Add support for model migrations
This commit is contained in:
parent
86fb7bbba5
commit
86bf4dedac
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@ -340,15 +340,15 @@ dependencies = [
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[[package]]
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name = "garage"
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version = "0.1.0"
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version = "0.1.1"
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dependencies = [
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"bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
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"futures 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"futures-util 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"garage_api 0.1.0",
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"garage_model 0.1.0",
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"garage_api 0.1.1",
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"garage_model 0.1.1",
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"garage_rpc 0.1.0",
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"garage_table 0.1.0",
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"garage_table 0.1.1",
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"garage_util 0.1.0",
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"hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -365,15 +365,15 @@ dependencies = [
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[[package]]
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name = "garage_api"
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version = "0.1.0"
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version = "0.1.1"
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dependencies = [
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"bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
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"chrono 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
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"crypto-mac 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"futures 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"futures-util 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"garage_model 0.1.0",
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"garage_table 0.1.0",
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"garage_model 0.1.1",
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"garage_table 0.1.1",
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"garage_util 0.1.0",
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"hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"hmac 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -392,14 +392,39 @@ dependencies = [
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[[package]]
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name = "garage_model"
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version = "0.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"arc-swap 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
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"async-trait 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)",
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"bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
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"futures 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"futures-util 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"garage_rpc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"garage_table 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"garage_util 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"rmp-serde 0.14.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde_bytes 0.11.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"sha2 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"sled 0.31.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"tokio 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "garage_model"
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version = "0.1.1"
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dependencies = [
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"arc-swap 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
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"async-trait 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)",
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"bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
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"futures 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"futures-util 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"garage_model 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"garage_rpc 0.1.0",
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"garage_table 0.1.0",
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"garage_table 0.1.1",
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"garage_util 0.1.0",
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"hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -438,9 +463,58 @@ dependencies = [
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"webpki 0.21.3 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "garage_rpc"
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version = "0.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"arc-swap 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
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"bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
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"futures 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"futures-util 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"garage_util 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"gethostname 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"http 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"hyper 0.13.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"hyper-rustls 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"rmp-serde 0.14.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"rustls 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde_json 1.0.56 (registry+https://github.com/rust-lang/crates.io-index)",
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"sha2 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"tokio 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
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"tokio-rustls 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"webpki 0.21.3 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "garage_table"
