mirror of
https://github.com/k3s-io/k3s.git
synced 2024-06-07 19:41:36 +00:00
Update check-config.sh for k3s
This commit is contained in:
Erik Wilson
parent
b0d1ca9c21
commit
a73f8b1773
@ -29,6 +29,7 @@ func main() {
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cmds.NewKubectlCommand(externalCLIAction("kubectl")),
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cmds.NewCRICTL(externalCLIAction("crictl")),
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cmds.NewCtrCommand(externalCLIAction("ctr")),
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cmds.NewCheckConfigCommand(externalCLIAction("check-config")),
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}
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err := app.Run(os.Args)
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@ -1,154 +1,290 @@
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#!/usr/bin/env bash
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#!/bin/sh
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set -e
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EXITCODE=0
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# bits of this were adapted from lxc-checkconfig
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# rancher/k3s modified from
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# https://github.com/moby/moby/blob/c831882/contrib/check-config.sh
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# bits of this were adapted from lxc-checkconfig for moby
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# see also https://github.com/lxc/lxc/blob/lxc-1.0.2/src/lxc/lxc-checkconfig.in
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possibleConfigs=(
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'/proc/config.gz'
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"/boot/config-$(uname -r)"
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"/usr/src/linux-$(uname -r)/.config"
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'/usr/src/linux/.config'
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)
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uname=$(uname -r)
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possibleConfigs="
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/proc/config.gz
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/boot/config-${uname}
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/boot/config-${uname##*-}
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/usr/src/linux-${uname}/.config
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/usr/src/linux/.config
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"
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if [ $# -gt 0 ]; then
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CONFIG="$1"
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else
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: "${CONFIG:="${possibleConfigs[0]}"}"
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CONFIG="$1"
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fi
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if ! command -v zgrep &> /dev/null; then
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zgrep() {
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zcat "$2" | grep "$1"
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}
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if ! command -v zgrep >/dev/null 2>&1; then
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zgrep() {
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zcat "$2" | grep "$1"
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}
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fi
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configFormat=gz
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dogrep() {
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if [ "$configFormat" = "gz" ]; then
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zgrep "$1" "$2"
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else
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grep "$1" "$2"
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fi
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}
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kernelVersion="$(uname -r)"
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kernelMajor="${kernelVersion%%.*}"
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kernelMinor="${kernelVersion#$kernelMajor.}"
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kernelMinor="${kernelMinor%%.*}"
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is_set() {
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zgrep "CONFIG_$1=[y|m]" "$CONFIG" > /dev/null
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dogrep "CONFIG_$1=[y|m]" "$CONFIG" > /dev/null
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}
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is_set_in_kernel() {
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zgrep "CONFIG_$1=y" "$CONFIG" > /dev/null
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dogrep "CONFIG_$1=y" "$CONFIG" > /dev/null
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}
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is_set_as_module() {
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zgrep "CONFIG_$1=m" "$CONFIG" > /dev/null
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dogrep "CONFIG_$1=m" "$CONFIG" > /dev/null
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}
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color() {
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local codes=()
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if [ "$1" = 'bold' ]; then
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codes=( "${codes[@]}" '1' )
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shift
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fi
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if [ "$#" -gt 0 ]; then
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local code=
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case "$1" in
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# see https://en.wikipedia.org/wiki/ANSI_escape_code#Colors
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black) code=30 ;;
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red) code=31 ;;
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green) code=32 ;;
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yellow) code=33 ;;
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blue) code=34 ;;
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magenta) code=35 ;;
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cyan) code=36 ;;
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white) code=37 ;;
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esac
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if [ "$code" ]; then
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codes=( "${codes[@]}" "$code" )
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fi
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fi
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local IFS=';'
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echo -en '\033['"${codes[*]}"'m'
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codes=
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if [ "$1" = 'bold' ]; then
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codes=1
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shift
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fi
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if [ "$#" -gt 0 ]; then
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code=
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case "$1" in
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# see https://en.wikipedia.org/wiki/ANSI_escape_code#Colors
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black) code=30 ;;
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red) code=31 ;;
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green) code=32 ;;
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yellow) code=33 ;;
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blue) code=34 ;;
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magenta) code=35 ;;
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cyan) code=36 ;;
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white) code=37 ;;
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esac
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if [ "$code" ]; then
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[ "$codes" ] && codes="${codes};"
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codes="${codes}${code}"
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fi
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fi
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printf '\033['"$codes"'m'
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}
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wrap_color() {
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text="$1"
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shift
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color "$@"
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echo -n "$text"
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color reset
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echo
