implemented ha endpoints and configuration

app/util.py

@@ -26,3 +26,25 @@ def generate_key() -> "RsaKey":
         from Cryptodome.PublicKey.RSA import RsaKey
 
     return RSA.generate(bits=2048)
+
+
+def ha_replicate(logger: "logging.Logger", ha_replicate: str, ha_role: str, version: str, dls_url: str, dls_port: int, site_key_xid: str, instance_ref: str, origins: list["Origin"], leases: list["Lease"]):
+    from datetime import datetime
+    import httpx
+
+    data = {
+        'VERSION': str(version),
+        'HA_REPLICATE': f'{dls_url}:{dls_port}',
+        'SITE_KEY_XID': str(site_key_xid),
+        'INSTANCE_REF': str(instance_ref),
+        'origins': [origin.serialize() for origin in origins],
+        'leases': [lease.serialize() for lease in leases],
+        'cur_time': datetime.utcnow(),
+    }
+
+    r = httpx.put(f'https://{ha_replicate}/-/ha/replicate', json=data)
+    if r.status_code == 202:
+        logger.info(f'Successfully replicated this node ({ha_role}) to "{ha_replicate}".')
+    else:
+        logger.error(f'Failed to replicate this node ({ha_role}) to "{ha_replicate}": {r.status_code} - {r.content}')
+