felipecrv commented on code in PR #38269:
URL: https://github.com/apache/arrow/pull/38269#discussion_r1364593535
##########
cpp/src/arrow/filesystem/azurefs.cc:
##########
@@ -37,34 +43,330 @@ bool AzureOptions::Equals(const AzureOptions& other) const
{
credentials_kind == other.credentials_kind);
}
+Status AzureOptions::ConfigureAccountKeyCredentials(const std::string&
account_name,
+ const std::string&
account_key) {
+ if (this->backend == AzureBackend::Azurite) {
+ account_blob_url = "http://127.0.0.1:10000/"; + account_name + "/";
+ account_dfs_url = "http://127.0.0.1:10000/"; + account_name + "/";
+ } else {
+ account_dfs_url = "https://"; + account_name + ".dfs.core.windows.net/";
+ account_blob_url = "https://"; + account_name + ".blob.core.windows.net/";
+ }
+ storage_credentials_provider =
+
std::make_shared<Azure::Storage::StorageSharedKeyCredential>(account_name,
+
account_key);
+ credentials_kind = AzureCredentialsKind::StorageCredentials;
+ return Status::OK();
+}
+namespace {
+
+// An AzureFileSystem represents a single Azure storage account. AzurePath
describes a
+// container and path within that storage account.
+struct AzurePath {
+ std::string full_path;
+ std::string container;
+ std::string path_to_file;
+ std::vector<std::string> path_to_file_parts;
+
+ static Result<AzurePath> FromString(const std::string& s) {
+ // Example expected string format: testcontainer/testdir/testfile.txt
+ // container = testcontainer
+ // path_to_file = testdir/testfile.txt
+ // path_to_file_parts = [testdir, testfile.txt]
+ if (internal::IsLikelyUri(s)) {
+ return Status::Invalid(
+ "Expected an Azure object path of the form 'container/path...', got
a URI: '",
+ s, "'");
+ }
+ auto src = internal::RemoveTrailingSlash(s);
+ auto input_path = std::string(src.data());
+ src = internal::RemoveLeadingSlash(src);
+ auto first_sep = src.find_first_of(internal::kSep);
+ if (first_sep == 0) {
+ return Status::Invalid("Path cannot start with a separator ('",
input_path, "')");
+ }
+ if (first_sep == std::string::npos) {
+ return AzurePath{std::string(src), std::string(src), "", {}};
+ }
+ AzurePath path;
+ path.full_path = std::string(src);
+ path.container = std::string(src.substr(0, first_sep));
+ path.path_to_file = std::string(src.substr(first_sep + 1));
+ path.path_to_file_parts = internal::SplitAbstractPath(path.path_to_file);
+ RETURN_NOT_OK(Validate(path));
+ return path;
+ }
+
+ static Status Validate(const AzurePath& path) {
+ auto status = internal::ValidateAbstractPathParts(path.path_to_file_parts);
+ if (!status.ok()) {
+ return Status::Invalid(status.message(), " in path ", path.full_path);
+ } else {
+ return status;
+ }
+ }
+
+ AzurePath parent() const {
+ DCHECK(has_parent());
+ auto parent = AzurePath{"", container, "", path_to_file_parts};
+ parent.path_to_file_parts.pop_back();
+ parent.path_to_file =
internal::JoinAbstractPath(parent.path_to_file_parts);
+ if (parent.path_to_file.empty()) {
+ parent.full_path = parent.container;
+ } else {
+ parent.full_path = parent.container + internal::kSep +
parent.path_to_file;
+ }
+ return parent;
+ }
+
+ bool has_parent() const { return !path_to_file.empty(); }
+
+ bool empty() const { return container.empty() && path_to_file.empty(); }
+
+ bool operator==(const AzurePath& other) const {
+ return container == other.container && path_to_file == other.path_to_file;
+ }
+};
+
+Status PathNotFound(const AzurePath& path) {
+ return ::arrow::fs::internal::PathNotFound(path.full_path);
+}
+
+Status NotAFile(const AzurePath& path) {
+ return ::arrow::fs::internal::NotAFile(path.full_path);
+}
+
+Status ValidateFilePath(const AzurePath& path) {
+ if (path.container.empty()) {
+ return PathNotFound(path);
+ }
+
+ if (path.path_to_file.empty()) {
+ return NotAFile(path);
+ }
+ return Status::OK();
+}
Review Comment:
Aha. Makes sense. I didn't notice the distinction before.
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