114 lines
2.8 KiB
Rust
114 lines
2.8 KiB
Rust
use std::collections::BTreeMap;
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use std::net::{IpAddr, SocketAddr};
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use kube::{
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api::{ListParams, Patch, PatchParams, PostParams},
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Api, Client, CustomResource, CustomResourceExt,
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};
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use k8s_openapi::apiextensions_apiserver::pkg::apis::apiextensions::v1::CustomResourceDefinition;
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use schemars::JsonSchema;
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use serde::{Deserialize, Serialize};
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use netapp::NodeID;
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static K8S_GROUP: &str = "deuxfleurs.fr";
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#[derive(CustomResource, Debug, Serialize, Deserialize, Clone, JsonSchema)]
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#[kube(
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group = "deuxfleurs.fr",
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version = "v1",
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kind = "GarageNode",
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namespaced
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)]
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pub struct Node {
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hostname: String,
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address: IpAddr,
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port: u16,
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}
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pub async fn create_kubernetes_crd() -> Result<(), kube::Error> {
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let client = Client::try_default().await?;
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let crds: Api<CustomResourceDefinition> = Api::all(client.clone());
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let params = PatchParams::apply(&format!("garage.{}", K8S_GROUP));
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let crd = GarageNode::crd();
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let patch = Patch::Apply(crd);
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crds.patch(&format!("garagenodes.{}", K8S_GROUP), ¶ms, &patch)
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.await?;
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Ok(())
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}
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pub async fn get_kubernetes_nodes(
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kubernetes_service_name: &str,
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kubernetes_namespace: &str,
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) -> Result<Vec<(NodeID, SocketAddr)>, kube::Error> {
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let client = Client::try_default().await?;
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let nodes: Api<GarageNode> = Api::namespaced(client.clone(), kubernetes_namespace);
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let lp = ListParams::default().labels(&format!(
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"garage.{}/service={}",
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K8S_GROUP, kubernetes_service_name
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));
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let nodes = nodes.list(&lp).await?;
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let mut ret = Vec::with_capacity(nodes.items.len());
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for node in nodes {
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info!("Found Pod: {:?}", node.metadata.name);
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let pubkey = &node
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.metadata
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.name
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.and_then(|k| hex::decode(&k).ok())
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.and_then(|k| NodeID::from_slice(&k[..]));
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if let Some(pubkey) = pubkey {
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ret.push((*pubkey, SocketAddr::new(node.spec.address, node.spec.port)))
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}
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}
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Ok(ret)
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}
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pub async fn publish_kubernetes_node(
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kubernetes_service_name: &str,
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kubernetes_namespace: &str,
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node_id: NodeID,
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hostname: &str,
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rpc_public_addr: SocketAddr,
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) -> Result<(), kube::Error> {
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let node_pubkey = hex::encode(node_id);
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let mut node = GarageNode::new(
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&node_pubkey,
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Node {
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hostname: hostname.to_string(),
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address: rpc_public_addr.ip(),
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port: rpc_public_addr.port(),
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},
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);
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let labels = node.metadata.labels.insert(BTreeMap::new());
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labels.insert(
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format!("garage.{}/service", K8S_GROUP),
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kubernetes_service_name.to_string(),
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);
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debug!("Node object to be applied: {:#?}", node);
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let client = Client::try_default().await?;
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let nodes: Api<GarageNode> = Api::namespaced(client.clone(), kubernetes_namespace);
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if let Ok(old_node) = nodes.get(&node_pubkey).await {
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node.metadata.resource_version = old_node.metadata.resource_version;
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nodes
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.replace(&node_pubkey, &PostParams::default(), &node)
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.await?;
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} else {
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nodes.create(&PostParams::default(), &node).await?;
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};
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Ok(())
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}
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