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本繁體中文版使用機器翻譯，譯文僅供參考，若與英文版本牴觸，應以英文版本為準。

將Google Cloud上的影像轉換成原始格式

貢獻者
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用於部署新執行個體、升級或用於現有映像的映像、將透過與用戶端共用 "The》（NSS）NetApp 支援網站"。已簽署的摘要及憑證將可透過NSS入口網站下載。請確定您下載的摘要和憑證是與NetApp支援部門共用的映像相對應的適當版本。例如、9.13.0映像會有9.13.0簽署的摘要和證書、可在NSS上取得。

為何需要此步驟？

無法直接從Google Cloud下載影像。若要根據簽署的摘要和憑證來驗證映像、您需要有機制來比較這兩個檔案並下載映像。若要這麼做、您必須將映像匯出/轉換成磁碟.RAW格式、並將結果儲存在Google Cloud的儲存庫中。磁碟.RAW檔案會在處理過程中產生損及壓縮。

使用者/服務帳戶需要權限才能執行下列作業：

  • 存取Google儲存庫

  • 寫入Google Storage儲存區

  • 建立雲端建置工作（在匯出程序期間使用）

  • 存取所需的映像

  • 建立匯出映像工作

若要驗證映像、必須先將其轉換成磁碟.RAW格式、然後再下載。

使用Google Cloud命令列匯出Google Cloud映像

將映像匯出至雲端儲存設備的首選方法是使用 "gCloud運算映像匯出命令"。此命令會取得所提供的映像、並將其轉換成磁碟.原始 檔案、並取得tar和gzipped。產生的檔案會儲存在目的地URL、然後下載以供驗證。

使用者/帳戶必須擁有存取及寫入所需儲存區、匯出映像及雲端建置（Google用於匯出映像）的權限、才能執行此作業。

使用gCloud匯出Google Cloud映像

按一下以顯示 
$ gcloud compute images export \
    --destination-uri DESTINATION_URI \
    --image IMAGE_NAME

# For our example:
$ gcloud compute images export \
    --destination-uri gs://vsa-dev-bucket1/example-user-exportimage-gcp-demo \
    --image example-user-20230120115139


## DEMO ##
# Step 1 - Optional: Checking access and listing objects in the destination bucket
$ gsutil ls gs://example-user-export-image-bucket/

