generate a name for the service

go.mod

@@ -10,6 +10,7 @@ require (
 	github.com/charmbracelet/huh v0.6.0
 	github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf
 	github.com/dgraph-io/badger/v3 v3.2103.5
+	github.com/distribution/reference v0.6.0
 	github.com/docker/docker v27.3.0+incompatible
 	github.com/docker/go-connections v0.5.0
 	github.com/hashicorp/memberlist v0.5.1
@@ -22,8 +23,10 @@ require (
 	github.com/ipfs/go-ipld-format v0.6.0
 	github.com/ipfs/go-log/v2 v2.5.1
 	github.com/lmittmann/tint v1.0.5
+	github.com/opencontainers/image-spec v1.1.0
 	github.com/siderolabs/discovery-api v0.1.4
 	github.com/siderolabs/discovery-client v0.1.9
+	github.com/siderolabs/grpc-proxy v0.5.1
 	github.com/spf13/cobra v1.8.1
 	github.com/vishvananda/netlink v1.3.0
 	go.uber.org/zap v1.27.0
@@ -34,6 +37,7 @@ require (
 	golang.org/x/sys v0.26.0
 	golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173
 	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230429144221-925a1e7659e6
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9
 	google.golang.org/grpc v1.67.1
 	google.golang.org/protobuf v1.35.1
 )
@@ -61,7 +65,6 @@ require (
 	github.com/containerd/log v0.1.0 // indirect
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.3.0 // indirect
 	github.com/dgraph-io/ristretto v0.1.1 // indirect
-	github.com/distribution/reference v0.6.0 // indirect
 	github.com/docker/go-events v0.0.0-20190806004212-e31b211e4f1c // indirect
 	github.com/docker/go-units v0.5.0 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
@@ -142,7 +145,6 @@ require (
 	github.com/multiformats/go-multistream v0.5.0 // indirect
 	github.com/multiformats/go-varint v0.0.7 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
-	github.com/opencontainers/image-spec v1.1.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/planetscale/vtprotobuf v0.6.1-0.20240319094008-0393e58bdf10 // indirect
 	github.com/polydawn/refmt v0.89.0 // indirect
@@ -151,7 +153,6 @@ require (
 	github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 // indirect
 	github.com/shopspring/decimal v1.4.0 // indirect
 	github.com/siderolabs/gen v0.4.8 // indirect
-	github.com/siderolabs/grpc-proxy v0.5.1 // indirect
 	github.com/sirupsen/logrus v1.9.3 // indirect
 	github.com/spaolacci/murmur3 v1.1.0 // indirect
 	github.com/spf13/cast v1.7.0 // indirect
@@ -170,7 +171,6 @@ require (
 	golang.org/x/tools v0.26.0 // indirect
 	golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20240827150818-7e3bb234dfed // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9 // indirect
 	gotest.tools/v3 v3.5.1 // indirect
 	gvisor.dev/gvisor v0.0.0-20230927004350-cbd86285d259 // indirect
 	lukechampine.com/blake3 v1.3.0 // indirect

go.sum

@@ -815,8 +815,6 @@ google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
 google.golang.org/genproto/googleapis/api v0.0.0-20240827150818-7e3bb234dfed h1:3RgNmBoI9MZhsj3QxC+AP/qQhNwpCLOvYDYYsFrhFt0=
 google.golang.org/genproto/googleapis/api v0.0.0-20240827150818-7e3bb234dfed/go.mod h1:OCdP9MfskevB/rbYvHTsXTtKC+3bHWajPdoKgjcYkfo=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240827150818-7e3bb234dfed h1:J6izYgfBXAI3xTKLgxzTmUltdYaLsuBxFCgDHWJ/eXg=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240827150818-7e3bb234dfed/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9 h1:QCqS/PdaHTSWGvupk2F/ehwHtGc0/GYkT+3GAcR1CCc=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9/go.mod h1:GX3210XPVPUjJbTUbvwI8f2IpZDMZuPJWDzDuebbviI=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
@@ -825,8 +823,6 @@ google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyac
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
-google.golang.org/grpc v1.66.0 h1:DibZuoBznOxbDQxRINckZcUvnCEvrW9pcWIE2yF9r1c=
-google.golang.org/grpc v1.66.0/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
 google.golang.org/grpc v1.67.1 h1:zWnc1Vrcno+lHZCOofnIMvycFcc0QRGIzm9dhnDX68E=
 google.golang.org/grpc v1.67.1/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
@@ -838,8 +834,6 @@ google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
-google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
-google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
 google.golang.org/protobuf v1.35.1 h1:m3LfL6/Ca+fqnjnlqQXNpFPABW1UD7mjh8KO2mKFytA=
 google.golang.org/protobuf v1.35.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=

