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| {{petals-esb}} | The base package of Petals ESB to run a minimalist container | {{java2-runtime}}, {{curl}} | required |
| {{petals-esb-autoloader}} | The extension "Petals ESB Autoloader" | {{petals-esb}} | not recommended |
| {{petals-esb-artfifact-repository}} | The extension "Petals ESB artifact repository" | {{petals-esb}} | optional |
| {{petals-esb-wsapi}} | The extension "Petals ESB WS API" | {{petals-esb-artfifact-repository}} | optional |

+Note 1:+ The Petals ESB Autoloader is not recommended in production mode because of security reasons.

+Note 2:+ If your security policy requires to push your JBI artifacts on the host instead of downloading them, you can:
* use the extension Petals ESB artifact repository and push your JBI artifacts in its repository,
* or, push your JBI artifacts in a dedicated directory and use a remote Petals CLI with local file-based URLs.

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h1. Content of the packages

h2. Content of the package "{{petals-esb}}"

This package arrives with following directories and files:
* {{/usr/bin/petals-esb}}: The script used to start a Petals container,
* {{/usr/bin/petals-esb.sh}}: A link to {{/usr/bin/petals-esb}}, for compatibility with previous versions,
* {{/usr/share/petals-esb}}: Directory containing all Java libraries required by Petals ESB,
* {{/usr/share/petals-esb/extensions}}: Directory containing all extensions of Petals ESB,
* {{/etc/init.d/petals-esb}}: Automatic startup/stop script
* {{/etc/petals-esb/container-enable/<container-name>}}: A directory containing the configuration of a Petals container:
** {{server.properties}}: the base configuration of the Petals container,
** usually, the following configuration files are placed in the same directory than the file {{server.properties}}:
*** {{topology.xml}}: the Petals topology of which the container is a member,
*** {{loggers.properties}}: configuration file of the logging system based on JDK Logging,
*** {{log4j.properties}}: configuration file of the logging system Log4J,
* {{/etc/petals-esb/container-available}}: A directory containing links to sub-directoryies of {{/etc/petals-esb/container-enable}}. If a container is linked into this directory, it will be automatically started on machine startup,
* {{/var/lib/petals-esb/<container-name>}}: Default location of the root directory of the Petals container data area. It will contain:
** the sub-directory {{repository}} is the *default* storage area of the internal repository containing installed/deployed artefacts,
** the sub-directory {{work}} used as internal working area of the *default* container,
* {{/var/log/petals-esb/<container-name>}}: Default location in which logging files of the Petals container will be written,
* {{/usr/share/petals-esb/licenses}}: Directory containing license files.

h2. Content of the package "{{petals-esb-autoloader}}"

In addition to the extension JAR file put in the directory {{/usr/share/petals-esb/extensions}}, this package arrives with 2 new sub-directories of the root directory of the Petals container data area:
* the sub-directory {{install}}: the directory scanned by the auto-loader of the container to install/deploy artfifact,
* the sub-directory {{installed}}: the directory scanned by the auto-loader of the container to uninstall/undeploy artfifact.

h2. Content of the package "{{petals-esb-artfifact-repository}}"

In addition to the extension JAR file put in the directory {{/usr/share/petals-esb/extensions}}, this package arrives with one new sub-directory of the root directory of the Petals container data area:
* the sub-directory {{artifacts}} in which artifacts should be placed before installation/deployment according to the following sub-tree:
** {{sl}}: in which all JBI shared library archives are put,
** {{components}}: in which all JBI component archives are put,
** {{sa}}: in which all JBI service assembly archives are put.

h2. Content of the package "{{petals-esb-wsapi}}"

This package provides only extension JARs file put in the directory {{/usr/share/petals-esb/extensions}}.