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#!/sbin/openrc-run
extra_started_commands="loadconfig saveconfig"
description="NGINX Unit"
description_loadconfig="Load saved configuration"
description_saveconfig="Save configuration to file"
: ${control_socket:="unix:/run/control.unit.sock"}
: ${logfile:="/var/log/unit.log"}
: ${statedir:="/var/lib/unit"}
: ${config_file:="/etc/unit/unit.conf"}
: ${config_load_on_start:="no"}
: ${config_save_on_stop:="no"}
command="/usr/sbin/unitd"
command_args="
--no-daemon
--log $logfile
--control $control_socket
$command_args"
command_background="yes"
pidfile="/run/$RC_SVCNAME.pid"
depend() {
need net
use dns logger netmount
}
start_post() {
if yesno "$config_load_on_start" && [ -f "$config_file" ]; then
check_control_socket || return 1
ewaitfile 5 "${control_socket#unix:}" || return 1
loadconfig || return 1
fi
}
stop_pre() {
if yesno "$config_save_on_stop"; then
saveconfig
fi
}
saveconfig() {
ebegin "Saving configuration to $config_file"
check_control_socket || return 1
checkpath -d "${config_file%/*}" || return 1
local tmpfile=$(mktemp)
curl -sS --unix-socket "${control_socket#unix:}" localhost/config > "$tmpfile" || {
rm -f "$tmpfile"
eend 1 "Could not retrieve configuration"
return 1
}
cat "$tmpfile" > "$config_file" && rm -f "$tmpfile"
eend $?
}
loadconfig() {
ebegin "Loading configuration from $config_file"
check_control_socket || return 1
if ! [ -f "$config_file" ]; then
eend 1 "File $config_file does not exist"
return 1
fi
local resp=$(curl -sS -X PUT --data-binary "@$config_file" \
--write-out "\nHTTP_CODE:%{http_code}\n" \
--unix-socket "${control_socket#unix:}" localhost/config)
if [ "$(echo "$resp" | sed -n 's/^HTTP_CODE:\(\d\).*/\1/p')" -ne 2 ]; then
eend 1 "Unable to load configuration"
echo "$resp" | sed '/^HTTP_CODE:/d' >&2
return 1
fi
eend 0
}
check_control_socket() {
case "$control_socket" in
unix:*) return 0;;
esac
eerror "control_socket must be a unix socket when using saveconfig or loadconfig"
return 1
}
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