2016-03-23 17:25:18 +01:00
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2016-03-24 15:46:42 +01:00
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. /etc/zaf.conf
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. ${ZAF_LIB_DIR}/jshn.sh
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ZAF_TMP_DIR="${ZAF_TMP_BASE}-${USER}-$$"
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trap "rm -rif ${ZAF_TMP_DIR}" EXIT
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! [ -d "${ZAF_TMP_DIR}" ] && mkdir "${ZAF_TMP_DIR}"
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2016-03-24 09:38:34 +01:00
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# Fetch url to stdout
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# $1 url
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# It supports real file, file:// and other schemes known by curl
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2016-03-23 17:25:18 +01:00
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zaf_fetch_url() {
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local scheme
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local uri
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scheme=$(echo $1|cut -d ':' -f 1)
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uri=$(echo $1|cut -d '/' -f 3-)
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if [ "$1" = "$scheme" ]; then
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cat "$1"
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fi
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case $scheme in
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http|https|ftp|file)
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curl -f -s -L -o - "$1";
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;;
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esac
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}
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2016-03-24 09:38:34 +01:00
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# Find and replace string
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2016-03-23 17:25:18 +01:00
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zaf_far(){
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local f
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local t
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local sedcmd="sed"
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i=1
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while [ "$i" -lt "$#" ];
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do
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eval f=\$${i}
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i=$(expr $i + 1)
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eval t=\$${i}
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i=$(expr $i + 1)
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sedcmd="$sedcmd -e 's~$f~$t~g'"
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done
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eval $sedcmd
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}
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2016-03-24 09:38:34 +01:00
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# Restart zabbix agent
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2016-03-23 17:25:18 +01:00
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zaf_restart_agent() {
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${ZAF_AGENT_RESTART}
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}
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2016-03-24 09:38:34 +01:00
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# Check if zaf.version item is populated
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2016-03-23 17:25:18 +01:00
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zaf_check_agent_config() {
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zaf_restart_agent
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zabbix_agentd -t zaf.version
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}
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2016-03-23 14:37:51 +01:00
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# Update repo
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zaf_update_repo() {
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2016-03-24 15:46:42 +01:00
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[ "$ZAF_GIT" != 1 ] && { echo "Git is not installed."; return 1; }
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! [ -d ${ZAF_REPO_DIR} ] && git clone "${ZAF_PLUGINS_REPO}" "${ZAF_REPO_DIR}"
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2016-03-23 17:25:18 +01:00
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[ -n "${ZAF_PLUGINS_REPO}" ] && cd ${ZAF_REPO_DIR} && git pull
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2016-03-23 14:37:51 +01:00
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}
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2016-03-23 17:25:18 +01:00
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# Check plugin url
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# $1 plugin uri
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# $2 local file to fetch
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zaf_plugin_fetch_control() {
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[ -z "$1" ] && return -1
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local name=$(basename "$1")
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zaf_fetch_url "$1/control" >"$2"
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}
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# Get option from control file
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# $1 control file
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# $2 option
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zaf_ctrl_get_option() {
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2016-03-24 15:46:42 +01:00
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awk 'BEGIN { FS=": "; }; /^'$2': / { printf $2$3$4$5"\n"; }' <$1
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}
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# Get description from control file
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# $1 control file
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# $2 option
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zaf_ctrl_get_description() {
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awk \
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"/^$2/"' { i=1;
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while (1) {
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getline; if (substr($0,0,1) != " ") exit;
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printf $0"\n";
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}
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}' <$1
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2016-03-23 17:25:18 +01:00
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}
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zaf_ctrl_binary_deps() {
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local deps
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deps=$(zaf_ctrl_get_option "$1" Binary-Depends)
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for cmd in $deps; do
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if ! which $cmd >/dev/null; then
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echo "Missing binary dependency $cmd. Please install it first."
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exit 5
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fi
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done
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}
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zaf_ctrl_install_bin() {
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local binaries
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local pdir
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binaries=$(zaf_ctrl_get_option "$1" Install-bin)
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pdir="${ZAF_PLUGINS_DIR}/${2}/"
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for b in $binaries; do
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zaf_fetch_url "$url/$b" >"$pdir/$b"
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chmod +x "$pdir/$b"
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done
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}
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# Generates zabbix cfg from control file
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# $1 control
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# $2 pluginname
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zaf_ctrl_generate_cfg() {
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local items
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local cmd
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2016-03-24 15:46:42 +01:00
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local ilock
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2016-03-23 17:25:18 +01:00
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items=$(zaf_ctrl_get_option "$1" Item)
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for i in $items; do
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2016-03-24 15:46:42 +01:00
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ilock=$(echo $i | tr -d '[]*&;:')
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2016-03-23 17:25:18 +01:00
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cmd=$(zaf_ctrl_get_option "$1" "Item-cmd-$i")
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echo "UserParameter=$2.${i},$cmd"
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done
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2016-03-23 14:37:51 +01:00
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}
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# Install plugin.