internal/cli/client/service.go

@@ -4,11 +4,14 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"github.com/distribution/reference"
 	"github.com/docker/docker/api/types/container"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/protobuf/types/known/emptypb"
 	"slices"
+	"strings"
 	"uncloud/internal/machine/api/pb"
+	"uncloud/internal/secret"
 )
 
 // ServiceOptions contains all the options for creating a service.
@@ -28,6 +31,12 @@ type RunServiceResponse struct {
 func (c *Client) RunService(ctx context.Context, opts *ServiceOptions) (RunServiceResponse, error) {
 	var resp RunServiceResponse
 
+	image, err := reference.ParseDockerRef(opts.Image)
+	if err != nil {
+		return resp, fmt.Errorf("invalid image: %w", err)
+	}
+
+	// Find a machine to run the service on.
 	listResp, err := c.ListMachines(ctx, &emptypb.Empty{})
 	if err != nil {
 		return resp, fmt.Errorf("list machines: %w", err)
@@ -53,16 +62,33 @@ func (c *Client) RunService(ctx context.Context, opts *ServiceOptions) (RunServi
 		return resp, errors.New("no available machine to run the service")
 	}
 
+	// Proxy Docker gRPC requests to the selected machine.
 	machineIP, _ := machine.Machine.Network.ManagementIp.ToAddr()
-	resp.MachineName = machine.Machine.Name
-
 	md := metadata.Pairs("machines", machineIP.String())
 	ctx = metadata.NewOutgoingContext(ctx, md)
 
-	// TODO: generate a random service ID.
+	serviceID, err := secret.NewID()
-	resp.ID = "todo-service-id"
+	if err != nil {
-	// TODO: generate a random service name if not specified.
+		return resp, fmt.Errorf("generate service ID: %w", err)
-	resp.Name = opts.Name
+	}
+
+	serviceName := opts.Name
+	// Generate a random service name if not specified.
+	if serviceName == "" {
+		// Get the image name without the repository and tag/digest parts.
+		imageName := reference.FamiliarName(image)
+		// Get the last part of the image name (path), e.g. "nginx" from "bitnami/nginx".
+		if i := strings.LastIndex(imageName, "/"); i != -1 {
+			imageName = imageName[i+1:]
+		}
+		// Append a random suffix to the image name to generate an optimistically unique service name.
+		suffix, err := secret.RandomAlphaNumeric(4)
+		if err != nil {
+			return resp, fmt.Errorf("generate random suffix: %w", err)
+		}
+		serviceName = fmt.Sprintf("%s-%s", imageName, suffix)
+	}
+
 	// TODO: generate a container name from the service name.
 	// TODO: set service labels on the container.
 
@@ -77,6 +103,9 @@ func (c *Client) RunService(ctx context.Context, opts *ServiceOptions) (RunServi
 		return resp, fmt.Errorf("start container: %w", err)
 	}
 
+	resp.ID = serviceID
+	resp.Name = serviceName
+	resp.MachineName = machine.Machine.Name
 	return resp, nil
 }
 

internal/corrosion/admin.go

@@ -1,10 +1,10 @@
 package corrosion
 
 import (
+	"encoding/binary"
 	"encoding/json"
 	"errors"
 	"fmt"
-	"gvisor.dev/gvisor/pkg/binary"
 	"io"
 	"net"
 	"net/netip"