show tech-support command for Promox VE.

pve-config-dump.sh

#!/usr/bin/env bash
set -eu

# ==============================================================================
# =
# = Proxmox VE configuration dump
# = License: AGPL 3.0
# = Gist: https://gist.github.com/naa0yama/dc7dd728af7d6e3f9e0ed837329a7dfc
# =
# = download command
# = curl -fSL -O https://gist.githubusercontent.com/naa0yama/dc7dd728af7d6e3f9e0ed837329a7dfc/raw/pve-config-dump.sh
# =
# = How to use
# = > bash pve-config-dump.sh
# = > bash pve-config-dump.sh dumps/main.txt # Compare main.txt with latest txt
# =
# = Required as a dependency
# = > apt -y install jq lshw
# ==============================================================================
paths=(
  "/etc/network/interfaces"
  "/etc/network/interfaces.d/sdn"
  "/proc/net/bonding/"
  "/etc/pve/sdn/*.cfg"
  "/etc/frr/frr.conf"
  "/etc/frr/frr.conf.local"
  "/etc/sysctl.conf"
  "/etc/sysctl.d/*.conf"
  "/etc/pve/*.cfg"
  "/etc/pve/firewall/*"
  "/etc/pve/ha/*"
  "/etc/apt/sources.list"
  "/etc/apt/sources.list.d/*"
  "/etc/hosts"
)
outputdir="dumps"
hostname="$(hostnamectl hostname)"
mkdir -p "${outputdir}"
newfile="${outputdir}/${hostname}_$(date -u '+%Y-%m-%dT%H%M%S%Z').txt"
oldfile=$(find "${outputdir}/" -name '*.txt' -type f -printf '%T@ %p\n' | sort -n | tail -1 | cut -d' ' -f2-)
output=""
output+=$(printf '#%.0s' {1..80})
output+="\n#\n"
output+="# Hostname: ${hostname}\n"
output+="# dumpname: ${newfile}\n"
output+="#\n\n"

for command in "apt-cache" "cat" "diff" "find" "grep" "ip" "jq" "less" "lshw" "pve-firewall" "pveversion"
do
  type -p "${command}"
done

set +u
if [ -n "${1}" ]; then
  oldfile="${1}"
fi
set -u

# - ----------------------------------------------------------------------------
# - collecting command
# - ----------------------------------------------------------------------------
for path in "${paths[@]}"; do
  for file in $path; do
    if [ -f "${file}" ]; then
      echo -e "collecting file...\t\t${file}"
      output+=$(printf '#%.0s' {1..80})
      output+="\n#\n"
      output+="# filename ${file}\n"
      output+="#\n\n"
      if [ "${file%/*}" == "/etc/sysctl.d" ] || [ "${file}" == "/etc/sysctl.conf" ]; then
      set +e
      output+=$(grep -v -E '^$|^#' "${file}")
      set -e
      else
      output+=$(cat "${file}")
      fi
      output+="\n\n"
    fi
  done
done

# - ----------------------------------------------------------------------------
# - collecting command
# - ----------------------------------------------------------------------------
for command in "pve-firewall status" \
              "pve-firewall localnet" \
              "ip address show" \
              "ip route" \
              "ip neighbor" \
              "apt-cache policy" \
              "pveversion --verbose" \
              "lshw -class network -short" \
              "lshw -class network -json"

do
  echo -e "collecting command...\t\t${command}"
  output+=$(printf '#%.0s' {1..80})
  output+="\n#\n"
  output+="# ${command}\n"
  output+="#\n\n"
  output+=$(${command})
  output+="\n\n"
done

# - ----------------------------------------------------------------------------
# - collecting vtysh command
# - ----------------------------------------------------------------------------
command=("show version" "show interface brief")

## logical
interfaces=$(lshw -class network -json | jq -r '.[] | select(.description | contains("Ethernet interface")) | .logicalname' | sort)
for interface in $interfaces; do
  command+=("show interface ${interface}")
done

## virtual
while IFS= read -r -d '' interface
do
  command+=("show interface ${interface##*/}")
done <    <(find /sys/devices/virtual/net/ -maxdepth 1 -type d -not -name 'fw*' -and -not -name 'net' -print0)

command+=("show ip route" \
            "show ip route bgp" \
            "show ip bgp" \
            "show ip bgp summary" \
            "show ip bgp l2vpn evpn" \
            "show evpn vni" \
            "show evpn arp-cache vni all" \
            "show evpn mac vni all" \
            "show evpn vni detail")

set +e
_vtysh=$(type -p vtysh)
set -e
if [ "${_vtysh##*/}" == "vtysh" ]; then
  for command in "${command[@]}"
  do
    echo -e "collecting vtysh command...\t${command}"
    output+=$(printf '#%.0s' {1..80})
    output+="\n#\n"
    output+="# vtysh -c ${command}\n"
    output+="#\n\n"
    output+=$(vtysh -c "${command}")
    output+="\n\n"
  done
fi

echo -e "${output}" > "${newfile}"
echo "Configuration dump saved to ${newfile}"

set -x
diff --side-by-side --width "$(tput cols)" "${oldfile}" "${newfile}" | less -R