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version = "0.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"arc-swap 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
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"async-trait 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)",
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"bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
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"futures 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"futures-util 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"garage_rpc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"garage_util 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"rmp-serde 0.14.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde_bytes 0.11.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"sled 0.31.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"tokio 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "garage_table"
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version = "0.1.1"
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dependencies = [
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"arc-swap 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
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"async-trait 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -483,6 +557,31 @@ dependencies = [
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"webpki 0.21.3 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "garage_util"
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version = "0.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"err-derive 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"futures 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"futures-util 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"http 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"hyper 0.13.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"rmp-serde 0.14.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"roxmltree 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"rustls 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.114 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde_json 1.0.56 (registry+https://github.com/rust-lang/crates.io-index)",
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"sha2 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"sled 0.31.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"tokio 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
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"toml 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"webpki 0.21.3 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "generator"
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version = "0.6.21"
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@ -1629,6 +1728,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"checksum futures-task 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "bdb66b5f09e22019b1ab0830f7785bcea8e7a42148683f99214f73f8ec21a626"
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"checksum futures-util 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "8764574ff08b701a084482c3c7031349104b07ac897393010494beaa18ce32c6"
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"checksum fxhash 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c31b6d751ae2c7f11320402d34e41349dd1016f8d5d45e48c4312bc8625af50c"
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"checksum garage_model 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b6403312b28077fd585e5f96184d2d56142f10eb42709d2893294d70a892d73f"
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"checksum garage_rpc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0ef794407808c89f300f73457bdc567c953b323d7fe30534aba686a28ebb4a0d"
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"checksum garage_table 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "567d7e9f791a1d65d26e36840aa0570b3a2144302c32f62b5e63a39f147cbf57"
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"checksum garage_util 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "77de76a4167c041094f3f3415c6d3d773373e0326668fbce70dfd3b024788800"
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"checksum generator 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)" = "add72f17bb81521258fcc8a7a3245b1e184e916bfbe34f0ea89558f440df5c68"
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"checksum generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c68f0274ae0e023facc3c97b2e00f076be70e254bc851d972503b328db79b2ec"
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"checksum gethostname 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e692e296bfac1d2533ef168d0b60ff5897b8b70a4009276834014dd8924cc028"
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@ -1,6 +1,6 @@
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[package]
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name = "garage_api"
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version = "0.1.0"
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version = "0.1.1"
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authors = ["Alex Auvolat <alex@adnab.me>"]
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edition = "2018"
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license = "GPL-3.0"
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@ -14,8 +14,8 @@ path = "lib.rs"
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[dependencies]
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garage_util = { version = "0.1", path = "../util" }
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garage_table = { version = "0.1", path = "../table" }
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garage_model = { version = "0.1", path = "../model" }
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garage_table = { version = "0.1.1", path = "../table" }
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garage_model = { version = "0.1.1", path = "../model" }
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bytes = "0.4"
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hex = "0.3"
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@ -1,6 +1,6 @@
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[package]
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name = "garage"
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version = "0.1.0"
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version = "0.1.1"
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authors = ["Alex Auvolat <alex@adnab.me>"]
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edition = "2018"
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license = "GPL-3.0"
