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This still uses the subcommand 'checkpointt' until it works in combination with Podman. Signed-off-by: Adrian Reber <areber@redhat.com>
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crates/integration_test/src/tests/lifecycle/checkpoint.rs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,168 @@ | ||
| use super::get_result_from_output; | ||
| use crate::utils::get_runtime_path; | ||
| use crate::utils::test_utils::State; | ||
| use crate::utils::{create_temp_dir, generate_uuid}; | ||
| use anyhow::anyhow; | ||
| use std::path::Path; | ||
| use std::process::{Command, Stdio}; | ||
| use test_framework::TestResult; | ||
|
|
||
| // Simple function to figure out the PID of the first container process | ||
| fn get_container_pid(project_path: &Path, id: &str) -> Result<i32, TestResult> { | ||
| let res_state = match Command::new(get_runtime_path()) | ||
| .stdout(Stdio::piped()) | ||
| .stderr(Stdio::piped()) | ||
| .arg("--root") | ||
| .arg(project_path.join("runtime")) | ||
| .arg("state") | ||
| .arg(id) | ||
| .spawn() | ||
| .expect("failed to execute state command") | ||
| .wait_with_output() | ||
| { | ||
| Ok(o) => o, | ||
| Err(e) => { | ||
| return Err(TestResult::Failed(anyhow!( | ||
| "error getting container state {}", | ||
| e | ||
| ))) | ||
| } | ||
| }; | ||
| let stdout = match String::from_utf8(res_state.stdout) { | ||
| Ok(s) => s, | ||
| Err(e) => { | ||
| return Err(TestResult::Failed(anyhow!( | ||
| "failed to parse container stdout {}", | ||
| e | ||
| ))) | ||
| } | ||
| }; | ||
| let state: State = match serde_json::from_str(&stdout) { | ||
| Ok(v) => v, | ||
| Err(e) => { | ||
| return Err(TestResult::Failed(anyhow!( | ||
| "error in parsing state of container: stdout : {}, parse error : {}", | ||
| stdout, | ||
| e | ||
| ))) | ||
| } | ||
| }; | ||
|
|
||
| Ok(match state.pid { | ||
| Some(p) => p, | ||
| _ => -1, | ||
| }) | ||
| } | ||
|
|
||
| // CRIU requires a minimal network setup in the network namespace | ||
| fn setup_network_namespace(project_path: &Path, id: &str) -> Result<(), TestResult> { | ||
| let pid = get_container_pid(project_path, id)?; | ||
|
|
||
| if let Err(e) = Command::new("nsenter") | ||
| .stdout(Stdio::piped()) | ||
| .stderr(Stdio::piped()) | ||
| .arg("-t") | ||
| .arg(format!("{}", pid)) | ||
| .arg("-a") | ||
| .args(vec!["/bin/ip", "link", "set", "up", "dev", "lo"]) | ||
| .spawn() | ||
| .expect("failed to exec ip") | ||
| .wait_with_output() | ||
| { | ||
| return Err(TestResult::Failed(anyhow!( | ||
| "error setting up network namespace {}", | ||
| e | ||
| ))); | ||
| } | ||
|
|
||
| Ok(()) | ||
| } | ||
|
|
||
| fn checkpoint( | ||
| project_path: &Path, | ||
| id: &str, | ||
| args: Vec<&str>, | ||
| work_path: Option<&str>, | ||
| ) -> TestResult { | ||
| if let Err(e) = setup_network_namespace(project_path, id) { | ||
| return e; | ||
| } | ||
|
|
||
| let temp_dir = match create_temp_dir(&generate_uuid()) { | ||
| Ok(td) => td, | ||
| Err(e) => { | ||
| return TestResult::Failed(anyhow::anyhow!( | ||
| "failed creating temporary directory {:?}", | ||
| e | ||
| )) | ||
| } | ||
| }; | ||
| let checkpoint_dir = temp_dir.as_ref().join("checkpoint"); | ||
| if let Err(e) = std::fs::create_dir(&checkpoint_dir) { | ||
| return TestResult::Failed(anyhow::anyhow!( | ||
| "failed creating checkpoint directory ({:?}): {}", | ||
| &checkpoint_dir, | ||
| e | ||
| )); | ||
| } | ||
|
|
||
| let additional_args = match work_path { | ||
| Some(wp) => vec!["--work-path", wp], | ||
| _ => Vec::new(), | ||
| }; | ||
|
|
||
| let runtime_path = get_runtime_path(); | ||
|
|
||
| let checkpoint = Command::new(runtime_path) | ||
| .stdout(Stdio::piped()) | ||
| .stderr(Stdio::piped()) | ||
| .arg("--root") | ||
| .arg(project_path.join("runtime")) | ||
| .arg(match runtime_path { | ||
| _ if runtime_path.ends_with("youki") => "checkpointt", | ||
| _ => "checkpoint", | ||
| }) | ||
| .arg("--image-path") | ||
| .arg(&checkpoint_dir) | ||
| .args(additional_args) | ||
| .args(args) | ||
| .arg(id) | ||
| .spawn() | ||
| .expect("failed to execute checkpoint command") | ||
| .wait_with_output(); | ||
|
|
||
| let result = get_result_from_output(checkpoint); | ||
| if let TestResult::Failed(_) = result { | ||
| return result; | ||
| } | ||
|
|
||
| // Check for complete checkpoint | ||
| if !Path::new(&checkpoint_dir.join("inventory.img")).exists() { | ||
| return TestResult::Failed(anyhow::anyhow!( | ||
| "resulting checkpoint does not seem to be complete. {:?}/inventory.img is missing", | ||
| &checkpoint_dir, | ||
| )); | ||
| } | ||
|
|
||
| let dump_log = match work_path { | ||
| Some(wp) => Path::new(wp).join("dump.log"), | ||
| _ => checkpoint_dir.join("dump.log"), | ||
| }; | ||
|
|
||
| if !dump_log.exists() { | ||
| return TestResult::Failed(anyhow::anyhow!( | ||
| "resulting checkpoint log file {:?} not found.", | ||
| &dump_log, | ||
| )); | ||
| } | ||
|
|
||
| TestResult::Passed | ||
| } | ||
|
|
||
| pub fn checkpoint_leave_running_work_path_tmp(project_path: &Path, id: &str) -> TestResult { | ||
| checkpoint(project_path, id, vec!["--leave-running"], Some("/tmp/")) | ||
| } | ||
|
|
||
| pub fn checkpoint_leave_running(project_path: &Path, id: &str) -> TestResult { | ||
| checkpoint(project_path, id, vec!["--leave-running"], None) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,4 @@ | ||
| mod checkpoint; | ||
| mod container_create; | ||
| mod container_lifecycle; | ||
| mod create; | ||
|
|
||