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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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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 | ||
))) | ||
} | ||
}; | ||
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Ok(match state.pid { | ||
Some(p) => p, | ||
_ => -1, | ||
}) | ||
} | ||
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// 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)?; | ||
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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 | ||
))); | ||
} | ||
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Ok(()) | ||
} | ||
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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; | ||
} | ||
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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 | ||
)); | ||
} | ||
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let additional_args = match work_path { | ||
Some(wp) => vec!["--work-path", wp], | ||
_ => Vec::new(), | ||
}; | ||
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let runtime_path = get_runtime_path(); | ||
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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(); | ||
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let result = get_result_from_output(checkpoint); | ||
if let TestResult::Failed(_) = result { | ||
return result; | ||
} | ||
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// 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, | ||
)); | ||
} | ||
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let dump_log = match work_path { | ||
Some(wp) => Path::new(wp).join("dump.log"), | ||
_ => checkpoint_dir.join("dump.log"), | ||
}; | ||
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if !dump_log.exists() { | ||
return TestResult::Failed(anyhow::anyhow!( | ||
"Resulting checkpoint log file {:?} not found.", | ||
&dump_log, | ||
)); | ||
} | ||
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TestResult::Passed | ||
} | ||
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pub fn checkpoint_leave_running_work_path_tmp(project_path: &Path, id: &str) -> TestResult { | ||
checkpoint(project_path, id, vec!["--leave-running"], Some("/tmp/")) | ||
} | ||
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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 |
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@@ -1,3 +1,4 @@ | ||
mod checkpoint; | ||
mod container_create; | ||
mod container_lifecycle; | ||
mod create; | ||
|