mirror of https://github.com/limosek/zaf.git
293 lines
9.7 KiB
Bash
Executable File
293 lines
9.7 KiB
Bash
Executable File
#!/bin/sh
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if ! [ "$(basename $0)" = "install.sh" ]; then
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# We are runing from stdin
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url="https://raw.githubusercontent.com/limosek/zaf/master/"
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if ! which curl >/dev/null;
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then
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zaf_err "Curl not found. Cannot continue. Please install it."
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fi
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echo "Installing from url $url..."
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[ -z "$*" ] && auto=auto
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set -e
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mkdir -p /tmp/zaf-installer \
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&& cd /tmp/zaf-installer \
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&& (for i in lib/zaf.lib.sh lib/os.lib.sh lib/ctrl.lib.sh install.sh ; do echo curl -f -k -s -L -o - "$url/$i" >&2; curl -f -k -s -L -o - "$url/$i"; done) >install.sh \
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&& chmod +x install.sh \
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&& exec ./install.sh $auto "$@"
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exit
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fi
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# Read options as config for ZAF
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for pair in "$@"; do
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echo $pair | grep -q '^ZAF\_' || continue
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option=$(echo $pair|cut -d '=' -f 1)
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value=$(echo $pair|cut -d '=' -f 2-)
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eval "C_${option}='$value'"
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done
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[ -z "$ZAF_CFG_FILE" ] && ZAF_CFG_FILE=$INSTALL_PREFIX/etc/zaf.conf
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[ -n "$C_ZAF_DEBUG" ] && ZAF_DEBUG=$C_ZAF_DEBUG
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[ -z "$ZAF_DEBUG" ] && ZAF_DEBUG=1
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if [ -f $(dirname $0)/lib/zaf.lib.sh ]; then
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. $(dirname $0)/lib/zaf.lib.sh
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. $(dirname $0)/lib/os.lib.sh
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. $(dirname $0)/lib/ctrl.lib.sh
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fi
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# Read option. If it is already set in zaf.conf, it is skipped. If env variable is set, it is used instead of default
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# It sets global variable name on result.
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# $1 - option name
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# $2 - option description
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# $3 - default
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# $4 - if $4="auto" , use autoconf. if $4="user", force asking.
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zaf_get_option(){
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local opt
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eval opt=\$C_$1
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if [ -n "$opt" ]; then
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eval "$1='$opt'"
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zaf_dbg "Got '$2' <$1> from CLI: $opt"
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return
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fi
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eval opt=\$$1
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if [ -n "$opt" ] && ! [ "$4" = "user" ]; then
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eval "$1='$opt'"
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zaf_dbg "Got '$2' <$1> from ENV: $opt"
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return
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else
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opt="$3"
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fi
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if ! [ "$4" = "auto" ]; then
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echo -n "$2 <$1> [$opt]: "
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read opt
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else
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opt=""
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fi
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if [ -z "$opt" ]; then
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opt="$3"
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zaf_dbg "Got '$2' <$1> from Defaults: $opt" >&2
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else
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zaf_dbg "Got '$2' <$1> from USER: $opt"
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fi
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eval "$1='$opt'"
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}
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# Sets option to zaf.conf
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# $1 option name
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# $2 option value
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zaf_set_option(){
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local description
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if ! grep -q "^$1=" ${ZAF_CFG_FILE}; then
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echo "$1='$2'" >>${ZAF_CFG_FILE}
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zaf_dbg "Saving $1 to $2 in ${ZAF_CFG_FILE}" >&2
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else
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zaf_wrn "Preserving $1 to $2 in ${ZAF_CFG_FILE}" >&2
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fi
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}
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zaf_getrest(){
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if [ -f "$(dirname $0)/$1" ]; then
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echo "$(dirname $0)/$1"
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else
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curl -f -k -s -L -o - https://raw.githubusercontent.com/limosek/zaf/master/$1 >${ZAF_TMP_DIR}/$(basename $1)
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echo ${ZAF_TMP_DIR}/$(basename $1)
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fi
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}
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# Set config option in zabbix agent
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# $1 option
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# $2 value
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# $3 if nonempty, do not remove opion from config, just add to the end
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zaf_set_agent_option() {
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local option="$1"
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local value="$2"
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if [ -n "$3" ]; then
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if ! grep -q "^$1=$2" $ZAF_AGENT_CONFIG; then
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zaf_dbg "Adding option $option to $ZAF_AGENT_CONFIG."
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echo "$option=$value" >>$ZAF_AGENT_CONFIG
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fi
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return
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fi
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if grep ^$option\= $ZAF_AGENT_CONFIG; then
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zaf_wrn "Moving option $option to zaf config part."