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@ -16,9 +16,9 @@ path = "main.rs"
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[dependencies]
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garage_util = { version = "0.1", path = "../util" }
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garage_rpc = { version = "0.1", path = "../rpc" }
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garage_table = { version = "0.1", path = "../table" }
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garage_model = { version = "0.1", path = "../model" }
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garage_api = { version = "0.1", path = "../api" }
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garage_table = { version = "0.1.1", path = "../table" }
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garage_model = { version = "0.1.1", path = "../model" }
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garage_api = { version = "0.1.1", path = "../api" }
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bytes = "0.4"
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rand = "0.7"
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@ -1,6 +1,6 @@
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[package]
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name = "garage_model"
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version = "0.1.0"
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version = "0.1.1"
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authors = ["Alex Auvolat <alex@adnab.me>"]
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edition = "2018"
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license = "GPL-3.0"
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@ -15,7 +15,8 @@ path = "lib.rs"
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[dependencies]
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garage_util = { version = "0.1", path = "../util" }
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garage_rpc = { version = "0.1", path = "../rpc" }
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garage_table = { version = "0.1", path = "../table" }
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garage_table = { version = "0.1.1", path = "../table" }
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model010 = { package = "garage_model", version = "0.1.0" }
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bytes = "0.4"
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rand = "0.7"
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@ -1,6 +1,6 @@
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[package]
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name = "garage_table"
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version = "0.1.0"
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version = "0.1.1"
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authors = ["Alex Auvolat <alex@adnab.me>"]
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edition = "2018"
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license = "GPL-3.0"
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@ -3,9 +3,11 @@
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#[macro_use]
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extern crate log;
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pub mod schema;
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pub mod table;
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pub mod table_fullcopy;
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pub mod table_sharded;
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pub mod table_sync;
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pub use table::*;
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pub use schema::*;
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@ -0,0 +1,77 @@
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use async_trait::async_trait;
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use serde::{Deserialize, Serialize};
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use garage_util::data::*;
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use garage_util::error::Error;
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pub trait PartitionKey {
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fn hash(&self) -> Hash;
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}
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pub trait SortKey {
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fn sort_key(&self) -> &[u8];
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}
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pub trait Entry<P: PartitionKey, S: SortKey>:
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PartialEq + Clone + Serialize + for<'de> Deserialize<'de> + Send + Sync
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{
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fn partition_key(&self) -> &P;
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fn sort_key(&self) -> &S;
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fn merge(&mut self, other: &Self);
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}
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#[derive(Clone, PartialEq, Eq, Serialize, Deserialize)]
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pub struct EmptyKey;
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impl SortKey for EmptyKey {
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fn sort_key(&self) -> &[u8] {
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&[]
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}
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}
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impl PartitionKey for EmptyKey {
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fn hash(&self) -> Hash {
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[0u8; 32].into()
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}
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}
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impl PartitionKey for String {
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fn hash(&self) -> Hash {
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hash(self.as_bytes())
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}
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}
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impl SortKey for String {
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fn sort_key(&self) -> &[u8] {
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self.as_bytes()
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}
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}
