From e12e20eb388172a2bb11adc8afede74cd5898bfc Mon Sep 17 00:00:00 2001 From: Nikos Papadakis Date: Fri, 30 Jun 2023 10:25:53 +0300 Subject: [PATCH] agent: add self installation --- agent/Cargo.lock | 601 ++++++++++++++++++++++++++++++++++- agent/Cargo.toml | 5 +- agent/get_prymn.sh | 63 ++++ agent/src/bin/prymn_agent.rs | 53 +-- agent/src/lib.rs | 5 +- agent/src/self_update.rs | 40 +++ agent/src/server/mod.rs | 41 ++- 7 files changed, 764 insertions(+), 44 deletions(-) create mode 100755 agent/get_prymn.sh create mode 100644 agent/src/self_update.rs diff --git a/agent/Cargo.lock b/agent/Cargo.lock index 73a760b..f8e415c 100644 --- a/agent/Cargo.lock +++ b/agent/Cargo.lock @@ -2,6 +2,55 @@ # It is not intended for manual editing. version = 3 +[[package]] +name = "anstream" +version = "0.3.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0ca84f3628370c59db74ee214b3263d58f9aadd9b4fe7e711fd87dc452b7f163" +dependencies = [ + "anstyle", + "anstyle-parse", + "anstyle-query", + "anstyle-wincon", + "colorchoice", + "is-terminal", + "utf8parse", +] + +[[package]] +name = "anstyle" +version = "1.0.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3a30da5c5f2d5e72842e00bcb57657162cdabef0931f40e2deb9b4140440cecd" + +[[package]] +name = "anstyle-parse" +version = "0.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "938874ff5980b03a87c5524b3ae5b59cf99b1d6bc836848df7bc5ada9643c333" +dependencies = [ + "utf8parse", +] + +[[package]] +name = "anstyle-query" +version = "1.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b" +dependencies = [ + "windows-sys 0.48.0", +] + +[[package]] +name = "anstyle-wincon" +version = "1.0.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "180abfa45703aebe0093f79badacc01b8fd4ea2e35118747e5811127f926e188" +dependencies = [ + "anstyle", + "windows-sys 0.48.0", +] + [[package]] name = "anyhow" version = "1.0.71" @@ -82,6 +131,12 @@ version = "1.3.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a" +[[package]] +name = "bumpalo" +version = "3.13.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a3e2c3daef883ecc1b5d58c15adae93470a91d425f3532ba1695849656af3fc1" + [[package]] name = "bytes" version = "1.4.0" @@ -100,6 +155,50 @@ version = "1.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd" +[[package]] +name = "clap" +version = "4.3.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bba77a07e4489fb41bd90e8d4201c3eb246b3c2c9ea2ba0bddd6c1d1df87db7d" +dependencies = [ + "clap_builder", +] + +[[package]] +name = "clap_builder" +version = "4.3.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2c9b4a88bb4bc35d3d6f65a21b0f0bafe9c894fa00978de242c555ec28bea1c0" +dependencies = [ + "anstream", + "anstyle", + "bitflags", + "clap_lex", + "strsim", +] + +[[package]] +name = "clap_lex" +version = "0.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2da6da31387c7e4ef160ffab6d5e7f00c42626fe39aea70a7b0f1773f7dd6c1b" + +[[package]] +name = "colorchoice" +version = "1.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7" + +[[package]] +name = "core-foundation" +version = "0.9.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "194a7a9e6de53fa55116934067c844d9d749312f75c6f6d0980e8c252f8c2146" +dependencies = [ + "core-foundation-sys", + "libc", +] + [[package]] name = "core-foundation-sys" version = "0.8.4" @@ -112,6 +211,15 @@ version = "1.8.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91" +[[package]] +name = "encoding_rs" +version = "0.8.32" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "071a31f4ee85403370b58aca746f01041ede6f0da2730960ad001edc2b71b394" +dependencies = [ + "cfg-if", +] + [[package]] name = "errno" version = "0.3.1" @@ -120,7 +228,7 @@ checksum = "4bcfec3a70f97c962c307b2d2c56e358cf1d00b558d74262b5f929ee8cc7e73a" dependencies = [ "errno-dragonfly", "libc", - "windows-sys", + "windows-sys 0.48.0", ] [[package]] @@ -154,6 +262,30 @@ version = "1.0.7" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1" +[[package]] +name = "foreign-types" +version = "0.3.