150 lines
4.8 KiB
Bash
Executable File
150 lines
4.8 KiB
Bash
Executable File
#!/bin/bash
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# Info: Script to install/create/delete/update etcd from file settings
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# Author: JesusPerezLorenzo
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# Release: 1.0
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# Date: 12-11-2024
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USAGE="install-etcd.sh install | update | remvoe"
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[ "$1" == "-h" ] && echo "$USAGE" && exit 1
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[ -r "env-etcd" ] && . ./env-etcd
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ARCH="$(uname -m | sed -e 's/x86_64/amd64/' -e 's/\(arm\)\(64\)\?.*/\1\2/' -e 's/aarch64$/arm64/')"
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CMD_TSK=${1:-install}
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#[ -z "$ETCD_VERSION" ] && echo "No ETCD_VERSION found " && exit
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HOSTNAME=$(hostname)
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export LC_CTYPE=C.UTF-8
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export LANG=C.UTF-8
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[ ! -d "/etc/etcd" ] && sudo mkdir /etc/etcd
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_init() {
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[ -z "$ETCD_VERSION" ] || [ -z "$ARCH" ] && exit 1
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local curr_vers
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local has_etcd
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has_etcd=$(type etcd 2>/dev/null)
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[ -n "$has_etcd" ] && curr_vers="v"$(etcd -version 2>/dev/null | grep etcd | cut -f2 -d":" | sed 's/ //g')
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[ "$curr_vers" == "$ETCD_VERSION" ] && return
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# choose either URL
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GOOGLE_URL=https://storage.googleapis.com/etcd
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GITHUB_URL=https://github.com/etcd-io/etcd/releases/download
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case "$SOURCE_URL" in
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google) DOWNLOAD_URL=${GOOGLE_URL} ;;
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github) DOWNLOAD_URL=${GITHUB_URL} ;;
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esac
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rm -f "/tmp/etcd-${ETCD_VERSION}-${ARCH}.tar.gz"
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[ -d "/tmp/etcd-download" ] && rm -rf /tmp/etcd-download
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mkdir -p /tmp/etcd-download
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if ! curl -fsSL "${DOWNLOAD_URL}/${ETCD_VERSION}/etcd-${ETCD_VERSION}-linux-${ARCH}.tar.gz" -o "/tmp/etcd-${ETCD_VERSION}-${ARCH}.tar.gz" ; then
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echo "Error downloading etcd-${ETCD_VERSION}-${ARCH}.tar.gz"
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exit 1
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fi
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if ! tar xzf "/tmp/etcd-${ETCD_VERSION}-${ARCH}.tar.gz" -C /tmp/etcd-download --strip-components=1 ; then
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echo "Error extracting etcd-${ETCD_VERSION}-${ARCH}.tar.gz"
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exit 1
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fi
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rm -f "/tmp/etcd-${ETCD_VERSION}-${ARCH}.tar.gz"
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chmod +x /tmp/etcd-download/etcd
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chmod +x /tmp/etcd-download/etcdctl
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sudo mv /tmp/etcd-download/etcd /usr/local/bin
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sudo mv /tmp/etcd-download/etcdctl /usr/local/bin
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sudo mv /tmp/etcd-download/etcdutl /usr/local/bin
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sudo mv /tmp/etcd-download /etc/etcd/"${ETCD_VERSION}"
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# start a local etcd server
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# /tmp/etcd-download/etcd
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# write,read to etcd
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# /tmp/etcd-download/etcdctl --endpoints=localhost:2379 put foo bar
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# /tmp/etcd-download/etcdctl --endpoints=localhost:2379 get foo
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}
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_config_etcd() {
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[ ! -d "/etc/etcd" ] && sudo mkdir /etc/etcd
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has_user=$(sudo grep etcd /etc/passwd)
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[ -z "$has_user" ] && sudo useradd -d /home/etcd -m etcd
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[ ! -d "/etc/ssl/etcd" ] && sudo mkdir -p /etc/ssl/etcd
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sudo cp certs/* /etc/ssl/etcd
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sudo chown -R etcd:etcd /etc/ssl/etcd
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[ ! -d "${ETCD_DATA}" ] && sudo mkdir -p "${ETCD_DATA}"
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sudo chown -R etcd:etcd "${ETCD_DATA}"
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sudo chmod 700 "${ETCD_DATA}"
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#[ -r "etcd-sysusers.conf" ] && sudo cp etcd-sysusers.conf /usr/lib/sysusers.d
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#[ -r "etcd-tmpfile.conf" ] && sudo cp etcd-tmpfiles.conf /usr/lib/tmpfiles.d
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sudo cp etcdctl.sh /etc/etcd/etcdctl.sh
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sed 's/, / /g' < etcdctl.sh | sudo tee /etc/etcd/etcdctl.sh &>/dev/null
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sudo chmod +x /etc/etcd/etcdctl.sh
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sudo cp cert-show.sh /etc/etcd/cert-show.sh
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# sudo cp setup.sh /etc/etcd/etcd_setup.sh
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sudo cp env-etcd /etc/etcd/env
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# [ ! -r "/etc/etcd/config.yaml" ] &&
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sed 's/,"/"/g' < etcd.yaml | sudo tee /etc/etcd/config.yaml &>/dev/null
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sudo cp etcd.service /lib/systemd/system/etcd.service
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#[ ! -L "/etc/systemd/system/etcd.service" ] && sudo ln -s /lib/systemd/system/etcd.service /etc/systemd/system
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sudo timeout -k 10 20 systemctl daemon-reload >/dev/null 2>&1
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sudo timeout -k 10 20 systemctl enable --now etcd >/dev/null 2>&1
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# sudo timeout -k 10 20 systemctl restart etcd >/dev/null 2>&1
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# This command sets the cluster to existing for the next start
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#sudo sed -i s"/initial-cluster-state: 'new'/initial-cluster-state: 'existing'/"g /etc/etcd/config.yaml
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#sudo sed -i s"/ETCD_INITIAL_CLUSTER_STATE=\"new\"/ETCD_INITIAL_CLUSTER_STATE=\"existing\"/"g /etc/etcd/env
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}
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_stop_resolved() {
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sudo timeout -k 10 20 systemctl stop etcd >/dev/null 2>&1
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sudo timeout -k 10 20 systemctl disable etcd >/dev/null 2>&1
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}
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_remove_etcd() {
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sudo timeout -k 10 20 systemctl stop etcd >/dev/null 2>&1
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sudo timeout -k 10 20 systemctl disable etcd >/dev/null 2>&1
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}
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_start_etcd() {
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sudo timeout -k 10 20 systemctl enable etcd >/dev/null 2>&1
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sudo timeout -k 10 20 systemctl start etcd >/dev/null 2>&1
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}
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_restart_etcd() {
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sudo timeout -k 10 20 systemctl restart etcd >/dev/null 2>&1
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}
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if [ "$CMD_TSK" == "install" ] ; then
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if ! _init ; then
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echo "error etcd init"
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exit 1
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fi
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# _make_certs
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_config_etcd
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exit 0
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fi
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if [ "$CMD_TSK" == "config" ] ; then
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if ! _config_etcd ; then
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echo "error etcd config"
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exit 1
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fi
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exit
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fi
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if [ "$CMD_TSK" == "remove" ] ; then
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_remove_etcd
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exit
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fi
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if [ "$CMD_TSK" == "update" ] ; then
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_restart_etcd && exit 0
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fi
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if ! _stop_resolved ; then
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echo "error etcd stop"
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exit 1
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fi
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if ! _start_etcd ; then
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echo "error etcd start"
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exit 1
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fi
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