaf_is_root && zaf_restart_agent ;; remove) - zaf_remove_plugin "$2" + shift; + [ -z "$@" ] && echo "$0 remove plugin [plugin]..." + for p in $@; do + if zaf_is_plugin "$p"; then + zaf_remove_plugin "$p" + removed=1 + fi + done + [ -n "$removed" ] && zaf_is_root && zaf_restart_agent ;; self-upgrade) rm -rf /tmp/zaf-installer && mkdir /tmp/zaf-installer - if zaf_fetch_url https://raw.githubusercontent.com/limosek/zaf/master/install.sh >/tmp/zaf-installer/install.sh; then + if zaf_fetch_url $ZAF_URL/install.sh >/tmp/zaf-installer/install.sh; then cd /tmp/zaf-installer && ./install.sh else - echo "Cannot fetch uri https://raw.githubusercontent.com/limosek/zaf/master/install.sh!"; + echo "Cannot fetch uri $ZAF_URL/install.sh!"; fi ;;