Use temporary HOME while building ceph

Makefile

@@ -28,6 +28,7 @@ all: ceph-config ceph-sudoer
 	swapon swap
 	mkdir tmp
 	mount --bind tmp /tmp
+	mkdir ceph-home
 	ln -s /lib /lib64
 
 	tar xf ceph-15.2.17.tar.gz
@@ -43,11 +44,11 @@ all: ceph-config ceph-sudoer
 	    patch -Np1 -d ceph-15.2.17 < ceph-15.2.17-arm32_fix.patch ; \
 	    patch -Np1 -d ceph-15.2.17 < ceph-15.2.17-arm32_fix_tests.patch ; \
 	fi
-	cd ceph-15.2.17 && ./do_cmake.sh -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_INSTALL_SYSCONFDIR=/etc -DCMAKE_INSTALL_LIBEXECDIR=/lib -DWITH_SPDK=OFF -DWITH_RDMA=OFF -DWITH_RADOSGW_AMQP_ENDPOINT=OFF -DWITH_PYTHON2=OFF -DWITH_PYTHON3=ON -DALLOCATOR=tcmalloc_minimal
+	cd ceph-15.2.17 && HOME=$(CURDIR)/ceph-home ./do_cmake.sh -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_INSTALL_SYSCONFDIR=/etc -DCMAKE_INSTALL_LIBEXECDIR=/lib -DWITH_SPDK=OFF -DWITH_RDMA=OFF -DWITH_RADOSGW_AMQP_ENDPOINT=OFF -DWITH_PYTHON2=OFF -DWITH_PYTHON3=ON -DALLOCATOR=tcmalloc_minimal
 	$(MAKE) -C ceph-15.2.17/build npm_config_cache=/build/.npm NODE_OPTIONS="--max-old-space-size=3072"
 	hostname localhost
 	cd ceph-15.2.17 && tar xf ../ceph-object-corpus.tar.xz
-	cd ceph-15.2.17/build && CTEST_OUTPUT_ON_FAILURE=1 NODE_OPTIONS="--max-old-space-size=3072" VIRTUALENV_SYSTEM_SITE_PACKAGES=True SETUPTOOLS_USE_DISTUTILS=stdlib make check
+	cd ceph-15.2.17/build && HOME=$(CURDIR)/ceph-home CTEST_OUTPUT_ON_FAILURE=1 NODE_OPTIONS="--max-old-space-size=3072" VIRTUALENV_SYSTEM_SITE_PACKAGES=True SETUPTOOLS_USE_DISTUTILS=stdlib make check
 
 	$(MAKE) -C ceph-15.2.17/build install
 	rm /usr/bin/ceph_test*
@@ -91,6 +92,7 @@ all: ceph-config ceph-sudoer
 	systemctl enable ceph-radosgw.target
 
 	rm -rf /lib64
+	rm -rf ceph-home
 	umount /tmp
 	rm -rf tmp
 	swapoff swap