Occasionally additional software needs to be installed to in the tool execution environment for a tool. Please following these instructions in the following order. Keep in mind that this environment is common for all tools.
Install a Debian package in the tool execution environment template
Previously you should check that the software to be installed is available for the template operating system at https://packages.debian.org/ .
As root enter the 'chroot' template environment (Debian 7 as of this writing, but could be Debian 8 etc. modify the commands as necessary).
sudo chroot /var/lib/vz/template/debian-7.0-amd64-maxwell/
Check the release version of the template operating system.
# cat /etc/issue
Debian GNU/Linux 7 n l # as of this writing.
Always update packages before installing new ones.
# apt-get update # apt-get upgrade
Install the new package
# apt-get install <packagename>
Exit the chroot environment.
Manually install software in the 'use' infrastructure
Typically we create and run Hapi scripts to configure, compile, and install software in the tool execution environment. This is especially important when multiple versions of the same software must be available to individual tools For example, Tool A may require R version 3.2.5 while Tool B may require R version 3.5.0 neither of which could use any other version of R. "Use" is very useful in this case among other to be able to load specific software versions on a per tool basis.
All operations for manually installing dependent software for tools must be done by the apps user from a workspace terminal.
As the apps user clone the Hapi repo into the apps home directory:
git clone https://github.com/hubzero/hapi.git
Hapi scripts are shell scripts and if one exists for software that you need, just run it! Feel free too add a new Hapi script you created to the repo by submitted a pull request. We add scripts occasionally too.
If a script doesn't exist for the software you need, copy one of the Hapi script and then modify it. Hapi scripts make you life much easier by downloading, configuring, compiling, installing and even adding the require 'use' environ.d file to the appropropriate locations.
All tool dependencies are installed by the apps user in /apps/share/debian7 or /apps/share64/debian7 and should be owned by the apps user and groups. All files must be readable by everyone and all directories must be searchable by everyone. No files or directories should be writable by everyone ( seriously don't do this )
* For a full manual run "man use" from a tool session terminal.
use, unuse - adjust the shell environment
use [options]... [ENVIRONMENT]
unuse [options]... [ENVIRONMENT]
The use command incorporates the specified ENVIRONMENT to the current shell. The unuse command removes it. It optionally records the selection persistently so that subsequent shells will use the ENVIRONMENT. These commands are independent of the shell being run.
An ENVIRONMENT is specified by a configuration file of the same name as found in one of the configuration directories. The ENVIRON_CONFIG_DIRS environment variable specifies a list of directories in which to search for configurations. Each configured ENVIRONMENT specifies a environment variables to set or prepend, shell variables to
set, and shell aliases to set.
Some environments are configured to conflict with others. The use command will ask if conflicting ENVIRONMENT should be replaced.
With no arguments, the use and unuse commands will print a synopsys of options and lists all available environments.
-h print available help for a named ENVIRONMENT.
-e environment only. Do not ask about preserving the selection.
-p modify the environment and preserve selection. Do not ask about preserving the selection.
-k keep any conflicting environment. Do not ask about replacing it.
-r replace any conflicting environment without asking.
-x quietly ignore the command if the named ENVIRONMENT cannot be found.
MAKING IT WORK
The following command will describe an environment named xyz:
use -h xyz
The following command will incorporate the xyz environment preserving the environment for future shell invocations. It will also not override any conflicting environments:
use -p -k xyz
The following command will remove the xyz environment but retain its use for future sessions:
unuse -e xyz
use and unuse are actually implemented as shell functions (or as aliases in the case of csh derivatives). The functions pass their arguments to the /etc/environ script which determines the commands that the shell should execute to satisfy the new environment configuration. The script prints these commands, the shell function receives
them and evals them.
ENVIRONMENT CONFIGURATION FILES
Configuration files are interpreted shell scripts. Several predefined functions are available to make the the process automatic.
alias NAME "Replacement"
Set a command alias in the shell.
Define an environment variable to indicate that a type of an ENVIRONMENT is in use. All conflicting ENVIRONMENT configurations should specify the same conflict. An ENVIRONMENT configuration may specify multiple conflicts.
desc "A short description..."
A short description of the ENVIRONMENT.
help "A lengthy description..."
A long description of the ENVIRONMENT and how to use it. This description will be formatted when printed.
prepend VARNAME ADDITION
Prepend ADDITION to the environment variable VARNAME separated with a colon.
setenv VARNAME REPLACEMENT
Set or replace the environment variable VARNAME with REPLACEMENT.
shellset VARNAME REPLACEMENT
Set or replace the shell variable VARNAME with REPLACEMENT.