CI: try to optimize the file system usage when building in the CI VM env. Increased the VM memory of one to allow linking

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

ci-scripts/buildOnVM.sh

@@ -164,6 +164,9 @@ function build_on_vm {
     echo "cd tmp" >> $VM_CMDS
     echo "echo \"unzip -qq -DD ../localZip.zip\"" >> $VM_CMDS
     echo "unzip -qq -DD ../localZip.zip" >> $VM_CMDS
+    # Trying to make some room on filesystem before building
+    echo "rm ../localZip.zip" >> $VM_CMDS
+    echo "export CI_ENV=True" >> $VM_CMDS
     if [[ "$VM_NAME" == *"-cppcheck"* ]]
     then
         echo "mkdir cmake_targets/log" >> $VM_CMDS

ci-scripts/oai-ci-vm-tool

@@ -172,6 +172,7 @@ function setvar_usage {
 function variant__v1__enb_usrp {
     NB_PATTERN_FILES=9
     BUILD_OPTIONS="--eNB -w USRP --mu"
+    VM_MEMORY=3072
 }
     
 function variant__v2__basic_sim {

cmake_targets/tools/build_helper

@@ -273,6 +273,10 @@ install_protobuf_from_source(){
     make -j`nproc`
     $SUDO make install
     $SUDO ldconfig
+    if [[ -v CI_ENV ]]; then
+        cd /tmp
+        $SUDO rm -rf protobuf*
+    fi
     ) >& $protobuf_install_log
 }
 
@@ -295,6 +299,10 @@ install_protobuf_c_from_source(){
     make -j`nproc`
     $SUDO make install
     $SUDO ldconfig
+    if [[ -v CI_ENV ]]; then
+        cd /tmp
+        $SUDO rm -rf protobuf*
+    fi
     ) >& $protobuf_c_install_log
 }
 
@@ -831,6 +839,9 @@ install_asn1c_from_source(){
     $SUDO make install
     cd -
     $SUDO ldconfig
+    if [[ -v CI_ENV ]]; then
+        $SUDO rm -rf /tmp/asn1c
+    fi
     ) > $asn1_install_log 2>&1
 }