mirror of
https://github.com/limosek/zaf.git
synced 2024-11-10 20:57:21 +01:00
419 lines
13 KiB
Bash
Executable File
419 lines
13 KiB
Bash
Executable File
#!/bin/sh
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############### Functions
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# Lite version of zaf_fetch_url, full version will be loaded later
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zaf_fetch_url(){
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echo curl -f -k -s -L -o - "$1" >&2;
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curl -f -k -s -L -o - "$1"
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}
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# Lite version of zaf_err, full version will be loaded later
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zaf_err() {
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logger ${ZAF_LOG_STDERR} -p user.err -t zaf-error -- $@
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logger ${ZAF_LOG_STDERR} -p user.err -t zaf-error "Exiting with error!"
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exit 1
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}
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# Download tgz and extract to tmpdir
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zaf_download_files() {
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[ -z $ZAF_DIR ] && zaf_err "ZAF_DIR not set!"
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rm -rf $ZAF_DIR
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zaf_fetch_url $ZAF_URL/archive/$ZAF_GITBRANCH.tar.gz | tar -f - -C $ZAF_TMP_DIR -zx && mv $ZAF_TMP_DIR/zaf-$ZAF_GITBRANCH $ZAF_DIR || zaf_err "Cannot download and unpack zaf!"
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}
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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}"
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else
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sed -i "s#^$1=\(.*\)#$1='$2'#" ${ZAF_CFG_FILE}
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zaf_dbg "Changing $1 to $2 in ${ZAF_CFG_FILE}"
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fi
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}
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# Set config option in zabbix agent config file
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# $1 option
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# $2 value
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zaf_set_agent_option() {
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local option="$1"
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local value="$2"
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if grep -q ^$option\= $ZAF_AGENT_CONFIG; then
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zaf_dbg "Setting option $option in $ZAF_AGENT_CONFIG."
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sed -i "s/$option=\(.*\)/$option=$2/" $ZAF_AGENT_CONFIG
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else
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zaf_move_agent_option "$1" "$2"
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fi
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}
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# Unset config option in zabbix agent config file
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# $1 option
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zaf_unset_agent_option() {
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local option="$1"
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local value="$2"
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if grep -q ^$option\= $ZAF_AGENT_CONFIG; then
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zaf_dbg "Unsetting option $option in $ZAF_AGENT_CONFIG."
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sed -i "s/$option=\(.*\)/#$option=$2/" $ZAF_AGENT_CONFIG
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fi
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}
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# Add config option in zabbix agent config file
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# $1 option
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# $2 value
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zaf_add_agent_option() {
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local option="$1"
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local value="$2"
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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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}
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# Move config option fron zabbix agent config file to zaf options file and set value
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# $1 option
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# $2 value
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zaf_move_agent_option() {
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local option="$1"
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local value="$2"
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if grep -q ^$option\= $ZAF_AGENT_CONFIG; then
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zaf_dbg "Moving option $option from $ZAF_AGENT_CONFIG to ."
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sed -i "s/$option=(.*)/$option=$2/" $ZAF_AGENT_CONFIG
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fi
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[ -n "$value" ] && 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 $pair|cut -d '=' -f 2-)
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if [ -n "$value" ]; then
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zaf_set_agent_option "$option" "$value"
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else
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zaf_unset_agent_option "$option"
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fi
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options="$options Z_$option=$value"
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done
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zaf_set_option ZAF_AGENT_OPTIONS "${options}"
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}
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zaf_preconfigure(){
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zaf_detect_system
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zaf_os_specific zaf_configure_os
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if ! zaf_is_root; then
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[ -z "$INSTALL_PREFIX" ] && zaf_err "We are not root. Use INSTALL_PREFIX or become root."
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else
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[ "$1" != "reconf" ] && zaf_os_specific zaf_check_deps zaf && zaf_err "Zaf is installed as system package. Cannot install."
