Files
coder/cli/config/file.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

93 lines
2.0 KiB
Go

package config
import (
"io"
"os"
"path/filepath"
)
// Root represents the configuration directory.
type Root string
func (r Root) Session() File {
return File(filepath.Join(string(r), "session"))
}
// ReplicaID is a unique identifier for the Coder server.
func (r Root) ReplicaID() File {
return File(filepath.Join(string(r), "replica_id"))
}
func (r Root) URL() File {
return File(filepath.Join(string(r), "url"))
}
func (r Root) Organization() File {
return File(filepath.Join(string(r), "organization"))
}
func (r Root) DotfilesURL() File {
return File(filepath.Join(string(r), "dotfilesurl"))
}
func (r Root) PostgresPath() string {
return filepath.Join(string(r), "postgres")
}
func (r Root) PostgresPassword() File {
return File(filepath.Join(r.PostgresPath(), "password"))
}
func (r Root) PostgresPort() File {
return File(filepath.Join(r.PostgresPath(), "port"))
}
// File provides convenience methods for interacting with *os.File.
type File string
// Delete deletes the file.
func (f File) Delete() error {
return os.Remove(string(f))
}
// Write writes the string to the file.
func (f File) Write(s string) error {
return write(string(f), 0600, []byte(s))
}
// Read reads the file to a string.
func (f File) Read() (string, error) {
byt, err := read(string(f))
return string(byt), err
}
// open opens a file in the configuration directory,
// creating all intermediate directories.
func open(path string, flag int, mode os.FileMode) (*os.File, error) {
err := os.MkdirAll(filepath.Dir(path), 0750)
if err != nil {
return nil, err
}
return os.OpenFile(path, flag, mode)
}
func write(path string, mode os.FileMode, dat []byte) error {
fi, err := open(path, os.O_WRONLY|os.O_TRUNC|os.O_CREATE, mode)
if err != nil {
return err
}
defer fi.Close()
_, err = fi.Write(dat)
return err
}
func read(path string) ([]byte, error) {
fi, err := open(path, os.O_RDONLY, 0)
if err != nil {
return nil, err
}
defer fi.Close()
return io.ReadAll(fi)
}