source:
flex_extract.git/For_developers/Sphinx/Source/Documentation/Input/setup.rst
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The installation script - setup.sh
The installation of flex_extract is done by the shell script setup.sh located in the root directory of flex_extract. It calls the top-level Python script install.py which does all the necessary operations to prepare the application environment selected. This includes:
- preparing the file ECMWF_ENV with the user credentials for member-state access to ECMWF servers (in remote and gateway mode)
- preparation of a compilation Korn-shell script (in remote and gateway mode)
- preparation of a job template with user credentials (in remote and gateway mode)
- create a tarball of all necessary files
- copying the tarball to the target location (depending on application mode and installation path)
- submit the compilation script to the batch queue at ECMWF servers (in remote and gateway mode) or just untar the tarball at target location (local mode)
- compilation of the Fortran program calc_etadot
The Python installation script install.py has several command line arguments defined in setup.sh, in the section labelled "AVAILABLE COMMANDLINE ARGUMENTS TO SET". The user has to adapt these parameters according to his/her personal needs. The parameters are listed and described in :ref:`ref-instparams`. The script also does some checks to guarantee that the necessary parameters were set.
After the installation process, some tests can be conducted. They are described in section :ref:`ref-testinstallfe`.
The following diagram sketches the files and scripts involved in the installation process:
.. blockdiag:: blockdiag { default_fontsize = 24; // Set node metrix node_width = 300; // default is 128 // Set span metrix span_width = 80; // default value is 64 ECMWF_ENV.template [shape = flowchart.input]; compilejob.template [shape = flowchart.input]; job.template [shape = flowchart.input]; compilejob.ksh [shape = roundedbox]; // tarball // ECMWF_ENV // job.temp "CONTROL file" [shape = flowchart.input]; setup.sh [shape = roundedbox]; install.py [shape = roundedbox]; "ECMWF server" [shape = flowchart.terminator]; //beginpoint [shape = beginpoint]; orientation = landscape; //beginpoint -> setup.sh; setup.sh -> install.py; install.py <- "CONTROL file"; install.py -> ECMWF_ENV, job.temp, compilejob.ksh, tarball; ECMWF_ENV.template, job.template, compilejob.template -> install.py; tarball, compilejob.ksh -> "ECMWF server"; group exec { // set backgound color color = "#FF6633"; orientation = portrait; setup.sh; install.py; } group out { color = "#FFFFFF"; group output { color = "#99FF99"; ECMWF_ENV; job.temp; compilejob.ksh; } group ECMWF { color = "#006600"; tarball; } } group input { color = "#FFFFFF"; group temps { color = "#66CCFF"; ECMWF_ENV.template; job.template; compilejob.template; } group in { color = "#3366FF"; "CONTROL file"; } } }
.. blockdiag:: :caption: Diagram of data flow during the installation process. Trapezoids are input files with the light blue area being the template files. Round-edge orange boxes are executable files which start the installation process and read the input files. Rectangular green boxes are output files. Light green files are needed only in the remota and gateway mode. blockdiag { group{ orientation = portrait; label = "Legend"; fontsize = 28; color = "#FFFFFF"; 'executable scripts' [shape = roundedbox]; 'input files' [shape = flowchart.input]; 'output files'; server [shape = flowchart.terminator]; } }
Installation parameters
.. exceltable:: Parameter for Installation :file: ../../_files/InstallationParameter.xls :header: 1
Content of setup.sh
.. literalinclude:: ../../../../../setup.sh :language: bash :caption: setup.sh
Usage of install.py (optional)
It is also possible to start the installation process of flex_extract directly from the command line by using the install.py script instead of the wrapper shell script setup.sh. This top-level script is located in flex_extract_vX.X/Source/Python and is executable. With the --help parameter, we see again all possible command line parameters.
install.py --help usage: install.py [-h] [--target INSTALL_TARGET] [--makefile MAKEFILE] [--ecuid ECUID] [--ecgid ECGID] [--gateway GATEWAY] [--destination DESTINATION] [--installdir INSTALLDIR] [--job_template JOB_TEMPLATE] [--controlfile CONTROLFILE] Install flex_extract software locally or on ECMWF machines optional arguments: -h, --help show this help message and exit --target INSTALL_TARGET Valid targets: local | ecgate | cca , the latter two are at ECMWF (default: None) --makefile MAKEFILE Name of makefile to compile the Fortran code. (default depends on `target`: local - makefile_local_gfortran, ecgate - makefile_ecgate, cca - makefile_cray) --ecuid ECUID The user id at ECMWF. (default: None) --ecgid ECGID The group id at ECMWF. (default: None) --gateway GATEWAY The IP name (or IP address) of the local gateway server. (default: None) --destination DESTINATION The ecaccess association, e.g. myUser@genericSftp (default: None) --installdir INSTALLDIR Root directory where flex_extract will be installed to. (default: None) --job_template JOB_TEMPLATE The rudimentary template file to create a batch job template for submission to ECMWF servers. (default: job.template) --controlfile CONTROLFILE The file with all CONTROL parameters. (default: CONTROL_EA5)
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