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text="$1"
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shift
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color "$@"
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echo -n "$text"
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color reset
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echo
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}
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wrap_good() {
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echo "$(wrap_color "$1" white): $(wrap_color "$2" green)"
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echo "$(wrap_color "$1" white): $(wrap_color "$2" green)"
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}
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wrap_bad() {
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echo "$(wrap_color "$1" bold): $(wrap_color "$2" bold red)"
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echo "$(wrap_color "$1" bold): $(wrap_color "$2" bold red)"
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}
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wrap_warning() {
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wrap_color >&2 "$*" red
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wrap_warn() {
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echo "$(wrap_color "$1" bold): $(wrap_color "$2" bold yellow)"
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}
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warning() {
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wrap_color >&2 "$*" yellow
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}
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check_flag() {
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if is_set_in_kernel "$1"; then
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wrap_good "CONFIG_$1" 'enabled'
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elif is_set_as_module "$1"; then
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wrap_good "CONFIG_$1" 'enabled (as module)'
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else
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wrap_bad "CONFIG_$1" 'missing'
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EXITCODE=1
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fi
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if is_set_in_kernel "$1"; then
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wrap_good "CONFIG_$1" 'enabled'
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elif is_set_as_module "$1"; then
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wrap_good "CONFIG_$1" 'enabled (as module)'
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else
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if [ "$IS_ERROR" = 1 ]; then
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wrap_bad "CONFIG_$1" 'missing'
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EXITCODE=1
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else
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wrap_warn "CONFIG_$1" 'missing'
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fi
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fi
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}
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check_flags() {
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for flag in "$@"; do
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echo -n "- "; check_flag "$flag"
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done
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for flag in "$@"; do
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echo -n "- "; check_flag "$flag"
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done
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}
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check_command() {
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if command -v "$1" >/dev/null 2>&1; then
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wrap_good "$1 command" 'available'
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else
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wrap_bad "$1 command" 'missing'
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EXITCODE=1
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fi
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if command -v "$1" >/dev/null 2>&1; then
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wrap_good "$1 command" 'available'
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else
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wrap_bad "$1 command" 'missing'
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EXITCODE=1
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fi
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}
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check_device() {
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if [ -c "$1" ]; then
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wrap_good "$1" 'present'
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else
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wrap_bad "$1" 'missing'
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EXITCODE=1
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fi
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if [ -c "$1" ]; then
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wrap_good "$1" 'present'
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else
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wrap_bad "$1" 'missing'
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EXITCODE=1
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fi
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}
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check_distro_userns() {
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source /etc/os-release 2>/dev/null || /bin/true
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if [[ "${ID}" =~ ^(centos|rhel)$ && "${VERSION_ID}" =~ ^7 ]]; then
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# this is a CentOS7 or RHEL7 system
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grep -q "user_namespace.enable=1" /proc/cmdline || {
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# no user namespace support enabled
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wrap_bad " (RHEL7/CentOS7" "User namespaces disabled; add 'user_namespace.enable=1' to boot command line)"
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EXITCODE=1
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}
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fi
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[ -s /etc/os-release ] || return 0
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source /etc/os-release 2>/dev/null || true
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if ( echo "${ID}" | grep -q -E '^(centos|rhel)$' ) && \
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( echo "${VERSION_ID}" | grep -q -E '^7' ); then
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# this is a CentOS7 or RHEL7 system
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if ! grep -q "user_namespace.enable=1" /proc/cmdline; then
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# no user namespace support enabled
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wrap_bad " (RHEL7/CentOS7" "User namespaces disabled; add 'user_namespace.enable=1' to boot command line)"
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EXITCODE=1
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fi
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fi
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}
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# ---
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echo
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{
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BINDIR=$(dirname "$0")
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cd $BINDIR
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echo "Verifying binaries in $BINDIR:"
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if [ -s .sha256sums ]; then
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sumsTemp=$(mktemp)
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if sha256sum -c .sha256sums >$sumsTemp 2>&1; then
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wrap_good '- sha256sum' 'good'
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else
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wrap_bad '- sha256sum' 'does not match'
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cat $sumsTemp | sed -e 's/^/ ... /'
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EXITCODE=1
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fi
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rm -f $sumsTemp
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else
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wrap_warn '- sha256sum' 'sha256sums unavailable'
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fi
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linkFail=0
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if [ -s .links ]; then
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while read file link; do