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1" +dependencies = [ + "foreign-types-shared", +] + +[[package]] +name = "foreign-types-shared" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b" + +[[package]] +name = "form_urlencoded" +version = "1.2.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a62bc1cf6f830c2ec14a513a9fb124d0a213a629668a4186f329db21fe045652" +dependencies = [ + "percent-encoding", +] + [[package]] name = "futures-channel" version = "0.3.28" @@ -169,6 +301,12 @@ version = "0.3.28" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "4bca583b7e26f571124fe5b7561d49cb2868d79116cfa0eefce955557c6fee8c" +[[package]] +name = "futures-io" +version = "0.3.28" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4fff74096e71ed47f8e023204cfd0aa1289cd54ae5430a9523be060cdb849964" + [[package]] name = "futures-sink" version = "0.3.28" @@ -188,9 +326,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "26b01e40b772d54cf6c6d721c1d1abd0647a0106a12ecaa1c186273392a69533" dependencies = [ "futures-core", + "futures-io", "futures-task", + "memchr", "pin-project-lite", "pin-utils", + "slab", ] [[package]] @@ -320,6 +461,29 @@ dependencies = [ "tokio-io-timeout", ] +[[package]] +name = "hyper-tls" +version = "0.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905" +dependencies = [ + "bytes", + "hyper", + "native-tls", + "tokio", + "tokio-native-tls", +] + +[[package]] +name = "idna" +version = "0.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7d20d6b07bfbc108882d88ed8e37d39636dcc260e15e30c45e6ba089610b917c" +dependencies = [ + "unicode-bidi", + "unicode-normalization", +] + [[package]] name = "indexmap" version = "1.9.3" @@ -347,7 +511,25 @@ checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2" dependencies = [ "hermit-abi 0.3.1", "libc", - "windows-sys", + "windows-sys 0.48.0", +] + +[[package]] +name = "ipnet" +version = "2.8.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "28b29a3cd74f0f4598934efe3aeba42bae0eb4680554128851ebbecb02af14e6" + +[[package]] +name = "is-terminal" +version = "0.4.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "adcf93614601c8129ddf72e2d5633df827ba6551541c6d8c59520a371475be1f" +dependencies = [ + "hermit-abi 0.3.1", + "io-lifetimes", + "rustix", + "windows-sys 0.48.0", ] [[package]] @@ -365,6 +547,15 @@ version = "1.0.6" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "453ad9f582a441959e5f0d088b02ce04cfe8d51a8eaf077f12ac6d3e94164ca6" +[[package]] +name = "js-sys" +version = "0.3.64" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c5f195fe497f702db0f318b07fdd68edb16955aed830df8363d837542f8f935a" +dependencies = [ + "wasm-bindgen", +] + [[package]] name = "lazy_static" version = "1.4.0" @@ -373,9 +564,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646" [[package]] name = "libc" -version = "0.2.146" +version = "0.2.147" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f92be4933c13fd498862a9e02a3055f8a8d9c039ce33db97306fd5a6caa7f29b" +checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3" [[package]] name = "linux-raw-sys" @@ -415,7 +606,7 @@ checksum = "927a765cd3fc26206e66b296465fa9d3e5ab003e651c1b3c060e7956d96b19d2" dependencies = [ "libc", "wasi", - "windows-sys", + "windows-sys 0.48.0", ] [[package]] @@ -424,6 +615,24 @@ version = "0.8.3" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a" +[[package]] +name = "native-tls" +version = "0.2.11" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "07226173c32f2926027b63cce4bcd8076c3552846cbe7925f3aaffeac0a3b92e" +dependencies = [ + "lazy_static", + "libc", + "log", + "openssl", + "openssl-probe", + "openssl-sys", + "schannel", + "security-framework", + "security-framework-sys", + "tempfile", +] + [[package]] name = "ntapi" version = "0.4.1" @@ -459,6 +668,50 @@ version = "1.18.