文件列表:

BINARY-RELEASE-MANAGEMENT.md (6733, 2016-08-02)
BLAKE2-and-Scalability.md (3218, 2016-08-02)
BLAKE2.md (11365, 2016-08-02)
CONTRIBUTING.md (1913, 2016-08-02)
LICENSE (11358, 2016-08-02)
NOTICE (369, 2016-08-02)
USECASES.md (2138, 2016-08-02)
cmd (0, 2016-08-02)
cmd\add.go (1876, 2016-08-02)
cmd\cat.go (1284, 2016-08-02)
cmd\clone.go (3248, 2016-08-02)
cmd\commit.go (1642, 2016-08-02)
cmd\init.go (2196, 2016-08-02)
cmd\log.go (1889, 2016-08-02)
cmd\ls.go (1207, 2016-08-02)
cmd\pull.go (1703, 2016-08-02)
cmd\push.go (1619, 2016-08-02)
cmd\remote.go (2669, 2016-08-02)
cmd\root.go (2371, 2016-08-02)
cmd\snapshot.go (4419, 2016-08-02)
cmd\status.go (1371, 2016-08-02)
cmd\sum.go (1006, 2016-08-02)
main.go (2042, 2016-08-02)

s3git: git for Cloud Storage
(or Version Control for Data) ============================================================== [](https://gitter.im/s3git/s3git?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) s3git applies the git philosophy to Cloud Storage. If you know git, you will know how to use s3git! s3git is a simple CLI tool that allows you to create a *distributed*, *decentralized* and *versioned* repository. It scales limitlessly to 100s of millions of files and PBs of storage and stores your data safely in S3. Yet huge repos can be cloned on the SSD of your laptop for making local changes, committing and pushing back. Exactly like git, s3git does not require any server-side components, just download and run the executable. It imports the golang package [s3git-go](https://github.com/s3git/s3git-go) that can be used from other applications as well. Or see the [Python module](https://github.com/s3git/s3git-py) or [Ruby gem](https://github.com/s3git/s3git-rb). Use cases for s3git ------------------- - Build and Release Management (see [example](https://github.com/s3git/s3git/blob/master/BINARY-RELEASE-MANAGEMENT.md) with all Kubernetes releases). - DevOps Scenarios - Data Consolidation - Analytics - Photo and Video storage See [use cases](https://github.com/s3git/s3git/blob/master/USECASES.md) for a detailed description of these use cases. Download binaries ----------------- **DISCLAIMER: These are PRE-RELEASE binaries -- use at your own peril for now** ### OSX Download `s3git` from [https://github.com/s3git/s3git/releases/download/v0.9.2/s3git-darwin-amd***](https://github.com/s3git/s3git/releases/download/v0.9.2/s3git-darwin-amd***) ```sh $ mkdir s3git && cd s3git $ wget -q -O s3git https://github.com/s3git/s3git/releases/download/v0.9.2/s3git-darwin-amd*** $ chmod +x s3git $ export PATH=$PATH:${PWD} # Add current dir where s3git has been downloaded to $ s3git ``` ### Linux Download `s3git` from [https://github.com/s3git/s3git/releases/download/v0.9.2/s3git-linux-amd***](https://github.com/s3git/s3git/releases/download/v0.9.2/s3git-linux-amd***) ```sh $ mkdir s3git && cd s3git $ wget -q -O s3git https://github.com/s3git/s3git/releases/download/v0.9.2/s3git-linux-amd*** $ chmod +x s3git $ export PATH=$PATH:${PWD} # Add current dir where s3git has been downloaded to $ s3git ``` ### Windows Download `s3git.exe` from [https://github.com/s3git/s3git/releases/download/v0.9.1/s3git.exe](https://github.com/s3git/s3git/releases/download/v0.9.1/s3git.exe) ``` C:\Users\Username\Downloads> s3git.exe ``` Building from source -------------------- Build instructions are as follows (see [install golang](https://docs.minio.io/docs/how-to-install-golang) for setting up a working golang environment): ```sh $ go get -d github.com/s3git/s3git $ cd $GOPATH/src/github.com/s3git/s3git $ go install $ s3git ``` BLAKE2 Tree Hashing and Storage Format -------------------------------------- Read [here](https://github.com/s3git/s3git/blob/master/BLAKE2.md) how s3git uses the BLAKE2 Tree hashing mode for both [deduplicated](https://github.com/s3git/s3git/blob/master/BLAKE2.md#deduplicated) and [hydrated](https://github.com/s3git/s3git/blob/master/BLAKE2.md#hydrated) storage (and [here](https://github.com/s3git/s3git/blob/master/BLAKE2-and-Scalability.md) for info for BLAKE2 at scale). Example workflow ---------------- Here is a simple workflow to create a new repository and populate it with some data: ```sh $ mkdir s3git-repo && cd s3git-repo $ s3git init Initialized empty s3git repository in ... $ # Just stream in some text $ echo "hello s3git" | s3git add Added: 18e622875a89cede0d7019b2c8afecf8928c21eac18ec51e38a8e6b829b82c3ef306dec34227929fa77b1c7c329b3d4e50ed9e72dc4dc885be0932d3f28d7053 $ # Add some more files $ s3git add "*.mp4" $ # Commit and log $ s3git commit -m "My first commit" $ s3git log --pretty ``` Push to cloud storage --------------------- ```sh $ # Add remote back end and push to it $ s3git remote add "primary" -r s3://s3git-playground -a "AKIAJYNT4FCBFWDQPERQ" -s "OVcWH7ZREUGhZJJAqMq4GVaKDKGW6XyKl80qYvkW" $ s3git push $ # Read back content $ s3git cat 18e6 hello s3git ``` _Note: Do not store any important info in the s3git-playground bucket. It will be auto-deleted within 24-hours._ Directory versioning -------------------- You can also use s3git for directory versioning. This allows you to 'capture' changes coherently all the way down from a directory and subsequently go back to previous versions of the *full state of the directory* (and not just any file). Think of it as a Time Machine for directories instead of individual files. So instead of 'saving' a directory by making a full copy into 'MyFolder-v2' (and 'MyFolder-v3', etc.) you capture the state of a directory and give it a meaningful message ("Changed color to red") as version so it is always easy to go back to the version you are looking for. In addition you can discard any uncommitted changes that you made and go back to the last version that you have captured, which basically means you can (after committing) mess around in a directory and then be rest assured that you can always go back to its original state. If you push your repository into the cloud then you will have an automatic backup and additionally you can easily collaborate with other people. Lastly, it works of course with huge binary data too, so not just for text files as in the following 'demo' example: ```sh $ mkdir dir-versioning && cd dir-versioning $ s3git init . $ # Just create a single file $ echo "First line" > text.txt && ls -l -rw-rw-r-- 1 ec2-user ec2-user 11 May 25 09:06 text.txt $ # $ # Create initial snapshot $ s3git snapshot create -m "Initial snapshot" . $ # Add new line to initial file and create another file $ echo "Second line" >> text.txt && echo "Another file" > text2.txt && ls -l -rw-rw-r-- 1 ec2-user ec2-user 23 May 25 09:08 text.txt -rw-rw-r-- 1 ec2-user ec2-user 13 May 25 09:08 text2.txt $ s3git snapshot status . New: /home/ec2-user/dir-versioning/text2.txt Modified: /home/ec2-user/dir-versioning/text.txt $ # $ # Create second snapshot $ s3git snapshot create -m "Second snapshot" . $ s3git log --pretty 3a4c34662***904fed3d52a1744fb1865b21beae1a79e374660aa231e889de41191009afb4795b61fdba9c156 Second snapshot 77a8e16***53a7480c9a738c293478c9923532f56fcd02e3276142a1a29ac7f0006b5dff65d5ca245255f09fa Initial snapshot $ more text.txt First line Second line $ more text2.txt Another file $ # $ # Go back one version in time $ s3git snapshot checkout . HEAD^ $ more text.txt First line $ more text2.txt text2.txt: No such file or directory $ # $ # Switch back to latest revision $ s3git snapshot checkout . $ more text2.txt Another file ``` Note that snapshotting works for all files in the directory including any subdirectories. Click the following link for a more elaborate repository that includes all releases of the [Kubernetes](https://github.com/s3git/s3git/blob/master/BINARY-RELEASE-MANAGEMENT.md) project. Clone the YFCC100M dataset -------------------------- Clone a large repo with 100 million files totaling 11.5 TB in size ([Multimedia Commons](http://aws.amazon.com/public-data-sets/multimedia-commons/)), yet requiring only 7 GB local disk space. _(Note that this takes about **7 minutes** on an SSD-equipped MacBook Pro with 500 Mbit/s download connection so for less powerful hardware you may want to skip to the next section (or if you lack 7 GB local disk space, try a `df -h .