Move configuration to own directory, modify docker environment setup to be easier to manage

This commit is contained in:
Dane Everitt 2019-04-06 13:33:54 -07:00
parent fe30c2969d
commit d534b23606
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GPG Key ID: EEA66103B3D71F53
7 changed files with 102 additions and 66 deletions

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@ -1,7 +1,6 @@
package main
package config
import (
"github.com/pterodactyl/wings/server"
"gopkg.in/yaml.v2"
"io/ioutil"
"os"
@ -12,16 +11,9 @@ type Configuration struct {
// if the debug flag is passed through the command line arguments.
Debug bool
// Directory where the server data is stored at.
Data string
Api *ApiConfiguration
Docker *server.DockerConfiguration
// Determines if permissions for a server should be set automatically on
// daemon boot. This can take a long time on systems with many servers, or on
// systems with servers containing thousands of files.
SetPermissionsOnBoot bool `yaml:"set_permissions_on_boot"`
System *SystemConfiguration
Docker *DockerConfiguration
// The amount of time in seconds that should elapse between disk usage checks
// run by the daemon. Setting a higher number can result in better IO performance
@ -59,6 +51,52 @@ type Configuration struct {
AuthenticationToken string `yaml:"token"`
}
// Defines basic system configuration settings.
type SystemConfiguration struct {
// Directory where the server data is stored at.
Data string
// The user that should own all of the server files, and be used for containers.
User string
// The path to the system's timezone file that will be mounted into running Docker containers.
TimezonePath string `yaml:"timezone_path"`
// Determines if permissions for a server should be set automatically on
// daemon boot. This can take a long time on systems with many servers, or on
// systems with servers containing thousands of files.
SetPermissionsOnBoot bool `yaml:"set_permissions_on_boot"`
}
// Defines the docker configuration used by the daemon when interacting with
// containers and networks on the system.
type DockerConfiguration struct {
// Network configuration that should be used when creating a new network
// for containers run through the daemon.
Network struct {
// The interface that should be used to create the network. Must not conflict
// with any other interfaces in use by Docker or on the system.
Interface string
// The name of the network to use. If this network already exists it will not
// be created. If it is not found, a new network will be created using the interface
// defined.
Name string
}
// If true, container images will be updated when a server starts if there
// is an update available. If false the daemon will not attempt updates and will
// defer to the host system to manage image updates.
UpdateImages bool `yaml:"update_images"`
// The location of the Docker socket.
Socket string
// Defines the location of the timezone file on the host system that should
// be mounted into the created containers so that they all use the same time.
TimezonePath string `yaml:"timezone_path"`
}
// Defines the configuration for the internal API that is exposed by the
// daemon webserver.
type ApiConfiguration struct {
@ -85,8 +123,10 @@ type ApiConfiguration struct {
// of the places in the code using them will need to be doing checks, which is
// a tedious thing to have to do.
func (c *Configuration) SetDefaults() {
// Set the default data directory.
c.Data = "/srv/daemon-data"
c.System = &SystemConfiguration{
Data: "/srv/daemon-data",
TimezonePath:"/etc/timezone",
}
// By default the internal webserver should bind to all interfaces and
// be served on port 8080.
@ -102,7 +142,7 @@ func (c *Configuration) SetDefaults() {
// In production and heavy use environments where boot speed is essential,
// this should be set to false as servers will self-correct permissions on
// boot anyways.
c.SetPermissionsOnBoot = true
c.System.SetPermissionsOnBoot = true
// Configure the default throttler implementation. This should work fine
// for 99% of people running servers on the platform. The occasional host
@ -114,7 +154,7 @@ func (c *Configuration) SetDefaults() {
c.Throttles.CheckInterval = 100
// Configure the defaults for Docker connection and networks.
c.Docker = &server.DockerConfiguration{}
c.Docker = &DockerConfiguration{}
c.Docker.UpdateImages = true
c.Docker.Socket = "/var/run/docker.sock"
c.Docker.Network.Name = "pterodactyl_nw"
@ -142,3 +182,18 @@ func ReadConfiguration(path string) (*Configuration, error) {
return c, nil
}
// Ensures that the Pterodactyl core user exists on the system. This user will be the
// owner of all data in the root data directory and is used as the user within containers.
//
// If files are not owned by this user there will be issues with permissions on Docker
// mount points.
func (c *Configuration) EnsurePterodactylUser() error {
return nil
}
// Ensures that the configured data directory has the correct permissions assigned to
// all of the files and folders within.
func (c *Configuration) EnsureFilePermissions() error {
return nil
}

2
go.mod
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@ -8,7 +8,7 @@ require (
github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5 // indirect
github.com/containerd/fifo v0.0.0-20190226154929-a9fb20d87448 // indirect
github.com/davecgh/go-spew v1.1.0 // indirect
github.com/docker/distribution v2.7.1+incompatible // indirect
github.com/docker/distribution v2.7.1+incompatible
github.com/docker/docker v0.0.0-20180422163414-57142e89befe
github.com/docker/go-connections v0.4.0
github.com/docker/go-units v0.3.3 // indirect

