Files
coder/codersdk/replicas.go
Kyle Carberry 2ba4a62a0d feat: Add high availability for multiple replicas (#4555)
* feat: HA tailnet coordinator

* fixup! feat: HA tailnet coordinator

* fixup! feat: HA tailnet coordinator

* remove printlns

* close all connections on coordinator

* impelement high availability feature

* fixup! impelement high availability feature

* fixup! impelement high availability feature

* fixup! impelement high availability feature

* fixup! impelement high availability feature

* Add replicas

* Add DERP meshing to arbitrary addresses

* Move packages to highavailability folder

* Move coordinator to high availability package

* Add flags for HA

* Rename to replicasync

* Denest packages for replicas

* Add test for multiple replicas

* Fix coordination test

* Add HA to the helm chart

* Rename function pointer

* Add warnings for HA

* Add the ability to block endpoints

* Add flag to disable P2P connections

* Wow, I made the tests pass

* Add replicas endpoint

* Ensure close kills replica

* Update sql

* Add database latency to high availability

* Pipe TLS to DERP mesh

* Fix DERP mesh with TLS

* Add tests for TLS

* Fix replica sync TLS

* Fix RootCA for replica meshing

* Remove ID from replicasync

* Fix getting certificates for meshing

* Remove excessive locking

* Fix linting

* Store mesh key in the database

* Fix replica key for tests

* Fix types gen

* Fix unlocking unlocked

* Fix race in tests

* Update enterprise/derpmesh/derpmesh.go

Co-authored-by: Colin Adler <colin1adler@gmail.com>

* Rename to syncReplicas

* Reuse http client

* Delete old replicas on a CRON

* Fix race condition in connection tests

* Fix linting

* Fix nil type

* Move pubsub to in-memory for twenty test

* Add comment for configuration tweaking

* Fix leak with transport

* Fix close leak in derpmesh

* Fix race when creating server

* Remove handler update

* Skip test on Windows

* Fix DERP mesh test

* Wrap HTTP handler replacement in mutex

* Fix error message for relay

* Fix API handler for normal tests

* Fix speedtest

* Fix replica resend

* Fix derpmesh send

* Ping async

* Increase wait time of template version jobd

* Fix race when closing replica sync

* Add name to client

* Log the derpmap being used

* Don't connect if DERP is empty

* Improve agent coordinator logging

* Fix lock in coordinator

* Fix relay addr

* Fix race when updating durations

* Fix client publish race

* Run pubsub loop in a queue

* Store agent nodes in order

* Fix coordinator locking

* Check for closed pipe

Co-authored-by: Colin Adler <colin1adler@gmail.com>
2022-10-17 13:43:30 +00:00

45 lines
1.2 KiB
Go

package codersdk
import (
"context"
"encoding/json"
"net/http"
"time"
"github.com/google/uuid"
"golang.org/x/xerrors"
)
type Replica struct {
// ID is the unique identifier for the replica.
ID uuid.UUID `json:"id"`
// Hostname is the hostname of the replica.
Hostname string `json:"hostname"`
// CreatedAt is when the replica was first seen.
CreatedAt time.Time `json:"created_at"`
// RelayAddress is the accessible address to relay DERP connections.
RelayAddress string `json:"relay_address"`
// RegionID is the region of the replica.
RegionID int32 `json:"region_id"`
// Error is the error.
Error string `json:"error"`
// DatabaseLatency is the latency in microseconds to the database.
DatabaseLatency int32 `json:"database_latency"`
}
// Replicas fetches the list of replicas.
func (c *Client) Replicas(ctx context.Context) ([]Replica, error) {
res, err := c.Request(ctx, http.MethodGet, "/api/v2/replicas", nil)
if err != nil {
return nil, xerrors.Errorf("execute request: %w", err)
}
defer res.Body.Close()
if res.StatusCode != http.StatusOK {
return nil, readBodyAsError(res)
}
var replicas []Replica
return replicas, json.NewDecoder(res.Body).Decode(&replicas)
}