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agent: Add env var tests

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Add some tests for the existing `KATA_AGENT_SERVER_ADDR` environment
variable feature.

Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>
This commit is contained in:
James O. D. Hunt 2020-10-16 14:51:25 +01:00
parent 705e995589
commit b9c6db4bb8
1 changed files with 164 additions and 1 deletions
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165
src/agent/src/config.rs
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@ -319,297 +319,440 @@ mod tests {
#[test]
fn test_parse_cmdline() {
const TEST_SERVER_ADDR: &str = "vsock://-1:1024";
#[derive(Debug)]
struct TestData<'a> {
contents: &'a str,
env_vars: Vec<&'a str>,
debug_console: bool,
dev_mode: bool,
log_level: slog::Level,
hotplug_timeout: time::Duration,
container_pipe_size: i32,
server_addr: &'a str,
unified_cgroup_hierarchy: bool,
}
let tests = &[
TestData {
contents: "agent.debug_consolex agent.devmode",
env_vars: Vec::new(),
debug_console: false,
dev_mode: true,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "agent.debug_console agent.devmodex",
env_vars: Vec::new(),
debug_console: true,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "agent.logx=debug",
env_vars: Vec::new(),
debug_console: false,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "agent.log=debug",
env_vars: Vec::new(),
debug_console: false,
dev_mode: false,
log_level: slog::Level::Debug,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "",
env_vars: Vec::new(),
debug_console: false,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "foo",
env_vars: Vec::new(),
debug_console: false,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "foo bar",
env_vars: Vec::new(),
debug_console: false,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "foo bar",
env_vars: Vec::new(),
debug_console: false,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "foo agent bar",
env_vars: Vec::new(),
debug_console: false,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "foo debug_console agent bar devmode",
env_vars: Vec::new(),
debug_console: false,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "agent.debug_console",
env_vars: Vec::new(),
debug_console: true,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: " agent.debug_console ",
env_vars: Vec::new(),
debug_console: true,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "agent.debug_console foo",
env_vars: Vec::new(),
debug_console: true,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: " agent.debug_console foo",
env_vars: Vec::new(),
debug_console: true,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "foo agent.debug_console bar",
env_vars: Vec::new(),
debug_console: true,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "foo agent.debug_console",
env_vars: Vec::new(),
debug_console: true,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "foo agent.debug_console ",
env_vars: Vec::new(),
debug_console: true,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "agent.devmode",
env_vars: Vec::new(),
debug_console: false,
dev_mode: true,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: " agent.devmode ",
env_vars: Vec::new(),
debug_console: false,
dev_mode: true,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "agent.devmode foo",
env_vars: Vec::new(),
debug_console: false,
dev_mode: true,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: " agent.devmode foo",
env_vars: Vec::new(),
debug_console: false,
dev_mode: true,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "foo agent.devmode bar",
env_vars: Vec::new(),
debug_console: false,
dev_mode: true,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "foo agent.devmode",
env_vars: Vec::new(),
debug_console: false,
dev_mode: true,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "foo agent.devmode ",
env_vars: Vec::new(),
debug_console: false,
dev_mode: true,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "agent.devmode agent.debug_console",
env_vars: Vec::new(),
debug_console: true,
dev_mode: true,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "agent.devmode agent.debug_console agent.hotplug_timeout=100 agent.unified_cgroup_hierarchy=a",
env_vars: Vec::new(),
debug_console: true,
dev_mode: true,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: time::Duration::from_secs(100),
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "agent.devmode agent.debug_console agent.hotplug_timeout=0 agent.unified_cgroup_hierarchy=11",
env_vars: Vec::new(),
debug_console: true,
dev_mode: true,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: true,
},
TestData {
contents: "agent.devmode agent.debug_console agent.container_pipe_size=2097152 agent.unified_cgroup_hierarchy=false",
env_vars: Vec::new(),
debug_console: true,
dev_mode: true,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: 2097152,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "agent.devmode agent.debug_console agent.container_pipe_size=100 agent.unified_cgroup_hierarchy=true",
env_vars: Vec::new(),
debug_console: true,
dev_mode: true,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: 100,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: true,
},
TestData {
contents: "agent.devmode agent.debug_console agent.container_pipe_size=0 agent.unified_cgroup_hierarchy=0",
env_vars: Vec::new(),
debug_console: true,
dev_mode: true,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "agent.devmode agent.debug_console agent.container_pip_siz=100 agent.unified_cgroup_hierarchy=1",
env_vars: Vec::new(),
debug_console: true,
dev_mode: true,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: true,
},
TestData {
contents: "",
env_vars: Vec::new(),
debug_console: false,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: TEST_SERVER_ADDR,
unified_cgroup_hierarchy: false,
},
TestData {
contents: "",
env_vars: vec!["KATA_AGENT_SERVER_ADDR=foo"],
debug_console: false,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: "foo",
unified_cgroup_hierarchy: false,
},
TestData {
contents: "",
env_vars: vec!["KATA_AGENT_SERVER_ADDR=="],
debug_console: false,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: "=",
unified_cgroup_hierarchy: false,
},
TestData {
contents: "",
env_vars: vec!["KATA_AGENT_SERVER_ADDR==foo"],
debug_console: false,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: "=foo",
unified_cgroup_hierarchy: false,
},
TestData {
contents: "",
env_vars: vec!["KATA_AGENT_SERVER_ADDR=foo=bar=baz="],
debug_console: false,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: "foo=bar=baz=",
unified_cgroup_hierarchy: false,
},
TestData {
contents: "",
env_vars: vec!["KATA_AGENT_SERVER_ADDR=unix:///tmp/foo.socket"],
debug_console: false,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: "unix:///tmp/foo.socket",
unified_cgroup_hierarchy: false,
},
TestData {
contents: "",
env_vars: vec!["KATA_AGENT_SERVER_ADDR=unix://@/tmp/foo.socket"],
debug_console: false,
dev_mode: false,
log_level: DEFAULT_LOG_LEVEL,
hotplug_timeout: DEFAULT_HOTPLUG_TIMEOUT,
container_pipe_size: DEFAULT_CONTAINER_PIPE_SIZE,
server_addr: "unix://@/tmp/foo.socket",
unified_cgroup_hierarchy: false,
},
];
let dir = tempdir().expect("failed to create tmpdir");
@ -623,7 +766,8 @@ mod tests {
let result = config.parse_cmdline(&filename.to_owned());
assert!(result.is_err());
// Now, test various combinations of file contents
// Now, test various combinations of file contents and environment
// variables.
for (i, d) in tests.iter().enumerate() {
let msg = format!("test[{}]: {:?}", i, d);
@ -637,6 +781,19 @@ mod tests {
file.write_all(d.contents.as_bytes())
.unwrap_or_else(|_| panic!("{}: failed to write file contents", msg));
let mut vars_to_unset = Vec::new();
for v in &d.env_vars {
let fields: Vec<&str> = v.split('=').collect();
let name = fields[0];
let value = fields[1..].join("=");
env::set_var(name, value);
vars_to_unset.push(name);
}
let mut config = agentConfig::new();
assert_eq!(config.debug_console, false, "{}", msg);
assert_eq!(config.dev_mode, false, "{}", msg);
@ -648,6 +805,7 @@ mod tests {
msg
);
assert_eq!(config.container_pipe_size, 0, "{}", msg);
assert_eq!(config.server_addr, TEST_SERVER_ADDR, "{}", msg);
let result = config.parse_cmdline(filename);
assert!(result.is_ok(), "{}", msg);
@ -662,6 +820,11 @@ mod tests {
assert_eq!(d.log_level, config.log_level, "{}", msg);
assert_eq!(d.hotplug_timeout, config.hotplug_timeout, "{}", msg);
assert_eq!(d.container_pipe_size, config.container_pipe_size, "{}", msg);
assert_eq!(d.server_addr, config.server_addr, "{}", msg);
for v in vars_to_unset {
env::remove_var(v);
}
}
}