ffdc

#!/bin/sh

help=$'FFDC File Collection Script

Collects various FFDC files and system parameters and places them in a .tar

usage: ffdc [OPTION]

Options:
-d, --dir <directory>  Specify destination directory. Defaults to /tmp if
invalid or unspecified.
-D, --disable_dreport  Disable dreport based dump collection
-h, --help             Display this help text and exit.
'

declare -a arr=(
    # Commands to be outputted into individual files
    # Format: "File name" "Command"
    "FW_level.txt"              "cat /etc/os-release"
    "BMC_OS.txt"                "uname -a"
    "BMC_uptime.txt"            "uptime"
    "BMC_disk_usage.txt"        "df -hT"

    "systemctl_status.txt"      "systemctl status | cat"
    "failed_services.txt"       "systemctl --failed"
    "host_console.txt"          "cat /var/log/obmc-console.log"

    "BMC_proc_list.txt"         "top -n 1 -b"
    "BMC_journalctl.txt"        "journalctl --namespace=* --no-pager"
    "BMC_dmesg.txt"             "dmesg"
    "BMC_procinfo.txt"          "cat /proc/cpuinfo"
    "BMC_meminfo.txt"           "cat /proc/meminfo"
    "BMC_traceevents.txt"       "cat /sys/kernel/tracing/trace"

    # Copy all content from these directories into directories in the .tar
    # Format: "Directory name" "Directory to copy"
    "obmc"                      "/var/lib/obmc/"
    "core"                      "/var/lib/systemd/coredump"
)

dir=$"ffdc_$(date +"%Y-%m-%d_%H-%M-%S")"
dest="/tmp"
disable_dreport=false

while [[ $# -gt 0 ]]; do
    key="$1"
    case $key in
        -d|--dir)
            mkdir -p "$2"
            if [ $? -eq 0 ]; then
                dest="$2"
            else
                echo "Failed to create the destination directory specified."
                break
            fi
            shift 2
            ;;
        -D|--disable_dreport)
            disable_dreport=true
            shift
            ;;
        -h|--help)
            echo "$help"
            exit
            ;;
        *)
            echo "Unknown option $1. Display available options with -h or --help"
            exit
            ;;
    esac
done

echo "Using destination directory $dest"

if [ $disable_dreport = false ]; then
    dreport -d $dest -v
    exit
fi

mkdir -p "$dest/$dir"

for ((i=0;i<${#arr[@]};i+=2)); do
    if [ -d "${arr[i+1]}" ]; then
        echo "Copying contents of ${arr[i+1]} to directory ./${arr[i]} ..."
        mkdir "$dest/$dir/${arr[i]}"
        cp -r ${arr[i+1]}/* $dest/$dir/${arr[i]}
    else
        echo "Collecting ${arr[i]}..."
        ${arr[i+1]} >> "$dest/$dir/${arr[i]}"
    fi
done

tar -cf "$dest/$dir.tar" -C $dest $dir
echo "Contents in $dest/$dir.tar"

rm -r "$dest/$dir"