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if [ "$(readlink $file)" != "$link" ]; then
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wrap_bad '- links' "$file should link to $link"
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linkFail=1
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fi
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done <.links
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if [ $linkFail -eq 0 ]; then
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wrap_good '- links' 'good'
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else
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EXITCODE=1
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fi
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else
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wrap_warn '- links' 'link list unavailable'
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fi
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cd - >/dev/null
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}
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echo
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{
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version_ge() {
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[ "$1" = "$2" ] || [ "$(printf '%s\n' "$@" | sort -V | head -n 1)" != "$1" ]
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}
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echo "System:"
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iptablesInfo=$(iptables --version)
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iptablesVersion=$(echo $iptablesInfo | awk '{ print $2 }')
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if version_ge $iptablesVersion v1.8.0; then
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iptablesMode=$(echo $iptablesInfo | awk '{ print $3 }')
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if [ "$iptablesMode" != "(legacy)" ]; then
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wrap_bad "- $iptablesInfo" 'should be older than v1.8.0 or in legacy mode'
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EXITCODE=1
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else
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wrap_good "- $iptablesInfo" 'ok'
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fi
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else
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wrap_good "- $iptablesInfo" 'older than v1.8'
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fi
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totalSwap=$(free | grep -i '^swap:' | awk '{ print $2 }')
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if [ "$totalSwap" != "0" ]; then
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wrap_warn '- swap' 'should be disabled'
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else
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wrap_good '- swap' 'disabled'
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fi
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if ip route | grep -v cni0 | grep -q -E '^10\.(42|43)\.'; then
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wrap_warn '- routes' 'default CIDRs 10.42.0.0/16 or 10.43.0.0/16 already routed'
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else
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wrap_good '- routes' 'ok'
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fi
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}
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echo
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{
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check_limit_over()
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{
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if [ "$(cat "$1")" -le "$2" ]; then
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wrap_bad "- $1" "$(cat "$1")"
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wrap_color " This should be set to at least $2, for example set: sysctl -w kernel/keys/root_maxkeys=1000000" bold black
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EXITCODE=1
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else
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wrap_good "- $1" "$(cat "$1")"
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fi
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}
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echo 'Limits:'
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check_limit_over /proc/sys/kernel/keys/root_maxkeys 10000
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}
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echo
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# ---
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SUDO=
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[ $(id -u) -ne 0 ] && SUDO=sudo
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lsmod | grep -q configs || $SUDO modprobe configs || true
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if [ -z "$CONFIG" ]; then
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for tryConfig in ${possibleConfigs}; do
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if [ -e "$tryConfig" ]; then
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CONFIG="$tryConfig"
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break
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fi
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done
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fi
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if [ ! -e "$CONFIG" ]; then
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wrap_warning "warning: $CONFIG does not exist, searching other paths for kernel config ..."
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for tryConfig in "${possibleConfigs[@]}"; do
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if [ -e "$tryConfig" ]; then
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CONFIG="$tryConfig"
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break
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fi
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done
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if [ ! -e "$CONFIG" ]; then
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wrap_warning "error: cannot find kernel config"
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wrap_warning " try running this script again, specifying the kernel config:"
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wrap_warning " CONFIG=/path/to/kernel/.config $0 or $0 /path/to/kernel/.config"
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exit 1
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fi
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case "$CONFIG" in
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-*)
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warning "error: argument $CONFIG"
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;;
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*)
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warning "error: cannot find kernel config $CONFIG"
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;;
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esac
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warning " try running this script again, specifying the kernel config:"
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warning " set CONFIG=/path/to/kernel/.config or add argument /path/to/kernel/.config"
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exit 1
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fi
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wrap_color "info: reading kernel config from $CONFIG ..." white
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wrap_color "info: reading kernel config from $CONFIG ..." cyan
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zcat $CONFIG >/dev/null 2>&1 || configFormat=
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echo
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echo 'Generally Necessary:'
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@ -157,151 +293,150 @@ echo -n '- '
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cgroupSubsystemDir="$(awk '/[, ](cpu|cpuacct|cpuset|devices|freezer|memory)[, ]/ && $3 == "cgroup" { print $2 }' /proc/mounts | head -n1)"
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cgroupDir="$(dirname "$cgroupSubsystemDir")"
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if [ -d "$cgroupDir/cpu" ] || [ -d "$cgroupDir/cpuacct" ] || [ -d "$cgroupDir/cpuset" ] || [ -d "$cgroupDir/devices" ] || [ -d "$cgroupDir/freezer" ] || [ -d "$cgroupDir/memory" ]; then
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echo "$(wrap_good 'cgroup hierarchy' 'properly mounted') [$cgroupDir]"
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echo "$(wrap_good 'cgroup hierarchy' 'properly mounted') [$cgroupDir]"
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else
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if [ "$cgroupSubsystemDir" ]; then
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echo "$(wrap_bad 'cgroup hierarchy' 'single mountpoint!') [$cgroupSubsystemDir]"
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else
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wrap_bad 'cgroup hierarchy' 'nonexistent??'
|
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fi
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EXITCODE=1
|
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echo " $(wrap_color '(see https://github.com/tianon/cgroupfs-mount)' yellow)"
|
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if [ "$cgroupSubsystemDir" ]; then
|
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echo "$(wrap_bad 'cgroup hierarchy' 'single mountpoint!') [$cgroupSubsystemDir]"
|
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else
|
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wrap_bad 'cgroup hierarchy' 'nonexistent??'
|
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fi
|
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EXITCODE=1
|
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echo " $(wrap_color '(see https://github.com/tianon/cgroupfs-mount)' yellow)"
|
||||
fi
|
||||
|
||||
if [ "$(cat /sys/module/apparmor/parameters/enabled 2>/dev/null)" = 'Y' ]; then
|
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echo -n '- '
|
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if command -v apparmor_parser &> /dev/null; then
|
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wrap_good 'apparmor' 'enabled and tools installed'
|
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else
|
||||
wrap_bad 'apparmor' 'enabled, but apparmor_parser missing'
|
||||
echo -n ' '
|
||||
if command -v apt-get &> /dev/null; then
|
||||
wrap_color '(use "apt-get install apparmor" to fix this)'
|
||||
elif command -v yum &> /dev/null; then
|
||||
wrap_color '(your best bet is "yum install apparmor-parser")'
|
||||
else
|
||||
wrap_color '(look for an "apparmor" package for your distribution)'
|
||||
fi
|
||||
EXITCODE=1
|
||||
fi
|
||||
echo -n '- '
|
||||
if command -v apparmor_parser &> /dev/null; then
|
||||
wrap_good 'apparmor' 'enabled and tools installed'
|
||||
else
|
||||
wrap_bad 'apparmor' 'enabled, but apparmor_parser missing'
|
||||
echo -n ' '
|
||||
if command -v apt-get &> /dev/null; then
|
||||
wrap_color '(use "apt-get install apparmor" to fix this)'
|
||||
elif command -v yum &> /dev/null; then
|
||||
wrap_color '(your best bet is "yum install apparmor-parser")'
|
||||
else
|
||||
wrap_color '(look for an "apparmor" package for your distribution)'
|
||||
fi
|
||||
EXITCODE=1
|
||||
fi
|
||||
fi
|
||||
|
||||
flags=(
|
||||
NAMESPACES {NET,PID,IPC,UTS}_NS
|
||||
CGROUPS CGROUP_CPUACCT CGROUP_DEVICE CGROUP_FREEZER CGROUP_SCHED CPUSETS MEMCG
|
||||
KEYS
|
||||
VETH BRIDGE BRIDGE_NETFILTER
|
||||
NF_NAT_IPV4 IP_NF_FILTER IP_NF_TARGET_MASQUERADE
|
||||
NETFILTER_XT_MATCH_{ADDRTYPE,CONNTRACK,IPVS}
|
||||
IP_NF_NAT NF_NAT NF_NAT_NEEDED
|
||||
|
||||
# required for bind-mounting /dev/mqueue into containers
|
||||
POSIX_MQUEUE
|
||||
)
|
||||
check_flags "${flags[@]}"
|
||||
flags="
|
||||
NAMESPACES NET_NS PID_NS IPC_NS UTS_NS
|
||||
CGROUPS CGROUP_CPUACCT CGROUP_DEVICE CGROUP_FREEZER CGROUP_SCHED CPUSETS MEMCG
|
||||
KEYS
|
