Add a K2V client library and CLI (#303)
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lib.rs could use getting split in modules, but I'm not sure how exactly Co-authored-by: trinity-1686a <trinity@deuxfleurs.fr> Reviewed-on: #303 Co-authored-by: trinity-1686a <trinity.pointard@gmail.com> Co-committed-by: trinity-1686a <trinity.pointard@gmail.com>
This commit is contained in:
parent
c692f55d5c
commit
64c193e3db
14 changed files with 1723 additions and 201 deletions
213
Cargo.lock
generated
213
Cargo.lock
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@ -403,10 +403,49 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
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dependencies = [
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"bitflags",
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"textwrap",
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"textwrap 0.11.0",
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"unicode-width",
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]
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[[package]]
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name = "clap"
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version = "3.1.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d2dbdf4bdacb33466e854ce889eee8dfd5729abf7ccd7664d0a2d60cd384440b"
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dependencies = [
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"atty",
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"bitflags",
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"clap_derive",
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"clap_lex",
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"indexmap",
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"lazy_static",
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"strsim",
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"termcolor",
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"textwrap 0.15.0",
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]
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[[package]]
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name = "clap_derive"
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version = "3.1.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "25320346e922cffe59c0bbc5410c8d8784509efb321488971081313cb1e1a33c"
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dependencies = [
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"heck 0.4.0",
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"proc-macro-error",
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "clap_lex"
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version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a37c35f1112dad5e6e0b1adaff798507497a18fceeb30cceb3bae7d1427b9213"
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dependencies = [
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"os_str_bytes",
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]
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[[package]]
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name = "cloudabi"
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version = "0.0.3"
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@ -504,6 +543,16 @@ dependencies = [
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"subtle",
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]
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[[package]]
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name = "crypto-mac"
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version = "0.11.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b1d1a86f49236c215f271d40892d5fc950490551400b02ef360692c29815c714"
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dependencies = [
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"generic-array",
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"subtle",
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]
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[[package]]
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name = "ct-logs"
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version = "0.8.0"
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@ -848,7 +897,7 @@ dependencies = [
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"garage_web",
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"git-version",
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"hex",
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"hmac",
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"hmac 0.10.1",
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"http",
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"hyper",
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"kuska-sodiumoxide",
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@ -904,7 +953,7 @@ dependencies = [
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"garage_table 0.7.0",
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"garage_util 0.7.0",
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"hex",
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"hmac",
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"hmac 0.10.1",
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"http",
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"http-range",
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"httpdate 0.3.2",
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@ -1261,6 +1310,12 @@ dependencies = [
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"unicode-segmentation",
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]
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[[package]]
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name = "heck"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2540771e65fc8cb83cd6e8a237f70c319bd5c29f78ed1084ba5d50eeac86f7f9"
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[[package]]
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name = "hermit-abi"
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version = "0.1.19"
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@ -1296,6 +1351,16 @@ dependencies = [
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"digest",
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]
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[[package]]
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name = "hmac"
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version = "0.11.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2a2a2320eb7ec0ebe8da8f744d7812d9fc4cb4d09344ac01898dbcb6a20ae69b"
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dependencies = [
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"crypto-mac 0.11.1",
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"digest",
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]
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[[package]]
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name = "http"
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version = "0.2.6"
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@ -1523,6 +1588,23 @@ dependencies = [
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"serde_json",
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]
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[[package]]
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name = "k2v-client"
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version = "0.1.0"
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dependencies = [
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"base64",
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"clap 3.1.18",
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"garage_util 0.7.0",
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"http",
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"rusoto_core",
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"rusoto_credential",
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"rusoto_signature",
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"serde",
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"serde_json",
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"thiserror",
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"tokio",
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]
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[[package]]
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name = "k8s-openapi"
