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@ -0,0 +1,2 @@
|
|||
[alias]
|
||||
runs = "run -- paper 1.19.4-545 --config data/config --backup data/backups --world data/worlds data/paper-1.19.4-545.jar"
|
||||
|
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@ -6,7 +6,7 @@ target/
|
|||
|
||||
# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
|
||||
# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
|
||||
Cargo.lock
|
||||
#Cargo.lock
|
||||
|
||||
# These are backup files generated by rustfmt
|
||||
**/*.rs.bk
|
||||
|
|
@ -16,3 +16,7 @@ Cargo.lock
|
|||
# Added by cargo
|
||||
|
||||
/target
|
||||
|
||||
# testing files
|
||||
*.jar
|
||||
data/
|
||||
|
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|
|||
|
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@ -0,0 +1,19 @@
|
|||
matrix:
|
||||
ARCH:
|
||||
- 'amd64'
|
||||
- 'arm64'
|
||||
|
||||
platform: "linux/${ARCH}"
|
||||
|
||||
branches:
|
||||
exclude: [main]
|
||||
|
||||
pipeline:
|
||||
build:
|
||||
image: 'rust:1.70-alpine3.18'
|
||||
commands:
|
||||
- apk add --no-cache build-base
|
||||
- cargo build --verbose
|
||||
- cargo test --verbose
|
||||
# Binaries, even debug ones, should be statically compiled
|
||||
- '[ "$(readelf -d target/debug/alex | grep NEEDED | wc -l)" = 0 ]'
|
||||
|
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@ -0,0 +1,11 @@
|
|||
platform: 'linux/amd64'
|
||||
|
||||
branches:
|
||||
exclude: [main]
|
||||
|
||||
pipeline:
|
||||
clippy:
|
||||
image: 'rust:1.70'
|
||||
commands:
|
||||
- rustup component add clippy
|
||||
- cargo clippy -- --no-deps -Dwarnings
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
platform: 'linux/amd64'
|
||||
|
||||
branches:
|
||||
exclude: [main]
|
||||
|
||||
pipeline:
|
||||
lint:
|
||||
image: 'rust:1.70'
|
||||
commands:
|
||||
- rustup component add rustfmt
|
||||
- cargo fmt -- --check
|
||||
|
|
@ -0,0 +1,33 @@
|
|||
matrix:
|
||||
PLATFORM:
|
||||
- 'linux/amd64'
|
||||
# - 'linux/arm64'
|
||||
|
||||
platform: $PLATFORM
|
||||
branches: [ main ]
|
||||
|
||||
pipeline:
|
||||
build:
|
||||
image: 'rust:1.70-alpine3.18'
|
||||
commands:
|
||||
- apk add --no-cache build-base
|
||||
- cargo build --release --verbose
|
||||
# Ensure the release binary is also statically compiled
|
||||
- '[ "$(readelf -d target/release/alex | grep NEEDED | wc -l)" = 0 ]'
|
||||
- du -h target/release/alex
|
||||
- mv target/release/alex target/release/alex-$(echo '${PLATFORM}' | sed 's:/:-:g')"
|
||||
when:
|
||||
event: tag
|
||||
|
||||
publish:
|
||||
image: 'plugins/gitea-release'
|
||||
secrets:
|
||||
- gitea_release_api_key
|
||||
settings:
|
||||
base_url: https://git.rustybever.be
|
||||
files: target/release/alex-*
|
||||
checksum:
|
||||
- sha256
|
||||
title: ${CI_COMMIT_TAG}
|
||||
when:
|
||||
event: tag
|
||||
|
|
@ -0,0 +1,17 @@
|
|||
# Changelog
|
||||
|
||||
All notable changes to this project will be documented in this file.
