0be354a920
Single-commit clean baseline after security scrub of niche-tells, project codenames, internal jargon, and contributor-email leaks. Contents: - 100 Rust crates (_primitives/_rust/) - 37 agent manifests (_manifests/) + generated specs (_generated/) - 67 user-invocable skills (skills/) - 33 hooks (hooks/) - Composition blocks (_blocks/) - Documentation (docs/, README.md) - TS adapter packages (_ts_packages/) - Assembler (_assembler/) - Roles (_roles/) - Templates (_templates/) - Forgejo CI (.forgejo/) Author: Denis Parfionovich <info@greendragon.info> License: see LICENSE.
83 lines
2.7 KiB
Rust
83 lines
2.7 KiB
Rust
// SPDX-License-Identifier: Apache-2.0
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// Copyright 2026 <author org>
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//
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//! Cloud-init renderer for Linode. Linode's `metadata.user_data` field
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//! requires the user-data blob to be **base64-encoded**, so we expose
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//! both the raw render (`render`) and the API-ready encoded form
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//! (`render_base64`).
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use base64::engine::general_purpose::STANDARD;
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use base64::Engine as _;
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/// Minimal cloud-init template: hostname, ssh authorized_keys, runcmd.
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#[derive(Debug, Clone)]
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pub struct CloudInitTemplate {
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pub hostname: String,
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pub ssh_pubkey: String,
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pub run_cmds: Vec<String>,
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}
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impl CloudInitTemplate {
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pub fn new(hostname: impl Into<String>, ssh_pubkey: impl Into<String>) -> Self {
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Self {
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hostname: hostname.into(),
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ssh_pubkey: ssh_pubkey.into(),
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run_cmds: Vec::new(),
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}
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}
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pub fn run(mut self, cmd: impl Into<String>) -> Self {
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self.run_cmds.push(cmd.into());
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self
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}
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}
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/// Render the cloud-init YAML body. Deterministic — no I/O, no time.
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pub fn render(t: &CloudInitTemplate) -> String {
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let mut out = String::from("#cloud-config\n");
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out.push_str(&format!("hostname: {}\n", t.hostname));
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out.push_str("ssh_authorized_keys:\n");
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out.push_str(&format!(" - {}\n", t.ssh_pubkey));
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if !t.run_cmds.is_empty() {
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out.push_str("runcmd:\n");
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for c in &t.run_cmds {
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// Quote with single quotes; cloud-init YAML accepts plain
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// strings but quoting is robust against `:` in commands.
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let escaped = c.replace('\'', "''");
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out.push_str(&format!(" - '{escaped}'\n"));
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}
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}
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out
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}
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/// Render and base64-encode for `metadata.user_data`.
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pub fn render_base64(t: &CloudInitTemplate) -> String {
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STANDARD.encode(render(t).as_bytes())
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn render_includes_required_sections() {
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let t = CloudInitTemplate::new("kei-vm-1", "ssh-ed25519 AAAA test")
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.run("apt-get update")
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.run("curl https://tailscale.com/install.sh | sh");
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let s = render(&t);
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assert!(s.starts_with("#cloud-config\n"));
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assert!(s.contains("hostname: kei-vm-1"));
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assert!(s.contains("ssh-ed25519 AAAA test"));
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assert!(s.contains("apt-get update"));
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assert!(s.contains("tailscale.com/install.sh"));
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}
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#[test]
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fn base64_is_decodable_to_render() {
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let t = CloudInitTemplate::new("h", "ssh-ed25519 K");
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let b64 = render_base64(&t);
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let decoded = STANDARD.decode(b64.as_bytes()).expect("valid base64");
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let text = String::from_utf8(decoded).expect("utf8");
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assert_eq!(text, render(&t));
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}
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}
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