commit a48db9c4c8d7a55e494d5f3848aa153d1893f030
Author: Evelyn Alicke <e.alicke@famedly.com>
Date:   Tue Mar 28 09:04:26 2023 +0200

    Initial Commit

diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..54ad01d
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,16 @@
+[package]
+name = "openmetrics-vici-exporter"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+config = { version = "0.13.1", features = ["yaml"] }
+serde = { version = "1.0", features = ["derive"] }
+prometheus-client = "0.18.1"
+futures-util = "0.3.25"
+actix-web-httpauth = "0.8.0"
+actix-web = "4.2.1"
+tokio = "1.21.2"
+rsvici = "0.1"
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..b863589
--- /dev/null
+++ b/README.md
@@ -0,0 +1,4 @@
+`groupadd vici`
+`chown root:vici /var/run/charon.vici`
+`chmod 0770 /var/run/charon.vici`
+`usermod -aG vici $user`
diff --git a/config.yml b/config.yml
new file mode 100644
index 0000000..7c42627
--- /dev/null
+++ b/config.yml
@@ -0,0 +1,5 @@
+---
+vici_socket: "/var/run/charon.vici"
+actix_bind_addr: "0.0.0.0"
+actix_bind_port: "80"
+actix_auth_token: ""
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..cb89ee1
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,122 @@
+#![allow(dead_code,non_camel_case_types)] // I don't want to be bothered for case stuff decided upon me by the VICI API
+
+use actix_web::{web, App, HttpResponse, HttpServer, Responder, Result};
+
+use prometheus_client::{
+    registry::Registry,
+    encoding::{text::encode},
+    metrics::{
+        family::Family,
+        info::Info,
+        counter::Counter,
+        gauge::Gauge,
+        MetricType::Unknown,
+    }
+};
+
+use std::{
+    collections::HashMap,
+    error::Error,
+    sync::Mutex,
+    net::IpAddr,
+    path::Path,
+};
+
+
+use futures_util::{
+    stream::{TryStreamExt},
+    pin_mut,
+};
+
+use serde::Deserialize;
+
+use config::Config;
+
+mod vici_structs;
+
+
+#[derive(Debug, Deserialize)]
+struct Configuration {
+    vici_socket: String,
+    actix_bind_addr: IpAddr,
+    actix_bind_port: u16,
+    axtix_auth_token: Option<String>,
+}
+
+pub async fn metrics_handler(state: web::Data<Mutex<AppState>>) -> Result<HttpResponse> {
+    let state = state.lock().unwrap();
+    let mut buf = Vec::new();
+    encode(&mut buf, &state.registry)?;
+    let body = std::str::from_utf8(buf.as_slice()).unwrap().to_string();
+    Ok(HttpResponse::Ok()
+        .content_type("application/openmetrics-text; version=1.0.0; charset=utf-8")
+        .body(body))
+}
+
+pub struct AppState {
+    pub registry: Registry,
+    pub vici: vici_structs::VICIState,
+}
+
+pub struct Metrics {
+    sa_uptime: Family<vici_structs::SecurityAssociationLabels, Counter>,
+}
+
+impl Metrics {
+    pub fn sa_uptime(&self, security_associations: vici_structs::SecurityAssociations) {
+        for (sa_name, sa_values) in security_associations.into_iter() {
+            self.sa_uptime.get_or_create(&vici_structs::SecurityAssociationLabels{uniqueid: sa_values.uniqueid}).inner(sa_values.established); // "Vertrau mir Bruder"
+        }
+    }
+}
+/*
+pub fn get_vici_state(client: rsvici::Client) -> Result<vici_structs::VICIState, actix_web::Error>{
+    let version: vici_structs::Version = client.request("version", ()).await?;
+    let statistics: vici_structs::Statistics = client.request("statistics", ()).await?;
+    let connections = client.stream_request::<(), vici_structs::Connections>("list-connections", "list-conn", ());
+    pin_mut!(connections);
+    while let Some(conn) = connections.try_next().await? {
+        println!("{:#?}", conn);
+    }
+
+}
+*/
+
+
+#[actix_web::main]
+async fn main() -> std::io::Result<()> {
+    let settings = Config::builder()
+        .add_source(config::File::with_name("config"))
+        .add_source(config::Environment::with_prefix("VICI_EXPORTER"))
+        .build()
+        .unwrap();
+    let mut conf: Configuration = settings.try_deserialize().unwrap();
+    let mut client = rsvici::unix::connect(conf.vici_socket).await?;
+    let mut vici_state: vici_structs::VICIState;
+
+    let metrics = web::Data::new(Metrics {
+        sa_uptime: Family::default(),
+    });
+
+    let mut state = AppState {
+        registry: Registry::default(),
+        vici: vici_structs::VICIState.update(client),
+    };
+
+    state.registry.register(
+        "sa_uptime",
+        "How Long a connection has been established",
+        Box::new(metrics.sa_uptime.clone()),
+    );
+    let state = web::Data::new(Mutex::new(state));
+
+    HttpServer::new(move || {
+        App::new()
+            //.app_data(metrics.clone())
+            .app_data(state.clone())
+            .service(web::resource("/metrics").route(web::get().to(metrics_handler)))
+    })
+    .bind((conf.actix_bind_addr, conf.actix_bind_port))?