|
||||
|
||||
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
|
||||
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
|
||||
|
||||
## [Unreleased](https://git.rustybever.be/Chewing_Bever/alex/src/branch/dev)
|
||||
|
||||
## [0.1.0](https://git.rustybever.be/Chewing_Bever/alex/src/tag/0.1.0)
|
||||
|
||||
### Added
|
||||
|
||||
* CLI interface
|
||||
* Working backup command
|
||||
* Thread for periodic backups
|
||||
* Env var support
|
||||
|
|
@ -0,0 +1,601 @@
|
|||
# This file is automatically @generated by Cargo.
|
||||
# It is not intended for manual editing.
|
||||
version = 3
|
||||
|
||||
[[package]]
|
||||
name = "adler"
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|
||||
|
||||
[[package]]
|
||||
name = "alex"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"chrono",
|
||||
"clap",
|
||||
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||||
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|
||||
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||||
|
||||
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|
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|
||||
|
||||
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|
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|
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|
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[[package]]
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|
||||
|
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[[package]]
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[[package]]
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|
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[[package]]
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[[package]]
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|
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[[package]]
|
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||||
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"time",
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"wasm-bindgen",
|
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"winapi",
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||||
|
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[[package]]
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||||
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|
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|
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|
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||||
|
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[[package]]
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[[package]]
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||||
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||||
[[package]]
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||||
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||||
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|
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|
||||
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||||
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|
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|
||||
checksum = "ef53942eb7bf7ff43a617b3e2c1c4a5ecf5944a7c1bc12d7ee39bbb15e5c1519"
|
||||
|
||||
[[package]]
|
||||
name = "log"
|
||||
version = "0.4.18"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "518ef76f2f87365916b142844c16d8fefd85039bc5699050210a7778ee1cd1de"
|
||||
|
||||
[[package]]
|
||||
name = "miniz_oxide"
|
||||
version = "0.7.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
|
||||
dependencies = [
|
||||
"adler",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "num-traits"
|
||||
version = "0.2.15"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
|
||||
dependencies = [
|
||||
"autocfg",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "once_cell"
|
||||
version = "1.17.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9670a07f94779e00908f3e686eab508878ebb390ba6e604d3a284c00e8d0487b"
|
||||
|
||||
[[package]]
|
||||
name = "proc-macro2"
|
||||
version = "1.0.59"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6aeca18b86b413c660b781aa319e4e2648a3e6f9eadc9b47e9038e6fe9f3451b"
|
||||
dependencies = [
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "quote"
|
||||
version = "1.0.28"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1b9ab9c7eadfd8df19006f1cf1a4aed13540ed5cbc047010ece5826e10825488"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "redox_syscall"
|
||||
version = "0.2.16"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
|
||||
dependencies = [
|
||||
"bitflags",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rustix"
|
||||
version = "0.37.19"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "acf8729d8542766f1b2cf77eb034d52f40d375bb8b615d0b147089946e16613d"
|
||||
dependencies = [
|
||||
"bitflags",
|
||||
"errno",
|
||||
"io-lifetimes",
|
||||
"libc",
|
||||
"linux-raw-sys",
|
||||
"windows-sys",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "strsim"
|
||||
version = "0.10.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "2.0.18"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "32d41677bcbe24c20c52e7c70b0d8db04134c5d1066bf98662e2871ad200ea3e"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tar"
|
||||
version = "0.4.38"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4b55807c0344e1e6c04d7c965f5289c39a8d94ae23ed5c0b57aabac549f871c6"
|
||||
