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Adds bootstrapping of certificates and kubeconfig to agent #77

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soenkeliebau merged 2 commits into from
Feb 25, 2021
Merged

Adds bootstrapping of certificates and kubeconfig to agent #77

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6218d83
Adds bootstrapping of certificates and kubeconfig to agent.
soenkeliebau Feb 25, 2021
8971a76
typo
soenkeliebau Feb 25, 2021
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18 changes: 13 additions & 5 deletions src/bin/agent.rs
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Original file line number Diff line number Diff line change
@@ -1,8 +1,6 @@
use std::env;
use std::ffi::OsString;

use kube::config::Config as KubeConfig;
use kube::config::KubeConfigOptions;
use kubelet::config::{Config, ServerConfig};
use kubelet::Kubelet;
use log::{info, warn};
Expand Down Expand Up @@ -78,9 +76,15 @@ async fn main() -> anyhow::Result<()> {
insecure_registries: None,
};

let kubeconfig = KubeConfig::from_kubeconfig(&KubeConfigOptions::default())
.await
.expect("Failed to create Kubernetes Client!");
// Bootstrap a kubernetes config, if no valid config is found
// This also generates certificates for the webserver the krustlet
// runs
let kubeconfig = kubelet::bootstrap(
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@lfrancke lfrancke Feb 25, 2021

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I looked at the krustlet docs (not code) for this and I can't see the "if no valid config is found" part. Are you sure this is the case?

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@soenkeliebau soenkeliebau Feb 25, 2021

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My comment is based on this documentation and my take on what I saw in the code.

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@lfrancke lfrancke Feb 25, 2021

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Alright, I see. I only looked at the docs

&krustlet_config,
&krustlet_config.bootstrap_file,
notify_bootstrap,
)
.await?;

let provider = StackableProvider::new(
kube::Client::new(kubeconfig.clone()),
Expand All @@ -101,3 +105,7 @@ fn export_env(var_name: &str, var_value: &str) {
info!("Exporting {}={}", var_name, var_value);
std::env::set_var(var_name, var_value);
}

fn notify_bootstrap(message: String) {
info!("Successfully bootstrapped TLS certificate: {}", message);
}