ec2_multi_region_snitch: reindent load_config

Signed-off-by: Benny Halevy <bhalevy@scylladb.com>
This commit is contained in:
Benny Halevy
2023-11-30 18:15:29 +02:00
parent fecb597ad6
commit 90af71ffa7

View File

@@ -26,66 +26,65 @@ future<> ec2_multi_region_snitch::start() {
_state = snitch_state::initializing;
co_await ec2_snitch::load_config(true);
// FIXME: indentation
if (this_shard_id() == io_cpu_id()) {
inet_address local_public_address;
if (this_shard_id() == io_cpu_id()) {
inet_address local_public_address;
auto token = co_await aws_api_call(AWS_QUERY_SERVER_ADDR, AWS_QUERY_SERVER_PORT, TOKEN_REQ_ENDPOINT, std::nullopt);
auto token = co_await aws_api_call(AWS_QUERY_SERVER_ADDR, AWS_QUERY_SERVER_PORT, TOKEN_REQ_ENDPOINT, std::nullopt);
try {
auto broadcast = utils::fb_utilities::get_broadcast_address();
if (broadcast.addr().is_ipv6()) {
auto macs = co_await aws_api_call(AWS_QUERY_SERVER_ADDR, AWS_QUERY_SERVER_PORT, PRIVATE_MAC_QUERY, token);
// we should just get a single line, ending in '/'. If there are more than one mac, we should
// maybe try to loop the addresses and exclude local/link-local etc, but these addresses typically
// are already filtered by aws, so probably does not help. For now, just warn and pick first address.
auto i = macs.find('/');
auto mac = macs.substr(0, i);
if (i != std::string::npos && ++i != macs.size()) {
logger().warn("Ec2MultiRegionSnitch (ipv6): more than one MAC address listed ({}). Will use first.", macs);
}
auto ipv6 = co_await aws_api_call(AWS_QUERY_SERVER_ADDR, AWS_QUERY_SERVER_PORT, format(PUBLIC_IPV6_QUERY_REQ, mac), token);
local_public_address = inet_address(ipv6);
_local_private_address = ipv6;
} else {
auto pub_addr = co_await aws_api_call(AWS_QUERY_SERVER_ADDR, AWS_QUERY_SERVER_PORT, PUBLIC_IP_QUERY_REQ, token);
local_public_address = inet_address(pub_addr);
try {
auto broadcast = utils::fb_utilities::get_broadcast_address();
if (broadcast.addr().is_ipv6()) {
auto macs = co_await aws_api_call(AWS_QUERY_SERVER_ADDR, AWS_QUERY_SERVER_PORT, PRIVATE_MAC_QUERY, token);
// we should just get a single line, ending in '/'. If there are more than one mac, we should
// maybe try to loop the addresses and exclude local/link-local etc, but these addresses typically
// are already filtered by aws, so probably does not help. For now, just warn and pick first address.
auto i = macs.find('/');
auto mac = macs.substr(0, i);
if (i != std::string::npos && ++i != macs.size()) {
logger().warn("Ec2MultiRegionSnitch (ipv6): more than one MAC address listed ({}). Will use first.", macs);
}
} catch (...) {
std::throw_with_nested(exceptions::configuration_exception("Failed to get a Public IP. Public IP is a requirement for Ec2MultiRegionSnitch. Consider using a different snitch if your instance doesn't have it"));
auto ipv6 = co_await aws_api_call(AWS_QUERY_SERVER_ADDR, AWS_QUERY_SERVER_PORT, format(PUBLIC_IPV6_QUERY_REQ, mac), token);
local_public_address = inet_address(ipv6);
_local_private_address = ipv6;
} else {
auto pub_addr = co_await aws_api_call(AWS_QUERY_SERVER_ADDR, AWS_QUERY_SERVER_PORT, PUBLIC_IP_QUERY_REQ, token);
local_public_address = inet_address(pub_addr);
}
logger().info("Ec2MultiRegionSnitch using publicIP as identifier: {}", local_public_address);
} catch (...) {
std::throw_with_nested(exceptions::configuration_exception("Failed to get a Public IP. Public IP is a requirement for Ec2MultiRegionSnitch. Consider using a different snitch if your instance doesn't have it"));
}
logger().info("Ec2MultiRegionSnitch using publicIP as identifier: {}", local_public_address);
//
// Use the Public IP to broadcast Address to other nodes.
//
// Cassandra 2.1 manual explicitly instructs to set broadcast_address
// value to a public address in cassandra.yaml.
//
utils::fb_utilities::set_broadcast_address(local_public_address);
if (!_broadcast_rpc_address_specified_by_user) {
utils::fb_utilities::set_broadcast_rpc_address(local_public_address);
}
if (!local_public_address.addr().is_ipv6()) {
sstring priv_addr = co_await aws_api_call(AWS_QUERY_SERVER_ADDR, AWS_QUERY_SERVER_PORT, PRIVATE_IP_QUERY_REQ, token);
_local_private_address = priv_addr;
}
//
// Gossiper main instance is currently running on CPU0 -
// therefore we need to make sure the _local_private_address is
// set on the shard0 so that it may be used when Gossiper is
// going to invoke gossiper_starting() method.
//
co_await container().invoke_on(0, [this] (snitch_ptr& local_s) {
if (this_shard_id() != io_cpu_id()) {
local_s->set_local_private_addr(_local_private_address);
}
});
//
// Use the Public IP to broadcast Address to other nodes.
//
// Cassandra 2.1 manual explicitly instructs to set broadcast_address
// value to a public address in cassandra.yaml.
//
utils::fb_utilities::set_broadcast_address(local_public_address);
if (!_broadcast_rpc_address_specified_by_user) {
utils::fb_utilities::set_broadcast_rpc_address(local_public_address);
}
set_snitch_ready();
if (!local_public_address.addr().is_ipv6()) {
sstring priv_addr = co_await aws_api_call(AWS_QUERY_SERVER_ADDR, AWS_QUERY_SERVER_PORT, PRIVATE_IP_QUERY_REQ, token);
_local_private_address = priv_addr;
}
//
// Gossiper main instance is currently running on CPU0 -
// therefore we need to make sure the _local_private_address is
// set on the shard0 so that it may be used when Gossiper is
// going to invoke gossiper_starting() method.
//
co_await container().invoke_on(0, [this] (snitch_ptr& local_s) {
if (this_shard_id() != io_cpu_id()) {
local_s->set_local_private_addr(_local_private_address);
}
});
}
set_snitch_ready();
}
void ec2_multi_region_snitch::set_local_private_addr(const sstring& addr_str) {