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https://github.com/cloud-hypervisor/cloud-hypervisor.git
synced 2024-10-05 13:05:45 +00:00
tests: add support for initramfs
the integration test creates an initramfs image based on AlpineLinux mini root filesystem with a simple /init script that just echoes a string to the console. The string is passed via the kernel cmdline as an environment variable. Signed-off-by: Damjan Georgievski <gdamjan@gmail.com>
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@ -68,6 +68,32 @@ if [ ! -f "$EOAN_OS_RAW_IMAGE" ]; then
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popd
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popd
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fi
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fi
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ALPINE_MINIROOTFS_URL="http://dl-cdn.alpinelinux.org/alpine/v3.11/releases/x86_64/alpine-minirootfs-3.11.3-x86_64.tar.gz"
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ALPINE_MINIROOTFS_TARBALL="$WORKLOADS_DIR/alpine-minirootfs-x86_64.tar.gz"
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if [ ! -f "$ALPINE_MINIROOTFS_TARBALL" ]; then
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pushd $WORKLOADS_DIR
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time wget --quiet $ALPINE_MINIROOTFS_URL -O $ALPINE_MINIROOTFS_TARBALL || exit 1
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popd
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fi
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ALPINE_INITRAMFS_IMAGE="$WORKLOADS_DIR/alpine_initramfs.img"
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if [ ! -f "$ALPINE_INITRAMFS_IMAGE" ]; then
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pushd $WORKLOADS_DIR
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mkdir alpine-minirootfs
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tar xf "$ALPINE_MINIROOTFS_TARBALL" -C alpine-minirootfs
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cat > alpine-minirootfs/init <<-EOF
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#! /bin/sh
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mount -t devtmpfs dev /dev
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echo \$TEST_STRING > /dev/console
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poweroff -f
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EOF
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chmod +x alpine-minirootfs/init
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cd alpine-minirootfs
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find . -print0 |
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cpio --null --create --verbose --owner root:root --format=newc > "$ALPINE_INITRAMFS_IMAGE"
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popd
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fi
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pushd $WORKLOADS_DIR
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pushd $WORKLOADS_DIR
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sha1sum sha1sums --check
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sha1sum sha1sums --check
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if [ $? -ne 0 ]; then
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if [ $? -ne 0 ]; then
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@ -4,3 +4,4 @@ cf7cfa783082fc4d6b4d1c0a53e4402648c14b82 clear-31311-cloudguest.img
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8db9cc58b01452ce2d06c313177e6e74d8582d93 bionic-server-cloudimg-amd64-raw.img
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8db9cc58b01452ce2d06c313177e6e74d8582d93 bionic-server-cloudimg-amd64-raw.img
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4a452cdcf781f95d31a1668ecb92a937c176709a eoan-server-cloudimg-amd64.img
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4a452cdcf781f95d31a1668ecb92a937c176709a eoan-server-cloudimg-amd64.img
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91fdfb21df8920fd55915edf7669282cda2505f6 eoan-server-cloudimg-amd64-raw.img
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91fdfb21df8920fd55915edf7669282cda2505f6 eoan-server-cloudimg-amd64-raw.img
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d4a44acc6014d5f83dea1c625c43d677a95fa75f alpine-minirootfs-x86_64.tar.gz
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@ -3842,4 +3842,45 @@ mod tests {
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Ok(())
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Ok(())
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});
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});
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}
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}
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#[test]
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fn test_initramfs() {
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test_block!(tb, "", {
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let mut clear = ClearDiskConfig::new();
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let guest = Guest::new(&mut clear);
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let mut workload_path = dirs::home_dir().unwrap();
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workload_path.push("workloads");
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let mut kernel_path = workload_path.clone();
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kernel_path.push("vmlinux");
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let mut initramfs_path = workload_path;
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initramfs_path.push("alpine_initramfs.img");
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let test_string = String::from("axz34i9rylotd8n50wbv6kcj7f2qushme1pg");
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let cmdline = format!("console=hvc0 quiet TEST_STRING={}", test_string);
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let mut child = GuestCommand::new(&guest)
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.args(&["--kernel", kernel_path.to_str().unwrap()])
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.args(&["--initramfs", initramfs_path.to_str().unwrap()])
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.args(&["--cmdline", &cmdline])
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.capture_output()
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.spawn()
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.unwrap();
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thread::sleep(std::time::Duration::new(20, 0));
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let _ = child.kill();
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match child.wait_with_output() {
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Ok(out) => {
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let s = String::from_utf8_lossy(&out.stdout);
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println!("{}", s);
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aver_ne!(tb, s.lines().position(|line| line == test_string), None);
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}
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Err(_) => aver!(tb, false),
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}
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Ok(())
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});
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}
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}
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}
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