+    .run()
+    .await
+}
diff --git a/src/vici_structs.rs b/src/vici_structs.rs
new file mode 100644
index 0000000..fde8266
--- /dev/null
+++ b/src/vici_structs.rs
@@ -0,0 +1,373 @@
+#![allow(dead_code,non_camel_case_types)] // I don't want to be bothered for case stuff decided upon me by the VICI API
+
+use serde::Deserialize;
+use std::collections::HashMap;
+
+use prometheus_client::{
+    encoding::text::Encode,
+};
+
+#[derive(Debug, Deserialize)]
+pub struct VICIState {
+    pub version:                Version,
+    pub statistics:             Statistics,
+    pub policies:               Policies,
+    pub connections:            Connections,
+    pub security_associations:  SecurityAssociations,
+    pub certificates:           Certificates,
+    pub authorities:            Authorities,
+    pub pools:                  Pools,
+}
+
+impl<E> VICIState {
+    async fn update(client: rsvici::Client) -> Result<VICIState, E> {
+        VICIState {
+                version:                client.request("version", ()).await?,
+                statistics:             client.request("statistics", ()).await?,
+                policies:               client.stream_request::<(), Policies>("list-policies", "list-policy", ()).await?,
+                connections:            client.stream_request::<(), Connections>("list-connections", "list-conn", ()).await?,
+                security_associations:  client.stream_request::<(), SecurityAssociations>("list-sas", "list-sa", ()).await?,
+                certificates:           client.stream_request::<(), Certificates>("list-certs", "list-cert", ()).await?,
+                authorities:            client.stream_request::<(), Authorities>("list-authoroties", "list-authoroty", ()).await?,
+                pools:                  client.stream_request::<(), Pools>("list-pools", "list-pool", ()).await?,
+        }
+    }
+}
+
+// Structs for parsing the control interface
+
+#[derive(Debug, Deserialize)]
+pub struct Version {
+    pub daemon:  String,
+    pub version: String,
+    pub sysname: String,
+    pub release: String,
+    pub machine: String,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct Statistics {
+    pub uptime:                   StatisticsUptime,
+    pub workers:                  StatisticsWorkers,
+    pub queues:                   StatisticsJobPriorities,
+    pub scheduled:                String,
+    pub ikesecurity_associations: StatisticsIKESecurityAssociations,
+    pub plugins:                  Vec<String>,
+    pub mem:                      Option<StatisticsMem>,
+    pub mallinfo:                 Option<StatisticsMallinfo>,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct StatisticsUptime {
+    pub running: String,
+    pub since:   String,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct StatisticsWorkers {
+    pub total:  String,
+    pub idle:   String,
+    pub active: StatisticsJobPriorities,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct StatisticsJobPriorities {
+    pub critical: String,
+    pub high:     String,
+    pub medium:   String,
+    pub low:      String,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct StatisticsIKESecurityAssociations {
+    pub total:     String,
+    pub half_open: Option<String>,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct StatisticsMem {
+    pub total:  String,
+    pub allocs: String,
+}
+#[derive(Debug, Deserialize)]
+pub struct StatisticsMallinfo {
+    pub sbrk: String,
+    pub mmap: String,
+    pub used: String,
+    pub free: String,
+}
+
+pub type Policies = HashMap<String, Policy>;
+
+#[derive(Debug, Deserialize)]
+pub struct Policy {
+    pub child:     String,
+    pub ike:       Option<String>,
+    pub mode:      PolicyMode,
+    pub local_ts:  Option<Vec<String>>,
+    pub remote_ts: Option<Vec<String>>,
+}
+
+#[derive(Debug, Deserialize)]
+enum PolicyMode {
+    tunnel,
+    transport,
+    pass,
+    drop,
+}
+
+pub type Connections = HashMap<String, Conn>;
