tests: Add basic integration testing

Add basic integration testing of the hypervisor using a cloud-init to
configure the VM at boot and SSH to control it at runtime.

Initial test just boots the VM up checks some basic resources and
reboots. With a second test that calls into the first to check that
subsequent tests work correctly.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2019-05-23 16:45:13 +01:00
parent f63d4a7418
commit ddce3df826
7 changed files with 423 additions and 1 deletions

220
Cargo.lock generated
View File

@ -21,6 +21,23 @@ dependencies = [
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"checksum textwrap 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c0b59b6b4b44d867f1370ef1bd91bfb262bf07bf0ae65c202ea2fbc16153b693"
"checksum unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "882386231c45df4700b275c7ff55b6f3698780a650026380e72dabe76fa46526"
"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
"checksum vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "def296d3eb3b12371b2c7d0e83bfe1403e4db2d7a0bba324a12b21c4ee13143d"
"checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
"checksum vm-memory 0.1.0 (git+https://github.com/rust-vmm/vm-memory)" = "<none>"
"checksum vmm-sys-util 0.1.0 (git+https://github.com/rust-vmm/vmm-sys-util)" = "<none>"

View File

@ -6,5 +6,14 @@ edition = "2018"
[dependencies]
clap = "=2.27.1"
vmm = { path = "vmm" }
[dev-dependencies]
ssh2 = "=0.3.3"
dirs = "2.0.0"
[features]
default = []
# Integration tests require a special environment to run in
integration_tests = []

18
Jenkinsfile vendored Normal file
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@ -0,0 +1,18 @@
stage ("Builds") {
node ('bionic') {
stage ('Checkout') {
checkout scm
}
stage ('Install system packages') {
sh "sudo apt-get -y install build-essential mtools libssl-dev pkg-config"
}
stage ('Install Rust') {
sh "nohup curl https://sh.rustup.rs -sSf | sh -s -- -y"
}
stage ('Run integration tests') {
sh "sudo chmod a+rw /dev/kvm"
sh "scripts/run_integration_tests.sh"
}
}
}

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@ -0,0 +1,35 @@
#!/bin/bash
set -x
source $HOME/.cargo/env
WORKLOADS_DIR="$HOME/workloads"
mkdir -p "$WORKLOADS_DIR"
FW_URL=$(curl --silent https://api.github.com/repos/intel/rust-hypervisor-firmware/releases/latest | grep "browser_download_url" | grep -o 'https://.*[^ "]')
FW="$WORKLOADS_DIR/hypervisor-fw"
if [ ! -f "$FW" ]; then
pushd $WORKLOADS_DIR
wget --quiet $FW_URL
popd
fi
OS_IMAGE_NAME="clear-29620-cloud.img"
OS_IMAGE_URL="https://download.clearlinux.org/releases/29620/clear/clear-29620-cloud.img.xz"
OS_IMAGE="$WORKLOADS_DIR/$OS_IMAGE_NAME"
if [ ! -f "$OS_IMAGE" ]; then
pushd $WORKLOADS_DIR
wget --quiet $OS_IMAGE_URL
unxz $OS_IMAGE_NAME.xz
popd
fi
rm /tmp/cloudinit.img
mkdosfs -n config-2 -C /tmp/cloudinit.img 8192
mcopy -oi /tmp/cloudinit.img -s test_data/cloud-init/openstack ::
cargo test --features "integration_tests" --no-run
find target/debug/deps/ -name cloud_hypervisor* | xargs -n1 sudo setcap cap_net_admin+ep
# Tests must be executed serially for now as they have a hardcoded IP address
cargo test --features "integration_tests" -- --test-threads=1

View File

@ -116,3 +116,123 @@ fn main() {
process::exit(1);
}
}
#[cfg(test)]
#[cfg(feature = "integration_tests")]
mod tests {
extern crate vmm;
use ssh2::Session;
use std::fs;
use std::io::Read;
use std::net::TcpStream;
use std::thread;
use vmm::config;
fn ssh_command(command: &str) -> String {
let mut s = String::new();
#[derive(Debug)]
enum Error {
Connection,
Authentication,
Command,
};
let mut counter = 0;
loop {
match (|| -> Result<(), Error> {
let tcp = TcpStream::connect("192.168.2.2:22").map_err(|_| Error::Connection)?;
let mut sess = Session::new().unwrap();
sess.handshake(&tcp).map_err(|_| Error::Connection)?;
sess.userauth_password("admin", "cloud123")
.map_err(|_| Error::Authentication)?;
assert!(sess.authenticated());
let mut channel = sess.channel_session().map_err(|_| Error::Command)?;
channel.exec(command).map_err(|_| Error::Command)?;
// Intentionally ignore these results here as their failure
// does not precipitate a repeat
let _ = channel.read_to_string(&mut s);
let _ = channel.close();
let _ = channel.wait_close();
Ok(())
})() {
Ok(_) => break,
Err(e) => {
counter += 1;
if counter >= 6 {
panic!("Took too many attempts to run command. Last error: {:?}", e);
}
}
};
thread::sleep(std::time::Duration::new(10, 0));
}
s
}
fn prepare_files() -> (Vec<&'static str>, String) {
let mut workload_path = dirs::home_dir().unwrap();
workload_path.push("workloads");
let mut fw_path = workload_path.clone();
fw_path.push("hypervisor-fw");
let mut osdisk_base_path = workload_path.clone();
osdisk_base_path.push("clear-29620-cloud.img");
let osdisk_path = "/tmp/osdisk.img";
let cloudinit_path = "/tmp/cloudinit.img";
fs::copy(osdisk_base_path, osdisk_path).expect("copying of OS source disk image failed");
let disks = vec![osdisk_path, cloudinit_path];
(disks, String::from(fw_path.to_str().unwrap()))
}
#[test]
fn test_simple_launch() {
let handler = thread::spawn(|| {
let (disks, fw_path) = prepare_files();
let vm_config = config::VmConfig::parse(config::VmParams {
cpus: "1",
memory: "512",
kernel: fw_path.as_str(),
cmdline: None,
disks,
rng: "/dev/urandom",
net: Some("tap=,mac=,ip=192.168.2.1,mask=255.255.255.0"),
})
.expect("Failed parsing parameters");
vmm::boot_kernel(vm_config).expect("Booting kernel failed");
});
thread::sleep(std::time::Duration::new(10, 0));
assert_eq!(ssh_command("grep -c processor /proc/cpuinfo").trim(), "1");
assert_eq!(
ssh_command("grep MemTotal /proc/meminfo").trim(),
"MemTotal: 496400 kB"
);
assert!(
ssh_command("cat /proc/sys/kernel/random/entropy_avail")
.trim()
.parse::<u32>()
.unwrap()
>= 1000
);
ssh_command("sudo reboot");
handler.join().unwrap();
}
#[test]
fn test_simple_launch_again() {
test_simple_launch()
}
}

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@ -0,0 +1,3 @@
{
"hostname" : "cloud"
}

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@ -0,0 +1,17 @@
#cloud-config
users:
- name: admin
passwd: $6$7125787751a8d18a$sHwGySomUA1PawiNFWVCKYQN.Ec.Wzz0JtPPL1MvzFrkwmop2dq7.4CYf03A5oemPQ4pOFCCrtCelvFBEle/K.
sudo:
- ALL=(ALL) NOPASSWD:ALL
write_files:
-
path: /etc/systemd/network/00-static.network
permissions: 0644
content: |
[Match]
Name=en*
[Network]
Address=192.168.2.2/24
Gateway=192.168.2.1