||||
VETH BRIDGE BRIDGE_NETFILTER
|
||||
NF_NAT_IPV4 IP_NF_FILTER IP_NF_TARGET_MASQUERADE
|
||||
NETFILTER_XT_MATCH_ADDRTYPE NETFILTER_XT_MATCH_CONNTRACK NETFILTER_XT_MATCH_IPVS
|
||||
IP_NF_NAT NF_NAT NF_NAT_NEEDED
|
||||
POSIX_MQUEUE
|
||||
"
|
||||
IS_ERROR=1 check_flags $flags
|
||||
if [ "$kernelMajor" -lt 4 ] || ( [ "$kernelMajor" -eq 4 ] && [ "$kernelMinor" -lt 8 ] ); then
|
||||
check_flags DEVPTS_MULTIPLE_INSTANCES
|
||||
check_flags DEVPTS_MULTIPLE_INSTANCES
|
||||
fi
|
||||
|
||||
echo
|
||||
|
||||
echo 'Optional Features:'
|
||||
{
|
||||
check_flags USER_NS
|
||||
check_distro_userns
|
||||
check_flags USER_NS
|
||||
check_distro_userns
|
||||
}
|
||||
{
|
||||
check_flags SECCOMP
|
||||
check_flags SECCOMP
|
||||
}
|
||||
{
|
||||
check_flags CGROUP_PIDS
|
||||
}
|
||||
{
|
||||
CODE=${EXITCODE}
|
||||
check_flags MEMCG_SWAP MEMCG_SWAP_ENABLED
|
||||
if [ -e /sys/fs/cgroup/memory/memory.memsw.limit_in_bytes ]; then
|
||||
echo " $(wrap_color '(cgroup swap accounting is currently enabled)' bold black)"
|
||||
EXITCODE=${CODE}
|
||||
elif is_set MEMCG_SWAP && ! is_set MEMCG_SWAP_ENABLED; then
|
||||
echo " $(wrap_color '(cgroup swap accounting is currently not enabled, you can enable it by setting boot option "swapaccount=1")' bold black)"
|
||||
fi
|
||||
}
|
||||
{
|
||||
if is_set LEGACY_VSYSCALL_NATIVE; then
|
||||
echo -n "- "; wrap_bad "CONFIG_LEGACY_VSYSCALL_NATIVE" 'enabled'
|
||||
echo " $(wrap_color '(dangerous, provides an ASLR-bypassing target with usable ROP gadgets.)' bold black)"
|
||||
elif is_set LEGACY_VSYSCALL_EMULATE; then
|
||||
echo -n "- "; wrap_good "CONFIG_LEGACY_VSYSCALL_EMULATE" 'enabled'
|
||||
elif is_set LEGACY_VSYSCALL_NONE; then
|
||||
echo -n "- "; wrap_bad "CONFIG_LEGACY_VSYSCALL_NONE" 'enabled'
|
||||
echo " $(wrap_color '(containers using eglibc <= 2.13 will not work. Switch to' bold black)"
|
||||
echo " $(wrap_color ' "CONFIG_VSYSCALL_[NATIVE|EMULATE]" or use "vsyscall=[native|emulate]"' bold black)"
|
||||
echo " $(wrap_color ' on kernel command line. Note that this will disable ASLR for the,' bold black)"
|
||||
echo " $(wrap_color ' VDSO which may assist in exploiting security vulnerabilities.)' bold black)"
|
||||
# else Older kernels (prior to 3dc33bd30f3e, released in v4.40-rc1) do
|
||||
# not have these LEGACY_VSYSCALL options and are effectively
|
||||
# LEGACY_VSYSCALL_EMULATE. Even older kernels are presumably
|
||||
# effectively LEGACY_VSYSCALL_NATIVE.
|
||||
fi
|
||||
check_flags CGROUP_PIDS
|
||||
}
|
||||
# {
|
||||
# CODE=${EXITCODE}
|
||||
# check_flags MEMCG_SWAP MEMCG_SWAP_ENABLED
|
||||
# if [ -e /sys/fs/cgroup/memory/memory.memsw.limit_in_bytes ]; then
|
||||
# echo " $(wrap_color '(cgroup swap accounting is currently enabled)' bold black)"
|
||||
# EXITCODE=${CODE}
|
||||
# elif is_set MEMCG_SWAP && ! is_set MEMCG_SWAP_ENABLED; then
|
||||
# echo " $(wrap_color '(cgroup swap accounting is currently not enabled, you can enable it by setting boot option "swapaccount=1")' bold black)"
