#!/bin/bash
set +u
set -e
# set -x
base_dir=$(
    cd "$(dirname "$0")"
    pwd
)
cd $base_dir

# ./auto_del_log.sh
function log_warn() {
    local date=$(date "+%Y-%m-%d-%H:%M:%S")
    local para=$1
    echo "[WARN] $date $1" | tee -a "./log/run_log"

}

function log_info() {
    local date=$(date "+%Y-%m-%d-%H:%M:%S")
    local para=$1
    echo "[INFO] $date $1" | tee -a "./log/run_log"
}

function log_err() {
    local date=$(date "+%Y-%m-%d-%H:%M:%S")
    local para=$1
    echo "[ERROR] $date $1" | tee -a "./log/run_log"
}

grafana_log_path="./log/"

# node_exporter section
if ps -auxc | grep "grafana" | grep -v grep > /dev/null; then
    log_info "grafana 已在运行"
elif [[ ! -f "./grafana" ]]; then
    log_info "no grafana found, skip"
else

    if [[ ! -d $grafana_log_path ]]; then
        mkdir "$grafana_log_path"
    fi

    grafana_log_file="grafana_$(date "+%Y-%m-%d-%H:%M:%S").log"
    ./grafana &>> "${grafana_log_path}${grafana_log_file}" &
    sleep 1
    if grep -E 'cannot|not defined|License does not exist' "${grafana_log_path}${grafana_log_file}" >> /dev/null; then
        log_err "grafana 启动遇到问题，请检查${grafana_log_file}"
    else
        log_info "grafana 启动成功！"
    fi
fi