mirror of
https://gitlab.alpinelinux.org/alpine/cloud/tiny-cloud.git
synced 2025-12-16 03:42:44 +03:00
64a6c4ea4f
* update README, example config * nocloud and aws share IMDS layout, move vars and funcs from aws imds lib to main imds script * IMDS_USERDATA value is no longer configurable * note that azure and oci are missing some network bits yet
57 lines
1.5 KiB
Bash
57 lines
1.5 KiB
Bash
# Tiny Cloud - Final Phase Functions
|
|
# vim:set ts=4 et ft=sh:
|
|
|
|
source /lib/tiny-cloud/init-common
|
|
|
|
|
|
match_header() {
|
|
local bytes=$(echo -en "$1")
|
|
[ "$bytes" = $(dd bs=1 count=${#bytes} if="$2" 2>/dev/null) ]
|
|
}
|
|
|
|
save_userdata() {
|
|
skip_action save_userdata && return
|
|
|
|
local userdata="$TINY_CLOUD_VAR/$CLOUD_USERDATA"
|
|
local tmpfile=$(mktemp "$userdata.XXXXXX")
|
|
local cmd
|
|
|
|
imds -e @userdata > "$tmpfile"
|
|
cmd="cat"
|
|
if ! skip_action decompress_userdata; then
|
|
if match_header '\037\213\010' "$tmpfile"; then
|
|
cmd="gzip -dc"
|
|
elif match_header 'BZh' "$tmpfile"; then
|
|
cmd="bzip2 -dc"
|
|
elif match_header '\3757zXZ\000' "$tmpfile"; then
|
|
cmd="unxz -c"
|
|
elif match_header '\135\0\0\0' "$tmpfile"; then
|
|
cmd="lzma -dc"
|
|
elif match_header '\211\114\132' "$tmpfile"; then
|
|
cmd="lzop -dc"
|
|
elif match_header '\002!L\030' "$tmpfile"; then
|
|
cmd="lz4 -dc"
|
|
elif match_header '(\265/\375' "$tmpfile"; then
|
|
cmd="zstd -dc"
|
|
fi
|
|
fi
|
|
$cmd "$tmpfile" > "$userdata"
|
|
rm "$tmpfile"
|
|
}
|
|
|
|
is_userdata_script() {
|
|
head -n1 "$TINY_CLOUD_VAR/$CLOUD_USERDATA" | grep -q "#!/"
|
|
}
|
|
|
|
run_userdata() {
|
|
skip_action run_userdata && return
|
|
|
|
local log="$TINY_CLOUD_LOGS/$CLOUD_USERDATA.log"
|
|
local exit="$TINY_CLOUD_LOGS/$CLOUD_USERDATA.exit"
|
|
local userdata="$TINY_CLOUD_VAR/$CLOUD_USERDATA"
|
|
|
|
chmod +x "$userdata"
|
|
{ "$userdata" 2>& 1; echo $? > "$exit"; } | tee "$log"
|
|
|
|
return $(cat "$exit")
|
|
} |