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fi
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}
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zaf_configure(){
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zaf_get_option ZAF_PKG "Packaging system to use" "$ZAF_PKG" "$INSTALL_MODE"
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zaf_get_option ZAF_OS "Operating system to use" "$ZAF_OS" "$INSTALL_MODE"
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zaf_get_option ZAF_OS_CODENAME "Operating system codename" "$ZAF_OS_CODENAME" "$INSTALL_MODE"
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zaf_get_option ZAF_AGENT_PKG "Zabbix agent package" "$ZAF_AGENT_PKG" "$INSTALL_MODE"
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zaf_get_option ZAF_AGENT_OPTIONS "Zabbix options to set in cfg" "$ZAF_AGENT_OPTIONS" "$INSTALL_MODE"
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if zaf_is_root && [ -n "$ZAF_AGENT_PKG" ]; then
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if ! zaf_os_specific zaf_check_deps "$ZAF_AGENT_PKG"; then
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if [ "$INSTALL_MODE" = "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=0
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fi
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zaf_get_option ZAF_GIT "Git is installed" "$ZAF_GIT" "$INSTALL_MODE"
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zaf_get_option ZAF_CURL_INSECURE "Insecure curl (accept all certificates)" "1" "$INSTALL_MODE"
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zaf_get_option ZAF_TMP_BASE "Tmp directory prefix (\$USER will be added)" "/tmp/zaf" "$INSTALL_MODE"
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zaf_get_option ZAF_LIB_DIR "Libraries directory" "/usr/lib/zaf" "$INSTALL_MODE"
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zaf_get_option ZAF_BIN_DIR "Directory to put binaries" "/usr/bin" "$INSTALL_MODE"
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zaf_get_option ZAF_PLUGINS_DIR "Plugins directory" "${ZAF_LIB_DIR}/plugins" "$INSTALL_MODE"
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[ "${ZAF_GIT}" = 1 ] && zaf_get_option ZAF_REPO_GITURL "Git plugins repository" "https://github.com/limosek/zaf-plugins.git" "$INSTALL_MODE"
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zaf_get_option ZAF_REPO_URL "Plugins http[s] repository" "https://raw.githubusercontent.com/limosek/zaf-plugins/master/" "$INSTALL_MODE"
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zaf_get_option ZAF_REPO_DIR "Plugins directory" "${ZAF_LIB_DIR}/repo" "$INSTALL_MODE"
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zaf_get_option ZAF_AGENT_CONFIG "Zabbix agent config" "/etc/zabbix/zabbix_agentd.conf" "$INSTALL_MODE"
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! [ -d "${ZAF_AGENT_CONFIGD}" ] && [ -d "/etc/zabbix/zabbix_agentd.d" ] && ZAF_AGENT_CONFIGD="/etc/zabbix/zabbix_agentd.d"
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zaf_get_option ZAF_AGENT_CONFIGD "Zabbix agent config.d" "/etc/zabbix/zabbix_agentd.conf.d/" "$INSTALL_MODE"
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zaf_get_option ZAF_AGENT_BIN "Zabbix agent binary" "/usr/sbin/zabbix_agentd" "$INSTALL_MODE"
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zaf_get_option ZAF_AGENT_RESTART "Zabbix agent restart cmd" "service zabbix-agent restart" "$INSTALL_MODE"
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zaf_get_option ZAF_SUDOERSD "Sudo sudoers.d directory" "/etc/sudoers.d" "$INSTALL_MODE"
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zaf_get_option ZAF_CROND "Cron.d directory" "/etc/cron.d" "$INSTALL_MODE"
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zaf_get_option ZAF_ZBXAPI_URL "Zabbix API url" "http://localhost/zabbix/api_jsonrpc.php" "$INSTALL_MODE"
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zaf_get_option ZAF_ZBXAPI_USER "Zabbix API user" "zaf" "$INSTALL_MODE"
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zaf_get_option ZAF_ZBXAPI_PASS "Zabbix API password" "" "$INSTALL_MODE"
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zaf_get_option ZAF_ZBXAPI_AUTHTYPE "Zabbix API authentication type" "internal" "$INSTALL_MODE"
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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 "$ZAF_PLUGINS_DIR"
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zaf_set_option ZAF_REPO_URL "$ZAF_REPO_URL"
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[ "${ZAF_GIT}" = 1 ] && zaf_set_option ZAF_REPO_GITURL "$ZAF_REPO_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_FILES_UID "$ZAF_FILES_UID"
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zaf_set_option ZAF_FILES_GID "$ZAF_FILES_GID"
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zaf_set_option ZAF_FILES_UMASK "$ZAF_FILES_UMASK"
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zaf_set_option ZAF_AGENT_RESTART "$ZAF_AGENT_RESTART"
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zaf_set_option ZAF_SUDOERSD "$ZAF_SUDOERSD"
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zaf_set_option ZAF_CROND "$ZAF_CROND"
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zaf_set_option ZAF_ZBXAPI_URL "$ZAF_ZBXAPI_URL"
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zaf_set_option ZAF_ZBXAPI_USER "$ZAF_ZBXAPI_USER"
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zaf_set_option ZAF_ZBXAPI_PASS "$ZAF_ZBXAPI_PASS"
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zaf_set_option ZAF_ZBXAPI_AUTHTYPE "$ZAF_ZBXAPI_AUTHTYPE"
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[ -n "$ZAF_PREPACKAGED_DIR" ] && zaf_set_option ZAF_PREPACKAGED_DIR "$ZAF_PREPACKAGED_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_add_agent_option "Include" "$ZAF_AGENT_CONFIGD"
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fi
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}
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zaf_install_all() {
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zaf_install_dir ${ZAF_LIB_DIR}
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for i in lib/zaf.lib.sh lib/plugin.lib.sh lib/os.lib.sh lib/ctrl.lib.sh lib/cache.lib.sh lib/zbxapi.lib.sh lib/JSON.sh README.md; do
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zaf_install $i ${ZAF_LIB_DIR}/ || zaf_err "Error installing $i"
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done
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for i in lib/zaflock lib/zafcache lib/preload.sh; do
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zaf_install_bin $i ${ZAF_LIB_DIR}/ || zaf_err "Error installing $i"
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done
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zaf_install_dir ${ZAF_BIN_DIR}
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for i in zaf; do
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zaf_install_bin $i ${ZAF_BIN_DIR}/ || zaf_err "Error installing $i"
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done
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zaf_install_dir ${ZAF_PLUGINS_DIR}
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zaf_install_dir ${ZAF_PLUGINS_DIR}
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zaf_install_dir ${ZAF_BIN_DIR}
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}
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zaf_postconfigure() {
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if zaf_is_root; then
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${INSTALL_PREFIX}/${ZAF_BIN_DIR}/zaf cache-clean
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[ "${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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${INSTALL_PREFIX}/${ZAF_BIN_DIR}/zaf agent-config || zaf_err "Error configuring agent."
