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Avoid set empty hostname

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Avaoid situation where we end up with an empty /etc/hostname.
This commit is contained in:
Natanael Copa 2023-05-08 21:49:53 +02:00
parent 468407db05
commit 7be3b198fb
1 changed files with 9 additions and 0 deletions
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9
lib/tiny-cloud/init
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@ -198,7 +198,16 @@ init__enable_sshd() {
init__set_hostname() { init__set_hostname() {
local fqdn=$(imds @hostname) local fqdn=$(imds @hostname)
if [ -z "$fqdn" ]; then
log info "No hostname set"
return
fi
local host="${fqdn%%\.*}" local host="${fqdn%%\.*}"
if [ -z "$host" ]; then
log err "$fqdn is not a valid hostname"
return 1
fi
mkdir -p "$ROOT"/etc mkdir -p "$ROOT"/etc
echo "$host" > "$ROOT"/etc/hostname echo "$host" > "$ROOT"/etc/hostname