init

go.mod

@@ -0,0 +1,25 @@
+module goseg
+
+go 1.21.0
+
+require github.com/docker/docker v24.0.5+incompatible
+
+require (
+	github.com/Microsoft/go-winio v0.6.1 // indirect
+	github.com/docker/distribution v2.8.2+incompatible // indirect
+	github.com/docker/go-connections v0.4.0 // indirect
+	github.com/docker/go-units v0.5.0 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/moby/term v0.5.0 // indirect
+	github.com/morikuni/aec v1.0.0 // indirect
+	github.com/opencontainers/go-digest v1.0.0 // indirect
+	github.com/opencontainers/image-spec v1.0.2 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/stretchr/testify v1.8.4 // indirect
+	golang.org/x/mod v0.8.0 // indirect
+	golang.org/x/net v0.6.0 // indirect
+	golang.org/x/sys v0.5.0 // indirect
+	golang.org/x/time v0.3.0 // indirect
+	golang.org/x/tools v0.6.0 // indirect
+	gotest.tools/v3 v3.5.0 // indirect
+)

go.sum

@@ -0,0 +1,77 @@
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+github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
+github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow=
+github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5+sAH+4kjUM=
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+github.com/docker/distribution v2.8.2+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
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+github.com/docker/go-units v0.5.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
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+github.com/opencontainers/image-spec v1.0.2/go.mod h1:BtxoFyWECRxE4U/7sNtV5W15zMzWCbyJoFRP3s7yZA0=
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main.go

@@ -0,0 +1,93 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/client"
+	"sync"
+	"time"
+)
+
+// var counter int
+var lock sync.Mutex
+
+/*
+	{
+	  "<patp>":{
+	    "status":<container-status>
+	  }
+	}
+*/
+var urbitBroadcast = make(map[string]map[string]string)
+
+func broadcast() {
+	for {
+		fmt.Println(urbitBroadcast) // send to websocket as json blob
+		time.Sleep(250 * time.Millisecond)
+	}
+}
+
+// Example
+func getStatus(i int, patp string) {
+	for {
+		// Locking the shared state
+		lock.Lock()
+
+		// Create submap
+		_, exist := urbitBroadcast[patp]
+		if !exist {
+			urbitBroadcast[patp] = make(map[string]string)
+		}
+
+		//Get container running status
+		cli, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
+		if err != nil {
+			//panic(err)
+			fmt.Println(err)
+		} else {
+			containers, err := cli.ContainerList(context.Background(), types.ContainerListOptions{})
+			if err != nil {
+				urbitBroadcast[patp]["status"] = "error"
+			} else {
+				for _, container := range containers {
+					for _, name := range container.Names {
+						fasPatp := "/" + patp
+						if name == fasPatp {
+							urbitBroadcast[patp]["status"] = container.Status
+						}
+					}
+				}
+			}
+		}
+
+		// Unlocking the shared state
+		lock.Unlock()
+
+		// Arbitary sleep
+		time.Sleep(5 * time.Second)
+	}
+}
+
+func main() {
+	/*
+	  Temporary Hardcode -- from config file
+	*/
+	piers := []string{"widwet-mornev-nallux-dozryl",
+		"hocfur-wicnym-nallux-dozryl",
+		"pinlyd-mattyd-nallux-dozryl",
+		"solnys-dibmyn-nallux-dozryl",
+		"wormun-fadwyl-nallux-dozryl",
+		"nopmul-pollyt",
+		"nalruc-nallux-dozryl",
+	}
+
+	go broadcast()
+	for i, patp := range piers {
+		go getStatus(i, patp)
+	}
+
+	// Waiting for the goroutines to complete
+	var input string
+	fmt.Scanln(&input)
+}