Compare commits
2 Commits
d8e9d7a738
...
7361f5a805
Author | SHA1 | Date |
---|---|---|
Johannes Bülow | 7361f5a805 | |
Johannes Bülow | f48a4fc108 |
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@ -3,3 +3,5 @@
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5533801d-70e3-4c21-9942-82d20930c789
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5533801d-70e3-4c21-9942-82d20930c789
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5533801d-70e3-4c21-9942-82d20930c789
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5533801d-70e3-4c21-9942-82d20930c789
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5533801d-70e3-4c21-9942-82d20930c789
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5533801d-70e3-4c21-9942-82d20930c789
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5533801d-70e3-4c21-9942-82d20930c789
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5533801d-70e3-4c21-9942-82d20930c789
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14
Makefile
14
Makefile
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@ -1,4 +1,6 @@
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.PHONY: release dev deps install skel
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release: deps
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release: deps
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CGO_ENABLED=1 go build -buildvcs=true .
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CGO_ENABLED=1 go build -buildvcs=true .
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@ -12,9 +14,15 @@ deps:
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install:
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install:
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cp podterminal /usr/local/bin/podterminal
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cp podterminal /usr/local/bin/podterminal
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mkdir -p /etc/podterminal
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ifeq ($(shell id podterminal 2>/dev/null))
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useradd -r -s /bin/false podterminal
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useradd -r -s /bin/false podterminal
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cp ./exampleconfig.yaml /etc/podterminal/config.yaml
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endif
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cp podterminal.service /etc/systemd/system/
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mkdir -p /etc/podterminal/skel
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cp -n ./exampleconfig.yaml /etc/podterminal/config.yaml
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cp -n podterminal.service /etc/systemd/system/
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systemctl daemon-reload
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systemctl daemon-reload
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systemctl enable --now podterminal
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systemctl enable --now podterminal
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skel:
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echo "Taring up /etc/podterminal/skel/"
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tar -czvf /etc/podterminal/skel.tar.gz -C /etc/podterminal/skel .
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@ -14,8 +14,10 @@ image: lscr.io/linuxserver/webtop
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maxage: 10800
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maxage: 10800
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# Port Podterminal should listen to
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# Port Podterminal should listen to
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port: 80
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port: 80
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# Files that will be copied into container on startup
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# Files that will be copied into container userhome on startup
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skel: /etc/podterminal/skel/
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skel: /etc/podterminal/skel/
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ssl: false
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ssl: false
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ssl_cert: /etc/ssl/certs/ssl-cert-snakeoil.pem
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ssl_cert: /etc/ssl/certs/ssl-cert-snakeoil.pem
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ssl_cert_key: /etc/ssl/private/ssl-cert-snakeoil.key
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ssl_cert_key: /etc/ssl/private/ssl-cert-snakeoil.key
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# Blocks accessing /files and /files/socket.io to avoid File transfer