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d" +[[package]] +name = "openssl" +version = "0.10.55" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "345df152bc43501c5eb9e4654ff05f794effb78d4efe3d53abc158baddc0703d" +dependencies = [ + "bitflags", + "cfg-if", + "foreign-types", + "libc", + "once_cell", + "openssl-macros", + "openssl-sys", +] + +[[package]] +name = "openssl-macros" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c" +dependencies = [ + "proc-macro2", + "quote", + "syn 2.0.18", +] + +[[package]] +name = "openssl-probe" +version = "0.1.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf" + +[[package]] +name = "openssl-sys" +version = "0.9.90" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "374533b0e45f3a7ced10fcaeccca020e66656bc03dac384f852e4e5a7a8104a6" +dependencies = [ + "cc", + "libc", + "pkg-config", + "vcpkg", +] + [[package]] name = "overload" version = "0.1.1" @@ -513,6 +766,12 @@ version = "0.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184" +[[package]] +name = "pkg-config" +version = "0.3.27" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964" + [[package]] name = "ppv-lite86" version = "0.2.17" @@ -597,7 +856,10 @@ name = "prymn_agent" version = "0.1.0" dependencies = [ "anyhow", + "clap", + "libc", "prost", + "reqwest", "sysinfo", "tokio", "tokio-stream", @@ -670,6 +932,43 @@ version = "0.7.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "436b050e76ed2903236f032a59761c1eb99e1b0aead2c257922771dab1fc8c78" +[[package]] +name = "reqwest" +version = "0.11.18" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "cde824a14b7c14f85caff81225f411faacc04a2013f41670f41443742b1c1c55" +dependencies = [ + "base64", + "bytes", + "encoding_rs", + "futures-core", + "futures-util", + "h2", + "http", + "http-body", + "hyper", + "hyper-tls", + "ipnet", + "js-sys", + "log", + "mime", + "native-tls", + "once_cell", + "percent-encoding", + "pin-project-lite", + "serde", + "serde_json", + "serde_urlencoded", + "tokio", + "tokio-native-tls", + "tower-service", + "url", + "wasm-bindgen", + "wasm-bindgen-futures", + "web-sys", + "winreg", +] + [[package]] name = "rustix" version = "0.37.20" @@ -681,7 +980,7 @@ dependencies = [ "io-lifetimes", "libc", "linux-raw-sys", - "windows-sys", + "windows-sys 0.48.0", ] [[package]] @@ -690,12 +989,73 @@ version = "1.0.12" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "4f3208ce4d8448b3f3e7d168a73f5e0c43a61e32930de3bceeccedb388b6bf06" +[[package]] +name = "ryu" +version = "1.0.13" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f91339c0467de62360649f8d3e185ca8de4224ff281f66000de5eb2a77a79041" + +[[package]] +name = "schannel" +version = "0.1.21" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "713cfb06c7059f3588fb8044c0fad1d09e3c01d225e25b9220dbfdcf16dbb1b3" +dependencies = [ + "windows-sys 0.42.0", +] + +[[package]] +name = "security-framework" +version = "2.9.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1fc758eb7bffce5b308734e9b0c1468893cae9ff70ebf13e7090be8dcbcc83a8" +dependencies = [ + "bitflags", + "core-foundation", + "core-foundation-sys", + "libc", + "security-framework-sys", +] + +[[package]] +name = "security-framework-sys" +version = "2.9.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f51d0c0d83bec45f16480d0ce0058397a69e48fcdc52d1dc8855fb68acbd31a7" +dependencies = [ + "core-foundation-sys", + "libc", +] + [[package]] name = "serde" version = "1.0.164" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "9e8c8cf938e98f769bc164923b06dce91cea1751522f46f8466461af04c9027d" +[[package]] +name = "serde_json" +version = "1.0.99" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "46266871c240a00b8f503b877622fe33430b3c7d963bdc0f2adc511e54a1eae3" +dependencies = [ + "itoa", + "ryu", + "serde", +] + +[[package]] +name = "serde_urlencoded" +version = "0.7.