crio.service: make crio command line setting easier
To customize crio command line, users have to replace the whole
ExecStart line in their crio.service.d *.conf line to set additional
parameters.
Change crio.service to allow the customization using Environment
variables.
@@ -9,6 +9,8 @@ Type=notify
EnvironmentFile=-/etc/sysconfig/crio
Environment=GOTRACEBACK=crash
ExecStart=/usr/local/bin/crio \
+ $CRIO_CONFIG_OPTIONS \
+ $CRIO_RUNTIME_OPTIONS \
$CRIO_STORAGE_OPTIONS \
$CRIO_NETWORK_OPTIONS \
$CRIO_METRICS_OPTIONS