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sed -i "s/$option=/#$option=/" $ZAF_AGENT_CONFIG
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fi
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[ -n "$2" ] && echo "$option=$value" >> "$ZAF_AGENT_CONFIGD/zaf_options.conf"
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}
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# Automaticaly configure agent if supported
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# Parameters are in format Z_zabbixconfvar=value
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zaf_configure_agent() {
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local pair
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local option
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local value
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local options
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zaf_install_dir "$ZAF_AGENT_CONFIGD"
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echo -n >"$ZAF_AGENT_CONFIGD/zaf_options.conf" || zaf_err "Cannot access $ZAF_AGENT_CONFIGD/zaf_options.conf"
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! [ -f "$ZAF_AGENT_CONFIG" ] && zaf_install "$ZAF_AGENT_CONFIG"
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for pair in "$@"; do
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echo $pair | grep -q '^Z\_' || continue # Skip non Z_ vars
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option=$(echo $pair|cut -d '=' -f 1|cut -d '_' -f 2)
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value=$(echo $pair|cut -d '=' -f 2-)
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zaf_set_agent_option "$option" "$value"
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options="$options Z_$option='$value'"
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done
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zaf_set_option ZAF_AGENT_OPTIONS "${options}"
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}
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zaf_configure(){
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zaf_detect_system
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zaf_os_specific zaf_configure_os
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if ! zaf_is_root; then
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[ -z "$INSTALL_PREFIX" ] && zaf_err "We are not root. Use INSTALL_PREFIX or become root."
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fi
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zaf_get_option ZAF_PKG "Packaging system to use" "$ZAF_PKG" "$1"
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zaf_get_option ZAF_OS "Operating system to use" "$ZAF_OS" "$1"
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zaf_get_option ZAF_OS_CODENAME "Operating system codename" "$ZAF_OS_CODENAME" "$1"
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zaf_get_option ZAF_AGENT_PKG "Zabbix agent package" "$ZAF_AGENT_PKG" "$1"
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zaf_get_option ZAF_AGENT_OPTIONS "Zabbix options to set in cfg" "$ZAF_AGENT_OPTIONS" "$1"
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if zaf_is_root && [ -n "$ZAF_AGENT_PKG" ]; then
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if ! zaf_os_specific zaf_check_deps "$ZAF_AGENT_PKG"; then
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if [ "$1" = "auto" ]; then
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zaf_os_specific zaf_install_agent
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fi
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fi
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fi
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if which git >/dev/null; then
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ZAF_GIT=1
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else
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ZAF_GIT=""
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fi
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zaf_get_option ZAF_CURL_INSECURE "Insecure curl (accept all certificates)" "1" "$1"
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zaf_get_option ZAF_TMP_BASE "Tmp directory prefix (\$USER will be added)" "/tmp/zaf" "$1"
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zaf_get_option ZAF_LIB_DIR "Libraries directory" "/usr/lib/zaf" "$1"
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zaf_get_option ZAF_BIN_DIR "Directory to put binaries" "/usr/bin" "$1"
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zaf_get_option ZAF_PLUGINS_DIR "Plugins directory" "${ZAF_LIB_DIR}/plugins" "$1"
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[ "${ZAF_GIT}" = 1 ] && zaf_get_option ZAF_PLUGINS_GITURL "Git plugins repository" "https://github.com/limosek/zaf-plugins.git" "$1"
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zaf_get_option ZAF_PLUGINS_URL "Plugins http[s] repository" "https://raw.githubusercontent.com/limosek/zaf-plugins/master/" "$1"
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zaf_get_option ZAF_REPO_DIR "Plugins directory" "${ZAF_LIB_DIR}/repo" "$1"
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zaf_get_option ZAF_AGENT_CONFIG "Zabbix agent config" "/etc/zabbix/zabbix_agentd.conf" "$1"
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! [ -d "${ZAF_AGENT_CONFIGD}" ] && [ -d "/etc/zabbix/zabbix_agentd.d" ] && ZAF_AGENT_CONFIGD="/etc/zabbix/zabbix_agentd.d"
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zaf_get_option ZAF_AGENT_CONFIGD "Zabbix agent config.d" "/etc/zabbix/zabbix_agentd.conf.d/" "$1"
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zaf_get_option ZAF_AGENT_BIN "Zabbix agent binary" "/usr/sbin/zabbix_agentd" "$1"
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zaf_get_option ZAF_AGENT_RESTART "Zabbix agent restart cmd" "service zabbix-agent restart" "$1"
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if zaf_is_root && ! [ -x $ZAF_AGENT_BIN ]; then
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zaf_err "Zabbix agent ($ZAF_AGENT_BIN) not installed? Use ZAF_AGENT_BIN env variable to specify location. Exiting."
