|
| 1 | +// Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved. |
| 2 | +// |
| 3 | +// Redistribution and use in source and binary forms, with or without |
| 4 | +// modification, are permitted provided that the following conditions |
| 5 | +// are met: |
| 6 | +// * Redistributions of source code must retain the above copyright |
| 7 | +// notice, this list of conditions and the following disclaimer. |
| 8 | +// * Redistributions in binary form must reproduce the above copyright |
| 9 | +// notice, this list of conditions and the following disclaimer in the |
| 10 | +// documentation and/or other materials provided with the distribution. |
| 11 | +// * Neither the name of NVIDIA CORPORATION nor the names of its |
| 12 | +// contributors may be used to endorse or promote products derived |
| 13 | +// from this software without specific prior written permission. |
| 14 | +// |
| 15 | +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY |
| 16 | +// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 17 | +// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 18 | +// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| 19 | +// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 20 | +// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | +// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 22 | +// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 23 | +// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 24 | +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 25 | +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | + |
| 27 | +#include "pb_env.h" |
| 28 | + |
| 29 | +#include <archive.h> |
| 30 | +#include <archive_entry.h> |
| 31 | +#include <fts.h> |
| 32 | +#include <boost/filesystem.hpp> |
| 33 | +#include <boost/iostreams/copy.hpp> |
| 34 | +#include <boost/iostreams/filter/gzip.hpp> |
| 35 | +#include <boost/iostreams/filtering_streambuf.hpp> |
| 36 | +#include <cstdlib> |
| 37 | +#include <cstring> |
| 38 | +#include <iostream> |
| 39 | +#include "pb_utils.h" |
| 40 | + |
| 41 | + |
| 42 | +namespace triton { namespace backend { namespace python { |
| 43 | + |
| 44 | +void |
| 45 | +RecursiveDirectoryDelete(const char* dir) |
| 46 | +{ |
| 47 | + FTS* ftsp = NULL; |
| 48 | + FTSENT* curr; |
| 49 | + |
| 50 | + char* files[] = {(char*)dir, NULL}; |
| 51 | + |
| 52 | + ftsp = fts_open(files, FTS_NOCHDIR | FTS_PHYSICAL | FTS_XDEV, NULL); |
| 53 | + if (!ftsp) { |
| 54 | + } |
| 55 | + |
| 56 | + while ((curr = fts_read(ftsp))) { |
| 57 | + switch (curr->fts_info) { |
| 58 | + case FTS_NS: |
| 59 | + case FTS_DNR: |
| 60 | + case FTS_ERR: |
| 61 | + throw PythonBackendException( |
| 62 | + std::string("fts_read error: ") + curr->fts_accpath + |
| 63 | + " error: " + strerror(curr->fts_errno)); |
| 64 | + break; |
| 65 | + |
| 66 | + case FTS_DC: |
| 67 | + case FTS_DOT: |
| 68 | + case FTS_NSOK: |
| 69 | + break; |
| 70 | + |
| 71 | + case FTS_D: |
| 72 | + // Do nothing. Directories are deleted in FTS_DP |
| 73 | + break; |
| 74 | + |
| 75 | + case FTS_DP: |
| 76 | + case FTS_F: |
| 77 | + case FTS_SL: |
| 78 | + case FTS_SLNONE: |
| 79 | + case FTS_DEFAULT: |
| 80 | + if (remove(curr->fts_accpath) < 0) { |
| 81 | + throw PythonBackendException( |
| 82 | + std::string("Failed to remove ") + curr->fts_path + |
| 83 | + " error: " + strerror(curr->fts_errno)); |
| 84 | + } |
| 85 | + break; |
| 86 | + } |
| 87 | + } |
| 88 | +} |
| 89 | + |
| 90 | +EnvironmentManager::EnvironmentManager() |
| 91 | +{ |
| 92 | + char tmp_dir_template[PATH_MAX + 1]; |
| 93 | + strcpy(tmp_dir_template, "/tmp/python_env_XXXXXX"); |
| 94 | + |
| 95 | + char* env_path = mkdtemp(tmp_dir_template); |
| 96 | + if (env_path == nullptr) { |
| 97 | + throw PythonBackendException( |
| 98 | + "Failed to create temporary directory for Python environments."); |
| 99 | + } |
| 100 | + strcpy(base_path_, tmp_dir_template); |
| 101 | +} |
| 102 | + |
| 103 | +std::string |
| 104 | +EnvironmentManager::ExtractIfNotExtracted(std::string env_path) |
| 105 | +{ |
| 106 | + // Lock the mutex. Only a single thread should modify the map. |
| 107 | + std::lock_guard<std::mutex> lk(mutex_); |
| 108 | + char canonical_env_path[PATH_MAX + 1]; |
| 109 | + |
| 110 | + char* err = realpath(env_path.c_str(), canonical_env_path); |
| 111 | + if (err == nullptr) { |
| 112 | + throw PythonBackendException( |
| 113 | + std::string("Failed to get the canonical path for ") + env_path + "."); |
| 114 | + } |
| 115 | + |
| 116 | + // Extract only if the env has not been extracted yet. |
| 117 | + if (env_map_.find(canonical_env_path) == env_map_.end()) { |
| 118 | + std::string dst_env_path( |
| 119 | + std::string(base_path_) + "/" + std::to_string(env_map_.size())); |
| 120 | + |
| 121 | + std::string canonical_env_path_str(canonical_env_path); |
| 122 | + |
| 123 | + int status = |
| 124 | + mkdir(dst_env_path.c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH); |
| 125 | + if (status == 0) { |
| 126 | + ExtractTarFile(canonical_env_path_str, dst_env_path); |
| 127 | + } else { |
| 128 | + throw PythonBackendException( |
| 129 | + std::string("Failed to create environment directory for '") + |
| 130 | + dst_env_path.c_str() + "'."); |
| 131 | + } |
| 132 | + |
| 133 | + // Add the path to the list of environments |
| 134 | + env_map_.insert({canonical_env_path, dst_env_path}); |
| 135 | + return dst_env_path; |
| 136 | + } else { |
| 137 | + return env_map_.find(canonical_env_path)->second; |
| 138 | + } |
| 139 | +} |
| 140 | + |
| 141 | +EnvironmentManager::~EnvironmentManager() |
| 142 | +{ |
| 143 | + RecursiveDirectoryDelete(base_path_); |
| 144 | +} |
| 145 | + |
| 146 | +}}} // namespace triton::backend::python |
0 commit comments