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Temporarily disable 'set -u' in cloud-init.func

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Disables 'unbound variable' errors at the start of the script to prevent issues with unset variables, and restores the previous shell options at the end. This ensures compatibility and avoids unexpected script failures.
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CanbiZ
2025-12-03 13:31:17 +01:00
parent c961dffcf1
commit 2b9851ba38
1 changed files with 9 additions and 0 deletions
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9
misc/cloud-init.func
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@@ -28,6 +28,10 @@
# ==============================================================================
# These can be overridden before sourcing this library
# Disable 'unbound variable' errors for this library (restored at end)
_OLD_SET_STATE=$(set +o | grep -E 'set -(e|u|o)')
set +u
CLOUDINIT_DEFAULT_USER="${CLOUDINIT_DEFAULT_USER:-root}"
CLOUDINIT_DNS_SERVERS="${CLOUDINIT_DNS_SERVERS:-1.1.1.1 8.8.8.8}"
CLOUDINIT_SEARCH_DOMAIN="${CLOUDINIT_SEARCH_DOMAIN:-local}"
@@ -459,6 +463,11 @@ export -f wait_for_cloud_init 2>/dev/null || true
export -f validate_ip_cidr 2>/dev/null || true
export -f validate_ip 2>/dev/null || true
# Restore previous shell options if they were saved
if [ -n "${_OLD_SET_STATE:-}" ]; then
eval "$_OLD_SET_STATE"
fi
# ==============================================================================
# SECTION 7: EXAMPLES & DOCUMENTATION
# ==============================================================================