reddb-io-server 1.24.3

RedDB server-side engine: storage, runtime, replication, MCP, AI, and the gRPC/HTTP/RedWire/PG-wire dispatchers. Re-exported by the umbrella `reddb` crate.
Documentation 
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

use crate::server::route_catalog::{
    RouteAlias, RouteAudience, RouteAuth, RouteEntry, RouteGroupDefaults, RouteMethod,
    RouteMiddleware, RouteRegistry, RouteRequest, RouteStability,
};
use crate::server::routes::common::{METRICS_SURFACES, STANDARD_MIDDLEWARE};
use crate::server::*;

const OPS_READ_CLUSTER_MIDDLEWARE: &[RouteMiddleware] = &[
    RouteMiddleware::CorsPreflight,
    RouteMiddleware::ListenerSurfaceGate,
    RouteMiddleware::AuthGate,
    RouteMiddleware::QuotaGate,
    RouteMiddleware::OpsPolicy("ops:read:cluster"),
];

const METRICS_OPERATOR: RouteGroupDefaults = RouteGroupDefaults {
    family: "metrics",
    audience: RouteAudience::Operator,
    auth: RouteAuth::OpsCapability("ops:read:cluster"),
    surfaces: METRICS_SURFACES,
    stability: RouteStability::Stable,
    middlewares: OPS_READ_CLUSTER_MIDDLEWARE,
};

const PROM_COMPAT: RouteGroupDefaults = RouteGroupDefaults {
    family: "prometheus",
    audience: RouteAudience::CompatibilityAdapter,
    auth: RouteAuth::UserRequired,
    surfaces: METRICS_SURFACES,
    stability: RouteStability::Compatibility,
    middlewares: STANDARD_MIDDLEWARE,
};

const METRICS_ALIASES: &[RouteAlias] = &[RouteAlias::canonical(
    RouteMethod::Get,
    "/v1/ops/metrics",
    "canonical v1 operator metrics path",
)];
const PROM_QUERY_GET_ALIASES: &[RouteAlias] = &[RouteAlias::canonical(
    RouteMethod::Get,
    "/prometheus/api/v1/query",
    "explicit Prometheus adapter namespace",
)];
const PROM_QUERY_POST_ALIASES: &[RouteAlias] = &[RouteAlias::canonical(
    RouteMethod::Post,
    "/prometheus/api/v1/query",
    "explicit Prometheus adapter namespace",
)];
const PROM_QUERY_RANGE_GET_ALIASES: &[RouteAlias] = &[RouteAlias::canonical(
    RouteMethod::Get,
    "/prometheus/api/v1/query_range",
    "explicit Prometheus adapter namespace",
)];
const PROM_QUERY_RANGE_POST_ALIASES: &[RouteAlias] = &[RouteAlias::canonical(
    RouteMethod::Post,
    "/prometheus/api/v1/query_range",
    "explicit Prometheus adapter namespace",
)];
const PROM_REMOTE_WRITE_ALIASES: &[RouteAlias] = &[RouteAlias::canonical(
    RouteMethod::Post,
    "/prometheus/api/v1/write",
    "explicit Prometheus adapter namespace",
)];

const METRICS_ROUTES: &[RouteEntry] = &[RouteEntry::with_aliases(
    "metrics.scrape",
    RouteMethod::Get,
    "/metrics",
    METRICS_ALIASES,
    metrics_scrape,
)];

const PROMETHEUS_ROUTES: &[RouteEntry] = &[
    RouteEntry::with_aliases(
        "prometheus.query.get",
        RouteMethod::Get,
        "/api/v1/query",
        PROM_QUERY_GET_ALIASES,
        prometheus_query_get,
    ),
    RouteEntry::with_aliases(
        "prometheus.query.post",
        RouteMethod::Post,
        "/api/v1/query",
        PROM_QUERY_POST_ALIASES,
        prometheus_query_post,
    ),
    RouteEntry::with_aliases(
        "prometheus.query_range.get",
        RouteMethod::Get,
        "/api/v1/query_range",
        PROM_QUERY_RANGE_GET_ALIASES,
        prometheus_query_range_get,
    ),
    RouteEntry::with_aliases(
        "prometheus.query_range.post",
        RouteMethod::Post,
        "/api/v1/query_range",
        PROM_QUERY_RANGE_POST_ALIASES,
        prometheus_query_range_post,
    ),
    RouteEntry::with_aliases(
        "prometheus.remote_write",
        RouteMethod::Post,
        "/api/v1/write",
        PROM_REMOTE_WRITE_ALIASES,
        prometheus_remote_write,
    ),
];

pub(crate) fn register(registry: &mut RouteRegistry) {
    registry.routes(METRICS_OPERATOR, METRICS_ROUTES);
    registry.routes(PROM_COMPAT, PROMETHEUS_ROUTES);
}

// Handlers. Each route above binds one of these by fn pointer, so a
// declared route always has a live handler behind it.

fn metrics_scrape(server: &RedDBServer, _req: &RouteRequest<'_>) -> Option<HttpResponse> {
    Some(server.handle_metrics())
}

fn prometheus_query_get(server: &RedDBServer, req: &RouteRequest<'_>) -> Option<HttpResponse> {
    Some(server.handle_prometheus_query(req.headers, req.query, None))
}

fn prometheus_query_post(server: &RedDBServer, req: &RouteRequest<'_>) -> Option<HttpResponse> {
    Some(server.handle_prometheus_query(req.headers, req.query, Some(req.body.to_vec())))
}

fn prometheus_query_range_get(
    server: &RedDBServer,
    req: &RouteRequest<'_>,
) -> Option<HttpResponse> {
    Some(server.handle_prometheus_query_range(req.headers, req.query, None))
}

fn prometheus_query_range_post(
    server: &RedDBServer,
    req: &RouteRequest<'_>,
) -> Option<HttpResponse> {
    Some(server.handle_prometheus_query_range(req.headers, req.query, Some(req.body.to_vec())))
}

fn prometheus_remote_write(server: &RedDBServer, req: &RouteRequest<'_>) -> Option<HttpResponse> {
    Some(server.handle_prometheus_remote_write(req.query, req.headers, req.body.to_vec()))
}