138 lines
4.4 KiB
Bash
Executable File
138 lines
4.4 KiB
Bash
Executable File
#!/bin/bash
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set -uo pipefail
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#==============================================================#
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# File : redis-rm
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# Desc : Remove Redis Cluster/Node/Instance
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# Ctime : 2022-12-29
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# Mtime : 2023-09-14
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# Path : bin/redis-rm
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# Deps : ansible-playbook, redis-rm.yml
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# License : Apache-2.0 @ https://pigsty.io/docs/about/license/
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# Copyright : 2018-2026 Ruohang Feng / Vonng (rh@vonng.com)
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#==============================================================#
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APP_NAME="$(basename $0)"
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APP_DIR="$(cd $(dirname $0) && pwd)"
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PIGSTY_HOME=$(cd $(dirname ${APP_DIR}) && pwd)
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#--------------------------------------------------------------#
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# Usage
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#--------------------------------------------------------------#
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# bin/redis-rm <cluster|ip> [...port]
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#
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# if ports are specified, only those corresponding instances will be removed
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#
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# Examples:
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# bin/redis-rm redis-ms # remove a redis cluster
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# bin/redis-rm 10.10.10.10 # remove a redis-node
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# bin/redis-rm 10.10.10.10 6379 6380 # remove specific redis instances
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#--------------------------------------------------------------#
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# Utils
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#--------------------------------------------------------------#
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__CN='\033[0m';__CK='\033[0;30m';__CR='\033[0;31m';__CG='\033[0;32m';
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__CY='\033[0;33m';__CB='\033[0;34m';__CM='\033[0;35m';__CC='\033[0;36m';__CW='\033[0;37m';
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function log_info() { printf "[${__CG} OK ${__CN}] ${__CG}$*${__CN}\n"; }
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function log_warn() { printf "[${__CY}WARN${__CN}] ${__CY}$*${__CN}\n"; }
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function log_error() { printf "[${__CR}FAIL${__CN}] ${__CR}$*${__CN}\n"; }
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function log_debug() { printf "[${__CB}HINT${__CN}] ${__CB}$*${__CN}\n"; }
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function log_input() { printf "[${__CM} IN ${__CN}] ${__CM}$*\n=> ${__CN}"; }
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function log_hint() { printf "${__CB}$*${__CN}\n"; }
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function log_line() { printf "${__CM}[$*] ===========================================${__CN}\n"; }
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function is_valid_ip(){
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if [[ "$1" =~ (([0-9]|[0-9]{2}|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[0-9]{2}|1[0-9]{2}|2[0-4][0-9]|25[0-5]) ]]; then
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return 0
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else
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return 1
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fi
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}
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#--------------------------------------------------------------#
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# Param
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#--------------------------------------------------------------#
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REDIS_SELECTOR=${1-''}
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log_info "redis selector: ${REDIS_SELECTOR}"
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if [[ -z "${REDIS_SELECTOR}" ]]; then
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log_error "redis selector is empty"
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log_hint "bin/redis-rm <cls|ip> [port...]"
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exit 1
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fi
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HOST_TYPE='cluster'
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if is_valid_ip "${REDIS_SELECTOR}"; then
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HOST_TYPE='node'
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fi
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#--------------------------------------------------------------#
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# Remove Redis Cluster/Node [ 1 arg = remove cluster/node ]
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#--------------------------------------------------------------#
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if (($# == 1)); then
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log_line "EXECUTE"
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log_warn "remove redis ${HOST_TYPE} ${REDIS_SELECTOR}"
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log_hint "$ ./redis.yml" -l "${REDIS_SELECTOR}"
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"${PIGSTY_HOME}/redis-rm.yml" -l "${REDIS_SELECTOR}"
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if [[ $? -ne 0 ]]; then
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log_line "FAILURE"
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log_error "unable to remove redis ${HOST_TYPE} ${REDIS_SELECTOR}"
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exit 2
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fi
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log_line "SUMMARY"
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log_info "remove redis ${HOST_TYPE} ${REDIS_SELECTOR} complete"
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exit 0
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fi
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#--------------------------------------------------------------#
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# Remove Redis Instances [2+ args = remove instances ]
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#--------------------------------------------------------------#
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#---------------------------------#
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# Check Param Agent
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#---------------------------------#
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if ! is_valid_ip "${REDIS_SELECTOR}"; then
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log_error "you have to use bin/redis-rm <ip> [port...] format"
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exit 3
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fi
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for ((i=2; i<=$#; i++))
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do
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if (( ${!i} < 1024 || ${!i} > 65535 )); then
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log_error "invalid port number given: ${!i}"
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exit 3
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fi
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done
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#---------------------------------#
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# Planning
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#---------------------------------#
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log_line "PLANNING"
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log_info "remove redis instances:"
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for ((i=2; i<=$#; i++))
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do
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log_info " - ${REDIS_SELECTOR}:${!i}"
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done
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#---------------------------------#
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# Remove Redis Instance One by One
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#---------------------------------#
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for ((i=2; i<=$#; i++))
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do
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log_line "EXECUTE"
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log_info "remove redis instance: ${REDIS_SELECTOR}:${!i}"
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log_hint "$ ./redis-rm.yml" -l "${REDIS_SELECTOR}" -e "redis_port=${!i}"
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"${PIGSTY_HOME}/redis-rm.yml" -l "${REDIS_SELECTOR}" -e "redis_port=${!i}"
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if [[ $? -ne 0 ]]; then
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log_line "FAILURE"
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log_error "unable to remove redis instance ${REDIS_SELECTOR}:${!i}"
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exit 4
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fi
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log_info "remove redis instance: ${REDIS_SELECTOR}:${!i} complete"
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done
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