+
+#[derive(Debug, Deserialize)]
+pub struct Conn {
+    pub local_addrs:  Vec<String>,
+    pub remote_addrs: Vec<String>,
+    pub version:      String,
+    pub reauth_time:  u32,
+    pub rekey_time:   u32,
+    pub children:     HashMap<String, ConnChildSection>,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct ConnAuthSection {
+    pub class:        String,
+    pub eap_type:     Option<String>,
+    pub eap_vendor:   Option<String>,
+    pub xauth:        Option<String>,
+    pub revocation:   Option<String>,
+    pub id:           String,
+    pub aaa_id:       Option<String>,
+    pub eap_id:       Option<String>,
+    pub xauth_id:     Option<String>,
+    pub groups:       Option<Vec<String>>,
+    pub certificates: Option<Vec<String>>,
+    pub cacerts:      Option<Vec<String>>,
+}
+
+#[derive(Debug, Deserialize)]
+pub struct ConnChildSection {
+    pub mode:          ChildSecurityAssociationMode,
+    pub rekey_time:    u32,
+    pub rekey_bytes:   u64,
+    pub rekey_packets: u64,
+    pub local_ts:      Option<Vec<String>>,
+    pub remote_ts:     Option<Vec<String>>,
+}
+
+#[derive(Debug, Deserialize, Clone, Hash, PartialEq, Eq)]
+enum ChildSecurityAssociationMode {
+    TUNNEL,
+    TRANSPORT,
+    BEET,
+}
+#[derive(Debug, Deserialize, Clone, Hash, PartialEq, Eq)]
+enum ChildSecurityAssociationProtocol {
+    AH,
+    ESP,
+}
+
+pub type SecurityAssociations = HashMap<String, SecurityAssociation>;
+
+#[derive(Debug, Deserialize)]
+#[serde(rename_all = "kebab-case")]
+pub struct SecurityAssociation {
+    pub uniqueid:                    String,
+    pub version:                     u8,
+    pub state:                       String,
+    pub local_host:                  Option<String>,
+    pub local_port:                  Option<u16>,
+    pub local_id:                    Option<String>,
+    pub remote_host:                 Option<String>,
+    pub remote_port:                 Option<u16>,
+    pub remote_id:                   Option<String>,
+    pub remote_xauth_id:             Option<String>,
+    pub remote_epa_id:               Option<String>,
+    pub initiator:                   Option<bool>,
+    pub initiator_spi:               Option<String>,
+    pub responder_spi:               Option<String>,
+    pub nat_local:                   Option<bool>,
+    pub nat_remote:                  Option<bool>,
+    pub nat_fake:                    Option<bool>,
+    pub nat_any:                     Option<bool>,
+    pub if_id_in:                    Option<String>,
+    pub if_id_out:                   Option<String>,
+    pub encr_alg:                    Option<String>,
+    pub encr_keysize:                Option<String>,
+    pub integ_alg:                   Option<String>,
+    pub integ_keysize:               Option<String>,
+    pub prf_alg:                     Option<String>,
+    pub dh_group:                    Option<String>,
+    pub established:                 u64,
+    pub rekey_time:                  Option<u32>,
+    pub reauth_time:                 Option<u32>,
+    pub local_vips:                  Option<Vec<String>>,
+    pub remote_vips:                 Option<Vec<String>>,
+    pub tasks_queued:                Option<Vec<String>>,
+    pub tasks_active:                Option<Vec<String>>,
+    pub tasks_passive:               Option<Vec<String>>,
+    pub child_security_associations: Option<HashMap<String, SecurityAssociationChild>>,
+}
+
+#[derive(Debug, Deserialize)]
+#[serde(rename_all = "kebab-case")]
+pub struct SecurityAssociationChild {
+    pub name:           String,
+    pub uniqueid:       String,
+    pub reqid:          String,
+    pub state:          String,
+    pub mode:           ChildSecurityAssociationMode,
+    pub protocol:       ChildSecurityAssociationProtocol,
+    pub encap:          Option<bool>,
+    pub spi_in:         String,
+    pub spi_out:        String,
+    pub cpi_in:         Option<String>,
+    pub cpi_out:        Option<String>,
