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In preparation to remove the unnecessary "s3fs"

Browse Source 
directory from the trunk directory.

First do a svn cp of all of the source up to
trunk.  This is supposed to preserve change
history -- we'll see.

The source remains untouched until this gets
worked out.

Also in preparation of bringing in the source
collateral for the debian package into the
repository. I expect that the top level will
look like this:

svn/
   s3fs/
      trunk/
      tags/
      branches/
   dpkg/
      trunk/
      tags/
      branches/


So far that's how it is looking.  I'll be
very careful to ensure integrity of the data.
As a result this may be a multistep process.



git-svn-id: http://s3fs.googlecode.com/svn/trunk@236 df820570-a93a-0410-bd06-b72b767a4274
This commit is contained in:
mooredan@suncup.net 2010-11-13 23:59:23 +00:00
parent 41cf008523
commit e9b8216d21
18 changed files with 3276 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
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1. Randy Rizun <rrizun@gmail.com>
Wrote from scratch the initial version of S3FS.
2. Dan Moore <mooredan@suncup.net>
Patches and improvements.
3. Adrian Petrescu <apetresc@gmail.com>
Converted the project to be autotools-based.

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10
ChangeLog Normal file
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ChangeLog for S3FS
------------------
Version 1.1 -- Mon Oct 18 2010
Dan Moore reopens the project and fixes various issues that had accumulated in the tracker. Adrian Petrescu converts the project to autotools and posts it to GitHub.
Version 1.0 -- 2008
Randy Rizun releases a basic version of S3FS on Google Code.

365
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Defining Variables
==================
Variables not defined in a site shell script can be set in the
environment passed to `configure'. However, some packages may run
configure again during the build, and the customized values of these
variables may be lost. In order to avoid this problem, you should set
them in the `configure' command line, using `VAR=value'. For example:
./configure CC=/usr/local2/bin/gcc
causes the specified `gcc' to be used as the C compiler (unless it is
overridden in the site shell script).
Unfortunately, this technique does not work for `CONFIG_SHELL' due to
an Autoconf bug. Until the bug is fixed you can use this workaround:
CONFIG_SHELL=/bin/bash /bin/bash ./configure CONFIG_SHELL=/bin/bash
`configure' Invocation
======================
`configure' recognizes the following options to control how it
operates.
`--help'
`-h'
Print a summary of all of the options to `configure', and exit.
`--help=short'
`--help=recursive'
Print a summary of the options unique to this package's
`configure', and exit. The `short' variant lists options used
only in the top level, while the `recursive' variant lists options
also present in any nested packages.
`--version'
`-V'
Print the version of Autoconf used to generate the `configure'
script, and exit.
`--cache-file=FILE'
Enable the cache: use and save the results of the tests in FILE,
traditionally `config.cache'. FILE defaults to `/dev/null' to
disable caching.
`--config-cache'
`-C'
Alias for `--cache-file=config.cache'.
`--quiet'
`--silent'
`-q'
Do not print messages saying which checks are being made. To
suppress all normal output, redirect it to `/dev/null' (any error
messages will still be shown).
`--srcdir=DIR'
Look for the package's source code in directory DIR. Usually
`configure' can determine that directory automatically.
`--prefix=DIR'
Use DIR as the installation prefix. *note Installation Names::
for more details, including other options available for fine-tuning
the installation locations.
`--no-create'
`-n'
Run the configure checks, but stop before creating any output
files.
`configure' also accepts some other, not widely useful, options. Run
`configure --help' for more details.