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fi
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[ -n "$INSTALL_PREFIX" ] && zaf_install_dir "/etc"
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if ! [ -f "${ZAF_CFG_FILE}" ]; then
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touch "${ZAF_CFG_FILE}" || zaf_err "No permissions to ${ZAF_CFG_FILE}"
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fi
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zaf_set_option ZAF_PKG "${ZAF_PKG}"
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zaf_set_option ZAF_OS "${ZAF_OS}"
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zaf_set_option ZAF_OS_CODENAME "${ZAF_OS_CODENAME}"
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zaf_set_option ZAF_AGENT_PKG "${ZAF_AGENT_PKG}"
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zaf_set_option ZAF_GIT "${ZAF_GIT}"
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zaf_set_option ZAF_CURL_INSECURE "${ZAF_CURL_INSECURE}"
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zaf_set_option ZAF_TMP_BASE "$ZAF_TMP_BASE"
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zaf_set_option ZAF_LIB_DIR "$ZAF_LIB_DIR"
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zaf_set_option ZAF_BIN_DIR "$ZAF_BIN_DIR"
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zaf_set_option ZAF_PLUGINS_DIR "$ZAF_PLUGINS_DIR"
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zaf_set_option ZAF_PLUGINS_URL "$ZAF_PLUGINS_URL"
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[ "${ZAF_GIT}" = 1 ] && zaf_set_option ZAF_PLUGINS_GITURL "$ZAF_PLUGINS_GITURL"
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zaf_set_option ZAF_REPO_DIR "$ZAF_REPO_DIR"
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zaf_set_option ZAF_AGENT_CONFIG "$ZAF_AGENT_CONFIG"
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zaf_set_option ZAF_AGENT_CONFIGD "$ZAF_AGENT_CONFIGD"
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zaf_set_option ZAF_AGENT_BIN "$ZAF_AGENT_BIN"
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zaf_set_option ZAF_AGENT_RESTART "$ZAF_AGENT_RESTART"
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ZAF_TMP_DIR="${ZAF_TMP_BASE}-${USER}-$$"
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}
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if [ -f "${ZAF_CFG_FILE}" ]; then
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. "${ZAF_CFG_FILE}"
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fi
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ZAF_TMP_DIR="${ZAF_TMP_BASE-/tmp/zaf}-${USER}-$$"
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case $1 in
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interactive)
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shift
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zaf_configure interactive
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$0 install "$@"
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;;
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auto)
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shift
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zaf_configure auto
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$0 install "$@"
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;;
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debug-auto)
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shift;
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ZAF_DEBUG=3 $0 auto "$@"
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;;
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debug-interactive)
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shift;
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ZAF_DEBUG=3 $0 interactive "$@"
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;;
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debug)
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shift;
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ZAF_DEBUG=3 $0 install "$@"
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;;
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reconf)
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shift;
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rm -f $ZAF_CFG_FILE
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$0 install "$@"
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;;
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install)
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zaf_configure auto
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rm -rif ${ZAF_TMP_DIR}
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mkdir -p ${ZAF_TMP_DIR}
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if zaf_is_root; then
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zaf_configure_agent $ZAF_AGENT_OPTIONS "$@"
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zaf_set_agent_option "Include" "$ZAF_AGENT_CONFIGD" append
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fi
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zaf_install_dir ${ZAF_LIB_DIR}
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zaf_install_dir ${ZAF_PLUGINS_DIR}
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zaf_install $(zaf_getrest lib/zaf.lib.sh) ${ZAF_LIB_DIR}
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zaf_install $(zaf_getrest lib/os.lib.sh) ${ZAF_LIB_DIR}
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zaf_install $(zaf_getrest lib/ctrl.lib.sh) ${ZAF_LIB_DIR}
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zaf_install_bin $(zaf_getrest lib/zaflock) ${ZAF_LIB_DIR}
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zaf_install_bin $(zaf_getrest lib/preload.sh) ${ZAF_LIB_DIR}
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zaf_install_dir ${ZAF_TMP_DIR}/p/zaf
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zaf_install_dir ${ZAF_PLUGINS_DIR}
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zaf_install_dir ${ZAF_BIN_DIR}
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zaf_install_bin $(zaf_getrest zaf) ${ZAF_BIN_DIR}
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export INSTALL_PREFIX ZAF_CFG_FILE ZAF_DEBUG
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if zaf_is_root; then
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[ "${ZAF_GIT}" = 1 ] && ${INSTALL_PREFIX}/${ZAF_BIN_DIR}/zaf update
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${INSTALL_PREFIX}/${ZAF_BIN_DIR}/zaf reinstall zaf || zaf_err "Error installing zaf plugin."
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if zaf_is_root && ! zaf_test_item zaf.framework_version; then
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echo "Something is wrong with zabbix agent config."
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echo "Ensure that zabbix_agentd reads ${ZAF_AGENT_CONFIG}"
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echo "and there is Include=${ZAF_AGENT_CONFIGD} directive inside."
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echo "Does ${ZAF_AGENT_RESTART} work?"
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exit 1
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fi
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fi
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rm -rif ${ZAF_TMP_DIR}
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echo "Install OK. Use 'zaf' without parameters to continue."
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;;
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*)
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echo
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echo "Please specify how to install."
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echo "install.sh {auto|interactive|debug-auto|debug-interactive|reconf} [Agent-Options] [Zaf-Options]"
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echo "scratch means that config file will be created from scratch"
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echo " Agent-Options: A_Option=value [...]"
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echo " Zaf-Options: ZAF_OPT=value [...]"
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echo
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echo "Example 1 (default install): install.sh auto"
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echo 'Example 2 (preconfigure agent options): install.sh auto A_Server=zabbix.server A_ServerActive=zabbix.server A_Hostname=$(hostname)'
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echo "Example 3 (preconfigure zaf packaging system to use): install.sh auto ZAF_PKG=opkg"
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echo "Example 4 (interactive): install.sh interactive"
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echo
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exit 1
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esac
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