dependencies = [
|
||||
"filetime",
|
||||
"libc",
|
||||
"xattr",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "time"
|
||||
version = "0.1.45"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1b797afad3f312d1c66a56d11d0316f916356d11bd158fbc6ca6389ff6bf805a"
|
||||
dependencies = [
|
||||
"libc",
|
||||
"wasi",
|
||||
"winapi",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "unicode-ident"
|
||||
version = "1.0.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b15811caf2415fb889178633e7724bad2509101cde276048e013b9def5e51fa0"
|
||||
|
||||
[[package]]
|
||||
name = "utf8parse"
|
||||
version = "0.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
|
||||
|
||||
[[package]]
|
||||
name = "wasi"
|
||||
version = "0.10.0+wasi-snapshot-preview1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen"
|
||||
version = "0.2.86"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5bba0e8cb82ba49ff4e229459ff22a191bbe9a1cb3a341610c9c33efc27ddf73"
|
||||
dependencies = [
|
||||
"cfg-if",
|
||||
"wasm-bindgen-macro",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen-backend"
|
||||
version = "0.2.86"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "19b04bc93f9d6bdee709f6bd2118f57dd6679cf1176a1af464fca3ab0d66d8fb"
|
||||
dependencies = [
|
||||
"bumpalo",
|
||||
"log",
|
||||
"once_cell",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
"wasm-bindgen-shared",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen-macro"
|
||||
version = "0.2.86"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "14d6b024f1a526bb0234f52840389927257beb670610081360e5a03c5df9c258"
|
||||
dependencies = [
|
||||
"quote",
|
||||
"wasm-bindgen-macro-support",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen-macro-support"
|
||||
version = "0.2.86"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e128beba882dd1eb6200e1dc92ae6c5dbaa4311aa7bb211ca035779e5efc39f8"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
"wasm-bindgen-backend",
|
||||
"wasm-bindgen-shared",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen-shared"
|
||||
version = "0.2.86"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ed9d5b4305409d1fc9482fee2d7f9bcbf24b3972bf59817ef757e23982242a93"
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
|
||||
dependencies = [
|
||||
"winapi-i686-pc-windows-gnu",
|
||||
"winapi-x86_64-pc-windows-gnu",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-i686-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
|
||||
[[package]]
|
||||
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"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e686886bc078bc1b0b600cac0147aadb815089b6e4da64016cbd754b6342700f"
|
||||
dependencies = [
|
||||
"windows-targets",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-sys"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
|
||||
dependencies = [
|
||||
"windows-targets",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-targets"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7b1eb6f0cd7c80c79759c929114ef071b87354ce476d9d94271031c0497adfd5"
|
||||
dependencies = [
|
||||
"windows_aarch64_gnullvm",
|
||||
"windows_aarch64_msvc",
|
||||
"windows_i686_gnu",
|
||||
"windows_i686_msvc",
|
||||
"windows_x86_64_gnu",
|
||||
"windows_x86_64_gnullvm",
|
||||
"windows_x86_64_msvc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_gnullvm"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b2ef27e0d7bdfcfc7b868b317c1d32c641a6fe4629c171b8928c7b08d98d7cf3"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ca2b8a661f7628cbd23440e50b05d705db3686f894fc9580820623656af974b1"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.48.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
|
||||
|
||||
[[package]]
|
||||
name = "xattr"
|
||||
version = "0.2.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6d1526bbe5aaeb5eb06885f4d987bcdfa5e23187055de9b83fe00156a821fabc"
|
||||
dependencies = [
|
||||
"libc",
|
||||
]
|
||||
14
Cargo.toml
14
Cargo.toml
|
|
@ -1,19 +1,23 @@
|
|||
[package]
|
||||
name = "mc-wrapper"
|
||||
name = "alex"
|
||||
version = "0.1.0"
|
||||
edition = "2018"
|
||||
description = "Wrapper around Minecraft server processes, designed to complement Docker image installations."
|
||||
authors = ["Jef Roosens"]
|
||||
edition = "2021"
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
# Used for creating tarballs for backups
|
||||
tar = "0.4.37"
|
||||
tar = "0.4.38"
|
||||
# Used to compress said tarballs using gzip
|
||||
flate2 = "1.0.21"
|
||||
flate2 = "1.0.26"
|
||||
# Used for backup filenames
|
||||
chrono = "0.4.19"
|
||||
chrono = "0.4.26"
|
||||
clap = { version = "4.3.1", features = ["derive", "env"] }
|
||||
|
||||
[profile.release]
|
||||
lto = "fat"
|
||||
codegen-units = 1
|
||||
panic = "abort"
|
||||
strip = true
|
||||
|
|
|
|||
92
src/main.rs
92
src/main.rs
|
|
@ -1,18 +1,98 @@
|
|||
use std::io;
|
||||
|
||||
mod server;
|
||||
|
||||
use clap::Parser;
|
||||
use server::ServerType;
|
||||
use std::io;
|
||||
use std::path::PathBuf;
|
||||
use std::sync::{Arc, Mutex};
|
||||
|
||||
#[derive(Parser)]
|
||||
#[command(author, version, about, long_about = None)]
|
||||
struct Cli {
|
||||
/// Type of server
|
||||
type_: ServerType,
|
||||
/// Version string for the server, e.g. 1.19.4-545
|
||||
server_version: String,
|
||||
/// Server jar to execute
|
||||
jar: PathBuf,
|
||||
|
||||
/// Directory where configs are stored, and where the server will run [default: .]