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SUBDIRS=src test

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S3FS-Fuse
S3FS is FUSE (File System in User Space) based solution to mount/unmount an Amazon S3 storage buckets and use system commands with S3 just like it was another Hard Disk.
In order to compile s3fs, You'll need the following requirements:
* Kernel-devel packages (or kernel source) installed that is the SAME version of your running kernel
* LibXML2-devel packages
* CURL-devel packages (or compile curl from sources at: curl.haxx.se/ use 7.15.X)
* GCC, GCC-C++
* pkgconfig
* FUSE (2.7.x)
* FUSE Kernel module installed and running (RHEL 4.x/CentOS 4.x users - read below)
* OpenSSL-devel (0.9.8)
* Subversion
If you're using YUM or APT to install those packages, then it might require additional packaging, allow it to be installed.
Downloading & Compiling:
------------------------
In order to download s3fs, user the following command:
svn checkout http://s3fs.googlecode.com/svn/trunk/ s3fs-read-only
Go inside the directory that has been created (s3fs-read-only/s3fs) and run: ./autogen.sh
This will generate a number of scripts in the project directory, including a configure script which you should run with: ./configure
If configure succeeded, you can now run: make. If it didn't, make sure you meet the dependencies above.
This should compile the code. If everything goes OK, you'll be greated with "ok!" at the end and you'll have a binary file called "s3fs"
in the src/ directory.
As root (you can use su, su -, sudo) do: "make install" -this will copy the "s3fs" binary to /usr/bin.
Congratulations. S3fs is now compiled and installed.
Usage:
------
In order to use s3fs, make sure you have the Access Key and the Secret Key handy.
First, create a directory where to mount the S3 bucket you want to use.
Example (as root): mkdir -p /mnt/s3
Then run: s3fs mybucket -o accessKeyId=aaa -o secretAccessKey=bbb /mnt/s3
This will mount your bucket to /mnt/s3. You can do a simple "ls -l /mnt/s3" to see the content of your bucket.
If you want to allow other people access the same bucket in the same machine, you can add "-o allow _other" to read/write/delete content of the bucket.
You can add a fixed mount point in /etc/fstab, here's an example:
s3fs#mybucket /mnt/s3 fuse allow_other,accessKeyId=XXX ,secretAccessKey=YYY 0 0
This will mount upon reboot (or by launching: mount -a) your bucket on your machine.
All other options can be read at: http://code.google.com/p/s3fs/wiki/FuseOverAmazon
Known Issues:
-------------
s3fs should be working fine with S3 storage. However, There are couple of limitations:
* There is no full UID/GID support yet, everything looks as "root" and if you allow others to access the bucket, others can erase files. There is, however, permissions support built in.
* Currently s3fs could hang the CPU if you have lots of time-outs. This is *NOT* a fault of s3fs but rather libcurl. This happends when you try to copy thousands of files in 1 session, it doesn't happend when you upload hundreds of files or less.
* CentOS 4.x/RHEL 4.x users - if you use the kernel that shipped with your distribution and didn't upgrade to the latest kernel RedHat/CentOS gives, you might have a problem loading the "fuse" kernel. Please upgrade to the latest kernel (2.6.16 or above) and make sure "fuse" kernel module is compiled and loadable since FUSE requires this kernel module and s3fs requires it as well.
* Moving/renaming/erasing files takes time since the whole file needs to be accessed first. A workaround could be to use s3fs's cache support with the use_cache option.

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#! /bin/sh
# This file is part of S3FS.
#
# Copyright 2009, 2010 Free Software Foundation, Inc.
#
# S3FS is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or (at
# your option) any later version.
#
# S3FS is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see http://www.gnu.org/licenses/.
#
# See the file ChangeLog for a revision history.
aclocal \
&& automake --add-missing \
&& autoconf

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dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59)
AC_INIT(s3fs, 1.12)
AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE()
AC_PROG_CXX
PKG_CHECK_MODULES([DEPS], [fuse >= 2.7 libcurl >= 7.0 libxml-2.0 >= 2.6 libcrypto >= 0.9])
AC_CONFIG_FILES(Makefile src/Makefile test/Makefile)
AC_OUTPUT

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bin_PROGRAMS=s3fs
AM_CPPFLAGS = $(DEPS_CFLAGS)
s3fs_SOURCES = s3fs.cpp s3fs.h string_util.cpp string_util.h
s3fs_LDADD = $(DEPS_LIBS)

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#ifndef S3FS_S3_H_
#define S3FS_S3_H_
#define FUSE_USE_VERSION 26
#include <map>
#include <stack>
#include <string>
#include <curl/curl.h>
#include <fuse.h>
#include <openssl/bio.h>
#include <openssl/buffer.h>
#include <openssl/evp.h>
#include <openssl/hmac.h>
#include <openssl/md5.h>
#include <pthread.h>
#include <sys/time.h>
using namespace std;
#define VERIFY(s) if (true) { \
int result = (s); \
if (result != 0) \
return result; \
}
#define Yikes(result) if (true) { \
syslog(LOG_ERR, "%d###result=%d", __LINE__, result); \
return result; \
}
typedef pair<double, double> progress_t;
static long connect_timeout = 2;
static time_t readwrite_timeout = 10;
static stack<CURL*> curl_handles;
static pthread_mutex_t curl_handles_lock;
static map<CURL*, time_t> curl_times;
static map<CURL*, progress_t> curl_progress;
static int retries = 2;
static string bucket;
static string mountpoint;
static string program_name;
static string AWSAccessKeyId;
static string AWSSecretAccessKey;
static string host = "http://s3.amazonaws.com";
static mode_t root_mode = 0;
static string service_path = "/";
static string passwd_file = "";
static bool debug = 0;
// if .size()==0 then local file cache is disabled
static string use_cache;
static string use_rrs;
static string public_bucket;
// TODO(apetresc): make this an enum
// private, public-read, public-read-write, authenticated-read
static string default_acl("private");
// key=path
typedef map<string, struct stat> stat_cache_t;
static stat_cache_t stat_cache;
static pthread_mutex_t stat_cache_lock;
static const char hexAlphabet[] = "0123456789ABCDEF";
// http headers
typedef map<string, string> headers_t;
static const EVP_MD* evp_md = EVP_sha1();
// fd -> flags
typedef map<int, int> s3fs_descriptors_t;
static s3fs_descriptors_t s3fs_descriptors;
static pthread_mutex_t s3fs_descriptors_lock;
static pthread_mutex_t *mutex_buf = NULL;
static struct fuse_operations s3fs_oper;
string urlEncode(const string &s);
static int s3fs_getattr(const char *path, struct stat *stbuf);
static int s3fs_readlink(const char *path, char *buf, size_t size);
static int s3fs_mknod(const char* path, mode_t mode, dev_t rdev);
static int s3fs_mkdir(const char *path, mode_t mode);
static int s3fs_unlink(const char *path);
static int s3fs_rmdir(const char *path);
static int s3fs_symlink(const char *from, const char *to);
static int s3fs_rename(const char *from, const char *to);
static int s3fs_link(const char *from, const char *to);
static int s3fs_chmod(const char *path, mode_t mode);
static int s3fs_chown(const char *path, uid_t uid, gid_t gid);
static int s3fs_truncate(const char *path, off_t size);
static int s3fs_open(const char *path, struct fuse_file_info *fi);
static int s3fs_read(
const char *path, char *buf, size_t size, off_t offset, struct fuse_file_info *fi);
static int s3fs_write(
const char *path, const char *buf, size_t size, off_t offset, struct fuse_file_info *fi);
static int s3fs_statfs(const char *path, struct statvfs *stbuf);
static int s3fs_flush(const char *path, struct fuse_file_info *fi);
static int s3fs_release(const char *path, struct fuse_file_info *fi);
static int s3fs_readdir(
const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi);
static int s3fs_access(const char *path, int mask);
static int s3fs_utimens(const char *path, const struct timespec ts[2]);
static void* s3fs_init(struct fuse_conn_info *conn);
static void s3fs_destroy(void*);
#endif // S3FS_S3_H_