` first). Then again it is quite a few files...)_ ```sh $ s3git clone s3://s3git-100m -a "AKIAI26TSIF6JIMMDSPQ" -s "5NvshAhI0KMz5Gbqkp7WNqXYlnjBjkf9IaJD75x7" Cloning into ... Done. Totaling 97,974,749 objects. $ cd s3git-100m $ # List all files starting with '123456' $ s3git ls 123456 12345***9755b9f489df2470838a76c9df1d4ee85e8***b15cf328441bd12fdfc23d5b95f8abffb9406f4cdf05306b082d3773f0f05090766272e2e8c8b8df5997 123456629a711c83c28dc63f0bc77ca597c695a19e4***334a68e4236db18df84a2cdd9***180ab2fcf04cbacd0f26eb345e09e6f9c6957a8fb069d558cadf287e 123456675eaecb4a2***4f2849d3b8c53e55dd76102a2093cbca3e61668a3dd4e8f148a32c41235ab01e70003d4262ead484d9158803a1f8d74e6acad37a7a296 123456e6c21c054744742d482960353f586e16d33384f7c42373b908f7a7bd08b18768d429e01a0070fadc2c037ef83eef27453fc96d1625e704dd62931be2d1 $ s3git cat cafebad > olympic.jpg $ # List and count total nr of files $ s3git ls | wc -l 97974749 ``` Fork that repo -------------- Below is an example for `alice` and `bob` working together on a repository. ```sh $ mkdir alice && cd alice alice $ s3git clone s3://s3git-spoon-knife -a "AKIAJYNT4FCBFWDQPERQ" -s "OVcWH7ZREUGhZJJAqMq4GVaKDKGW6XyKl80qYvkW" Cloning into .../alice/s3git-spoon-knife Done. Totaling 0 objects. alice $ cd s3git-spoon-knife alice $ # add a file filled with zeros alice $ dd if=/dev/zero count=1 | s3git add Added: 3ad6df690177a56092cb1ac7e9690dcabcac23cf10fee594030c7075ccd9c5e38adbaf58103cf573b156d114452b94aa79b***0d9413331e22a8c95aa6fb60f4e alice $ # add 9 more files (with random content) alice $ for n in {1..9}; do dd if=/dev/urandom count=1 | s3git add; done alice $ # commit alice $ s3git commit -m "Commit from alice" alice $ # and push alice $ s3git push ``` Clone it again as `bob` on a different computer/different directory/different universe: ```sh $ mkdir bob && cd bob bob $ s3git clone s3://s3git-spoon-knife -a "AKIAJYNT4FCBFWDQPERQ" -s "OVcWH7ZREUGhZJJAqMq4GVaKDKGW6XyKl80qYvkW" Cloning into .../bob/s3git-spoon-knife Done. Totaling 10 objects. bob $ cd s3git-spoon-knife bob $ # Check if we can access our empty file bob $ s3git cat 3ad6 | hexdump 00000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 * 00000200 bob $ # add another 10 files bob $ for n in {1..10}; do dd if=/dev/urandom count=1 | s3git add; done bob $ # commit bob $ s3git commit -m "Commit from bob" bob $ # and push back bob $ s3git push ``` Switch back to `alice` again to pull the new content: ```sh alice $ s3git pull Done. Totaling 20 objects. alice $ s3git log --pretty 3f67a4789e2a820546745c6fa40307aa490b7167f7de770f118900a28e6afe8d3c3ec8d170a19977cf415d6b6c5acb78d7595c825b39f7c8b20b471a84cfbee0 Commit from bob a48cf36af2211e350ec2b05c***e9e3e63439acd1e9e01a8cb2b46e0e0d65f1625239bd1f89ab33771c485f3e6f1d67f119566523a1034e06adc89408a74c4bb3 Commit from alice ``` _Note: Do not store any important info in the s3git-spoon-knife bucket. It will be auto-deleted within 24-hours._ Here is an nice screen recording: [](https://asciinema.org/a/40210) Happy forking! You may be wondering about concurrent behaviour from Integration with Minio ---------------------- Instead of S3 you can happily use the [Minio](https://github.com/minio/minio) server, for example the public server at https://play.minio.io:9000. Just make sure you have a bucket created using [mc](https://github.com/minio/mc) (example below uses `s3git-test`): ```sh $ mkdir minio-test && cd minio-test $ s3git init $ s3git remote add "primary" -r s3://s3git-test -a "Q3AM3UQ867SPQQA43P2F" -s "zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG" -e "https://play.minio.io:9000" $ echo "hello minio" | s3git add Added: c7bb516db796df8dcc824aec05db911031ab3ac1e5ff847838065eeeb52d4410b4d57f8df2e55d14af0b7b1d28362de1176cd51892d7cbcaaefb2cd3f616342f $ s3git commit -m "Commit for minio test" $ s3git push Pushing 1 / 1 [==============================================================================================================================] 100.00 % 0 ``` and clone it ```sh $ s3git clone s3://s3git-test -a "Q3AM3UQ867SPQQA43P2F" -s "zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG" -e "https://play.minio.io:9000" Cloning into .../s3git-test Done. Totaling 1 object. $ cd s3git-test/ $ s3git ls c7bb516db796df8dcc824aec05db911031ab3ac1e5ff847838065eeeb52d4410b4d57f8df2e55d14af0b7b1d28362de1176cd51892d7cbcaaefb2cd3f616342f $ s3git cat c7bb hello minio $ s3git log --pretty 6eb708ec7dfd75d9d6a063e2febf16bab3c7a163e203fc677c8a9178889bac012d6b3fcda56b1eb160b1be7fa56eb08***5422ed879f220d42a0e6ec80c5735ea Commit for minio test ``` Contributions ------------- Contributions are welcome! Please see [`CONTRIBUTING.md`](CONTRIBUTING.md). Key features ------------ * **Easy:** Use a workflow and syntax that you already know and love * **Fast:** Lightning fast operation, especially on large files and huge repositories * **Infinite scalability:** Stop worrying about maximum repository sizes and have the ability to grow indefinitely * **Work from local SSD:** Make a huge cloud disk appear like a local drive * **Instant sync:** Push local changes and pull down instantly on other clones * **Versioning:** Keep previous versions safe and have the ability to undo or go back in time * **Forking:** Ability to make many variants by forking * **Verifiable:** Be sure that you have everything and be tamper-proof (“data has not been messed with”) * **Deduplication:** Do not store the same data twice * **Simplicity:** Simple by design and provide one way to accomplish tasks Command Line Help ----------------- ``` $ s3git help s3git applies the git philosophy to Cloud Storage. If you know git, you will know how to use s3git. s3git is a simple CLI tool that allows you to create a distributed, decentralized and versioned repository. It scales limitlessly to 100s of millions of files and PBs of storage and stores your data safely in S3. Yet huge repos can be cloned on the SSD of your laptop for making local changes, committing and pushing back. Usage: s3git [command] Available Commands: add Add stream or file(s) to the repository cat Read a file from the repository clone Clone a repository into a new directory commit Commit the changes in the repository init Create an empty repository log Show commit log ls List files in the repository pull Update local repository push Update remote repositories remote Manage remote repositories snapshot Manage snapshots status Show changes in repository Flags: -h, --help[=false]: help for s3git Use "s3git [command] --help" for more information about a command. ``` License ------- s3git is released under the Apache License v2.0. You can find the complete text in the file LICENSE. FAQ --- **Q** Is s3git compatible to git at the binary level? **A** No. git is optimized for text content with very nice and powerful diffing and using compressed storage whereas s3git is more focused on large repos with primarily non-text blobs backed up by cloud storage like S3. **Q** Do you support encryption? **A** No. However it is trivial to encrypt data before streaming into `s3git add`, eg pipe it through `openssl enc` or similar. **Q** Do you support zipping? **A** No. Again it is trivial to zip it before streaming into `s3git add`, eg pipe it through `zip -r - .` or similar. **Q** Why don't you provide a FUSE interface? **A** Supporting FUSE would mean introducing a lot of complexity related to POSIX which we would rather avoid.

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