|
||||
# fi
|
||||
# }
|
||||
# {
|
||||
# if is_set LEGACY_VSYSCALL_NATIVE; then
|
||||
# echo -n "- "; wrap_bad "CONFIG_LEGACY_VSYSCALL_NATIVE" 'enabled'
|
||||
# echo " $(wrap_color '(dangerous, provides an ASLR-bypassing target with usable ROP gadgets.)' bold black)"
|
||||
# elif is_set LEGACY_VSYSCALL_EMULATE; then
|
||||
# echo -n "- "; wrap_good "CONFIG_LEGACY_VSYSCALL_EMULATE" 'enabled'
|
||||
# elif is_set LEGACY_VSYSCALL_NONE; then
|
||||
# echo -n "- "; wrap_bad "CONFIG_LEGACY_VSYSCALL_NONE" 'enabled'
|
||||
# echo " $(wrap_color '(containers using eglibc <= 2.13 will not work. Switch to' bold black)"
|
||||
# echo " $(wrap_color ' "CONFIG_VSYSCALL_[NATIVE|EMULATE]" or use "vsyscall=[native|emulate]"' bold black)"
|
||||
# echo " $(wrap_color ' on kernel command line. Note that this will disable ASLR for the,' bold black)"
|
||||
# echo " $(wrap_color ' VDSO which may assist in exploiting security vulnerabilities.)' bold black)"
|
||||
# # else Older kernels (prior to 3dc33bd30f3e, released in v4.40-rc1) do
|
||||
# # not have these LEGACY_VSYSCALL options and are effectively
|
||||
# # LEGACY_VSYSCALL_EMULATE. Even older kernels are presumably
|
||||
# # effectively LEGACY_VSYSCALL_NATIVE.
|
||||
# fi
|
||||
# }
|
||||
|
||||
if [ "$kernelMajor" -lt 4 ] || ( [ "$kernelMajor" -eq 4 ] && [ "$kernelMinor" -le 5 ] ); then
|
||||
check_flags MEMCG_KMEM
|
||||
check_flags MEMCG_KMEM
|
||||
fi
|
||||
|
||||
if [ "$kernelMajor" -lt 3 ] || ( [ "$kernelMajor" -eq 3 ] && [ "$kernelMinor" -le 18 ] ); then
|
||||
check_flags RESOURCE_COUNTERS
|
||||
check_flags RESOURCE_COUNTERS
|
||||
fi
|
||||
|
||||
if [ "$kernelMajor" -lt 3 ] || ( [ "$kernelMajor" -eq 3 ] && [ "$kernelMinor" -le 13 ] ); then
|
||||
netprio=NETPRIO_CGROUP
|
||||
netprio=NETPRIO_CGROUP
|
||||
else
|
||||
netprio=CGROUP_NET_PRIO
|
||||
netprio=CGROUP_NET_PRIO
|
||||
fi
|
||||
|
||||
flags=(
|
||||
BLK_CGROUP BLK_DEV_THROTTLING IOSCHED_CFQ CFQ_GROUP_IOSCHED
|
||||
CGROUP_PERF
|
||||
CGROUP_HUGETLB
|
||||
NET_CLS_CGROUP $netprio
|
||||
CFS_BANDWIDTH FAIR_GROUP_SCHED RT_GROUP_SCHED
|
||||
IP_NF_TARGET_REDIRECT
|
||||
IP_VS
|
||||
IP_VS_NFCT
|
||||
IP_VS_PROTO_TCP
|
||||
IP_VS_PROTO_UDP
|
||||
IP_VS_RR
|
||||
)
|
||||
check_flags "${flags[@]}"
|
||||
# IOSCHED_CFQ CFQ_GROUP_IOSCHED
|
||||
flags="
|
||||
BLK_CGROUP BLK_DEV_THROTTLING
|
||||
CGROUP_PERF
|
||||
CGROUP_HUGETLB
|
||||
NET_CLS_CGROUP $netprio
|
||||
CFS_BANDWIDTH FAIR_GROUP_SCHED RT_GROUP_SCHED
|
||||
IP_NF_TARGET_REDIRECT
|
||||
IP_VS
|
||||
IP_VS_NFCT
|
||||
IP_VS_PROTO_TCP
|
||||
IP_VS_PROTO_UDP
|
||||
IP_VS_RR
|
||||
"
|
||||
check_flags $flags
|
||||
|
||||
if ! is_set EXT4_USE_FOR_EXT2; then
|
||||
check_flags EXT3_FS EXT3_FS_XATTR EXT3_FS_POSIX_ACL EXT3_FS_SECURITY
|
||||
if ! is_set EXT3_FS || ! is_set EXT3_FS_XATTR || ! is_set EXT3_FS_POSIX_ACL || ! is_set EXT3_FS_SECURITY; then
|
||||
echo " $(wrap_color '(enable these ext3 configs if you are using ext3 as backing filesystem)' bold black)"
|
||||
fi
|
||||
fi
|
||||
# if ! is_set EXT4_USE_FOR_EXT2; then
|
||||
# check_flags EXT3_FS EXT3_FS_XATTR EXT3_FS_POSIX_ACL EXT3_FS_SECURITY
|
||||
# if ! is_set EXT3_FS || ! is_set EXT3_FS_XATTR || ! is_set EXT3_FS_POSIX_ACL || ! is_set EXT3_FS_SECURITY; then
|
||||
# echo " $(wrap_color '(enable these ext3 configs if you are using ext3 as backing filesystem)' bold black)"
|
