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Deployment

The script files/default/cvmfs-install deploys a specific version of CernVM-FS locally. Copy this script to /usr/local/src and execute (as root):

» lsb_release -d
Description:    Debian GNU/Linux 7.0 (wheezy)
» /usr/local/src/cvmfs-install 2.1.8
All build dependencies available.
Working directory /usr/local/src/cvmfs-2.1.8
Configure finished.
Build finished.
Installation finished.

Alternatively build a Debian package to install CVMFS:

» /usr/local/src/cvmfs-install -p 2.1.15
All build dependencies available.
Working directory /usr/local/src/cvmfs-2.1.15
Configure finished.
Build finished.
Packages should be available in /usr/local/src
» ls -l /usr/local/src/
total 87484
drwxrwxr-x 13 root root      4096 Oct 31 14:01 cvmfs-2.1.15
-rw-r--r--  1 root staff    25183 Oct 31 14:02 cvmfs_2.1.15_amd64.build
-rw-r--r--  1 root staff     1127 Oct 31 14:01 cvmfs_2.1.15_amd64.changes
-rw-r--r--  1 root staff 12599844 Oct 31 14:01 cvmfs_2.1.15_amd64.deb
-rw-r--r--  1 root staff      642 Oct 31 14:01 cvmfs_2.1.15.dsc
-rw-r--r--  1 root staff 25151434 Oct 31 13:54 cvmfs_2.1.15.orig.tar.gz
-rw-r--r--  1 root staff 51782134 Oct 31 14:01 cvmfs_2.1.15.tar.gz
[…]
» apt-get install $(dpkg -f cvmfs_2.1.15_amd64.deb depends | tr -d ',')
» dpkg -i cvmfs_2.1.15_amd64.deb

It is recommended to test the package inside a clean environment (different node), before shipping to a package mirror.

Configuration

Server

This install Apache before creating a CernVM-FS file-system repository:

» apt-get install apache2
» cvmfs_server mkfs repo.devops.test
[…]
» cvmfs_server transaction
» df -h -t aufs -t fuse
Filesystem             Size  Used Avail Use% Mounted on
/dev/fuse              4.0G   30K  4.0G   1% /var/spool/cvmfs/repo.devops.test/rdonly
aufs_repo.devops.test   40G  1.4G   36G   4% /cvmfs/repo.devops.test
» ls -1 /cvmfs/repo.devops.test
new_repository

Details are described in the CernVM-FS Technical Report. In order to update the repository (add/remove content) use the cvmfs_server script:

» cvmfs_server transaction
» echo "Content" > /cvmfs/repo.devops.test/test.txt
» cvmfs_server publish
Processing changes...
[add] /cvmfs/repo.devops.test/test.txt
Waiting for upload of files before committing...
Committing file catalogs...
Exporting repository manifest
Signing /var/spool/cvmfs/repo.devops.test/tmp/manifest
Remounting newly created repository revision

Check if the repository is working:

» curl -sL -w "%{http_code} %{url_effective}\\n" -o /dev/null http://localhost/cvmfs/repo.devops.test/.cvmfspublished 
200 http://localhost/cvmfs/repo.devops.test/.cvmfspublished
» cat /var/log/apache2/access.log
::1 - - [10/Apr/2013:14:14:34 +0200] "GET /cvmfs/repo.devops.test/.cvmfspublished HTTP/1.1" 200 690 "-" "curl/7.26.0"

Deploy the HTTP proxy:

» apt-get install squid3 
» grep devops /etc/squid3/squid.conf 
acl devops src 10.1.1.0/24
http_access allow devops
» /etc/init.d/squid3 restart

Clients

Make sure FUSE is correctly configured:

» chgrp fuse /dev/fuse
» chmod 0660 /dev/fuse
» adduser cvmfs fuse
» cvmfs_config setup
» grep ^user /etc/fuse.conf 
user_allow_other # added by CernVM-FS
» cvmfs_config chksetup
OK

Configure the CVMFS client:

» cat /etc/cvmfs/default.local 
CVMFS_REPOSITORIES="repo.devops.test"
CVMFS_CACHE_BASE=/var/cache/cvmfs
» mkdir -p /var/cache/cvmfs
» chown cvmfs:cvmfs /var/cache/cvmfs/
» cat /etc/cvmfs/config.d/repo.devops.test.conf 
CVMFS_SERVER_URL=http://lxdev01.devops.test/cvmfs/repo.devops.test
CVMFS_HTTP_PROXY=DIRECT
CVMFS_PUBLIC_KEY=/etc/cvmfs/keys/repo.devops.test.pub
» cvmfs_config chksetup
OK

Mount the repository:

» mkdir -p /cvmfs/repo.devops.test
» mount -t cvmfs repo.devops.test /cvmfs/repo.devops.test/
CernVM-FS: running with credentials 999:999
CernVM-FS: loading Fuse module... done
CernVM-FS: mounted cvmfs on /cvmfs/repo.devops.test/
» cvmfs_config probe
Probing /cvmfs/repo.devops.test... OK