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|
## template:jinja
#!/bin/sh
set -f
LOG=""
DEBUG_LEVEL=1
LOG_D="/run/cloud-init"
LOG_F="/run/cloud-init/cloud-init-generator.log"
ENABLE="enabled"
DISABLE="disabled"
RUN_ENABLED_FILE="$LOG_D/$ENABLE"
RUN_DISABLED_FILE="$LOG_D/$DISABLE"
CLOUD_TARGET_NAME="cloud-init.target"
# lxc sets 'container', but lets make that explicitly a global
CONTAINER="${container}"
# start: template section
{% if variant in ["suse"] %}
CLOUD_SYSTEM_TARGET="/usr/lib/systemd/system/cloud-init.target"
{% else %}
CLOUD_SYSTEM_TARGET="/lib/systemd/system/cloud-init.target"
{% endif %}
{% if variant in ["almalinux", "centos", "cloudlinux", "eurolinux", "fedora",
"miraclelinux", "openeuler", "OpenCloudOS", "openmandriva", "rhel", "rocky", "TencentOS", "virtuozzo"] %}
dsidentify="/usr/libexec/cloud-init/ds-identify"
{% elif variant == "benchmark" %}
dsidentify="/bin/true"
{% else %}
dsidentify="/usr/lib/cloud-init/ds-identify"
{% endif %}
# end: template section
debug() {
local lvl="$1"
shift
[ "$lvl" -gt "$DEBUG_LEVEL" ] && return
if [ -z "$LOG" ]; then
{ [ -d "$LOG_D" ] || mkdir -p "$LOG_D"; } &&
{ : > "$LOG_F"; } >/dev/null 2>&1 && LOG="$LOG_F" ||
LOG="/dev/kmsg"
fi
echo "$@" >> "$LOG"
}
main() {
local normal_d="$1" early_d="$2" late_d="$3"
local target_name="multi-user.target" gen_d="$early_d"
local link_path="$gen_d/${target_name}.wants/${CLOUD_TARGET_NAME}"
local ds="" ret=""
debug 1 "$0 normal=$normal_d early=$early_d late=$late_d"
debug 2 "$0 $*"
# ds=found => enable
# ds=notfound => disable
# <any> => disable
debug 1 "checking for datasource"
if [ ! -x "$dsidentify" ]; then
debug 1 "no ds-identify in $dsidentify"
ds=0
fi
$dsidentify
ds=$?
debug 1 "ds-identify rc=$ds"
if [ "$ds" = "1" -o "$ds" = "2" ]; then
if [ "$ds" = "1" ]; then
debug 1 "cloud-init is enabled but no datasource found, disabling"
else
debug 1 "cloud-init is disabled by kernel command line or etc_file"
fi
if [ -f "$link_path" ]; then
if rm -f "$link_path"; then
debug 1 "disabled. removed existing $link_path"
else
ret=$?
debug 0 "[$ret] disable failed, remove $link_path"
fi
else
debug 1 "already disabled: no change needed [no $link_path]"
fi
if [ -e "$RUN_ENABLED_FILE" ]; then
debug 1 "removing $RUN_ENABLED_FILE and creating $RUN_DISABLED_FILE"
rm -f "$RUN_ENABLED_FILE"
fi
: > "$RUN_DISABLED_FILE"
elif [ "$ds" = "0" ]; then
if [ -e "$link_path" ]; then
debug 1 "already enabled: no change needed"
else
[ -d "${link_path%/*}" ] || mkdir -p "${link_path%/*}" ||
debug 0 "failed to make dir $link_path"
if ln -snf "$CLOUD_SYSTEM_TARGET" "$link_path"; then
debug 1 "enabled via $link_path -> $CLOUD_SYSTEM_TARGET"
else
ret=$?
debug 0 "[$ret] enable failed:" \
"ln $CLOUD_SYSTEM_TARGET $link_path"
fi
fi
if [ -e $RUN_DISABLED_FILE ]; then
debug 1 "removing $RUN_DISABLED_FILE and creating $RUN_ENABLED_FILE"
rm -f $RUN_DISABLED_FILE
fi
: > "$RUN_ENABLED_FILE"
else
debug 0 "unexpected result '$result' 'ds=$ds'"
ret=3
fi
return $ret
}
main "$@"
|
