Added ssh functionality and improved hostnames

Cargo.lock

@@ -3,20 +3,75 @@
 version = 3
 
 [[package]]
-name = "aho-corasick"
+name = "addr2line"
-version = "1.1.3"
+version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
+checksum = "6e4503c46a5c0c7844e948c9a4d6acd9f50cccb4de1c48eb9e291ea17470c678"
 dependencies = [
- "memchr",
+ "gimli",
 ]
 
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
+[[package]]
+name = "backtrace"
+version = "0.3.73"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5cc23269a4f8976d0a4d2e7109211a419fe30e8d88d677cd60b6bc79c5732e0a"
+dependencies = [
+ "addr2line",
+ "cc",
+ "cfg-if",
+ "libc",
+ "miniz_oxide",
+ "object",
+ "rustc-demangle",
+]
+
+[[package]]
+name = "bitflags"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
+
+[[package]]
+name = "bytes"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "514de17de45fdb8dc022b1a7975556c53c86f9f0aa5f534b98977b171857c2c9"
+
+[[package]]
+name = "cc"
+version = "1.0.105"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5208975e568d83b6b05cc0a063c8e7e9acc2b43bee6da15616a5b73e109d7437"
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "errno"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "534c5cf6194dfab3db3242765c03bbe257cf92f22b38f6bc0c58d59108a820ba"
+dependencies = [
+ "libc",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "fastrand"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9fc0510504f03c51ada170672ac806f1f105a88aa97a5281117e1ddc3368e51a"
+
 [[package]]
 name = "getrandom"
 version = "0.2.15"
@@ -28,12 +83,36 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "gimli"
+version = "0.29.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "40ecd4077b5ae9fd2e9e169b102c6c330d0605168eb0e8bf79952b256dbefffd"
+
+[[package]]
+name = "hermit-abi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
+
+[[package]]
+name = "hostname-validator"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f558a64ac9af88b5ba400d99b579451af0d39c6d360980045b91aac966d705e2"
+
 [[package]]
 name = "libc"
 version = "0.2.155"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.4.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89"
+
 [[package]]
 name = "memchr"
 version = "2.7.4"
@@ -44,11 +123,79 @@ checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 name = "minimon"
 version = "0.1.0"
 dependencies = [
+ "hostname-validator",
+ "openssh",
  "ping",
- "regex",
  "thiserror",
+ "tokio",
 ]
 
+[[package]]
+name = "miniz_oxide"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8a240ddb74feaf34a79a7add65a741f3167852fba007066dcac1ca548d89c08"
+dependencies = [
+ "adler",
+]
+
+[[package]]
+name = "mio"
+version = "0.8.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4a650543ca06a924e8b371db273b2756685faae30f8487da1b56505a8f78b0c"
+dependencies = [
+ "libc",
+ "wasi",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "num_cpus"
+version = "1.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43"
+dependencies = [
+ "hermit-abi",
+ "libc",
+]
+
+[[package]]
+name = "object"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "081b846d1d56ddfc18fdf1a922e4f6e07a11768ea1b92dec44e42b72712ccfce"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "once_cell"
+version = "1.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
+
+[[package]]
+name = "openssh"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "432f4a7e4d194272876710557e6b712fc304e7b4711e2063655df1e446b4b8e3"
+dependencies = [
+ "libc",
+ "once_cell",
+ "shell-escape",
+ "tempfile",
+ "thiserror",
+ "tokio",
+ "tokio-pipe",
+]
+
+[[package]]
+name = "pin-project-lite"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bda66fc9667c18cb2758a2ac84d1167245054bcf85d5d1aaa6923f45801bdd02"
+
 [[package]]
 name = "ping"
 version = "0.5.2"
@@ -56,7 +203,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "122ee1f5a6843bec84fcbd5c6ba3622115337a6b8965b93a61aad347648f4e8d"
 dependencies = [
  "rand",
- "socket2",
+ "socket2 0.4.10",
  "thiserror",
 ]
 
@@ -115,33 +262,38 @@ dependencies = [
 ]
 
 [[package]]
-name = "regex"
+name = "rustc-demangle"
-version = "1.10.5"
+version = "0.1.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b91213439dad192326a0d7c6ee3955910425f441d7038e0d6933b0aec5c4517f"
+checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
+
+[[package]]
+name = "rustix"
+version = "0.38.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70dc5ec042f7a43c4a73241207cecc9873a06d45debb38b329f8541d85c2730f"
 dependencies = [
- "aho-corasick",
+ "bitflags",
- "memchr",
+ "errno",
- "regex-automata",
+ "libc",
- "regex-syntax",
+ "linux-raw-sys",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
-name = "regex-automata"
+name = "shell-escape"
-version = "0.4.7"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38caf58cc5ef2fed281f89292ef23f6365465ed9a41b7a7754eb4e26496c92df"
+checksum = "45bb67a18fa91266cc7807181f62f9178a6873bfad7dc788c42e6430db40184f"
-dependencies = [
- "aho-corasick",
- "memchr",
- "regex-syntax",
-]
 
