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11.3. Configuring Standalone Containers Using the Command Console
Overview
The command console's config shell provides commands for editing the configuration of a standalone container. The commands allow you to inspect the container's configuration, add new PIDs, and edit the properties of any PID used by the container. These configuration changes are applied directly to the container and will persist across container restarts.
For more details on the config commands see chapter "Config Console Commands" in "Console Reference".
Listing the current configuration
The config:list command will show all of the PIDs currently in use by the container. As shown in Example 11.1, “Output of the config:list Command”, the output from config:list contains all of the PIDs and all of the properties for each of the PIDs.
Example 11.1. Output of the config:list Command
...
----------------------------------------------------------------
Pid: org.ops4j.pax.logging
BundleLocation: mvn:org.ops4j.pax.logging/pax-logging-service/1.4
Properties:
log4j.appender.out.layout.ConversionPattern = %d{ABSOLUTE} | %-5.5p | %-16.16
t | %-32.32c{1} | %-32.32C %4L | %m%n
felix.fileinstall.filename = org.ops4j.pax.logging.cfg
service.pid = org.ops4j.pax.logging
log4j.appender.stdout.layout.ConversionPattern = %d{ABSOLUTE} | %-5.5p | %-16
.16t | %-32.32c{1} | %-32.32C %4L | %m%n
log4j.appender.out.layout = org.apache.log4j.PatternLayout
log4j.rootLogger = INFO, out, osgi:VmLogAppender
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
log4j.appender.out.file = /home/apache/jboss-fuse-6.3.0.redhat-xxx/data/log/karaf.log
log4j.appender.stdout = org.apache.log4j.ConsoleAppender
log4j.appender.out.append = true
log4j.appender.out = org.apache.log4j.FileAppender
----------------------------------------------------------------
Pid: org.ops4j.pax.web
BundleLocation: mvn:org.ops4j.pax.web/pax-web-runtime/0.7.1
Properties:
org.apache.karaf.features.configKey = org.ops4j.pax.web
service.pid = org.ops4j.pax.web
org.osgi.service.http.port = 8181
----------------------------------------------------------------
...
Listing the container's configuration is a good idea before editing a container's configuration. You can use the output to ensure that you know the exact PID to change.
Editing the configuration
Editing a container's configuration involves a number of commands and must be done in the proper sequence. Not following the proper sequence can lead to corrupt configurations or the loss of changes.
To edit a container's configuration:
- Start an editing session by typing
config:edit PID.PID is the PID for the configuration you are editing. It must be entered exactly. If it does not match the desired PID, the container will create a new PID with the specified name. - Remind yourself of the available properties in a particular configuration by typing
config:proplist. - Use one of the editing commands to change the properties in the configuration.The editing commands include:
- config:propappend—appends a new property to the configuration
- config:propset—set the value for a configuration property
- config:propdel—delete a property from the configuration
- Update the configuration in memory and save it to disk by typing
config:update.
Note
To exit the configuration, without saving your changes, type
config:cancel.
Example 11.2, “Editing a Configuration” shows a configuration editing session that changes a container's logging behavior.
Example 11.2. Editing a Configuration
JBossFuse:karaf@root>config:edit org.apache.karaf.logJBossFuse:karaf@root>config:proplistservice.pid = org.apache.karaf.log size = 500 felix.fileinstall.filename = org.apache.karaf.log.cfg pattern = %d{ABSOLUTE} | %-5.5p | %-16.16t | %-32.32c{1} | %-32.32C %4L | %m%nJBossFuse:karaf@root>config:propset size 300JBossFuse:karaf@root>config:update
