Merge pull request #94 from boegel/cvmfs_eessi

add script to install CernVM-FS and configure access to EESSI on workernodes

roles/packer/files/all.pkr.hcl

@@ -172,4 +172,8 @@ build {
     provisioner "shell" {
         script = "/home/citc/compute_image_extra.sh"
     }
+
+    provisioner "shell" {
+        script = "/home/citc/install_cvmfs_eessi.sh"
+    }
 }

roles/packer/files/compute_image_extra.sh

@@ -6,3 +6,6 @@
 # e.g.:
 # sudo yum -y groupinstall "Development Tools"
 # sudo yum -y install cmake gcc-gfortran
+
+# to install CernVM-FS and configure access to EESSI, uncomment the line below:
+# /home/citc/install_cvmfs_eessi.sh

roles/packer/files/install_cvmfs_eessi.sh

@@ -0,0 +1,39 @@
+#
+# Script to install CernVM-FS on CentOS 8 host,
+# and add configuration to access the  European Environment for Scientific Software Installations (EESSI)
+# (see https://eessi.github.io/docs)
+#
+
+set -eu
+
+# install CernVM-FS
+if [[ $(arch) == "aarch64" ]]; then
+    # no package available for CernVM-FS for CentOS 8 and aarch64 systems, so building from source...
+    sudo dnf install -y cmake fuse-devel fuse3-devel fuse3-libs gcc-c++ libcap-devel libuuid-devel make openssl-devel patch python2 python3-devel unzip valgrind zlib-devel
+    curl -OL https://github.com/cvmfs/cvmfs/archive/cvmfs-2.7.5.tar.gz
+    tar xfz cvmfs-2.7.5.tar.gz
+    cd cvmfs*2.7.5
+    mkdir build
+    cd build
+    cmake ..
+    make -j $(nproc)
+    sudo make install
+
+    sudo dnf install -y attr autofs
+    sudo dnf install -y fuse
+
+    # fuse3 must be around for building, but not at runtime (for CentOS 8);
+    # causes failure to mount CernVM-FS filesystems (FUSE3 version is too old?)
+    sudo dnf remove -y fuse3-libs fuse3-devel
+else
+    sudo dnf install -y https://ecsft.cern.ch/dist/cvmfs/cvmfs-release/cvmfs-release-latest.noarch.rpm
+    sudo dnf install -y cvmfs
+fi
+
+# install CernVM-FS configuration for EESSI
+sudo dnf install -y https://github.com/EESSI/filesystem-layer/releases/download/v0.2.3/cvmfs-config-eessi-0.2.3-1.noarch.rpm
+
+# configure CernVM-FS (no proxy, 10GB quota for CernVM-FS cache)
+sudo bash -c "echo 'CVMFS_HTTP_PROXY=DIRECT' > /etc/cvmfs/default.local"
+sudo bash -c "echo 'CVMFS_QUOTA_LIMIT=10000' >> /etc/cvmfs/default.local"
+sudo cvmfs_config setup