From ef85dd7950800fdce9ab58724921507cba31004b Mon Sep 17 00:00:00 2001 From: baude Date: Wed, 6 Feb 2019 09:44:16 -0600 Subject: podman-remote build add the ability to build images using files local to the remote-client but over a varlink interface to a "remote" server. Signed-off-by: baude --- libpod/adapter/runtime_remote.go | 112 ++++++++++++++++++++++++++++++++++++++- 1 file changed, 110 insertions(+), 2 deletions(-) (limited to 'libpod/adapter/runtime_remote.go') diff --git a/libpod/adapter/runtime_remote.go b/libpod/adapter/runtime_remote.go index d0d827582..66ff5ed51 100644 --- a/libpod/adapter/runtime_remote.go +++ b/libpod/adapter/runtime_remote.go @@ -7,19 +7,22 @@ import ( "context" "encoding/json" "fmt" - "github.com/pkg/errors" "io" + "io/ioutil" "os" "strings" "time" + "github.com/containers/buildah/imagebuildah" "github.com/containers/image/docker/reference" "github.com/containers/image/types" "github.com/containers/libpod/cmd/podman/cliconfig" "github.com/containers/libpod/cmd/podman/varlink" "github.com/containers/libpod/libpod" "github.com/containers/libpod/libpod/image" + "github.com/containers/storage/pkg/archive" "github.com/opencontainers/go-digest" + "github.com/pkg/errors" "github.com/sirupsen/logrus" "github.com/varlink/go/varlink" ) @@ -376,6 +379,108 @@ func (r *LocalRuntime) Export(name string, path string) error { // Import implements the remote calls required to import a container image to the store func (r *LocalRuntime) Import(ctx context.Context, source, reference string, changes []string, history string, quiet bool) (string, error) { // First we send the file to the host + tempFile, err := r.SendFileOverVarlink(source) + if err != nil { + return "", err + } + return iopodman.ImportImage().Call(r.Conn, strings.TrimRight(tempFile, ":"), reference, history, changes, true) +} + +func (r *LocalRuntime) Build(ctx context.Context, c *cliconfig.BuildValues, options imagebuildah.BuildOptions, dockerfiles []string) error { + buildOptions := iopodman.BuildOptions{ + AddHosts: options.CommonBuildOpts.AddHost, + CgroupParent: options.CommonBuildOpts.CgroupParent, + CpuPeriod: int64(options.CommonBuildOpts.CPUPeriod), + CpuQuota: options.CommonBuildOpts.CPUQuota, + CpuShares: int64(options.CommonBuildOpts.CPUShares), + CpusetCpus: options.CommonBuildOpts.CPUSetMems, + CpusetMems: options.CommonBuildOpts.CPUSetMems, + Memory: options.CommonBuildOpts.Memory, + MemorySwap: options.CommonBuildOpts.MemorySwap, + ShmSize: options.CommonBuildOpts.ShmSize, + Ulimit: options.CommonBuildOpts.Ulimit, + Volume: options.CommonBuildOpts.Volumes, + } + + buildinfo := iopodman.BuildInfo{ + AdditionalTags: options.AdditionalTags, + Annotations: options.Annotations, + BuildArgs: options.Args, + BuildOptions: buildOptions, + CniConfigDir: options.CNIConfigDir, + CniPluginDir: options.CNIPluginPath, + Compression: string(options.Compression), + DefaultsMountFilePath: options.DefaultMountsFilePath, + Dockerfiles: dockerfiles, + //Err: string(options.Err), + ForceRmIntermediateCtrs: options.ForceRmIntermediateCtrs, + Iidfile: options.IIDFile, + Label: options.Labels, + Layers: options.Layers, + Nocache: options.NoCache, + //Out: + Output: options.Output, + OutputFormat: options.OutputFormat, + PullPolicy: options.PullPolicy.String(), + Quiet: options.Quiet, + RemoteIntermediateCtrs: options.RemoveIntermediateCtrs, + //ReportWriter: + RuntimeArgs: options.RuntimeArgs, + SignaturePolicyPath: options.SignaturePolicyPath, + Squash: options.Squash, + } + // tar the file + logrus.Debugf("creating tarball of context dir %s", options.ContextDirectory) + input, err := archive.Tar(options.ContextDirectory, archive.Uncompressed) + if err != nil { + return errors.Wrapf(err, "unable to create tarball of context dir %s", options.ContextDirectory) + } + + // Write the tarball to the fs + // TODO we might considering sending this without writing to the fs for the sake of performance + // under given conditions like memory availability. + outputFile, err := ioutil.TempFile("", "varlink_tar_send") + if err != nil { + return err + } + defer outputFile.Close() + logrus.Debugf("writing context dir tarball to %s", outputFile.Name()) + + _, err = io.Copy(outputFile, input) + if err != nil { + return err + } + + logrus.Debugf("completed writing context dir tarball %s", outputFile.Name()) + // Send the context dir tarball over varlink. + tempFile, err := r.SendFileOverVarlink(outputFile.Name()) + if err != nil { + return err + } + buildinfo.ContextDir = strings.Replace(tempFile, ":", "", -1) + + reply, err := iopodman.BuildImage().Send(r.Conn, varlink.More, buildinfo) + if err != nil { + return err + } + + for { + responses, flags, err := reply() + if err != nil { + return err + } + for _, line := range responses.Logs { + fmt.Print(line) + } + if flags&varlink.Continues == 0 { + break + } + } + return err +} + +// SendFileOverVarlink sends a file over varlink in an upgraded connection +func (r *LocalRuntime) SendFileOverVarlink(source string) (string, error) { fs, err := os.Open(source) if err != nil { return "", err @@ -385,6 +490,7 @@ func (r *LocalRuntime) Import(ctx context.Context, source, reference string, cha if err != nil { return "", err } + logrus.Debugf("sending %s over varlink connection", source) reply, err := iopodman.SendFile().Send(r.Conn, varlink.Upgrade, "", int64(fileInfo.Size())) if err != nil { return "", err @@ -399,6 +505,7 @@ func (r *LocalRuntime) Import(ctx context.Context, source, reference string, cha if err != nil { return "", err } + logrus.Debugf("file transfer complete for %s", source) r.Conn.Writer.Flush() // All was sent, wait for the ACK from the server @@ -412,7 +519,8 @@ func (r *LocalRuntime) Import(ctx context.Context, source, reference string, cha return "", err } - return iopodman.ImportImage().Call(r.Conn, strings.TrimRight(tempFile, ":"), reference, history, changes, true) + + return tempFile, nil } // GetAllVolumes retrieves all the volumes -- cgit v1.2.3-54-g00ecf