129 lines
4.1 KiB
Go
129 lines
4.1 KiB
Go
// Copyright (c) All respective contributors to the Peridot Project. All rights reserved.
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// Copyright (c) 2021-2022 Rocky Enterprise Software Foundation, Inc. All rights reserved.
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// Copyright (c) 2021-2022 Ctrl IQ, Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors
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// may be used to endorse or promote products derived from this software without
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// specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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package workflow
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import (
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"context"
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"crypto/sha256"
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"encoding/base64"
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"encoding/hex"
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"go.temporal.io/sdk/activity"
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"go.temporal.io/sdk/temporal"
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"go.temporal.io/sdk/workflow"
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"peridot.resf.org/peridot/db/models"
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peridotpb "peridot.resf.org/peridot/pb"
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"strings"
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"time"
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)
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func (c *Controller) LookasideFileUploadWorkflow(ctx workflow.Context, req *peridotpb.LookasideFileUploadRequest, task *models.Task) (*peridotpb.LookasideFileUploadTask, error) {
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ret := &peridotpb.LookasideFileUploadTask{}
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deferTask, errorDetails, err := c.commonCreateTask(task, ret)
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defer deferTask()
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if err != nil {
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return nil, err
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}
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task.Status = peridotpb.TaskStatus_TASK_STATUS_FAILED
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uploadTaskQueue, cleanupWorker, err := c.provisionWorker(ctx, &ProvisionWorkerRequest{
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TaskId: task.ID.String(),
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ParentTaskId: task.ParentTaskId,
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Purpose: "lookaside",
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Arch: "noarch",
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})
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if err != nil {
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setInternalError(errorDetails, err)
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return nil, err
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}
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defer cleanupWorker()
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uploadCtx := workflow.WithActivityOptions(ctx, workflow.ActivityOptions{
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StartToCloseTimeout: time.Hour,
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HeartbeatTimeout: 20 * time.Second,
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TaskQueue: uploadTaskQueue,
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RetryPolicy: &temporal.RetryPolicy{
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MaximumAttempts: 1,
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},
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})
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err = workflow.ExecuteActivity(uploadCtx, c.LookasideFileUploadActivity, req, task.ID.String()).Get(ctx, ret)
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if err != nil {
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setActivityError(errorDetails, err)
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return nil, err
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}
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task.Status = peridotpb.TaskStatus_TASK_STATUS_SUCCEEDED
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return ret, nil
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}
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func (c *Controller) LookasideFileUploadActivity(ctx context.Context, req *peridotpb.LookasideFileUploadRequest, taskID string) (*peridotpb.LookasideFileUploadTask, error) {
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go func() {
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for {
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activity.RecordHeartbeat(ctx)
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time.Sleep(4 * time.Second)
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}
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}()
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base64DecodedFile, err := base64.StdEncoding.DecodeString(req.File)
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if err != nil {
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return nil, err
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}
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hasher := sha256.New()
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_, err = hasher.Write(base64DecodedFile)
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if err != nil {
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return nil, err
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}
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sha256Sum := hex.EncodeToString(hasher.Sum(nil))
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exists, err := c.storage.Exists(sha256Sum)
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if err != nil {
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if !strings.Contains(err.Error(), "NotFound") {
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return nil, err
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}
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}
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if exists {
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return &peridotpb.LookasideFileUploadTask{
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Digest: sha256Sum,
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}, nil
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}
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_, err = c.storage.PutObjectBytes(sha256Sum, base64DecodedFile)
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if err != nil {
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return nil, err
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}
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return &peridotpb.LookasideFileUploadTask{
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Digest: sha256Sum,
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}, nil
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}
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