|
||||
#[arg(long, value_name = "CONFIG_DIR", env = "ALEX_CONFIG_DIR")]
|
||||
config: Option<PathBuf>,
|
||||
/// Directory where world files will be saved [default: ../worlds]
|
||||
#[arg(long, value_name = "WORLD_DIR", env = "ALEX_WORLD_DIR")]
|
||||
world: Option<PathBuf>,
|
||||
/// Directory where backups will be stored [default: ../backups]
|
||||
#[arg(long, value_name = "BACKUP_DIR", env = "ALEX_WORLD_DIR")]
|
||||
backup: Option<PathBuf>,
|
||||
/// Java command to run the server jar with
|
||||
#[arg(long, value_name = "JAVA_CMD", default_value_t = String::from("java"), env = "ALEX_JAVA")]
|
||||
java: String,
|
||||
|
||||
/// XMS value in megabytes for the server instance
|
||||
#[arg(long, default_value_t = 1024, env = "ALEX_XMS")]
|
||||
xms: u64,
|
||||
/// XMX value in megabytes for the server instance
|
||||
#[arg(long, default_value_t = 2048, env = "ALEX_XMX")]
|
||||
xmx: u64,
|
||||
|
||||
/// How many backups to keep
|
||||
#[arg(short = 'n', long, default_value_t = 7, env = "ALEX_MAX_BACKUPS")]
|
||||
max_backups: u64,
|
||||
/// How frequently to perform a backup, in minutes; 0 to disable.
|
||||
#[arg(short = 't', long, default_value_t = 0, env = "ALEX_FREQUENCY")]
|
||||
frequency: u64,
|
||||
}
|
||||
|
||||
fn backups_thread(counter: Arc<Mutex<server::ServerProcess>>, frequency: u64) {
|
||||
loop {
|
||||
std::thread::sleep(std::time::Duration::from_secs(frequency * 60));
|
||||
|
||||
{
|
||||
let mut server = counter.lock().unwrap();
|
||||
|
||||
// We explicitely ignore the error here, as we don't want the thread to fail
|
||||
let _ = server.backup();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn main() {
|
||||
let mut server = server::Server::spawn();
|
||||
let cli = Cli::parse();
|
||||
|
||||
let cmd = server::ServerCommand::new(cli.type_, &cli.server_version)
|
||||
.java(&cli.java)
|
||||
.jar(cli.jar)
|
||||
.config(cli.config.unwrap_or(".".into()))
|
||||
.world(cli.world.unwrap_or("../worlds".into()))
|
||||
.backup(cli.backup.unwrap_or("../backups".into()))
|
||||
.xms(cli.xms)
|
||||
.xmx(cli.xmx)
|
||||
.max_backups(cli.max_backups);
|
||||
let counter = Arc::new(Mutex::new(cmd.spawn().expect("Failed to start server.")));
|
||||
|
||||
if cli.frequency > 0 {
|
||||
let clone = Arc::clone(&counter);
|
||||
std::thread::spawn(move || backups_thread(clone, cli.frequency));
|
||||
}
|
||||
|
||||
let stdin = io::stdin();
|
||||
let input = &mut String::new();
|
||||
|
||||
loop {
|
||||
input.clear();
|
||||
stdin.read_line(input);
|
||||
println!("input: {}", input.trim());
|
||||
server.send_command(input);
|
||||
|
||||
if stdin.read_line(input).is_err() {
|
||||
continue;
|
||||
};
|
||||
|
||||
{
|
||||
let mut server = counter.lock().unwrap();
|
||||
|
||||
if let Err(e) = server.send_command(input) {
|
||||
println!("{}", e);
|
||||
};
|
||||
}
|
||||
|
||||
if input.trim() == "stop" {
|
||||
break;
|
||||
|
|
|
|||
|
|
@ -1,60 +0,0 @@
|
|||
use std::io;
|
||||
use std::io::Write;
|
||||
use std::process::{Child, Command, Stdio};
|
||||
use std::fs::File;
|
||||
use flate2::Compression;
|
||||
use flate2::write::GzEncoder;
|
||||
|
||||
pub struct Server {
|
||||
child: Child,
|
||||
}
|
||||
|
||||
impl Server {
|
||||
pub fn spawn() -> Server {
|
||||
let child = Command::new("/usr/lib/jvm/java-16-openjdk/bin/java")
|
||||
.arg("-jar")
|
||||
.arg("paper-1.17.1-259.jar")
|
||||
.arg("--universe")
|
||||
.arg("worlds")
|
||||
.arg("--nogui")