 [[package]]
-name = "regex-syntax"
+name = "signal-hook-registry"
-version = "0.8.4"
+version = "1.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a66a03ae7c801facd77a29370b4faec201768915ac14a721ba36f20bc9c209b"
+checksum = "a9e9e0b4211b72e7b8b6e85c807d36c212bdb33ea8587f7569562a84df5465b1"
+dependencies = [
+ "libc",
+]
 
 [[package]]
 name = "socket2"
@@ -154,16 +306,38 @@ dependencies = [
 ]
 
 [[package]]
-name = "syn"
+name = "socket2"
-version = "2.0.68"
+version = "0.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "901fa70d88b9d6c98022e23b4136f9f3e54e4662c3bc1bd1d84a42a9a0f0c1e9"
+checksum = "ce305eb0b4296696835b71df73eb912e0f1ffd2556a501fcede6e0c50349191c"
+dependencies = [
+ "libc",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "syn"
+version = "2.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "201fcda3845c23e8212cd466bfebf0bd20694490fc0356ae8e428e0824a915a6"
 dependencies = [
  "proc-macro2",
  "quote",
  "unicode-ident",
 ]
 
+[[package]]
+name = "tempfile"
+version = "3.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85b77fafb263dd9d05cbeac119526425676db3784113aa9295c88498cbf8bff1"
+dependencies = [
+ "cfg-if",
+ "fastrand",
+ "rustix",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "thiserror"
 version = "1.0.61"
@@ -184,6 +358,45 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tokio"
+version = "1.38.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba4f4a02a7a80d6f274636f0aa95c7e383b912d41fe721a31f29e29698585a4a"
+dependencies = [
+ "backtrace",
+ "bytes",
+ "libc",
+ "mio",
+ "num_cpus",
+ "pin-project-lite",
+ "signal-hook-registry",
+ "socket2 0.5.7",
+ "tokio-macros",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "tokio-macros"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f5ae998a069d4b5aba8ee9dad856af7d520c3699e6159b185c2acd48155d39a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "tokio-pipe"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f213a84bffbd61b8fa0ba8a044b4bbe35d471d0b518867181e82bd5c15542784"
+dependencies = [
+ "libc",
+ "tokio",
+]
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.12"
@@ -217,3 +430,142 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "windows-sys"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
+dependencies = [
+ "windows-targets 0.48.5",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets 0.52.6",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
+dependencies = [
+ "windows_aarch64_gnullvm 0.48.5",
+ "windows_aarch64_msvc 0.48.5",
+ "windows_i686_gnu 0.48.5",
+ "windows_i686_msvc 0.48.5",
+ "windows_x86_64_gnu 0.48.5",
+ "windows_x86_64_gnullvm 0.48.5",
+ "windows_x86_64_msvc 0.48.5",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
+dependencies = [
+ "windows_aarch64_gnullvm 0.52.6",
+ "windows_aarch64_msvc 0.52.6",
+ "windows_i686_gnu 0.52.6",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc 0.52.6",
+ "windows_x86_64_gnu 0.52.6",
+ "windows_x86_64_gnullvm 0.52.6",
+ "windows_x86_64_msvc 0.52.6",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"

Cargo.toml

@@ -4,6 +4,8 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+hostname-validator = "1.1.1"
+openssh = "0.10.4"
 ping = "0.5.2"
-regex = "1.10.5"
 thiserror = "1.0.61"
+tokio = { version = "1.38.0", features = ["rt-multi-thread"] }

src/hostname.rs

@@ -1,35 +1,26 @@
 use ::thiserror::Error;
-use regex::Regex;
-
-const VALID_IP_ADDRESS_PATTERN: &str = r"^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$";
-const VALID_HOSTNAME_PATTERN: &str = r"^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$";
 
 #[derive(Clone, Debug, Error)]
 #[error("The hostname \"{0}\" is invalid")]
 pub struct InvalidHostnameError(String);
 
 pub struct Hostname {
-    hostname: String,
+    pub value: String,
 }
 
 impl Hostname {
     pub fn new(hostname: &str) -> Result<Hostname, InvalidHostnameError> {
-        if Self::is_valid_ip(&hostname) || Self::is_valid_hostname(&hostname) {
+        if Self::is_valid_hostname(&hostname) {
             Ok(Hostname {
-                hostname: hostname.to_string(),
+                value: hostname.to_string(),
             })
         } else {
             Err(InvalidHostnameError(hostname.to_string()))
         }
     }
 
-    fn is_valid_ip(ip: &str) -> bool {
-        let re = Regex::new(VALID_IP_ADDRESS_PATTERN).unwrap();
-        re.is_match(ip)
-    }
     fn is_valid_hostname(hostname: &str) -> bool {
-        let re = Regex::new(VALID_HOSTNAME_PATTERN).unwrap();
+        hostname_validator::is_valid(hostname)
-        re.is_match(hostname)
     }
 }
 
@@ -57,12 +48,24 @@ mod tests {
         assert!(Hostname::new("is-42-the-response").is_ok());
         assert!(Hostname::new("GoB.NaSa-42.eu").is_ok());
         assert!(Hostname::new("256.127.63.31").is_ok());
+        assert!(Hostname::new(
+            "es.this-large-hostname-is-destined-to-work.so-you-dont-need-to-worry-for-anything.com"
+        )
+        .is_ok());
     }
 
     #[test]
     fn invalid_hostnames() {
         assert!(Hostname::new("no..double.dots").is_err());
-        assert!(Hostname::new("#illegal-character").is_err()); // We don't support IPv6 yet
+        assert!(Hostname::new("#illegal-character").is_err());
+        assert!(Hostname::new(
+            "es.this-large-hostname-is-destined-to-panic-so-hard-that-it-will-break-computer.com"
+        )
+        .is_err());
+        assert!(Hostname::new(
+            "too-large-hostname.too-large-hostname.too-large-hostname.too-large-hostname.too-large-hostname.too-large-hostname.too-large-hostname.too-large-hostname.too-large-hostname.too-large-hostname.too-large-hostname.too-large-hostname.too-large-hostname.too-large-hostname"
+        )
+        .is_err());
         assert!(Hostname::new("").is_err());
         assert!(Hostname::new("not-end-with-hyphen-").is_err());
     }

src/machine.rs

@@ -1,15 +1,8 @@
 use crate::hostname::Hostname;
-use std::collections::HashMap;
 
 pub struct Machine {
-    name: String,
+    pub name: String,
-    hostname: Hostname,
+    pub hostname: Hostname,
-}
-
-pub enum Status {
-    Unreachable,
-    Forbidden,
-    Success(HashMap<String, String>),
 }
 
 impl Machine {
@@ -20,16 +13,3 @@ impl Machine {
         }
     }
 }
-
-pub trait Monitor {
-    fn monitor(machine: &Machine) -> Status;
-}
-
-#[derive(Debug)]
-struct SshMonitor {}
-
-impl Monitor for SshMonitor {
-    fn monitor(machine: &Machine) -> Status {
-        todo!()
-    }
-}

src/main.rs

@@ -1,8 +1,26 @@
+use hostname::Hostname;
+use machine::Machine;
+use monitor::Monitor;
+use ssh_monitor::SshMonitor;
+
 mod hostname;
 mod machine;
-mod ping_monitor;
+mod monitor;
-use machine::Machine;
+mod ssh_monitor;
 
-fn main() {
+#[tokio::main]
+async fn main() {
     println!("Hello, world!");
+
+    let machine = Machine::new("kogasa", Hostname::new("kogasa").unwrap());
+
+    let status = SshMonitor::monitor(&machine).await;
+
+    println!("{}:", machine.name);
+
+    if let Ok(commands) = status {
+        for (command, output) in commands.iter() {
+            println!("{}: {}", command, output);
+        }
+    }
 }

src/monitor.rs

@@ -0,0 +1,7 @@
+use std::{collections::HashMap, error::Error};
+
+use crate::machine::Machine;
+
+pub trait Monitor {
+    async fn monitor(machine: &Machine) -> Result<HashMap<String, String>, Box<dyn Error>>;
+}

src/ping_monitor.rs

@@ -1,18 +0,0 @@
-use crate::machine::{Machine, Monitor, Status};
-
-#[derive(Debug)]
-struct PingMonitor {}
-
-impl Monitor for PingMonitor {
-    fn monitor(machine: &Machine) -> Status {
-        todo!()
-    }
-}
-
-#[cfg(test)]
-mod test {
-    #[test]
-    fn monitor_works() {
-        assert!(true)
-    }
-}

src/ssh_monitor.rs

@@ -0,0 +1,35 @@
+use std::{collections::HashMap, error::Error};
+
+use openssh::{KnownHosts, Session};
+
+use crate::{machine::Machine, monitor::Monitor};
+
+#[derive(Debug)]
+pub struct SshMonitor {}
+
+impl Monitor for SshMonitor {
+    async fn monitor(machine: &Machine) -> Result<HashMap<String, String>, Box<dyn Error>> {
+        let result = Self::monitor_with_ssh(&machine).await;
+        match result {
+            Ok(commands) => Ok(commands),
+            Err(ssh_error) => Err(Box::new(ssh_error)),
+        }
+    }
+}
+
+impl SshMonitor {
+    async fn monitor_with_ssh(
+        machine: &Machine,
+    ) -> Result<HashMap<String, String>, openssh::Error> {
+        let uri = format!("ssh://{}", &machine.hostname.value);
+        let session = Session::connect(uri, KnownHosts::Accept).await?;
+        let output = session.command("neofetch").output().await?;
+        let mut commands = HashMap::new();
+        commands.insert(
+            "neofetch".to_string(),
+            String::from_utf8(output.stdout).unwrap(),
+        );
+
+        Ok(commands)
+    }
+}