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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 ${ZAF_AGENT_RESTART} work?"
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exit 1
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fi
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else
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[ "${ZAF_GIT}" = 1 ] && [ -n "${INSTALL_PREFIX}" ] && git clone "${ZAF_REPO_GITURL}" "${INSTALL_PREFIX}/${ZAF_REPO_DIR}"
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fi
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zaf_wrn "Install done. Use 'zaf' to get started."
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true
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}
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############ First stage Init
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if ! [ -f README.md ]; then
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# Hardcoded variables
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ZAF_VERSION="1.2"
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ZAF_GITBRANCH="1.2"
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ZAF_URL="https://github.com/limosek/zaf"
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ZAF_RAW_URL="https://raw.githubusercontent.com/limosek/zaf"
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export ZAF_TMP_DIR="/tmp/zaf-installer"
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export ZAF_DIR="$ZAF_TMP_DIR/zaf"
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mkdir -p $ZAF_TMP_DIR
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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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zaf_download_files && cd $ZAF_DIR && exec ./install.sh $auto "$@"
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echo "Error downloading and runing installer!" >&2
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exit 2
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fi
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# Try to load local downloaded libs
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if ! type zaf_version >/dev/null; then
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. lib/zaf.lib.sh
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. lib/plugin.lib.sh
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. lib/os.lib.sh
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. lib/ctrl.lib.sh
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. lib/cache.lib.sh
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. lib/zbxapi.lib.sh
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fi
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# If something was wrong reading libs, then exit
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if ! type zaf_version >/dev/null; then
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echo "Problem loading libraries?"
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exit 2
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fi
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########### Second stage init (all functions loaded)
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[ -z "$ZAF_CFG_FILE" ] && ZAF_CFG_FILE=$INSTALL_PREFIX/etc/zaf.conf
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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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export ZAF_TMP_DIR="/tmp/zaf-installer"
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export ZAF_DIR="$ZAF_TMP_DIR/zaf"
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zaf_debug_init stderr
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zaf_tmp_init
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zaf_cache_init
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# Read options as config for ZAF
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for pair in "$@"; 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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zaf_wrn "Overriding $option from cmdline."
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done
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case $1 in
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interactive)
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shift
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INSTALL_MODE=interactive
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zaf_preconfigure
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zaf_configure "$@"
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zaf_install_all
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zaf_postconfigure
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;;
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auto)
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shift
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INSTALL_MODE=auto
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zaf_preconfigure
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zaf_configure "$@"
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zaf_install_all
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zaf_postconfigure
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;;
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debug-auto)
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shift;
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ZAF_DEBUG=4
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INSTALL_MODE=auto
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zaf_preconfigure
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zaf_configure "$@"
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zaf_install_all
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zaf_postconfigure
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;;
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debug-interactive)
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shift;
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ZAF_DEBUG=4
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INSTALL_MODE=interactive
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zaf_preconfigure
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zaf_configure "$@"
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zaf_install_all
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zaf_postconfigure
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;;
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debug)
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shift;
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ZAF_DEBUG=4
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INSTALL_MODE=auto
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zaf_preconfigure
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zaf_configure "$@"
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zaf_install_all
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zaf_postconfigure
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;;
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reconf)
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shift;
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rm -f $ZAF_CFG_FILE
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INSTALL_MODE=auto
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zaf_preconfigure reconf
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zaf_configure "$@"
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zaf_postconfigure
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;;
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install)
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INSTALL_MODE=auto
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zaf_preconfigure nor
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zaf_configure "$@"
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zaf_install_all
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zaf_postconfigure
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;;
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*)
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echo
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echo "Please specify how to install."
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echo "install.sh {auto|interactive|debug-auto|debug-interactive|reconf} [Agent-Options] [Zaf-Options]"
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echo "scratch means that config file will be created from scratch"
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echo " Agent-Options: Z_Option=value [...]"
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echo " Zaf-Options: ZAF_OPT=value [...]"
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echo " To unset Agent-Option use Z_Option=''"
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echo
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echo "Example 1 (default install): install.sh auto"
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echo 'Example 2 (preconfigure agent options): install.sh auto A_Server=zabbix.server A_ServerActive=zabbix.server A_Hostname=$(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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