The `SingleTailnet` behavior only checked to see if the `MultiAgent` was
closed, but the websocket error was not being propogated into the
`MultiAgent`, causing it to never be swapped for a new working one.
Fixes https://github.com/coder/coder/issues/11401
Before:
```
Coder Workspace Proxy v0.0.0-devel+85ff030 - Your Self-Hosted Remote Development Platform
Started HTTP listener at http://0.0.0.0:3001
View the Web UI: http://127.0.0.1:3001
==> Logs will stream in below (press ctrl+c to gracefully exit):
2024-01-04 20:11:56.376 [warn] net.workspace-proxy.servertailnet: broadcast server node to agents ...
error= write message:
github.com/coder/coder/v2/enterprise/wsproxy/wsproxysdk.(*remoteMultiAgentHandler).writeJSON
/home/coder/coder/enterprise/wsproxy/wsproxysdk/wsproxysdk.go:524
- failed to write msg: WebSocket closed: failed to read frame header: EOF
```
After:
```
Coder Workspace Proxy v0.0.0-devel+12f1878 - Your Self-Hosted Remote Development Platform
Started HTTP listener at http://0.0.0.0:3001
View the Web UI: http://127.0.0.1:3001
==> Logs will stream in below (press ctrl+c to gracefully exit):
2024-01-04 20:26:38.545 [warn] net.workspace-proxy.servertailnet: multiagent closed, reinitializing
2024-01-04 20:26:38.546 [erro] net.workspace-proxy.servertailnet: reinit multi agent ...
error= dial coordinate websocket:
github.com/coder/coder/v2/enterprise/wsproxy/wsproxysdk.(*Client).DialCoordinator
/home/coder/coder/enterprise/wsproxy/wsproxysdk/wsproxysdk.go:454
- failed to WebSocket dial: failed to send handshake request: Get "http://127.0.0.1:3000/api/v2/workspaceproxies/me/coordinate": dial tcp 127.0.0.1:3000: connect: connection refused
2024-01-04 20:26:38.587 [erro] net.workspace-proxy.servertailnet: reinit multi agent ...
error= dial coordinate websocket:
github.com/coder/coder/v2/enterprise/wsproxy/wsproxysdk.(*Client).DialCoordinator
/home/coder/coder/enterprise/wsproxy/wsproxysdk/wsproxysdk.go:454
- failed to WebSocket dial: failed to send handshake request: Get "http://127.0.0.1:3000/api/v2/workspaceproxies/me/coordinate": dial tcp 127.0.0.1:3000: connect: connection refusedhandshake request: Get "http://127.0.0.1:3000/api/v2/workspaceproxies/me/coordinate": dial tcp 127.0.0.1:3000: connect: connection refused
2024-01-04 20:26:40.446 [info] net.workspace-proxy.servertailnet: successfully reinitialized multiagent agents=0 took=1.900892615s
```
* assert provisioner daemon version and api_version in unit tests
* add build info in HTTP header, extract codersdk.BuildVersionHeader
* add api_version to codersdk.ProvisionerDaemon
* testutil.MustString -> testutil.MustRandString
* Add database tables for OAuth2 applications
These are applications that will be able to use OAuth2 to get an API key
from Coder.
* Add endpoints for managing OAuth2 applications
These let you add, update, and remove OAuth2 applications.
* Add frontend for managing OAuth2 applications
* Adds UpdateProvisionerDaemonLastSeenAt
* Adds heartbeat to provisioner daemons
* Inserts provisioner daemons to database upon start
* Ensures TagOwner is an empty string and not nil
* Adds COALESCE() in idx_provisioner_daemons_name_owner_key
Part of #10532
DRPC transport over yamux and in-mem pipes was previously only used on the provisioner APIs, but now will also be used in tailnet. Moved to subpackage of codersdk to avoid import loops.
Fixes flake https://github.com/coder/coder/runs/19639217635
AGPL coordinator used to process node updates for single_tailnet synchronously, but it's been refactored to process async, so in this test we need to wait for it to be processed.
This sends the email the license was issued to, and whether or not it's a trial in the telemetry payload. It's a bit janky since the license parsing is all enterprise licensed.
- Adds a --name argument to provisionerd start
- Plumbs through name to integrated and external provisioners
- Defaults to hostname if not specified for external, hostname-N for integrated
- Adds cliutil.Hostname
* Force typegen types for some fields of derp health report
* Explicitly allocate slices for RegionReport.{Errors,Warnings} to avoid nulls in API response
Spotted during a code read. ConnIO unlocks the mutex before attempting to write to the response channel, which could allow another goroutine to call Close() and close the channel, causing a panic.
Fix is to hold the mutex. This won't cause a deadlock because the `select{}` has a `default` case, so we won't block even if the receiver isn't keeping up.
Adds support for graceful disconnect to PGCoordinator. When peers gracefully disconnect, they send a disconnect message. This triggers the peer to be disconnected from all tunneled peers.
The Multi-Agent Client supports graceful disconnect, since it is in memory and we know that when it is closed, we really mean to disconnect.
The v1 agent and client Websocket connections do not support graceful disconnect, since the v1 protocol doesn't have this feature. That means that if a v1 peer connects to a v2 peer, when the v1 peer's coordinator connection is closed, the v2 peer will
see it as "lost" since we don't know whether the v1 peer meant to disconnect, or it just lost connectivity to the coordinator.
Colin Adler