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73 lines
2.6 KiB
Text
73 lines
2.6 KiB
Text
NAME
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gcloud storage hash - calculates hashes on local or cloud files
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SYNOPSIS
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gcloud storage hash URLS [URLS ...] [--additional-headers=HEADER=VALUE]
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[--hex] [--skip-crc32c | --skip-md5]
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[--decryption-keys=[DECRYPTION_KEY,...]] [GCLOUD_WIDE_FLAG ...]
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DESCRIPTION
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Calculates hashes on local or cloud files that can be used to compare with
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"gcloud storage ls -L" output. If a specific hash option is not provided,
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this command calculates all gcloud storage-supported hashes for the file.
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Note that gcloud storage automatically performs hash validation when
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uploading or downloading files, so this command is only needed if you want
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to write a script that separately checks the hash for some reason.
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If you calculate a CRC32C hash for the file without a precompiled
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google-crc32c installation, hashing will be very slow.
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EXAMPLES
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To get the MD5 and CRC32C hash digest of a cloud object in Base64 format:
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$ gcloud storage hash gs://bucket/object
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To get just the MD5 hash digest of a local object in hex format:
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$ gcloud storage hash /dir/object.txt --skip-md5 --hex
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POSITIONAL ARGUMENTS
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URLS [URLS ...]
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Local or cloud URLs of objects to hash.
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FLAGS
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--additional-headers=HEADER=VALUE
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Includes arbitrary headers in storage API calls. Accepts a comma
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separated list of key=value pairs, e.g. header1=value1,header2=value2.
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Overrides the default storage/additional_headers property value for
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this command invocation.
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--hex
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Output hash digests in hex format. By default, digests are displayed in
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base64.
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At most one of these can be specified:
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--skip-crc32c
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Skip CRC32C hash calculation. Useful if command is running slow.
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--skip-md5
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Skip MD5 hash calculation. Useful if command is running slow.
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ENCRYPTION FLAGS
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--decryption-keys=[DECRYPTION_KEY,...]
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A comma-separated list of customer-supplied encryption keys (RFC 4648
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section 4 base64-encoded AES256 strings) that will be used to decrypt
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Cloud Storage objects. Data encrypted with a customer-managed
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encryption key (CMEK) is decrypted automatically, so CMEKs do not need
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to be listed here.
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GCLOUD WIDE FLAGS
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These flags are available to all commands: --access-token-file, --account,
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--billing-project, --configuration, --flags-file, --flatten, --format,
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--help, --impersonate-service-account, --log-http, --project, --quiet,
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--trace-token, --user-output-enabled, --verbosity.
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Run $ gcloud help for details.
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NOTES
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This variant is also available:
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$ gcloud alpha storage hash
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