about summary refs log tree commit diff
path: root/tvix/store/src/pathinfoservice/from_addr.rs
blob: 262e66c1bd7f5ea436304d90869ba164ce2ea6b7 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
use super::PathInfoService;

use crate::composition::{
    with_registry, CompositionContext, DeserializeWithRegistry, ServiceBuilder, REG,
};
use std::sync::Arc;
use tvix_castore::Error;
use url::Url;

/// Constructs a new instance of a [PathInfoService] from an URI.
///
/// The following URIs are supported:
/// - `memory:`
///   Uses a in-memory implementation.
/// - `sled:`
///   Uses a in-memory sled implementation.
/// - `sled:///absolute/path/to/somewhere`
///   Uses sled, using a path on the disk for persistency. Can be only opened
///   from one process at the same time.
/// - `nix+https://cache.nixos.org?trusted-public-keys=cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=`
///   Exposes the Nix binary cache as a PathInfoService, ingesting NARs into the
///   {Blob,Directory}Service. You almost certainly want to use this with some cache.
///   The `trusted-public-keys` URL parameter can be provided, which will then
///   enable signature verification.
/// - `grpc+unix:///absolute/path/to/somewhere`
///   Connects to a local tvix-store gRPC service via Unix socket.
/// - `grpc+http://host:port`, `grpc+https://host:port`
///    Connects to a (remote) tvix-store gRPC service.
///
/// As the [PathInfoService] needs to talk to [BlobService] and [DirectoryService],
/// these also need to be passed in.
pub async fn from_addr(
    uri: &str,
    context: Option<&CompositionContext<'_>>,
) -> Result<Arc<dyn PathInfoService>, Box<dyn std::error::Error + Send + Sync>> {
    #[allow(unused_mut)]
    let mut url =
        Url::parse(uri).map_err(|e| Error::StorageError(format!("unable to parse url: {}", e)))?;

    let path_info_service_config = with_registry(&REG, || {
        <DeserializeWithRegistry<Box<dyn ServiceBuilder<Output = dyn PathInfoService>>>>::try_from(
            url,
        )
    })?
    .0;
    let path_info_service = path_info_service_config
        .build("anonymous", context.unwrap_or(&CompositionContext::blank()))
        .await?;

    Ok(path_info_service)
}

#[cfg(test)]
mod tests {
    use super::from_addr;
    use crate::composition::{Composition, DeserializeWithRegistry, ServiceBuilder};
    use lazy_static::lazy_static;
    use rstest::rstest;
    use tempfile::TempDir;
    use tvix_castore::blobservice::{BlobService, MemoryBlobServiceConfig};
    use tvix_castore::directoryservice::{DirectoryService, MemoryDirectoryServiceConfig};

    lazy_static! {
        static ref TMPDIR_SLED_1: TempDir = TempDir::new().unwrap();
        static ref TMPDIR_SLED_2: TempDir = TempDir::new().unwrap();
        static ref TMPDIR_REDB_1: TempDir = TempDir::new().unwrap();
        static ref TMPDIR_REDB_2: TempDir = TempDir::new().unwrap();
    }

    // the gRPC tests below don't fail, because we connect lazily.