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impl PartitionKey for Hash {
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fn hash(&self) -> Hash {
|
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self.clone()
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}
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}
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impl SortKey for Hash {
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fn sort_key(&self) -> &[u8] {
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self.as_slice()
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}
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}
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#[async_trait]
|
||||
pub trait TableSchema: Send + Sync {
|
||||
type P: PartitionKey + Clone + PartialEq + Serialize + for<'de> Deserialize<'de> + Send + Sync;
|
||||
type S: SortKey + Clone + Serialize + for<'de> Deserialize<'de> + Send + Sync;
|
||||
type E: Entry<Self::P, Self::S>;
|
||||
type Filter: Clone + Serialize + for<'de> Deserialize<'de> + Send + Sync;
|
||||
|
||||
// Action to take if not able to decode current version:
|
||||
// try loading from an older version
|
||||
fn try_migrate(_bytes: &[u8]) -> Option<Self::E> {
|
||||
None
|
||||
}
|
||||
|
||||
async fn updated(&self, old: Option<Self::E>, new: Option<Self::E>) -> Result<(), Error>;
|
||||
fn matches_filter(_entry: &Self::E, _filter: &Self::Filter) -> bool {
|
||||
true
|
||||
}
|
||||
}
|
||||
|
|
@ -3,7 +3,6 @@ use std::sync::Arc;
|
|||
use std::time::Duration;
|
||||
|
||||
use arc_swap::ArcSwapOption;
|
||||
use async_trait::async_trait;
|
||||
use futures::stream::*;
|
||||
use serde::{Deserialize, Serialize};
|
||||
use serde_bytes::ByteBuf;
|
||||
|
|
@ -16,6 +15,7 @@ use garage_rpc::rpc_client::*;
|
|||
use garage_rpc::rpc_server::*;
|
||||
|
||||
use crate::table_sync::*;
|
||||
use crate::schema::*;
|
||||
|
||||
const TABLE_RPC_TIMEOUT: Duration = Duration::from_secs(10);
|
||||
|
||||
|
|
@ -48,70 +48,6 @@ pub enum TableRPC<F: TableSchema> {
|
|||
|
||||
impl<F: TableSchema> RpcMessage for TableRPC<F> {}
|
||||
|
||||
pub trait PartitionKey {
|
||||
fn hash(&self) -> Hash;
|
||||
}
|
||||
|
||||
pub trait SortKey {
|
||||
fn sort_key(&self) -> &[u8];
|
||||
}
|
||||
|
||||
pub trait Entry<P: PartitionKey, S: SortKey>:
|
||||
PartialEq + Clone + Serialize + for<'de> Deserialize<'de> + Send + Sync
|
||||
{
|
||||
fn partition_key(&self) -> &P;
|
||||
fn sort_key(&self) -> &S;
|
||||
|
||||
fn merge(&mut self, other: &Self);
|
||||
}
|
||||
|
||||
#[derive(Clone, PartialEq, Eq, Serialize, Deserialize)]
|
||||
pub struct EmptyKey;
|
||||
impl SortKey for EmptyKey {
|
||||
fn sort_key(&self) -> &[u8] {
|
||||
&[]
|
||||
}
|
||||
}
|
||||
impl PartitionKey for EmptyKey {
|
||||
fn hash(&self) -> Hash {
|
||||
[0u8; 32].into()
|
||||
}
|
||||
}
|
||||
|
||||
impl PartitionKey for String {
|
||||
fn hash(&self) -> Hash {
|
||||
hash(self.as_bytes())
|
||||
}
|
||||
}
|
||||
impl SortKey for String {
|
||||
fn sort_key(&self) -> &[u8] {
|
||||
self.as_bytes()
|
||||
}
|
||||
}
|
||||
|
||||
impl PartitionKey for Hash {
|
||||
fn hash(&self) -> Hash {
|
||||
self.clone()
|
||||
}
|
||||
}
|
||||
impl SortKey for Hash {
|
||||
fn sort_key(&self) -> &[u8] {
|
||||
self.as_slice()
|
||||
}
|
||||
}
|
||||
|
||||
#[async_trait]
|
||||
pub trait TableSchema: Send + Sync {
|
||||
type P: PartitionKey + Clone + PartialEq + Serialize + for<'de> Deserialize<'de> + Send + Sync;
|
||||
type S: SortKey + Clone + Serialize + for<'de> Deserialize<'de> + Send + Sync;
|
||||
type E: Entry<Self::P, Self::S>;
|
||||
type Filter: Clone + Serialize + for<'de> Deserialize<'de> + Send + Sync;
|
||||
|
||||
async fn updated(&self, old: Option<Self::E>, new: Option<Self::E>) -> Result<(), Error>;
|
||||
fn matches_filter(_entry: &Self::E, _filter: &Self::Filter) -> bool {
|
||||
true
|
||||
}
|
||||
}
|
||||
|
||||
pub trait TableReplication: Send + Sync {
|
||||
// See examples in table_sharded.rs and table_fullcopy.rs
|
||||
|
|
@ -250,7 +186,7 @@ where
|
|||
for resp in resps {
|
||||
if let TableRPC::ReadEntryResponse(value) = resp {
|
||||
if let Some(v_bytes) = value {
|
||||
let v = rmp_serde::decode::from_read_ref::<_, F::E>(v_bytes.as_slice())?;
|
||||
let v = Self::decode_entry(v_bytes.as_slice())?;
|
||||
ret = match ret {
|
||||
None => Some(v),
|
||||
Some(mut x) => {
|
||||
|
|
@ -306,8 +242,7 @@ where
|
|||
for resp in resps {
|
||||
if let TableRPC::Update(entries) = resp {
|
||||
for entry_bytes in entries.iter() {
|
||||
let entry =
|
||||
rmp_serde::decode::from_read_ref::<_, F::E>(entry_bytes.as_slice())?;
|
||||
let entry = Self::decode_entry(entry_bytes.as_slice())?;
|
||||
let entry_key = self.tree_key(entry.partition_key(), entry.sort_key());
|
||||
match ret.remove(&entry_key) {
|
||||
None => {
|
||||
|
|
@ -429,7 +364,7 @@ where
|
|||
let keep = match filter {
|
||||
None => true,
|
||||
Some(f) => {
|
||||
let entry = rmp_serde::decode::from_read_ref::<_, F::E>(value.as_ref())?;
|
||||
let entry = Self::decode_entry(value.as_ref())?;
|
||||
F::matches_filter(&entry, f)
|
||||
}
|
||||
};
|
||||
|
|
@ -448,15 +383,14 @@ where
|
|||
let mut epidemic_propagate = vec![];
|
||||
|
||||
for update_bytes in entries.iter() {
|
||||
let update = rmp_serde::decode::from_read_ref::<_, F::E>(update_bytes.as_slice())?;
|
||||
let update = Self::decode_entry(update_bytes.as_slice())?;
|
||||
|
||||
let tree_key = self.tree_key(update.partition_key(), update.sort_key());
|
||||
|
||||
let (old_entry, new_entry) = self.store.transaction(|db| {
|
||||
let (old_entry, new_entry) = match db.get(&tree_key)? {
|
||||
Some(prev_bytes) => {
|
||||
let old_entry = rmp_serde::decode::from_read_ref::<_, F::E>(&prev_bytes)
|
||||
.map_err(Error::RMPDecode)
|
||||
let old_entry = Self::decode_entry(&prev_bytes)
|
||||
.map_err(sled::ConflictableTransactionError::Abort)?;
|
||||
let mut new_entry = old_entry.clone();
|
||||
new_entry.merge(&update);
|
||||
|
|
@ -504,7 +438,7 @@ where
|
|||
break;
|
||||
}
|
||||
if let Some(old_val) = self.store.remove(&key)? {
|
||||
let old_entry = rmp_serde::decode::from_read_ref::<_, F::E>(&old_val)?;
|
||||
let old_entry = Self::decode_entry(&old_val)?;
|
||||
self.instance.updated(Some(old_entry), None).await?;
|
||||
self.system
|
||||
.background
|
||||
|
|
@ -521,4 +455,16 @@ where
|
|||
ret.extend(s.sort_key());
|
||||
ret
|
||||
}
|
||||
|
||||
fn decode_entry(bytes: &[u8]) -> Result<F::E, Error> {
|
||||
match rmp_serde::decode::from_read_ref::<_, F::E>(bytes) {
|
||||
Ok(x) => Ok(x),
|
||||
Err(e) => {
|
||||
match F::try_migrate(bytes) {
|
||||
Some(x) => Ok(x),
|
||||
None => Err(e.into()),
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue