67 lines
1.9 KiB
Rust
67 lines
1.9 KiB
Rust
//! Contains structures to interact with the locks/sessions API
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//!
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//! See <https://developer.hashicorp.com/consul/api-docs/session>
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//! for the full definition of the API.
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use anyhow::Result;
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use bytes::Bytes;
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use log::*;
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use serde::{Deserialize, Serialize};
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use crate::Consul;
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/// Session creation request as specified in
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/// <https://developer.hashicorp.com/consul/api-docs/session#create-session>
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#[derive(Serialize, Deserialize, Debug)]
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#[serde(rename_all = "PascalCase")]
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pub struct SessionRequest {
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pub name: String,
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pub node: Option<String>,
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pub lock_delay: Option<String>,
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#[serde(rename = "TTL")]
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pub ttl: Option<String>,
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pub behavior: Option<String>,
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}
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/// (for internal use, mostly)
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#[derive(Serialize, Deserialize, Debug)]
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pub struct SessionResponse {
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#[serde(rename = "ID")]
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pub id: String,
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}
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impl Consul {
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pub async fn create_session(&self, req: &SessionRequest) -> Result<String> {
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debug!("create_session {:?}", req);
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let url = format!("{}/v1/session/create", self.url);
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let http = self.client.put(&url).json(req).send().await?;
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let resp: SessionResponse = http.json().await?;
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Ok(resp.id)
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}
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pub async fn acquire(&self, key: &str, bytes: Bytes, session: &str) -> Result<bool> {
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debug!("acquire {}", key);
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let url = format!(
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"{}/v1/kv/{}{}?acquire={}",
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self.url, self.kv_prefix, key, session
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);
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let http = self.client.put(&url).body(bytes).send().await?;
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let resp: bool = http.json().await?;
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Ok(resp)
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}
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pub async fn release(&self, key: &str, bytes: Bytes, session: &str) -> Result<()> {
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debug!("release {}", key);
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let url = format!(
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"{}/v1/kv/{}{}?release={}",
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self.url, self.kv_prefix, key, session
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);
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let http = self.client.put(&url).body(bytes).send().await?;
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http.error_for_status()?;
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Ok(())
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}
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}
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