# Step 2 - Exporting the desired image to the bucket
$ gcloud compute images export --image example-user-export-image-demo --destination-uri gs://example-user-export-image-bucket/export-demo.tar.gz
Created [https://cloudbuild.googleapis.com/v1/projects/example-demo-project/locations/us-central1/builds/xxxxxxxxxxxx].
Logs are available at [https://console.cloud.google.com/cloud-build/builds;region=us-central1/xxxxxxxxxxxx?project=xxxxxxxxxxxx].
[image-export]: 2023-01-25T18:13:48Z Fetching image "example-user-export-image-demo" from project "example-demo-project".
[image-export]: 2023-01-25T18:13:49Z Validating workflow
[image-export]: 2023-01-25T18:13:49Z Validating step "setup-disks"
[image-export]: 2023-01-25T18:13:49Z Validating step "image-export-export-disk"
[image-export.image-export-export-disk]: 2023-01-25T18:13:49Z Validating step "setup-disks"
[image-export.image-export-export-disk]: 2023-01-25T18:13:49Z Validating step "run-image-export-export-disk"
[image-export.image-export-export-disk]: 2023-01-25T18:13:50Z Validating step "wait-for-inst-image-export-export-disk"
[image-export.image-export-export-disk]: 2023-01-25T18:13:50Z Validating step "copy-image-object"
[image-export.image-export-export-disk]: 2023-01-25T18:13:50Z Validating step "delete-inst"
[image-export]: 2023-01-25T18:13:51Z Validation Complete
[image-export]: 2023-01-25T18:13:51Z Workflow Project: example-demo-project
[image-export]: 2023-01-25T18:13:51Z Workflow Zone: us-central1-c
[image-export]: 2023-01-25T18:13:51Z Workflow GCSPath: gs://example-demo-project-example-bkt-us/
[image-export]: 2023-01-25T18:13:51Z Example scratch path: https://console.cloud.google.com/storage/browser/example-demo-project-example-bkt-us/example-image-export-20230125-18:13:49-r88px
[image-export]: 2023-01-25T18:13:51Z Uploading sources
[image-export]: 2023-01-25T18:13:51Z Running workflow
[image-export]: 2023-01-25T18:13:51Z Running step "setup-disks" (CreateDisks)
[image-export.setup-disks]: 2023-01-25T18:13:51Z CreateDisks: Creating disk "disk-image-export-image-export-r88px".
[image-export]: 2023-01-25T18:14:02Z Step "setup-disks" (CreateDisks) successfully finished.
[image-export]: 2023-01-25T18:14:02Z Running step "image-export-export-disk" (IncludeWorkflow)
[image-export.image-export-export-disk]: 2023-01-25T18:14:02Z Running step "setup-disks" (CreateDisks)
[image-export.image-export-export-disk.setup-disks]: 2023-01-25T18:14:02Z CreateDisks: Creating disk "disk-image-export-export-disk-image-export-image-export--r88px".
[image-export.image-export-export-disk]: 2023-01-25T18:14:02Z Step "setup-disks" (CreateDisks) successfully finished.
[image-export.image-export-export-disk]: 2023-01-25T18:14:02Z Running step "run-image-export-export-disk" (CreateInstances)
[image-export.image-export-export-disk.run-image-export-export-disk]: 2023-01-25T18:14:02Z CreateInstances: Creating instance "inst-image-export-export-disk-image-export-image-export--r88px".
[image-export.image-export-export-disk]: 2023-01-25T18:14:08Z Step "run-image-export-export-disk" (CreateInstances) successfully finished.
[image-export.image-export-export-disk.run-image-export-export-disk]: 2023-01-25T18:14:08Z CreateInstances: Streaming instance "inst-image-export-export-disk-image-export-image-export--r88px" serial port 1 output to https://storage.cloud.google.com/example-demo-project-example-bkt-us/example-image-export-20230125-18:13:49-r88px/logs/inst-image-export-export-disk-image-export-image-export--r88px-serial-port1.log
[image-export.image-export-export-disk]: 2023-01-25T18:14:08Z Running step "wait-for-inst-image-export-export-disk" (WaitForInstancesSignal)
[image-export.image-export-export-disk.wait-for-inst-image-export-export-disk]: 2023-01-25T18:14:08Z WaitForInstancesSignal: Instance "inst-image-export-export-disk-image-export-image-export--r88px": watching serial port 1, SuccessMatch: "ExportSuccess", FailureMatch: ["ExportFailed:"] (this is not an error), StatusMatch: "GCEExport:".
[image-export.image-export-export-disk.wait-for-inst-image-export-export-disk]: 2023-01-25T18:14:29Z WaitForInstancesSignal: Instance "inst-image-export-export-disk-image-export-image-export--r88px": StatusMatch found: "GCEExport: <serial-output key:'source-size-gb' value:'10'>"
[image-export.image-export-export-disk.wait-for-inst-image-export-export-disk]: 2023-01-25T18:14:29Z WaitForInstancesSignal: Instance "inst-image-export-export-disk-image-export-image-export--r88px": StatusMatch found: "GCEExport: Running export tool."
[image-export.image-export-export-disk.wait-for-inst-image-export-export-disk]: 2023-01-25T18:14:29Z WaitForInstancesSignal: Instance "inst-image-export-export-disk-image-export-image-export--r88px": StatusMatch found: "GCEExport: Disk /dev/sdb is 10 GiB, compressed size will most likely be much smaller."