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd" +dependencies = [ + "form_urlencoded", + "itoa", + "ryu", + "serde", +] + [[package]] name = "sharded-slab" version = "0.1.4" @@ -739,6 +1099,12 @@ dependencies = [ "winapi", ] +[[package]] +name = "strsim" +version = "0.10.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623" + [[package]] name = "syn" version = "1.0.109" @@ -792,7 +1158,7 @@ dependencies = [ "fastrand", "redox_syscall", "rustix", - "windows-sys", + "windows-sys 0.48.0", ] [[package]] @@ -805,6 +1171,21 @@ dependencies = [ "once_cell", ] +[[package]] +name = "tinyvec" +version = "1.6.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50" +dependencies = [ + "tinyvec_macros", +] + +[[package]] +name = "tinyvec_macros" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20" + [[package]] name = "tokio" version = "1.28.2" @@ -820,7 +1201,7 @@ dependencies = [ "signal-hook-registry", "socket2", "tokio-macros", - "windows-sys", + "windows-sys 0.48.0", ] [[package]] @@ -844,6 +1225,16 @@ dependencies = [ "syn 2.0.18", ] +[[package]] +name = "tokio-native-tls" +version = "0.3.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bbae76ab933c85776efabc971569dd6119c580d8f5d448769dec1764bf796ef2" +dependencies = [ + "native-tls", + "tokio", +] + [[package]] name = "tokio-stream" version = "0.1.14" @@ -1006,18 +1397,56 @@ version = "0.2.4" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = 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} tokio-stream = { version = "0.1.14", features = ["net"] } tonic = "0.9.2" tracing = "0.1.37" diff --git a/agent/get_prymn.sh b/agent/get_prymn.sh new file mode 100755 index 0000000..f54db09 --- /dev/null +++ b/agent/get_prymn.sh @@ -0,0 +1,63 @@ +#!/bin/sh +# shellcheck shell=dash + +# A simple script that is run on a remote host to download and install the +# agent binary. + +set -u + +# For Dev: file:///home/nikos/Projects/prymn/agent/target/debug/prymn_agent +GET_PRYMN_ROOT="${GET_PRYMN_ROOT:?You need to set GET_PRYMN_ROOT to the prymn_agent path for now}" + +main() { + # Check for dependencies + check_for_command curl + check_for_command mktemp + + local dir + if ! dir="$(mktemp -d)"; then + error "mktemp was not executed successfully" + fi + + local file="${dir}/prymn_agent" + local url="${GET_PRYMN_ROOT}" + + printf "downloading prymn agent...\n" 1>&2 + + ensure download "${url}" "${file}" + ensure chmod u+x "$file" + + # Run the installer + "$file" --install + local ret=$? + + rm "${file}" + rmdir "${dir}" + + return $ret +} + +download() { + local err + err=$(curl -sSfL "$1" -o "$2" 2>&1) + if [ -n "$err" ]; then + error "$err" + fi +} + +error() { + printf "Error: %s\n" "$1" >&2 + exit 1 +} + +check_for_command() { + if ! command -v "$1" > /dev/null 2>&1; then + error "get_prymn.sh requires the program '$1' but it was not found in your system." + fi +} + +ensure() { + "$@" || error "failed to execute: $*" +} + +main "$@" || exit 1 diff --git a/agent/src/bin/prymn_agent.rs b/agent/src/bin/prymn_agent.rs index 153e7c3..81276af 100644 --- a/agent/src/bin/prymn_agent.rs +++ b/agent/src/bin/prymn_agent.rs @@ -1,28 +1,37 @@ -use prymn_agent::new_server; -use tokio::sync::oneshot; +use anyhow::anyhow; +use clap::arg; +use prymn_agent::{self_update, server}; + +fn main() -> anyhow::Result<()> { + if std::env::consts::OS != "linux" { + return Err(anyhow!("platform is not linux!")); + } -#[tokio::main] -async fn main() -> anyhow::Result<()> { tracing_subscriber::fmt().init(); - let (shutdown_tx, shutdown_rx) = oneshot::channel(); + let command = clap::Command::new(env!("CARGO_BIN_NAME")) + .version(env!("CARGO_PKG_VERSION")) + .arg(arg!(-d --daemon "Run agent as daemon").exclusive(true)) + .arg(arg!