+    pub mark_in:        Option<String>,
+    pub mark_mask_in:   Option<String>,
+    pub mark_out:       Option<String>,
+    pub mark_mask_out:  Option<String>,
+    pub if_id_in:       Option<String>,
+    pub if_id_out:      Option<String>,
+    pub encr_alg:       Option<String>,
+    pub encr_keysize:   Option<String>,
+    pub integ_alg:      Option<String>,
+    pub integ_keysize:  Option<String>,
+    pub prf_alg:        Option<String>,
+    pub dh_group:       Option<String>,
+    pub esn:            Option<u16>,
+    pub bytes_in:       u64,
+    pub packets_in:     u64,
+    pub use_in:         Option<u32>,
+    pub bytes_out:      u64,
+    pub packets_out:    u64,
+    pub use_out:        Option<u32>,
+    pub rekey_time:     Option<u32>,
+    pub life_time:      u32,
+    pub install_time:   u64,
+    pub local_ts:       Vec<String>,
+    pub remote_ts:      Vec<String>,
+}
+
+pub type Certificates = HashMap<String, Cert>;
+
+#[derive(Debug, Deserialize)]
+pub struct Cert {
+    pub r#type: CertType,
+    pub flag:        X509CertFlag,
+    pub has_privkey: Option<String>,
+    pub data:        String,
+    pub subject:     Option<String>,
+    pub not_before:  Option<String>,
+    pub not_after:   Option<String>,
+}
+
+#[derive(Debug, Deserialize)]
+enum CertType {
+    X509,
+    X509_AC,
+    X509_CRL,
+    OSCP_RESPONSE,
+    PUBKEY,
+}
+
+#[derive(Debug, Deserialize)]
+enum X509CertFlag {
+    NONE,
+    CA,
+    AA,
+    OCSP,
+}
+
+pub type Authorities = HashMap<String, Authority>;
+
+#[derive(Debug, Deserialize)]
+pub struct Authority {
+    pub cacert:         String,
+    pub crl_uris:       Vec<String>,
+    pub ocsp_uris:      Vec<String>,
+    pub cert_uri_base:  String,
+}
+
+pub type Pools = HashMap<String, Pool>;
+
+#[derive(Debug,Deserialize)]
+pub struct Pool {
+    pub name:    String,
+    pub base:    String,
+    pub size:    u128,
+    pub online:  u128,
+    pub offline: u128,
+    pub leases:  Option<HashMap<u16,PoolLease>>,
+}
+
+#[derive(Debug,Deserialize)]
+pub struct PoolLease {
+    pub address:  String,
+    pub identity: String,
+    pub status:   PoolLeaseStatus,
+}
+
+#[derive(Debug, Deserialize)]
+enum PoolLeaseStatus {
+    online,
+    offline,
+}
+
+// Structs for generating metrics, TODO
+
+/*
+#[derive(Debug, Deserialize, Clone, Hash, PartialEq, Eq)]
+pub struct SecurityAssociationLabels {
+    pub uniqueid: String,
+    pub local_id: String,
+    pub local_host: String,
+    pub local_port: u16,
+    pub remote_id: String,
+    pub remote_host: String,
+    pub remote_port: u16,
+}
+*/
+#[derive(Debug, Deserialize, Clone, Hash, PartialEq, Eq)]
+pub struct SecurityAssociationInfo {
+    pub uniqueid:       String,
+    pub version:        u8,
+    pub local_host:     String,
+    pub local_port:     u16,
+    pub local_id:       String,
+    pub remote_host:    String,
+    pub remote_port:    u16,
+    pub remote_id:      String,
+    pub if_id_in:       String,
+    pub if_id_out:      String,
+    pub encr_alg:       String,
+    pub encr_keysize:   String,
+    pub integ_alg:      String,
+    pub integ_keysize:  String,
+    pub prf_alg:        String,
+    pub dh_group:       Option<String>,
+    pub local_vips:     Vec<String>,
+    pub remote_vips:    Vec<String>,
+}
+
+#[derive(Debug, Deserialize, Clone, Hash, PartialEq, Eq)]
+pub struct SecurityAssociationChildInfo {
+    pub name:           String,
+    pub uniqueid:       String,
+    pub reqid:          String,
+    pub mode:           ChildSecurityAssociationMode,
+    pub if_id_in:       String,
+    pub if_id_out:      String,
+    pub encr_alg:       String,
+    pub encr_keysize:   String,
+    pub integ_alg:      String,
+    pub integ_keysize:  String,
+    pub prf_alg:        String,
+    pub dh_group:       Option<String>,
+    pub local_ts:       Vec<String>,
+    pub remote_ts:      Vec<String>,
+}
+
+#[derive(Clone, Hash, PartialEq, Eq, Encode)]
+pub struct SecurityAssociationLabels {
+    pub uniqueid: String,
+}