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@ -20,62 +20,37 @@ import (
"time"
)
// Defines the docker configuration used by the daemon when interacting with
// containers and networks on the system.
type DockerConfiguration struct {
Container struct {
User string
}
// Network configuration that should be used when creating a new network
// for containers run through the daemon.
Network struct {
// The interface that should be used to create the network. Must not conflict
// with any other interfaces in use by Docker or on the system.
Interface string
// The name of the network to use. If this network already exists it will not
// be created. If it is not found, a new network will be created using the interface
// defined.
Name string
}
// If true, container images will be updated when a server starts if there
// is an update available. If false the daemon will not attempt updates and will
// defer to the host system to manage image updates.
UpdateImages bool `yaml:"update_images"`
// The location of the Docker socket.
Socket string
// Defines the location of the timezone file on the host system that should
// be mounted into the created containers so that they all use the same time.
TimezonePath string `yaml:"timezone_path"`
}
// Defines the base environment for Docker instances running through Wings.
type DockerEnvironment struct {
Server *Server
// The user that containers should be running as.
User string
// Defines the configuration for the Docker instance that will allow us to connect
// and create and modify containers.
Configuration DockerConfiguration
TimezonePath string
// The Docker client being used for this instance.
Client *client.Client
}
// Creates a new base Docker environment. A server must still be attached to it.
func NewDockerEnvironment(cfg DockerConfiguration) (*DockerEnvironment, error) {
func NewDockerEnvironment(opts ...func(*DockerEnvironment)) (*DockerEnvironment, error) {
cli, err := client.NewClientWithOpts(client.FromEnv)
if err != nil {
return nil, err
}
return &DockerEnvironment{
Configuration: cfg,
Client: cli,
}, nil
env := &DockerEnvironment{
Client: cli,
}
for _, opt := range opts {
opt(env)
}
return env, nil
}
// Ensure that the Docker environment is always implementing all of the methods
@ -182,7 +157,7 @@ func (d *DockerEnvironment) Create() error {
conf := &container.Config{
Hostname: "container",
User: d.Configuration.Container.User,
User: d.User,
AttachStdin: true,
AttachStdout: true,
AttachStderr: true,
@ -214,8 +189,8 @@ func (d *DockerEnvironment) Create() error {
ReadOnly: false,
},
{
Target: d.Configuration.TimezonePath,
Source: d.Configuration.TimezonePath,
Target: d.TimezonePath,
Source: d.TimezonePath,
Type: mount.TypeBind,
ReadOnly: true,
},

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@ -1,6 +1,7 @@
package server
import (
"github.com/pterodactyl/wings/config"
"github.com/remeh/sizedwaitgroup"
"go.uber.org/zap"
"gopkg.in/yaml.v2"
@ -107,7 +108,7 @@ type Allocations struct {
// Iterates over a given directory and loads all of the servers listed before returning
// them to the calling function.
func LoadDirectory(dir string, cfg DockerConfiguration) ([]*Server, error) {
func LoadDirectory(dir string, cfg *config.SystemConfiguration) ([]*Server, error) {
// We could theoretically use a standard wait group here, however doing
// that introduces the potential to crash the program due to too many
// open files. This wouldn't happen on a small setup, but once the daemon is
@ -162,19 +163,24 @@ func LoadDirectory(dir string, cfg DockerConfiguration) ([]*Server, error) {
// Initalizes a server using a data byte array. This will be marshaled into the
// given struct using a YAML marshaler. This will also configure the given environment
// for a server.
func FromConfiguration(data []byte, cfg DockerConfiguration) (*Server, error) {
func FromConfiguration(data []byte, cfg *config.SystemConfiguration) (*Server, error) {
s := &Server{}
if err := yaml.Unmarshal(data, s); err != nil {
return nil, err
}
withConfiguration := func (e *DockerEnvironment) {
e.User = cfg.User
e.TimezonePath = cfg.TimezonePath
e.Server = s
}
// Right now we only support a Docker based environment, so I'm going to hard code
// this logic in. When we're ready to support other environment we'll need to make
// some modifications here obviously.
var env Environment
if t, err := NewDockerEnvironment(cfg); err == nil {
t.Server = s
if t, err := NewDockerEnvironment(withConfiguration); err == nil {
env = t
} else {
return nil, err
@ -183,8 +189,7 @@ func FromConfiguration(data []byte, cfg DockerConfiguration) (*Server, error) {
s.environment = env
s.fs = &Filesystem{
// @todo adjust this to be configuration provided!
Root: "/srv/daemon-data",
Root: cfg.Data,
Server: s,
}

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@ -3,6 +3,7 @@ package main
import (
"flag"
"fmt"
"github.com/pterodactyl/wings/config"
"github.com/pterodactyl/wings/server"
"go.uber.org/zap"
"net/http"
@ -18,7 +19,7 @@ func main() {
zap.S().Infof("using configuration file: %s", configPath)
c, err := ReadConfiguration(configPath)
c, err := config.ReadConfiguration(configPath)
if err != nil {
panic(err)
return
@ -37,7 +38,7 @@ func main() {
zap.S().Debugw("running in debug mode")
}
servers, err := server.LoadDirectory("config/servers", *c.Docker)
servers, err := server.LoadDirectory("data/servers", c.System)
if err != nil {
zap.S().Fatalw("failed to load server configurations", zap.Error(err))
return