|
||||
.stdin(Stdio::piped())
|
||||
.spawn()
|
||||
.expect("Couldn't start child process");
|
||||
|
||||
Server { child }
|
||||
}
|
||||
|
||||
pub fn send_command(&mut self, cmd: &str) {
|
||||
match cmd.trim() {
|
||||
"stop" | "exit" => self.stop(),
|
||||
"backup" => self.backup(),
|
||||
s => self.custom(s),
|
||||
}
|
||||
}
|
||||
|
||||
fn custom(&mut self, cmd: &str) {
|
||||
let mut stdin = self.child.stdin.as_ref().unwrap();
|
||||
stdin.write_all(format!("{}\n", cmd.trim()).as_bytes()).unwrap();
|
||||
stdin.flush().unwrap();
|
||||
}
|
||||
|
||||
pub fn stop(&mut self) {
|
||||
self.custom("stop");
|
||||
self.child.wait();
|
||||
}
|
||||
|
||||
pub fn backup(&mut self) {
|
||||
// Make sure the server isn't modifying the files during the backup
|
||||
self.custom("save-off");
|
||||
self.custom("save-all");
|
||||
|
||||
// Create a gzip-compressed tarball of the worlds folder
|
||||
let filename = format!("{}", chrono::offset::Local::now().format("backups/%Y-%m-%d_%H-%M-%S.tar.gz"));
|
||||
let tar_gz = std::fs::File::create(filename).unwrap();
|
||||
let enc = GzEncoder::new(tar_gz, Compression::default());
|
||||
let mut tar = tar::Builder::new(enc);
|
||||
tar.append_dir_all("worlds", "worlds").unwrap();
|
||||
|
||||
self.custom("save-on");
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,137 @@
|
|||
use crate::server::ServerProcess;
|
||||
use clap::ValueEnum;
|
||||
use std::fmt;
|
||||
use std::fs::File;
|
||||
use std::io::Write;
|
||||
use std::path::{Path, PathBuf};
|
||||
use std::process::{Command, Stdio};
|
||||
|
||||
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, ValueEnum)]
|
||||
pub enum ServerType {
|
||||
Paper,
|
||||
Forge,
|
||||
Vanilla,
|
||||
}
|
||||
|
||||
impl fmt::Display for ServerType {
|
||||
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
||||
let s = match self {
|
||||
ServerType::Paper => "PaperMC",
|
||||
ServerType::Forge => "Forge",
|
||||
ServerType::Vanilla => "Vanilla",
|
||||
};
|
||||
|
||||
write!(f, "{}", s)
|
||||
}
|
||||
}
|
||||
|
||||
pub struct ServerCommand {
|
||||
type_: ServerType,
|
||||
version: String,
|
||||
java: String,
|
||||
jar: PathBuf,
|
||||
config_dir: PathBuf,
|
||||
world_dir: PathBuf,
|
||||
backup_dir: PathBuf,
|
||||
xms: u64,
|
||||
xmx: u64,
|
||||
max_backups: u64,
|
||||
}
|
||||
|
||||
impl ServerCommand {
|
||||
pub fn new(type_: ServerType, version: &str) -> Self {
|
||||
ServerCommand {
|
||||
type_,
|
||||
version: String::from(version),
|
||||
java: String::from("java"),
|
||||
jar: PathBuf::from("server.jar"),
|
||||
config_dir: PathBuf::from("config"),
|
||||
world_dir: PathBuf::from("worlds"),
|
||||
backup_dir: PathBuf::from("backups"),
|
||||
xms: 1024,
|
||||
xmx: 2048,
|
||||
max_backups: 7,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn java(mut self, java: &str) -> Self {
|
||||
self.java = String::from(java);
|
||||
|
||||
self
|
||||
}
|
||||
|
||||
pub fn jar<T: AsRef<Path>>(mut self, path: T) -> Self {
|
||||
self.jar = PathBuf::from(path.as_ref());
|
||||
self
|
||||
}
|
||||
|
||||
pub fn config<T: AsRef<Path>>(mut self, path: T) -> Self {
|
||||
self.config_dir = PathBuf::from(path.as_ref());
|
||||
self
|
||||
}
|
||||
|
||||
pub fn world<T: AsRef<Path>>(mut self, path: T) -> Self {
|
||||
self.world_dir = PathBuf::from(path.as_ref());
|
||||
self
|
||||
}
|
||||
|
||||
pub fn backup<T: AsRef<Path>>(mut self, path: T) -> Self {
|
||||