(--install "Install this agent binary to the system").exclusive(true)) + .arg(arg!(--update "Download updated agent version and install it").exclusive(true)) + .arg_required_else_help(true) + .try_get_matches() + .unwrap_or_else(|e| e.exit()); - tokio::spawn(async { - tokio::signal::ctrl_c() - .await - .expect("could not listen to ctrl_c signal"); + let is_daemon = command.get_flag("daemon"); + let is_install = command.get_flag("install"); + let is_update = command.get_flag("update"); - shutdown_tx.send(()).expect("bug: channel closed"); - }); - - let addr = "0.0.0.0:50012".parse()?; - tracing::info!(message = "starting new agent", %addr); - - new_server() - .serve_with_shutdown(addr, async { - let _ = shutdown_rx.await; - }) - .await?; - - Ok(()) + if is_daemon { + tracing::info!("running as daemon"); + server::main() + } else if is_install { + tracing::info!("running install mode"); + self_update::install() + } else if is_update { + tracing::info!("running update mode"); + self_update::update() + } else { + unreachable!() + } } diff --git a/agent/src/lib.rs b/agent/src/lib.rs index 9d529b7..0094ae6 100644 --- a/agent/src/lib.rs +++ b/agent/src/lib.rs @@ -1,3 +1,2 @@ -mod server; - -pub use server::new_server; +pub mod self_update; +pub mod server; diff --git a/agent/src/self_update.rs b/agent/src/self_update.rs new file mode 100644 index 0000000..b39b66a --- /dev/null +++ b/agent/src/self_update.rs @@ -0,0 +1,40 @@ +use std::{os::unix::prelude::PermissionsExt, path::Path}; + +use reqwest::Url; + +const GET_PRYMN_URL: &str = "todo"; + +pub fn update() -> anyhow::Result<()> { + let _url = { + let url = std::env::var("GET_PRYMN_URL").unwrap_or_else(|_| String::from(GET_PRYMN_URL)); + Url::parse(&url)? + }; + + todo!(); +} + +pub fn install() -> anyhow::Result<()> { + let this_exe = std::env::current_exe()?; + let prymn_path = Path::new("/usr/local/bin/prymn_agent"); + + copy_binary(&this_exe, prymn_path) +} + +fn copy_binary(src: impl AsRef, dest: impl AsRef) -> anyhow::Result<()> { + let src = src.as_ref(); + let dest = dest.as_ref(); + + if dest.exists() { + // unlink the potentially running binary + std::fs::remove_file(dest)?; + } + + std::fs::copy(src, dest)?; + + let metadata = dest.metadata()?; + let mut perms = metadata.permissions(); + perms.set_mode(0o755); + std::fs::set_permissions(dest, perms)?; + + Ok(()) +} diff --git a/agent/src/server/mod.rs b/agent/src/server/mod.rs index 1a2f9be..fe11ba6 100644 --- a/agent/src/server/mod.rs +++ b/agent/src/server/mod.rs @@ -6,11 +6,16 @@ use std::{ sync::{Arc, Mutex}, }; +use anyhow::Context; use sysinfo::{CpuExt, DiskExt, System, SystemExt}; -use tokio_stream::{wrappers::ReceiverStream, Stream, StreamExt}; +use tokio::{net::TcpListener, signal, sync::oneshot}; +use tokio_stream::{ + wrappers::{ReceiverStream, TcpListenerStream}, + Stream, StreamExt, +}; use tonic::{transport::server::Router, Request, Response, Status}; -pub struct Server { +struct Server { sys: Arc>, } @@ -95,7 +100,37 @@ impl rpc::agent_server::Agent for Server { } } -pub fn new_server() -> Router { +#[tokio::main] +pub async fn main() -> anyhow::Result<()> { + let address = "0.0.0.0:50012"; + + let incoming = { + let listener = TcpListener::bind(address) + .await + .with_context(|| format!("can't bind deamon to address {address}"))?; + + TcpListenerStream::new(listener) + }; + + let (shutdown_tx, shutdown_rx) = oneshot::channel(); + + tokio::spawn(async { + signal::ctrl_c() + .await + .expect("could not listen to shutdown signals"); + + shutdown_tx.send(()).expect("bug: channel closed"); + }); + + new_server() + .serve_with_incoming_shutdown(incoming, async { + let _ = shutdown_rx.await; + }) + .await?; + Ok(()) +} + +fn new_server() -> Router { let server = Server { sys: Arc::new(Mutex::new(System::new_all())), };