||||
# fi
|
||||
# fi
|
||||
|
||||
check_flags EXT4_FS EXT4_FS_POSIX_ACL EXT4_FS_SECURITY
|
||||
if ! is_set EXT4_FS || ! is_set EXT4_FS_POSIX_ACL || ! is_set EXT4_FS_SECURITY; then
|
||||
if is_set EXT4_USE_FOR_EXT2; then
|
||||
echo " $(wrap_color 'enable these ext4 configs if you are using ext3 or ext4 as backing filesystem' bold black)"
|
||||
else
|
||||
echo " $(wrap_color 'enable these ext4 configs if you are using ext4 as backing filesystem' bold black)"
|
||||
fi
|
||||
if is_set EXT4_USE_FOR_EXT2; then
|
||||
echo " $(wrap_color 'enable these ext4 configs if you are using ext3 or ext4 as backing filesystem' bold black)"
|
||||
else
|
||||
echo " $(wrap_color 'enable these ext4 configs if you are using ext4 as backing filesystem' bold black)"
|
||||
fi
|
||||
fi
|
||||
|
||||
echo '- Network Drivers:'
|
||||
echo " - \"$(wrap_color 'overlay' blue)\":"
|
||||
check_flags VXLAN BRIDGE_VLAN_FILTERING | sed 's/^/ /'
|
||||
check_flags VXLAN | sed 's/^/ /' # BRIDGE_VLAN_FILTERING
|
||||
echo ' Optional (for encrypted networks):'
|
||||
check_flags CRYPTO CRYPTO_AEAD CRYPTO_GCM CRYPTO_SEQIV CRYPTO_GHASH \
|
||||
XFRM XFRM_USER XFRM_ALGO INET_ESP INET_XFRM_MODE_TRANSPORT | sed 's/^/ /'
|
||||
echo " - \"$(wrap_color 'ipvlan' blue)\":"
|
||||
check_flags IPVLAN | sed 's/^/ /'
|
||||
echo " - \"$(wrap_color 'macvlan' blue)\":"
|
||||
check_flags MACVLAN DUMMY | sed 's/^/ /'
|
||||
echo " - \"$(wrap_color 'ftp,tftp client in container' blue)\":"
|
||||
check_flags NF_NAT_FTP NF_CONNTRACK_FTP NF_NAT_TFTP NF_CONNTRACK_TFTP | sed 's/^/ /'
|
||||
# echo " - \"$(wrap_color 'ipvlan' blue)\":"
|
||||
# check_flags IPVLAN | sed 's/^/ /'
|
||||
# echo " - \"$(wrap_color 'macvlan' blue)\":"
|
||||
# check_flags MACVLAN DUMMY | sed 's/^/ /'
|
||||
# echo " - \"$(wrap_color 'ftp,tftp client in container' blue)\":"
|
||||
# check_flags NF_NAT_FTP NF_CONNTRACK_FTP NF_NAT_TFTP NF_CONNTRACK_TFTP | sed 's/^/ /'
|
||||
|
||||
# only fail if no storage drivers available
|
||||
CODE=${EXITCODE}
|
||||
@ -309,55 +444,47 @@ EXITCODE=0
|
||||
STORAGE=1
|
||||
|
||||
echo '- Storage Drivers:'
|
||||
echo " - \"$(wrap_color 'aufs' blue)\":"
|
||||
check_flags AUFS_FS | sed 's/^/ /'
|
||||
if ! is_set AUFS_FS && grep -q aufs /proc/filesystems; then
|
||||
echo " $(wrap_color '(note that some kernels include AUFS patches but not the AUFS_FS flag)' bold black)"
|
||||
fi
|
||||
[ "$EXITCODE" = 0 ] && STORAGE=0
|
||||
EXITCODE=0
|
||||
# echo " - \"$(wrap_color 'aufs' blue)\":"
|
||||
# check_flags AUFS_FS | sed 's/^/ /'
|
||||
# if ! is_set AUFS_FS && grep -q aufs /proc/filesystems; then
|
||||
# echo " $(wrap_color '(note that some kernels include AUFS patches but not the AUFS_FS flag)' bold black)"
|
||||
# fi
|
||||
# [ "$EXITCODE" = 0 ] && STORAGE=0
|
||||
# EXITCODE=0
|
||||
|
||||
echo " - \"$(wrap_color 'btrfs' blue)\":"
|
||||
check_flags BTRFS_FS | sed 's/^/ /'
|
||||
check_flags BTRFS_FS_POSIX_ACL | sed 's/^/ /'
|
||||
[ "$EXITCODE" = 0 ] && STORAGE=0
|
||||
EXITCODE=0
|
||||
# echo " - \"$(wrap_color 'btrfs' blue)\":"
|
||||
# check_flags BTRFS_FS | sed 's/^/ /'
|
||||
# check_flags BTRFS_FS_POSIX_ACL | sed 's/^/ /'
|
||||
# [ "$EXITCODE" = 0 ] && STORAGE=0
|
||||
# EXITCODE=0
|
||||
|
||||
echo " - \"$(wrap_color 'devicemapper' blue)\":"
|
||||