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# Parameter is url, directory or plugin name (will be searched in default plugin dir)
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zaf_install_plugin() {
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2016-03-23 17:25:18 +01:00
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local url
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local control
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local plugin
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local plugindir
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if echo "$1" | grep -qv '/'; then
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url="${ZAF_REPO_DIR}/$1"
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else
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url="$1"
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fi
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2016-03-24 15:46:42 +01:00
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plugin="plug$$"
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2016-03-23 17:25:18 +01:00
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rm -rf ${ZAF_TMP_DIR}/${plugin}
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control=${ZAF_TMP_DIR}/${plugin}/control
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mkdir -p "${ZAF_TMP_DIR}/${plugin}"
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if zaf_plugin_fetch_control "$url" "${control}"; then
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set -e
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2016-03-24 15:46:42 +01:00
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plugin=$(zaf_ctrl_get_option "${control}" Plugin)
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if [ -n "$plugin" ]; then
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echo Installing plugin $plugin from $url...
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plugindir="${ZAF_PLUGINS_DIR}/${plugin}"
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zaf_ctrl_binary_deps "${control}"
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mkdir -p $plugindir
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zaf_ctrl_install_bin "${control}" "${plugin}"
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zaf_ctrl_generate_cfg "${control}" "${plugin}" | \
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zaf_far '{PLUGINDIR}' "$plugindir" | \
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zaf_far '{ZAFLIB}' ". ${ZAF_LIB_DIR}/zaf.lib.sh; " | \
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zaf_far '{ZAFLOCK}' "${ZAF_LIB_DIR}/zaflock '$plugin' " \
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>${ZAF_AGENT_CONFIGD}/zaf_${plugin}.conf
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zaf_restart_agent
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cp $control "$plugindir"/
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zaf_fetch_url $url/template.xml >"$plugindir"/template.xml
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else
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echo "Bad control file!"
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cat $control
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exit 4
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fi
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2016-03-23 17:25:18 +01:00
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else
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echo "Cannot fetch control file!"
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exit 4
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fi
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}
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2016-03-24 15:46:42 +01:00
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# Show installed plugins (human readable)
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# $1 - plugin
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zaf_show_installed_plugins() {
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local cfile
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local plugin
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cd ${ZAF_PLUGINS_DIR}; ls --hide '.' -1 | while read plugin; do
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cfile=${ZAF_PLUGINS_DIR}/$plugin/control
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echo Plugin $plugin:
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zaf_ctrl_get_description $cfile Plugin:
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echo "Homepage:" $(zaf_ctrl_get_option $cfile Web)
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echo "Maintainer:" $(zaf_ctrl_get_option $cfile Maintainer)
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echo
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done
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}
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# List installed plugins
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# $1 - plugin
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zaf_list_plugins() {
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local cfile
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local plugin
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cd ${ZAF_PLUGINS_DIR}; ls --hide '.' -1
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}
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zaf_show_plugin() {
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2016-03-23 17:25:18 +01:00
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local items
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local plugindir
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2016-03-24 15:46:42 +01:00
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local cfile
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local tst
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2016-03-23 17:25:18 +01:00
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2016-03-24 15:46:42 +01:00
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if [ -z "$1" ]; then
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echo "Missing plugin name";
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exit 1
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fi
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[ -n "$2" ] && tst=1
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2016-03-23 17:25:18 +01:00
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plugindir="${ZAF_PLUGINS_DIR}/$1"
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2016-03-24 15:46:42 +01:00
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cfile="$plugindir/control"
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if [ -d "$plugindir" ] ; then
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echo "Plugin $1:"
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zaf_ctrl_get_description "$cfile" "Plugin:"
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echo "Homepage:" $(zaf_ctrl_get_option $cfile Web)
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echo "Maintainer:" $(zaf_ctrl_get_option $cfile Maintainer)
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items=$(zaf_list_plugin_items $1)
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echo
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echo "Supported items:"
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for i in $items; do
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echo -n "$1.$i: "
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[ -n "$tst" ] && ${ZAF_AGENT_BIN} -t "$1.$i"
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echo
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zaf_ctrl_get_description "$cfile" "Item: $i";
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echo
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done
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2016-03-23 17:25:18 +01:00
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else
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echo "Plugin $1 not installed"
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fi
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}
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2016-03-24 15:46:42 +01:00
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zaf_list_plugin_items() {
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if [ -z "$1" ]; then
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echo "Missing plugin name";
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exit 1
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fi
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plugindir="${ZAF_PLUGINS_DIR}/$1"
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cfile="$plugindir/control"
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if [ -d "$plugindir" ] ; then
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zaf_ctrl_get_option "$cfile" Item
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else
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echo "Plugin $1 not installed"
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fi
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}
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zaf_list_items() {
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for p in $(zaf_list_plugins); do
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zaf_list_plugin_items $p
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done
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}
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2016-03-23 17:25:18 +01:00
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zaf_remove_plugin() {
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2016-03-24 15:46:42 +01:00
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! [ -d ${ZAF_PLUGINS_DIR}/$1 ] && { echo "Plugin $1 not installed!"; exit 2; }
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2016-03-23 17:25:18 +01:00
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rm -rf ${ZAF_PLUGINS_DIR}/$1
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rm -f ${ZAF_AGENT_CONFIGD}/zaf_${plugin}.conf
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2016-03-23 14:37:51 +01:00
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}
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2016-03-23 17:25:18 +01:00
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