[image-export.image-export-export-disk.wait-for-inst-image-export-export-disk]: 2023-01-25T18:14:29Z WaitForInstancesSignal: Instance "inst-image-export-export-disk-image-export-image-export--r88px": StatusMatch found: "GCEExport: Beginning export process..."
[image-export.image-export-export-disk.wait-for-inst-image-export-export-disk]: 2023-01-25T18:14:29Z WaitForInstancesSignal: Instance "inst-image-export-export-disk-image-export-image-export--r88px": StatusMatch found: "GCEExport: Copying \"/dev/sdb\" to gs://example-demo-project-example-bkt-us/example-image-export-20230125-18:13:49-r88px/outs/image-export-export-disk.tar.gz."
[image-export.image-export-export-disk.wait-for-inst-image-export-export-disk]: 2023-01-25T18:14:29Z WaitForInstancesSignal: Instance "inst-image-export-export-disk-image-export-image-export--r88px": StatusMatch found: "GCEExport: Using \"/root/upload\" as the buffer prefix, 1.0 GiB as the buffer size, and 4 as the number of workers."
[image-export.image-export-export-disk.wait-for-inst-image-export-export-disk]: 2023-01-25T18:14:29Z WaitForInstancesSignal: Instance "inst-image-export-export-disk-image-export-image-export--r88px": StatusMatch found: "GCEExport: Creating gzipped image of \"/dev/sdb\"."
[image-export.image-export-export-disk.wait-for-inst-image-export-export-disk]: 2023-01-25T18:14:29Z WaitForInstancesSignal: Instance "inst-image-export-export-disk-image-export-image-export--r88px": StatusMatch found: "GCEExport: Read 1.0 GiB of 10 GiB (212 MiB/sec), total written size: 992 MiB (198 MiB/sec)"
[image-export.image-export-export-disk.wait-for-inst-image-export-export-disk]: 2023-01-25T18:14:59Z WaitForInstancesSignal: Instance "inst-image-export-export-disk-image-export-image-export--r88px": StatusMatch found: "GCEExport: Read 8.0 GiB of 10 GiB (237 MiB/sec), total written size: 1.5 GiB (17 MiB/sec)"
[image-export.image-export-export-disk.wait-for-inst-image-export-export-disk]: 2023-01-25T18:15:19Z WaitForInstancesSignal: Instance "inst-image-export-export-disk-image-export-image-export--r88px": StatusMatch found: "GCEExport: Finished creating gzipped image of \"/dev/sdb\" in 48.956433327s [213 MiB/s] with a compression ratio of 6."
[image-export.image-export-export-disk.wait-for-inst-image-export-export-disk]: 2023-01-25T18:15:19Z WaitForInstancesSignal: Instance "inst-image-export-export-disk-image-export-image-export--r88px": StatusMatch found: "GCEExport: Finished export in  48.957347731s"
[image-export.image-export-export-disk.wait-for-inst-image-export-export-disk]: 2023-01-25T18:15:19Z WaitForInstancesSignal: Instance "inst-image-export-export-disk-image-export-image-export--r88px": StatusMatch found: "GCEExport: <serial-output key:'target-size-gb' value:'2'>"
[image-export.image-export-export-disk.wait-for-inst-image-export-export-disk]: 2023-01-25T18:15:19Z WaitForInstancesSignal: Instance "inst-image-export-export-disk-image-export-image-export--r88px": SuccessMatch found "ExportSuccess"
[image-export.image-export-export-disk]: 2023-01-25T18:15:19Z Step "wait-for-inst-image-export-export-disk" (WaitForInstancesSignal) successfully finished.
[image-export.image-export-export-disk]: 2023-01-25T18:15:19Z Running step "copy-image-object" (CopyGCSObjects)
[image-export.image-export-export-disk]: 2023-01-25T18:15:19Z Running step "delete-inst" (DeleteResources)
[image-export.image-export-export-disk.delete-inst]: 2023-01-25T18:15:19Z DeleteResources: Deleting instance "inst-image-export-export-disk".
[image-export.image-export-export-disk]: 2023-01-25T18:15:19Z Step "copy-image-object" (CopyGCSObjects) successfully finished.
[image-export.image-export-export-disk]: 2023-01-25T18:15:34Z Step "delete-inst" (DeleteResources) successfully finished.
[image-export]: 2023-01-25T18:15:34Z Step "image-export-export-disk" (IncludeWorkflow) successfully finished.
[image-export]: 2023-01-25T18:15:34Z Serial-output value -> source-size-gb:10
[image-export]: 2023-01-25T18:15:34Z Serial-output value -> target-size-gb:2
[image-export]: 2023-01-25T18:15:34Z Workflow "image-export" cleaning up (this may take up to 2 minutes).
[image-export]: 2023-01-25T18:15:35Z Workflow "image-export" finished cleanup.

# Step 3 - Validating the image was successfully exported
$ gsutil ls gs://example-user-export-image-bucket/
gs://example-user-export-image-bucket/export-demo.tar.gz


# Step 4 - Download the exported image
$ gcloud storage cp gs://BUCKET_NAME/OBJECT_NAME SAVE_TO_LOCATION

$ gcloud storage cp gs://example-user-export-image-bucket/export-demo.tar.gz CVO_GCP_Signed_Digest.tar.gz
Copying gs://example-user-export-image-bucket/export-demo.tar.gz to file://CVO_GCP_Signed_Digest.tar.gz
  Completed files 1/1 | 1.5GiB/1.5GiB | 185.0MiB/s

Average throughput: 213.3MiB/s
$ ls -l
total 1565036
-rw-r--r-- 1 example-user example-user 1602589949 Jan 25 18:44 CVO_GCP_Signed_Digest.tar.gz

解壓縮檔案

# Extracting files from the digest
$ tar -xf CVO_GCP_Signed_Digest.tar.gz
註 如需如何透過 Google Cloud 匯出影像的詳細資訊、請 "匯出影像的Google Cloud文件"參閱。