Deuxfleurs/diplonat
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We are now able to watch

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This commit is contained in:
Quentin 2020-05-22 10:33:09 +02:00
parent 2a6b440270
commit d583c17782
2 changed files with 22 additions and 8 deletions
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24
src/consul.rs
View file

@ -1,6 +1,6 @@
use serde::{Serialize, Deserialize};
use std::collections::HashMap;
use anyhow::Result;
use anyhow::{Result, anyhow};
#[derive(Serialize, Deserialize, Debug)]
pub struct ServiceEntry {
@ -14,20 +14,32 @@ pub struct CatalogNode {
pub struct Consul {
client: reqwest::Client,
url: String
url: String,
idx: Option<u64>
}
impl Consul {
pub fn new(url: &str) -> Self {
return Self {
client: reqwest::Client::new(),
url: url.to_string()
url: url.to_string(),
idx: None
};
}
pub async fn catalog_node(&self, host: &str) -> Result<CatalogNode> {
let url = format!("{}/v1/catalog/node/{}", self.url, host);
let resp: CatalogNode = self.client.get(&url).send().await?.json().await?;
pub async fn watch_node(&mut self, host: &str) -> Result<CatalogNode> {
let url = match self.idx {
Some(i) => format!("{}/v1/catalog/node/{}?index={}", self.url, host, i),
None => format!("{}/v1/catalog/node/{}", self.url, host)
};
let http = self.client.get(&url).send().await?;
self.idx = match http.headers().get("X-Consul-Index") {
Some(v) => Some(v.to_str()?.parse::<u64>()?),
None => return Err(anyhow!("X-Consul-Index header not found"))
};
let resp: CatalogNode = http.json().await?;
return Ok(resp)
}
}

6
src/main.rs
View file

@ -14,9 +14,11 @@ async fn main() {
let diplo = Diplonat::new().await.expect("Setup failed");
diplo.listen().await.expect("A runtime error occured");
*/
let c = Consul::new("http://127.0.0.1:8500");
let cn = c.catalog_node("lheureduthe").await.expect("Failed to fetch API");
let mut c = Consul::new("http://127.0.0.1:8500");
let cn = c.watch_node("lheureduthe").await.expect("Failed to fetch API");
println!("{:#?}", cn);
let cn2 = c.watch_node("lheureduthe").await.expect("Failed to fetch API");
println!("{:#?}", cn2);
/*
let gateway = match search_gateway(Default::default()).await {