    #[rstest]
    /// This uses a unsupported scheme.
    #[case::unsupported_scheme("http://foo.example/test", false)]
    /// This configures sled in temporary mode.
    #[case::sled_temporary("sled://", true)]
    /// This configures sled with /, which should fail.
    #[case::sled_invalid_root("sled:///", false)]
    /// This configures sled with a host, not path, which should fail.
    #[case::sled_invalid_host("sled://foo.example", false)]
    /// This configures sled with a valid path path, which should succeed.
    #[case::sled_valid_path(&format!("sled://{}", &TMPDIR_SLED_1.path().to_str().unwrap()), true)]
    /// This configures sled with a host, and a valid path path, which should fail.
    #[case::sled_invalid_host_with_valid_path(&format!("sled://foo.example{}", &TMPDIR_SLED_2.path().to_str().unwrap()), false)]
    /// This correctly sets the scheme, and doesn't set a path.
    #[case::memory_valid("memory://", true)]
    /// This sets a memory url host to `foo`
    #[case::memory_invalid_host("memory://foo", false)]
    /// This sets a memory url path to "/", which is invalid.
    #[case::memory_invalid_root_path("memory:///", false)]
    /// This sets a memory url path to "/foo", which is invalid.
    #[case::memory_invalid_root_path_foo("memory:///foo", false)]
    /// redb with a host, and a valid path path, which should fail.
    #[case::redb_invalid_host_with_valid_path(&format!("redb://foo.example{}", &TMPDIR_REDB_1.path().to_str().unwrap()), false)]
    /// redb with / as path, which should fail.
    #[case::redb_invalid_root("redb:///", false)]
    /// redb with / as path, which should succeed.
    #[case::redb_valid_path(&format!("redb://{}", &TMPDIR_REDB_2.path().join("foo").to_str().unwrap()), true)]
    /// redb using the in-memory backend, which should succeed.
    #[case::redb_valid_in_memory("redb://", true)]
    /// Correct Scheme for the cache.nixos.org binary cache.
    #[case::correct_nix_https("nix+https://cache.nixos.org", true)]
    /// Correct Scheme for the cache.nixos.org binary cache (HTTP URL).
    #[case::correct_nix_http("nix+http://cache.nixos.org", true)]
    /// Correct Scheme for Nix HTTP Binary cache, with a subpath.
    #[case::correct_nix_http_with_subpath("nix+http://192.0.2.1/foo", true)]
    /// Correct Scheme for Nix HTTP Binary cache, with a subpath and port.
    #[case::correct_nix_http_with_subpath_and_port("nix+http://[::1]:8080/foo", true)]
    /// Correct Scheme for the cache.nixos.org binary cache, and correct trusted public key set
    #[case::correct_nix_https_with_trusted_public_key("nix+https://cache.nixos.org?trusted-public-keys=cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=", true)]
    /// Correct Scheme for the cache.nixos.org binary cache, and two correct trusted public keys set
    #[case::correct_nix_https_with_two_trusted_public_keys("nix+https://cache.nixos.org?trusted-public-keys=cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=%20foo:jp4fCEx9tBEId/L0ZsVJ26k0wC0fu7vJqLjjIGFkup8=", true)]
    /// Correct scheme to connect to a unix socket.
    #[case::grpc_valid_unix_socket("grpc+unix:///path/to/somewhere", true)]
    /// Correct scheme for unix socket, but setting a host too, which is invalid.
    #[case::grpc_invalid_unix_socket_and_host("grpc+unix://host.example/path/to/somewhere", false)]
    /// Correct scheme to connect to localhost, with port 12345
    #[case::grpc_valid_ipv6_localhost_port_12345("grpc+http://[::1]:12345", true)]
    /// Correct scheme to connect to localhost over http, without specifying a port.
    #[case::grpc_valid_http_host_without_port("grpc+http://localhost", true)]
    /// Correct scheme to connect to localhost over http, without specifying a port.
    #[case::grpc_valid_https_host_without_port("grpc+https://localhost", true)]
    /// Correct scheme to connect to localhost over http, but with additional path, which is invalid.
    #[case::grpc_invalid_host_and_path("grpc+http://localhost/some-path", false)]
    /// A valid example for Bigtable.
    #[cfg_attr(
        all(feature = "cloud", feature = "integration"),
        case::bigtable_valid(
            "bigtable://instance-1?project_id=project-1&table_name=table-1&family_name=cf1",
            true
        )
    )]
    /// An invalid example for Bigtable, missing fields
    #[cfg_attr(
        all(feature = "cloud", feature = "integration"),
        case::bigtable_invalid_missing_fields("bigtable://instance-1", false)
    )]
    #[tokio::test]
    async fn test_from_addr_tokio(#[case] uri_str: &str, #[case] exp_succeed: bool) {
        let mut comp = Composition::default();
        comp.extend(vec![(
            "default".into(),
            DeserializeWithRegistry(Box::new(MemoryBlobServiceConfig {})
                as Box<dyn ServiceBuilder<Output = dyn BlobService>>),
        )]);
        comp.extend(vec![(
            "default".into(),
            DeserializeWithRegistry(Box::new(MemoryDirectoryServiceConfig {})
                as Box<dyn ServiceBuilder<Output = dyn DirectoryService>>),
        )]);

        let resp = from_addr(uri_str, Some(&comp.context())).await;

        if exp_succeed {
            resp.expect("should succeed");
        } else {
            assert!(resp.is_err(), "should fail");
        }
    }
}