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/*
* s3fs - FUSE-based file system backed by Amazon S3
*
* Copyright 2007-2008 Randy Rizun <rrizun@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "string_util.h"
string lower(string s) {
// change each character of the string to lower case
for (unsigned int i = 0; i < s.length(); i++) {
s[i] = tolower(s[i]);
}
return s;
}

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#ifndef S3FS_STRING_UTIL_H_
#define S3FS_STRING_UTIL_H_
/*
* A collection of string utilities for manipulating URLs and HTTP responses.
*/
#include <sstream>
#include <string>
#define SPACES " \t\r\n"
using namespace std;
template<typename T> string str(T value) {
stringstream tmp;
tmp << value;
return tmp.str();
}
inline string trim_left(const string &s, const string &t = SPACES) {
string d(s);
return d.erase(0, s.find_first_not_of(t));
}
inline string trim_right(const string &s, const string &t = SPACES) {
string d(s);
string::size_type i(d.find_last_not_of(t));
if (i == string::npos)
return "";
else
return d.erase(d.find_last_not_of(t) + 1);
}
inline string trim(const string &s, const string &t = SPACES) {
string d(s);
return trim_left(trim_right(d, t), t);
}
string lower(string s);
#endif // S3FS_STRING_UTIL_H_

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TESTS=small-integration-test.sh

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#!/bin/bash -e
S3FS=../src/s3fs
S3FS_CREDENTIALS_FILE=$(eval echo ~${SUDO_USER}/.passwd-s3fs)
TEST_BUCKET_1=${SUDO_USER}-s3fs-integration-test
TEST_BUCKET_MOUNT_POINT_1=/mnt/${TEST_BUCKET_1}
if [ ! -f "$S3FS_CREDENTIALS_FILE" ]
then
echo "Missing credentials file: $S3FS_CREDENTIALS_FILE"
exit 1
fi

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#!/bin/bash -e
if [[ $EUID -ne 0 ]]
then
echo "This test script must be run as root" 1>&2
exit 1
fi

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#!/bin/bash -e
COMMON=integration-test-common.sh
source $COMMON
# Require root
REQUIRE_ROOT=require-root.sh
source $REQUIRE_ROOT
# Configuration
TEST_TEXT="HELLO WORLD"
TEST_TEXT_FILE=test-s3fs.txt
TEST_TEXT_FILE_LENGTH=15
# Mount the bucket
if [ ! -d $TEST_BUCKET_MOUNT_POINT_1 ]
then
mkdir -p $TEST_BUCKET_MOUNT_POINT_1
fi
$S3FS $TEST_BUCKET_1 $TEST_BUCKET_MOUNT_POINT_1 -o passwd_file=$S3FS_CREDENTIALS_FILE
CUR_DIR=`pwd`
cd $TEST_BUCKET_MOUNT_POINT_1
# Write a small test file
for x in `seq 1 $TEST_TEXT_FILE_LENGTH`
do
echo $TEST_TEXT >> $TEST_TEXT_FILE
done
# Verify contents of file
FILE_LENGTH=`wc -l $TEST_TEXT_FILE | awk '{print $1}'`
if [ "$FILE_LENGTH" -ne "$TEST_TEXT_FILE_LENGTH" ]
then
exit 1
fi
# Delete the test file
rm $TEST_TEXT_FILE
# Unmount the bucket
cd $CUR_DIR
umount $TEST_BUCKET_MOUNT_POINT_1