check_flags BLK_DEV_DM DM_THIN_PROVISIONING | sed 's/^/ /'
|
||||
[ "$EXITCODE" = 0 ] && STORAGE=0
|
||||
EXITCODE=0
|
||||
# echo " - \"$(wrap_color 'devicemapper' blue)\":"
|
||||
# check_flags BLK_DEV_DM DM_THIN_PROVISIONING | sed 's/^/ /'
|
||||
# [ "$EXITCODE" = 0 ] && STORAGE=0
|
||||
# EXITCODE=0
|
||||
|
||||
echo " - \"$(wrap_color 'overlay' blue)\":"
|
||||
check_flags OVERLAY_FS | sed 's/^/ /'
|
||||
[ "$EXITCODE" = 0 ] && STORAGE=0
|
||||
EXITCODE=0
|
||||
|
||||
echo " - \"$(wrap_color 'zfs' blue)\":"
|
||||
echo -n " - "; check_device /dev/zfs
|
||||
echo -n " - "; check_command zfs
|
||||
echo -n " - "; check_command zpool
|
||||
[ "$EXITCODE" = 0 ] && STORAGE=0
|
||||
EXITCODE=0
|
||||
# echo " - \"$(wrap_color 'zfs' blue)\":"
|
||||
# echo -n " - "; check_device /dev/zfs
|
||||
# echo -n " - "; check_command zfs
|
||||
# echo -n " - "; check_command zpool
|
||||
# [ "$EXITCODE" = 0 ] && STORAGE=0
|
||||
# EXITCODE=0
|
||||
|
||||
EXITCODE=$CODE
|
||||
[ "$STORAGE" = 1 ] && EXITCODE=1
|
||||
|
||||
echo
|
||||
# ---
|
||||
|
||||
check_limit_over()
|
||||
{
|
||||
if [ "$(cat "$1")" -le "$2" ]; then
|
||||
wrap_bad "- $1" "$(cat "$1")"
|
||||
wrap_color " This should be set to at least $2, for example set: sysctl -w kernel/keys/root_maxkeys=1000000" bold black
|
||||
EXITCODE=1
|
||||
else
|
||||
wrap_good "- $1" "$(cat "$1")"
|
||||
fi
|
||||
}
|
||||
|
||||
echo 'Limits:'
|
||||
check_limit_over /proc/sys/kernel/keys/root_maxkeys 10000
|
||||
echo
|
||||
if [ $EXITCODE -eq 0 ]; then
|
||||
wrap_good 'STATUS' 'pass'
|
||||
else
|
||||
wrap_bad 'STATUS' 'fail'
|
||||
fi
|
||||
|
||||
exit $EXITCODE
|
||||
|
||||
15
pkg/cli/cmds/check-config.go
Normal file
15
pkg/cli/cmds/check-config.go
Normal file
@ -0,0 +1,15 @@
|
||||
package cmds
|
||||
|
||||
import (
|
||||
"github.com/urfave/cli"
|
||||
)
|
||||
|
||||
func NewCheckConfigCommand(action func(*cli.Context) error) cli.Command {
|
||||
return cli.Command{
|
||||
Name: "check-config",
|
||||
Usage: "Run config check",
|
||||
SkipFlagParsing: true,
|
||||
SkipArgReorder: true,
|
||||
Action: action,
|
||||
}
|
||||
}
|
||||
@ -17,11 +17,24 @@ for i in bridge flannel host-local loopback portmap; do
|
||||
ln -s cni ./bin/$i
|
||||
done
|
||||
|
||||
cp contrib/util/check-config.sh bin/check-config
|
||||
|
||||
rm -rf build/data
|
||||
mkdir -p build/data build/out
|
||||
mkdir -p dist/artifacts
|
||||
|
||||
(
|
||||
set +x
|
||||
cd bin
|
||||
find . -not -path '*/\.*' -type f -exec sha256sum {} \; | sed -e 's| \./| |' | sort -k2 >.sha256sums
|
||||
(
|
||||
for f in $(find . -type l); do
|
||||
echo $f $(readlink $f)
|
||||
done
|
||||
) | sed -e 's|^\./||' | sort >.links
|
||||
set -x
|
||||
)
|
||||
|
||||
tar cvzf ./build/out/data.tar.gz --exclude ./bin/hyperkube ./bin ./etc
|
||||
HASH=$(sha256sum ./build/out/data.tar.gz | awk '{print $1}')
|
||||
|
||||
|
||||
@ -55,6 +55,7 @@ docker run -d --name ${K3S_SERVER} --privileged \
|
||||
K3S_IP=$(docker inspect --format '{{ .NetworkSettings.IPAddress }}' ${K3S_SERVER})
|
||||
echo "Started ${K3S_SERVER} @ ${K3S_IP}:${K3S_PORT}"
|
||||
|
||||
docker exec ${K3S_SERVER} check-config || true
|
||||
timeout --foreground 1m bash -c wait-for-kubeconfig
|
||||
verify-valid-versions ${K3S_SERVER}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user