Sample localrc for user-configurable variables in stack.sh NOTE: Copy this file to the root devstack directory for it to work properly.

localrc is a user-maintained setings file that is sourced from stackrc. This gives it the ability to override any variables set in stackrc. Also, most of the settings in stack.sh are written to only be set if no value has already been set; this lets localrc effectively override the default values.

This is a collection of some of the settings we have found to be useful in our DevStack development environments. Additional settings are described in http://devstack.org/localrc.html These should be considered as samples and are unsupported DevStack code.

Minimal Contents

While stack.sh is happy to run without localrc, devlife is better when there are a few minimal variables set:

If the *_PASSWORD variables are not set here you will be prompted to enter values for them by stack.sh and they will be added to localrc.


HOST_IP should be set manually for best results if the NIC configuration of the host is unusual, i.e. eth1 has the default route but eth0 is the public interface. It is auto-detected in stack.sh but often is indeterminate on later runs due to the IP moving from an Ethernet interface to a bridge on the host. Setting it here also makes it available for openrc to include when setting OS_AUTH_URL. HOST_IP is not set by default.



By default stack.sh output only goes to the terminal where it runs. It can be configured to additionally log to a file by setting LOGFILE to the full path of the destination log file. A timestamp will be appended to the given name.


Old log files are automatically removed after 7 days to keep things neat. Change the number of days by setting LOGDAYS.


Nova logs will be colorized if SYSLOG is not set; turn this off by setting LOG_COLOR false.


Using milestone-proposed branches

Uncomment these to grab the milestone-proposed branches from the repos:



Swift is now used as the back-end for the S3-like object store. If Nova's objectstore (n-obj in ENABLED_SERVICES) is enabled, it will NOT run if Swift is enabled. Setting the hash value is required and you will be prompted for it if Swift is enabled so just set it to something already:


For development purposes the default of 3 replicas is usually not required. Set this to 1 to save some resources:


The data for Swift is stored by default in ($DEST/data/swift), or ($DATA_DIR/swift) if DATA_DIR has been set, and can be moved by setting SWIFT_DATA_DIR. The directory will be created if it does not exist.