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feat(dns-server): check system prerequisites when init/add machine: DNS port is not in use by another DNS server

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This commit is contained in:
Pavel Sviderski
2025-04-30 20:46:10 +10:00
parent 6e1165ec57
commit 769f5e47c3
6 changed files with 366 additions and 180 deletions
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internal/cli/cli.go
+25 -2
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@@ -7,6 +7,7 @@ import (
"net/netip"
"os"
"github.com/charmbracelet/huh"
"github.com/docker/cli/cli/streams"
"github.com/psviderski/uncloud/internal/cli/config"
"github.com/psviderski/uncloud/internal/fs"
@@ -16,8 +17,8 @@ import (
"github.com/psviderski/uncloud/pkg/api"
"github.com/psviderski/uncloud/pkg/client"
"github.com/psviderski/uncloud/pkg/client/connector"
"github.com/charmbracelet/huh"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"google.golang.org/protobuf/types/known/emptypb"
)
@@ -194,6 +195,17 @@ func (cli *CLI) initRemoteMachine(ctx context.Context, opts InitClusterOptions)
}
}
// Check machine meets all necessary system requirements before proceeding.
checkResp, err := machineClient.CheckPrerequisites(ctx, &emptypb.Empty{})
// TODO(lhf): remove Unimplemented check when v0.9.0 is released.
if err != nil {
if status.Convert(err).Code() != codes.Unimplemented {
return nil, fmt.Errorf("check machine prerequisites: %w", err)
}
} else if !checkResp.Satisfied {
return nil, fmt.Errorf("machine prerequisites not satisfied: %s", checkResp.Error)
}
req := &pb.InitClusterRequest{
MachineName: opts.MachineName,
Network: pb.NewIPPrefix(opts.Network),
@@ -275,6 +287,17 @@ func (cli *CLI) AddMachine(ctx context.Context, opts AddMachineOptions) (*client
}
}
// Check machine meets all necessary system requirements before proceeding.
checkResp, err := machineClient.CheckPrerequisites(ctx, &emptypb.Empty{})
// TODO(lhf): remove Unimplemented check when v0.9.0 is released.
if err != nil {
if status.Convert(err).Code() != codes.Unimplemented {
return nil, fmt.Errorf("check machine prerequisites: %w", err)
}
} else if !checkResp.Satisfied {
return nil, fmt.Errorf("machine prerequisites not satisfied: %s", checkResp.Error)
}
tokenResp, err := machineClient.Token(ctx, &emptypb.Empty{})
if err != nil {
return nil, fmt.Errorf("get remote machine token: %w", err)