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block_filebrowser: false
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2
go.mod
2
go.mod
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@ -9,6 +9,7 @@ require (
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github.com/google/uuid v1.4.0
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github.com/google/uuid v1.4.0
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github.com/opencontainers/runtime-spec v1.1.1-0.20230922153023-c0e90434df2a
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github.com/opencontainers/runtime-spec v1.1.1-0.20230922153023-c0e90434df2a
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github.com/spf13/viper v1.18.2
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github.com/spf13/viper v1.18.2
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golang.org/x/sync v0.5.0
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)
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)
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require (
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require (
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@ -147,7 +148,6 @@ require (
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golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
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golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
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golang.org/x/mod v0.13.0 // indirect
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golang.org/x/mod v0.13.0 // indirect
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golang.org/x/net v0.19.0 // indirect
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golang.org/x/net v0.19.0 // indirect
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golang.org/x/sync v0.5.0 // indirect
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golang.org/x/sys v0.15.0 // indirect
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golang.org/x/sys v0.15.0 // indirect
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golang.org/x/term v0.15.0 // indirect
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golang.org/x/term v0.15.0 // indirect
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golang.org/x/text v0.14.0 // indirect
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golang.org/x/text v0.14.0 // indirect
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34
main.go
34
main.go
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@ -2,9 +2,7 @@ package main
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import (
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import (
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"log"
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"log"
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"os"
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"github.com/spf13/viper"
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"golang.org/x/sync/errgroup"
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"golang.org/x/sync/errgroup"
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"git.jmbit.de/jmb/podterminal/pods"
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"git.jmbit.de/jmb/podterminal/pods"
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@ -33,35 +31,3 @@ func main() {
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log.Fatal(err)
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log.Fatal(err)
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}
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}
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}
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}
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func readConfigFile() {
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log.Println("Reading Config")
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viper.SetConfigFile("/etc/podterminal/config.yaml")
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viper.SetDefault("port", 80)
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viper.SetDefault("ip_addr", "0.0.0.0")
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viper.SetDefault("image", "lscr.io/linuxserver/webtop")
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viper.SetDefault("maxAge", 10800)
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viper.SetDefault("dri", false)
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viper.SetDefault("dir_node", "/dev/dri/renderD128")
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viper.SetDefault("skel", "/etc/podterminal/skel")
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viper.SetDefault("envvars",
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map[string]string{
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"CUSTOM_USER": "user",
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"PASSWORD": "",
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"TITLE": "Podterminal",
