chore(monitoring): add 'is_alive' client

[Itay-Tsabary-Starkware]

Stack:

• chore(monitoring): use constants #1864
• chore(monitoring): format imports #1863
• chore(monitoring): add 'is_alive' client #1862 ⬅
• chore(monitoring): split to test utils #1861
• fix(monitoring): typos #1860

⚠️ Part of a stack created by spr. Do not merge manually using the UI - doing so may have unexpected results.

[reviewable-StarkWare]

This change is 

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 54.54%. Comparing base (3fed084) to head (873c4f0).

Additional details and impacted files

@@                Coverage Diff                 @@
##           spr/main/837f4a70    #1862   +/-   ##
==================================================
  Coverage              54.54%   54.54%           
==================================================
  Files                      2        2           
  Lines                     55       55           
  Branches                  55       55           
==================================================
  Hits                      30       30           
  Misses                    25       25           

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[nadin-Starkware]

Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status: all files reviewed, 3 unresolved discussions (waiting on @Itay-Tsabary-Starkware)

---

crates/monitoring_endpoint/src/test_utils.rs line 21 at r1 (raw file):

impl IsAliveClient {
    pub fn new(socket: SocketAddr) -> Self {
        let client = hyper::Client::new();

Please add it to the imports and use Client::new

Code quote:

 hyper::Client

---

crates/monitoring_endpoint/src/test_utils.rs line 30 at r1 (raw file):

        self.client
            .request(build_request(&self.socket.ip(), self.socket.port(), "alive"))

Use the const

Code quote:

"alive"

---

crates/monitoring_endpoint/src/test_utils.rs line 40 at r1 (raw file):

        while !(self.query_alive().await) {
            info!("Waiting for node to be alive: {}.", counter);
            tokio::time::sleep(Duration::from_secs(1)).await;

Same

Code quote:

tokio::time::sleep

[nadin-Starkware]

Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @Itay-Tsabary-Starkware)

[Itay-Tsabary-Starkware]

✓ Commit merged in pull request #1864