self.backup_dir = PathBuf::from(path.as_ref());
|
||||
|
||||
self
|
||||
}
|
||||
|
||||
pub fn xms(mut self, v: u64) -> Self {
|
||||
self.xms = v;
|
||||
self
|
||||
}
|
||||
|
||||
pub fn xmx(mut self, v: u64) -> Self {
|
||||
self.xmx = v;
|
||||
self
|
||||
}
|
||||
|
||||
pub fn max_backups(mut self, v: u64) -> Self {
|
||||
self.max_backups = v;
|
||||
self
|
||||
}
|
||||
|
||||
fn accept_eula(&self) -> std::io::Result<()> {
|
||||
let mut eula_path = self.config_dir.clone();
|
||||
eula_path.push("eula.txt");
|
||||
let mut eula_file = File::create(eula_path)?;
|
||||
eula_file.write_all(b"eula=true")?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn spawn(self) -> std::io::Result<ServerProcess> {
|
||||
// To avoid any issues, we use absolute paths for everything when spawning the process
|
||||
let jar = self.jar.canonicalize()?;
|
||||
let config_dir = self.config_dir.canonicalize()?;
|
||||
let world_dir = self.world_dir.canonicalize()?;
|
||||
let backup_dir = self.backup_dir.canonicalize()?;
|
||||
|
||||
self.accept_eula()?;
|
||||
|
||||
let child = Command::new(&self.java)
|
||||
.current_dir(&config_dir)
|
||||
.arg("-jar")
|
||||
.arg(&jar)
|
||||
.arg("--universe")
|
||||
.arg(&world_dir)
|
||||
.arg("--nogui")
|
||||
.stdin(Stdio::piped())
|
||||
.spawn()?;
|
||||
|
||||
Ok(ServerProcess::new(
|
||||
self.type_,
|
||||
self.version,
|
||||
config_dir,
|
||||
world_dir,
|
||||
backup_dir,
|
||||
self.max_backups,
|
||||
child,
|
||||
))
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,5 @@
|
|||
mod command;
|
||||
mod process;
|
||||
|
||||
pub use command::{ServerCommand, ServerType};
|
||||
pub use process::ServerProcess;
|
||||
|
|
@ -0,0 +1,159 @@
|
|||
use crate::server::ServerType;
|
||||
use flate2::write::GzEncoder;
|
||||
use flate2::Compression;
|
||||
use std::io::Write;
|
||||
use std::path::PathBuf;
|
||||
use std::process::Child;
|
||||
|
||||
#[link(name = "c")]
|
||||
extern "C" {
|
||||
fn geteuid() -> u32;
|
||||
fn getegid() -> u32;
|
||||
}
|
||||
|
||||
pub struct ServerProcess {
|
||||
type_: ServerType,
|
||||
version: String,
|
||||
config_dir: PathBuf,
|
||||
world_dir: PathBuf,
|
||||
backup_dir: PathBuf,
|
||||
max_backups: u64,
|
||||
child: Child,
|
||||
}
|
||||
|
||||
impl ServerProcess {
|
||||
pub fn new(
|
||||
type_: ServerType,
|
||||
version: String,
|
||||
config_dir: PathBuf,
|
||||
world_dir: PathBuf,
|
||||
backup_dir: PathBuf,
|
||||
max_backups: u64,
|
||||
child: Child,
|
||||
) -> ServerProcess {
|
||||
ServerProcess {
|
||||
type_,
|
||||
version,
|
||||
config_dir,
|
||||
world_dir,
|
||||
backup_dir,
|
||||
max_backups,
|
||||
child,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn send_command(&mut self, cmd: &str) -> std::io::Result<()> {
|
||||
match cmd.trim() {
|
||||
"stop" | "exit" => self.stop()?,
|
||||
"backup" => self.backup()?,
|
||||
s => self.custom(s)?,
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn custom(&mut self, cmd: &str) -> std::io::Result<()> {
|
||||
let mut stdin = self.child.stdin.as_ref().unwrap();
|
||||
stdin.write_all(format!("{}\n", cmd.trim()).as_bytes())?;
|
||||
stdin.flush()?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn stop(&mut self) -> std::io::Result<()> {
|
||||
self.custom("stop")?;
|
||||
self.child.wait()?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Perform a backup by disabling the server's save feature and flushing its data, before
|
||||
/// creating an archive file.