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},
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)
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if _, err := os.Stat("/etc/podterminal/config.yaml"); os.IsNotExist(err) {
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log.Println("Config file does not exist, creating")
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os.MkdirAll("/etc/podterminal", 755)
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err := viper.WriteConfig()
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if err != nil {
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log.Fatalln("could not write default config", err)
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}
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}
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err := viper.ReadInConfig()
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if err != nil {
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log.Fatalln("could not read config file", err)
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}
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log.Println("Finished reading Config")
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}
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@ -0,0 +1,54 @@
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package pods
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import (
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"bytes"
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"log"
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"os"
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"github.com/containers/podman/v4/pkg/bindings/containers"
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"github.com/spf13/viper"
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)
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// CopySkelToContainer copies an Archive into the containers home directory
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// (Assumes the use of a Webtop container)
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func CopySkelToContainer(id string) error {
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trueVar := true
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log.Println("Copying skel Archive to container")
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var buf bytes.Buffer
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var err error
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file, err := os.Open(viper.GetString("skel"))
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if err != nil {
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log.Println("Could not open skel archive", err)
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return err
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}
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defer file.Close()
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// Use 'FileInfo' to get the size of the file
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fileInfo, err := file.Stat()
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if err != nil {
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log.Println("Could not get size of skel archive", err)
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return err
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||||||
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}
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||||||
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// Create a buffer with the size of the file
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buffer := bytes.NewBuffer(make([]byte, 0, fileInfo.Size()))
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// Copy the file contents to the buffer
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_, err = buffer.ReadFrom(file)
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if err != nil {
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log.Println("Could not get read in skel archive", err)
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return err
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||||||
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}
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log.Println("Writing file from buffer to container")
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copyOptions := &containers.CopyOptions{
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||||||
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Chown: &trueVar,
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}
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_, err = containers.CopyFromArchiveWithOptions(Socket, id, "/config/", &buf, copyOptions)
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||||||
|
if err != nil {
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log.Print("Error copying to Container: ", err)
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||||||
|
}
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||||||
|
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||||||
|
return err
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||||||
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}
|
|
@ -0,0 +1,41 @@
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||||||
|
package main
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||||||
|
|
||||||
|
import (
|
||||||
|
"log"
|
||||||
|
"os"
|
||||||
|
|
||||||
|
"github.com/spf13/viper"
|
||||||
|
)
|
||||||
|
|
||||||
|
func readConfigFile() {
|
||||||
|
log.Println("Reading Config")
|
||||||
|
viper.SetConfigFile("/etc/podterminal/config.yaml")
|
||||||
|
viper.SetDefault("port", 80)
|
||||||
|
viper.SetDefault("ip_addr", "0.0.0.0")
|
||||||
|
viper.SetDefault("image", "lscr.io/linuxserver/webtop")
|
||||||
|
viper.SetDefault("maxAge", 10800)
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||||||
|
viper.SetDefault("dri", false)
|
||||||
|
viper.SetDefault("dir_node", "/dev/dri/renderD128")
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||||||
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viper.SetDefault("skel", "/etc/podterminal/skel.tar.gz")
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||||||
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viper.SetDefault("block_filebrowser", false)
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||||||
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viper.SetDefault("envvars",
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||||||
|
map[string]string{
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||||||
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"CUSTOM_USER": "user",
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||||||
|
"PASSWORD": "",
|
||||||
|
"TITLE": "Podterminal",
|
||||||
|
},
|
||||||
|
)
|
||||||
|
if _, err := os.Stat("/etc/podterminal/config.yaml"); os.IsNotExist(err) {
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||||||
|
log.Println("Config file does not exist, creating")
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||||||
|
os.MkdirAll("/etc/podterminal", 755)
|
||||||
|
err := viper.WriteConfig()
|
||||||
|
if err != nil {
|
||||||
|
log.Fatalln("could not write default config", err)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
err := viper.ReadInConfig()
|
||||||
|
if err != nil {
|
||||||
|
log.Fatalln("could not read config file", err)
|
||||||
|
}
|
||||||
|
log.Println("Finished reading Config")
|
||||||
|
}
|
|
@ -0,0 +1,98 @@
|
||||||
|
package web
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||||||
|
|
||||||
|
import (
|
||||||
|
"fmt"
|
||||||
|
"log"
|
||||||
|
"net/http/httputil"
|
||||||
|
"net/url"
|
||||||
|
"time"
|
||||||
|
|
||||||
|
"github.com/gin-contrib/sessions"
|
||||||
|
"github.com/gin-gonic/gin"
|
||||||
|
|
||||||
|
"git.jmbit.de/jmb/podterminal/pods"
|
||||||
|
)
|
||||||
|
|
||||||
|
func createReverseProxy(backendService string) (*httputil.ReverseProxy, error) {
|
||||||
|
var err error
|
||||||
|
log.Println("Creating reverse Proxy for ", backendService)
|
||||||
|
|
||||||
|
backendURL, err := url.Parse(backendService)
|
||||||
|
if err != nil {
|
||||||
|
log.Printf("Could not parse backend URL: %v", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
proxy := &httputil.ReverseProxy{
|
||||||
|
Rewrite: func(request *httputil.ProxyRequest) {
|
||||||
|
request.SetURL(backendURL)
|
||||||
|
request.Out.Host = request.In.Host
|
||||||
|
},
|
||||||
|
}
|
||||||
|
|
||||||
|
return proxy, err
|
||||||
|
}
|
||||||
|
|
||||||
|
func containerProxy(c *gin.Context) {
|
||||||
|
session := sessions.Default(c)
|
||||||
|
session.Save()
|
||||||
|
sessionID := session.ID()
|
||||||
|
if session.Get("ct") == nil {
|
||||||
|
log.Println("Creating Container for Session ", sessionID)
|
||||||
|
ct, err := pods.CreateContainer()
|
||||||
|
if err != nil {
|
||||||
|
c.HTML(500, "Error", fmt.Sprintf("[%s] Could not create Container: %v", sessionID, err))
|
||||||
|
c.Abort()
|
||||||
|
}
|
||||||
|
err = pods.StartContainer(ct)
|
||||||
|
if err != nil {
|
||||||
|
c.HTML(500, "Error", fmt.Sprintf("[%s] Could not start Container: %v", sessionID, err))
|
||||||
|
c.Abort()
|
||||||
|
}
|
||||||
|
// Hack to wait for Container to start up and get assigned an IP
|
||||||
|
time.Sleep(3 * time.Second)
|
||||||
|
ctip, err := pods.GetContainerIP(ct)
|
||||||
|
|
||||||
|
if err != nil {
|
||||||
|
c.HTML(500, "Error", fmt.Sprintf("[%s] Could not get Container ip: %v", sessionID, err))
|
||||||
|
c.Abort()
|
||||||
|
}
|
||||||
|
|
||||||
|
err = pods.CopySkelToContainer(ct)
|
||||||
|
|
||||||
|
if err != nil {
|
||||||
|
c.HTML(
|
||||||
|
500,
|
||||||
|
"Error",
|
||||||
|
fmt.Sprintf("[%s] Could not copy skel archive to container: %v", sessionID, err),
|
||||||
|
)
|
||||||
|
c.Abort()
|
||||||
|
}
|
||||||
|
|
||||||
|
proxies[ct], err = createReverseProxy(fmt.Sprintf("http://%s:3000", ctip))
|
||||||
|
|
||||||
|
if err != nil {
|
||||||
|
c.HTML(
|
||||||
|
500,
|
||||||
|
"Error",
|
||||||
|
fmt.Sprintf("[%s] Could not create Container Proxy: %v", sessionID, err),
|
||||||
|
)
|
||||||
|
c.Abort()
|
||||||
|
}
|
||||||
|
session.Set("ct", ct)
|
||||||
|
session.Save()
|
||||||
|
c.Redirect(301, "/")
|
||||||
|
} else {
|
||||||
|
sessionCT := session.Get("ct")
|
||||||
|
switch sessionCT.(type) {
|
||||||
|
case string:
|
||||||
|
|
||||||
|
default:
|
||||||
|
c.HTML(500, "Error", "Session Container ID is not a string")
|
||||||
|
c.Abort()
|
||||||
|
}
|
||||||
|
id := session.Get("ct").(string)
|
||||||
|
proxy := proxies[id]
|
||||||
|
proxy.ServeHTTP(c.Writer, c.Request)
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
|
@ -4,16 +4,12 @@ import (
|
||||||
"fmt"
|
"fmt"
|
||||||
"log"
|
"log"
|
||||||
"net/http/httputil"
|
"net/http/httputil"
|
||||||
"net/url"
|
|
||||||
"time"
|
|
||||||
|
|
||||||
"github.com/gin-contrib/sessions"
|
"github.com/gin-contrib/sessions"
|
||||||
"github.com/gin-contrib/sessions/cookie"
|
"github.com/gin-contrib/sessions/cookie"
|
||||||
"github.com/gin-gonic/gin"
|
"github.com/gin-gonic/gin"
|
||||||
"github.com/google/uuid"
|
"github.com/google/uuid"
|
||||||
"github.com/spf13/viper"
|
"github.com/spf13/viper"
|
||||||
|
|
||||||
"git.jmbit.de/jmb/podterminal/pods"
|
|
||||||
)
|
)
|
||||||
|
|
||||||
var proxies = make(map[string]*httputil.ReverseProxy)
|
var proxies = make(map[string]*httputil.ReverseProxy)
|
||||||
|
@ -52,6 +48,9 @@ func setupRouter() *gin.Engine {
|
||||||
router.Use(gin.Recovery())
|
router.Use(gin.Recovery())
|
||||||
router.Use(sessions.Sessions("session", store))
|
router.Use(sessions.Sessions("session", store))
|
||||||
//router.Use(urlLog())
|
//router.Use(urlLog())
|
||||||
|
if viper.GetBool("block_filebrowser") == true {
|
||||||
|
router.Use(blockFilebrowser)
|
||||||
|
}
|
||||||
router.Use(containerProxy)
|
router.Use(containerProxy)
|
||||||
// router.Any("/", containerProxy)
|
// router.Any("/", containerProxy)
|
||||||
return router
|
return router
|
||||||
|
@ -69,75 +68,17 @@ func urlLog() gin.HandlerFunc {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
func createReverseProxy(backendService string) (*httputil.ReverseProxy, error) {
|
// blockFilebrowser blocks the URLs used by the Kclient File browser
|
||||||
var err error
|
func blockFilebrowser(c *gin.Context) {
|
||||||
log.Println("Creating reverse Proxy for ", backendService)
|
switch c.Request.URL.RawPath {
|
||||||
|
case "/files":
|
||||||
backendURL, err := url.Parse(backendService)
|
|
||||||
if err != nil {
|
|
||||||
log.Printf("Could not parse backend URL: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
proxy := &httputil.ReverseProxy{
|
|
||||||
Rewrite: func(request *httputil.ProxyRequest) {
|
|
||||||
request.SetURL(backendURL)
|
|
||||||
request.Out.Host = request.In.Host
|
|
||||||
},
|
|
||||||
}
|
|
||||||
|
|
||||||
return proxy, err
|
|
||||||
}
|
|
||||||
|
|
||||||
func containerProxy(c *gin.Context) {
|
|
||||||
session := sessions.Default(c)
|
|
||||||
session.Save()
|
|
||||||
sessionID := session.ID()
|
|
||||||
if session.Get("ct") == nil {
|
|
||||||
log.Println("Creating Container for Session ", sessionID)
|
|
||||||
ct, err := pods.CreateContainer()
|
|
||||||
if err != nil {
|
|
||||||
c.HTML(500, "Error", fmt.Sprintf("[%s] Could not create Container: %v", sessionID, err))
|
|
||||||
c.Abort()
|
c.Abort()
|
||||||
}
|
case "/filebrowser.js":
|
||||||
err = pods.StartContainer(ct)
|
|
||||||
if err != nil {
|
|
||||||
c.HTML(500, "Error", fmt.Sprintf("[%s] Could not start Container: %v", sessionID, err))
|
|
||||||
c.Abort()
|
c.Abort()
|
||||||
}
|
case "/files/socket.io":
|
||||||
// Hack to wait for Container to start up and get assigned an IP
|
|
||||||
time.Sleep(3 * time.Second)
|
|
||||||
ctip, err := pods.GetContainerIP(ct)
|
|
||||||
|
|
||||||
if err != nil {
|
|
||||||
c.HTML(500, "Error", fmt.Sprintf("[%s] Could not get Container ip: %v", sessionID, err))
|
|
||||||
c.Abort()
|
c.Abort()
|
||||||
}
|
|
||||||
|
|
||||||
proxies[ct], err = createReverseProxy(fmt.Sprintf("http://%s:3000", ctip))
|
|
||||||
|
|
||||||
if err != nil {
|
|
||||||
c.HTML(
|
|
||||||
500,
|
|
||||||
"Error",
|
|
||||||
fmt.Sprintf("[%s] Could not create Container Proxy: %v", sessionID, err),
|
|
||||||
)
|
|
||||||
c.Abort()
|
|
||||||
}
|
|
||||||
session.Set("ct", ct)
|
|
||||||
session.Save()
|
|
||||||
c.Redirect(301, "/")
|
|
||||||
} else {
|
|
||||||
sessionCT := session.Get("ct")
|
|
||||||
switch sessionCT.(type) {
|
|
||||||
case string:
|
|
||||||
|
|
||||||
default:
|
default:
|
||||||
c.HTML(500, "Error", "Session Container ID is not a string")
|
c.Next()
|
||||||
c.Abort()
|
|
||||||
}
|
}
|
||||||
id := session.Get("ct").(string)
|
|
||||||
proxy := proxies[id]
|
|
||||||
proxy.ServeHTTP(c.Writer, c.Request)
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in New Issue