jets3t-synchronize - Online in the Cloud

PROGRAM:

NAME

jets3t-synchronize - synchronize local directories with an Amazon S3 account

SYNOPSIS

Synchronize the contents of a local directory with S3:
jets3t-synchronize [options] UP <S3path> <path1> [[path2] .. [pathN]]

Synchronize the contents of S3 with a local directory:
jets3t-synchronize [options] DOWN <S3path> <download_dir>

OVERVIEW

jets3t-synchronize is a console (text mode) Java application for synchronizing directories
on a computer with an Amazon S3 account.

OPTIONS

-h, --help
Displays a brief summary with all options.

-n, --noaction
No action taken. No files will be changed locally or on S3, instead a report will be
generating showing what will happen if the command is run without the -n option.

-q, --quiet
Runs quietly, without reporting on each action performed or displaying progress
messages. The summary is still displayed.

-p, --noprogress
Runs somewhat quietly, without displaying progress messages. The action report and
overall summary are still displayed.

-f, --force
Force tool to perform synchronization even when files are up-to-date. This may be
useful if you need to update metadata or timestamps in S3.

-k, --keepfiles
Keep outdated files on destination instead of reverting/removing them. This option
cannot be used with --nodelete.

-d, --nodelete
Keep files on destination that have been removed from the source. This option is similar
to --keepfiles except that files may be reverted. This option cannot be used with
--keepfiles.

-m, --move
Move items rather than merely copying them. Files on the local computer will be deleted
after they have been uploaded to S3, or objects will be deleted from S3 after they have
been downloaded. Be *very* careful with this option. This option cannot be used with
--keepfiles.

-b, --batch
Download or upload files in batches, rather than all at once. Enabling this option will
reduce the memory required to synchronize large buckets, and will ensure file transfers
commence as soon as possible. When this option is enabled, the progress status lines
refer only to the progress of a single batch.

-s, --skipmetadata
Skip the retrieval of object metadata information from S3. This will make the synch
process much faster for large buckets, but it will leave jets3t-synchronize with less
information to make decisions. If this option is enabled, empty files or directories
will not be synchronized reliably. This option cannot be used with the --gzip or
--crypto options.

-g, --gzip
Compress (GZip) files when backing up and decompress gzipped files when restoring.

-c, --crypto
Encrypt files when backing up and decrypt encrypted files when restoring. If this option
is specified the properties must contain a password.

--properties filename
Load the synchronizer app properties from the given file rather than from a
synchronizer.properties file in the classpath.

--credentials filename
Load your AWS credentials from an encrypted file, rather than from the
synchronizer.properties file. This encrypted file can be created using the Cockpit
application, or the JetS3t API library.

--acl ACL_string
Specifies the Access Control List setting to apply. This value must be one of: PRIVATE,
PUBLIC_READ, PUBLIC_READ_WRITE. This setting will override any acl property specified in
the synchronize.properties file

--reportlevel level
A number that specifies how much report information will be printed:

0 - no report items will be printed (the summary will still be printed).

1 - only actions are reported

[Prefixes N, U, D, R, F, M]

2 - differences & actions are reported

[Prefixes N, U, D, R, F, M, d, r]

3 - DEFAULT: all items are reported

[Prefixes N, U, D, R, F, M, d, r, -]

NOTES

Required properties can be provided via: a file named synchronize.properties in the
classpath (or /etc/jets3t/synchronize.properties), a file specified with the --properties
option, or by typing them in when prompted on the command line. Required properties are:

accesskey: Your AWS Access Key (Required)
secretkey: Your AWS Secret Key (Required)
password: Encryption password (only required when using crypto)

Properties specified in this file will override those in jets3t.properties (or in
/etc/jets3t/jets3t.properties).

REPORT

Report items are printed on a single line with an action flag followed by the relative
path of the file or S3 object. The report legend follows:

N: A new file/object will be created

U: An existing file/object has changed and will be updated

D: A file/object existing on the target does not exist on the source and will be deleted.

d: A file/object existing on the target does not exist on the source but because the
--keepfiles or --nodelete option was set it was not deleted.

R: An existing file/object has changed more recently on the target than on the source. The
target version will be reverted to the older source version

r: An existing file/object has changed more recently on the target than on the source but
because the --keepfiles option was set it was not reverted.

-: A file is identical between the local system and S3, no action is necessary.

F: A file identical locally and in S3 was updated due to the Force option.

M: The file/object will be moved (deleted after it has been copied to/from S3).

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