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feat: oci packer can now use mksquashfs if available

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This commit is contained in:
Alex Zenla
2024-04-14 04:53:55 +00:00
parent f8247f13e4
commit b02fc54402
15 changed files with 475 additions and 188 deletions
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43
crates/guest/src/init.rs
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@ -98,11 +98,19 @@ impl GuestInit {
if result != 0 {
warn!("failed to set hostname: {}", result);
}
let etc = PathBuf::from_str("/etc")?;
if !etc.exists() {
fs::create_dir(&etc).await?;
}
let mut etc_hostname = etc;
etc_hostname.push("hostname");
fs::write(&etc_hostname, hostname + "\n").await?;
}
if let Some(network) = &launch.network {
trace!("initializing network");
if let Err(error) = self.network_setup(network).await {
if let Err(error) = self.network_setup(&launch, network).await {
warn!("failed to initialize network: {}", error);
}
}
@ -287,7 +295,7 @@ impl GuestInit {
Ok(())
}
async fn network_setup(&mut self, network: &LaunchNetwork) -> Result<()> {
async fn network_setup(&mut self, cfg: &LaunchInfo, network: &LaunchNetwork) -> Result<()> {
trace!("setting up network for link");
let etc = PathBuf::from_str("/etc")?;
@ -295,14 +303,33 @@ impl GuestInit {
fs::create_dir(etc).await?;
}
let resolv = PathBuf::from_str("/etc/resolv.conf")?;
let mut lines = vec!["# krata resolver configuration".to_string()];
for nameserver in &network.resolver.nameservers {
lines.push(format!("nameserver {}", nameserver));
{
let mut lines = vec!["# krata resolver configuration".to_string()];
for nameserver in &network.resolver.nameservers {
lines.push(format!("nameserver {}", nameserver));
}
let mut conf = lines.join("\n");
conf.push('\n');
fs::write(resolv, conf).await?;
}
let hosts = PathBuf::from_str("/etc/hosts")?;
if let Some(ref hostname) = cfg.hostname {
let mut lines = if hosts.exists() {
fs::read_to_string(&hosts)
.await?
.lines()
.map(|x| x.to_string())
.collect::<Vec<_>>()
} else {
vec!["127.0.0.1 localhost".to_string()]
};
lines.push(format!("127.0.1.1 {}", hostname));
fs::write(&hosts, lines.join("\n") + "\n").await?;
}
let mut conf = lines.join("\n");
conf.push('\n');
fs::write(resolv, conf).await?;
self.network_configure_ethtool(network).await?;
self.network_configure_link(network).await?;
Ok(())