|
||||
pub fn backup(&mut self) -> std::io::Result<()> {
|
||||
self.custom("say backing up server")?;
|
||||
|
||||
// Make sure the server isn't modifying the files during the backup
|
||||
self.custom("save-off")?;
|
||||
self.custom("save-all")?;
|
||||
|
||||
// TODO implement a better mechanism
|
||||
// We wait some time to (hopefully) ensure the save-all call has completed
|
||||
std::thread::sleep(std::time::Duration::from_secs(10));
|
||||
|
||||
let res = self.create_backup_archive();
|
||||
|
||||
if res.is_ok() {
|
||||
self.remove_old_backups()?;
|
||||
}
|
||||
|
||||
// The server's save feature needs to be enabled again even if the archive failed to create
|
||||
self.custom("save-on")?;
|
||||
|
||||
self.custom("say server backed up successfully")?;
|
||||
|
||||
res
|
||||
}
|
||||
|
||||
/// Create a new compressed backup archive of the server's data.
|
||||
fn create_backup_archive(&mut self) -> std::io::Result<()> {
|
||||
// Create a gzip-compressed tarball of the worlds folder
|
||||
let filename = format!(
|
||||
"{}",
|
||||
chrono::offset::Local::now().format("%Y-%m-%d_%H-%M-%S.tar.gz")
|
||||
);
|
||||
let path = self.backup_dir.join(filename);
|
||||
let tar_gz = std::fs::File::create(path)?;
|
||||
let enc = GzEncoder::new(tar_gz, Compression::default());
|
||||
let mut tar = tar::Builder::new(enc);
|
||||
|
||||
tar.append_dir_all("worlds", &self.world_dir)?;
|
||||
|
||||
// We don't store all files in the config, as this would include caches
|
||||
tar.append_path_with_name(
|
||||
self.config_dir.join("server.properties"),
|
||||
"config/server.properties",
|
||||
)?;
|
||||
|
||||
// We add a file to the backup describing for what version it was made
|
||||
let info = format!("{} {}", self.type_, self.version);
|
||||
let info_bytes = info.as_bytes();
|
||||
|
||||
let mut header = tar::Header::new_gnu();
|
||||
header.set_size(info_bytes.len().try_into().unwrap());
|
||||
header.set_mode(0o100644);
|
||||
unsafe {
|
||||
header.set_gid(getegid().into());
|
||||
header.set_uid(geteuid().into());
|
||||
}
|
||||
|
||||
tar.append_data(&mut header, "info.txt", info_bytes)?;
|
||||
|
||||
// tar.append_dir_all("config", &self.config_dir)?;
|
||||
|
||||
// Backup file gets finalized in the drop
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Remove the oldest backups
|
||||
fn remove_old_backups(&mut self) -> std::io::Result<()> {
|
||||
// The naming format used allows us to sort the backups by name and still get a sorting by
|
||||
// creation time
|
||||
let mut backups = std::fs::read_dir(&self.backup_dir)?
|
||||
.filter_map(|res| res.map(|e| e.path()).ok())
|
||||
.collect::<Vec<PathBuf>>();
|
||||
backups.sort();
|
||||
|
||||
let max_backups: usize = self.max_backups.try_into().unwrap();
|
||||
|
||||
if backups.len() > max_backups {
|
||||
let excess_backups = backups.len() - max_backups;
|
||||
|
||||
for backup in &backups[0..excess_backups] {
|
||||
std::fs::remove_file(backup)?;
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue