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tests: Support customising the cloud-init network details

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Allow replacement of the network details used for the VM. By replacing
those from the file checked into the source tree we can continue to use
the file in the tree for manual testing but adjust the network per-VM to
allow parallel testing.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2019-07-18 11:32:32 +01:00 committed by Samuel Ortiz
parent e9f01740e8
commit eab639efe3
1 changed files with 24 additions and 7 deletions
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31
src/main.rs
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@ -207,7 +207,12 @@ mod tests {
s
}
fn prepare_cloudinit(tmp_dir: &TempDir) -> String {
fn prepare_cloudinit(
tmp_dir: &TempDir,
guest_ip_addr: &str,
host_ip_addr: &str,
mac_addr: &str,
) -> String {
let cloudinit_file_path = String::from(tmp_dir.path().join("cloudinit").to_str().unwrap());
let cloud_init_directory = tmp_dir.path().join("cloud-init").join("openstack");
@ -227,11 +232,22 @@ mod tests {
cloud_init_directory.join("latest").join("meta_data.json"),
)
.expect("Expect copying cloud-init meta_data.json to succeed");
fs::copy(
source_file_dir.join("user_data"),
cloud_init_directory.join("latest").join("user_data"),
)
.expect("Expect copying cloud-init user_data to succeed");
let mut user_data_string = String::new();
fs::File::open(source_file_dir.join("user_data"))
.unwrap()
.read_to_string(&mut user_data_string)
.expect("Expected reading user_data file in to succeed");
user_data_string = user_data_string.replace("192.168.2.1", host_ip_addr);
user_data_string = user_data_string.replace("192.168.2.2", guest_ip_addr);
user_data_string = user_data_string.replace("12:34:56:78:90:ab", mac_addr);
fs::File::create(cloud_init_directory.join("latest").join("user_data"))
.unwrap()
.write_all(&user_data_string.as_bytes())
.expect("Expected writing out user_data to succeed");
std::process::Command::new("mkdosfs")
.args(&["-n", "config-2"])
@ -265,7 +281,8 @@ mod tests {
let osdisk_path = String::from(tmp_dir.path().join("osdisk.img").to_str().unwrap());
let osdisk_raw_path = String::from(tmp_dir.path().join("osdisk_raw.img").to_str().unwrap());
let cloudinit_path = prepare_cloudinit(&tmp_dir);
let cloudinit_path =
prepare_cloudinit(&tmp_dir, "192.168.2.2", "192.168.2.1", "12:34:56:78:90:ab");
fs::copy(osdisk_base_path, &osdisk_path).expect("copying of OS source disk image failed");
fs::copy(osdisk_raw_base_path, &osdisk_raw_path)