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version = "0.13.1"
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@ -2057,6 +2139,12 @@ dependencies = [
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"num-traits",
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]
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[[package]]
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name = "os_str_bytes"
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version = "6.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "029d8d0b2f198229de29dca79676f2738ff952edf3fde542eb8bf94d8c21b435"
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[[package]]
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name = "parking_lot"
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version = "0.11.2"
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@ -2306,7 +2394,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "62941722fb675d463659e49c4f3fe1fe792ff24fe5bbaa9c08cd3b98a1c354f5"
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dependencies = [
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"bytes 1.1.0",
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"heck",
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"heck 0.3.3",
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"itertools 0.10.3",
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"lazy_static",
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"log",
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@ -2533,6 +2621,75 @@ dependencies = [
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"xmlparser",
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]
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[[package]]
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name = "rusoto_core"
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version = "0.48.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1db30db44ea73551326269adcf7a2169428a054f14faf9e1768f2163494f2fa2"
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dependencies = [
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"async-trait",
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"base64",
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"bytes 1.1.0",
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"crc32fast",
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"futures",
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"http",
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"hyper",
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"hyper-tls",
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"lazy_static",
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"log",
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"rusoto_credential",
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"rusoto_signature",
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"rustc_version",
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"serde",
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"serde_json",
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"tokio",
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"xml-rs",
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]
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[[package]]
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name = "rusoto_credential"
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version = "0.48.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ee0a6c13db5aad6047b6a44ef023dbbc21a056b6dab5be3b79ce4283d5c02d05"
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dependencies = [
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"async-trait",
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"chrono",
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"dirs-next",
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"futures",
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"hyper",
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"serde",
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"serde_json",
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"shlex",
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"tokio",
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"zeroize",
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]
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[[package]]
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name = "rusoto_signature"
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version = "0.48.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a5ae95491c8b4847931e291b151127eccd6ff8ca13f33603eb3d0035ecb05272"
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dependencies = [
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"base64",
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"bytes 1.1.0",
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"chrono",
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"digest",
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"futures",
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"hex",
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"hmac 0.11.0",
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"http",
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"hyper",
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"log",
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"md-5",
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"percent-encoding",
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"pin-project-lite",
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"rusoto_credential",
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"rustc_version",
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"serde",
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"sha2",
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"tokio",
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]
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[[package]]
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name = "rustc_version"
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version = "0.4.0"
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@ -2669,9 +2826,9 @@ checksum = "a4a3381e03edd24287172047536f20cabde766e2cd3e65e6b00fb3af51c4f38d"
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[[package]]
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name = "serde"
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version = "1.0.136"
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version = "1.0.137"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ce31e24b01e1e524df96f1c2fdd054405f8d7376249a5110886fb4b658484789"
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checksum = "61ea8d54c77f8315140a05f4c7237403bf38b72704d031543aa1d16abbf517d1"
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dependencies = [
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"serde_derive",
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]
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@ -2697,9 +2854,9 @@ dependencies = [
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[[package]]
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name = "serde_derive"
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version = "1.0.136"
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version = "1.0.137"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "08597e7152fcd306f41838ed3e37be9eaeed2b61c42e2117266a554fab4662f9"
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checksum = "1f26faba0c3959972377d3b2d306ee9f71faee9714294e41bb777f83f88578be"
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dependencies = [
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"proc-macro2",
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"quote",
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@ -2719,9 +2876,9 @@ dependencies = [
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[[package]]
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name = "serde_json"
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version = "1.0.79"
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version = "1.0.81"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8e8d9fa5c3b304765ce1fd9c4c8a3de2c8db365a5b91be52f186efc675681d95"
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checksum = "9b7ce2b32a1aed03c558dc61a5cd328f15aff2dbc17daad8fb8af04d2100e15c"
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dependencies = [
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"indexmap",
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"itoa",
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@ -2754,6 +2911,12 @@ dependencies = [
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"opaque-debug",
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]
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[[package]]
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name = "shlex"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "43b2853a4d09f215c24cc5489c992ce46052d359b5109343cbafbf26bc62f8a3"
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[[package]]
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name = "signal-hook-registry"
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version = "1.4.0"
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@ -2876,7 +3039,7 @@ version = "0.3.26"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0c6b5c64445ba8094a6ab0c3cd2ad323e07171012d9c98b0b15651daf1787a10"
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dependencies = [
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"clap",
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"clap 2.34.0",
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"lazy_static",
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"structopt-derive",
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]
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@ -2887,7 +3050,7 @@ version = "0.4.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "dcb5ae327f9cc13b68763b5749770cb9e048a99bd9dfdfa58d0cf05d5f64afe0"
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dependencies = [
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"heck",
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"heck 0.3.3",
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"proc-macro-error",
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"proc-macro2",
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"quote",
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@ -2902,9 +3065,9 @@ checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
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[[package]]
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name = "syn"
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version = "1.0.89"
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version = "1.0.94"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ea297be220d52398dcc07ce15a209fce436d361735ac1db700cab3b6cdfb9f54"
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checksum = "a07e33e919ebcd69113d5be0e4d70c5707004ff45188910106854f38b960df4a"
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dependencies = [
|
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"proc-macro2",
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"quote",
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@ -2956,19 +3119,25 @@ dependencies = [
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]
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[[package]]
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name = "thiserror"
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version = "1.0.30"
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name = "textwrap"
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version = "0.15.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "854babe52e4df1653706b98fcfc05843010039b406875930a70e4d9644e5c417"
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checksum = "b1141d4d61095b28419e22cb0bbf02755f5e54e0526f97f1e3d1d160e60885fb"
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[[package]]
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name = "thiserror"
|
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version = "1.0.31"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bd829fe32373d27f76265620b5309d0340cb8550f523c1dda251d6298069069a"
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dependencies = [
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"thiserror-impl",
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]
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[[package]]
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name = "thiserror-impl"
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version = "1.0.30"
|
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version = "1.0.31"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "aa32fd3f627f367fe16f893e2597ae3c05020f8bba2666a4e6ea73d377e5714b"
|
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checksum = "0396bc89e626244658bef819e22d0cc459e795a5ebe878e6ec336d1674a8d79a"
|
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dependencies = [
|
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"proc-macro2",
|
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"quote",
|
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@ -3535,6 +3704,12 @@ version = "0.32.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "504a2476202769977a040c6364301a3f65d0cc9e3fb08600b2bda150a0488316"
|
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|
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[[package]]
|
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name = "xml-rs"
|
||||
version = "0.8.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "d2d7d3948613f75c98fd9328cfdcc45acc4d360655289d0a7d4ec931392200a3"
|
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|
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[[package]]
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name = "xmlparser"
|
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version = "0.13.3"
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@ -8,9 +8,12 @@ members = [
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"src/admin",
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"src/api",
|
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"src/web",
|
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"src/garage"
|
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"src/garage",
|
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"src/k2v-client",
|
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]
|
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|
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default-members = ["src/garage"]
|
||||
|
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[profile.dev]
|
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lto = "off"
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@ -79,6 +79,8 @@ function refresh_toolchain {
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pkgs.rustfmt
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pkgs.perl
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pkgs.protobuf
|
||||
pkgs.pkg-config
|
||||
pkgs.openssl
|
||||
cargo2nix.packages.x86_64-linux.cargo2nix
|
||||
] else [])
|
||||
++
|
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@ -1,6 +1,7 @@
|
|||
use std::collections::HashSet;
|
||||
|
||||
use garage_util::error::*;
|
||||
use garage_util::formater::format_table;
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|
||||
use garage_rpc::layout::*;
|
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use garage_rpc::system::*;
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||||
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@ -1,6 +1,7 @@
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|||
use garage_util::crdt::Crdt;
|
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use garage_util::data::*;
|
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use garage_util::error::*;
|
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use garage_util::formater::format_table;
|
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|
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use garage_rpc::layout::*;
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use garage_rpc::system::*;
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@ -3,6 +3,7 @@ use std::collections::HashMap;
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|||
use garage_util::crdt::*;
|
||||
use garage_util::data::Uuid;
|
||||
use garage_util::error::*;
|
||||
use garage_util::formater::format_table;
|
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|
||||
use garage_model::bucket_table::*;
|
||||
use garage_model::key_table::*;
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|
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@ -173,35 +174,6 @@ pub fn print_bucket_info(bucket: &Bucket, relevant_keys: &HashMap<String, Key>)
|
|||
};
|
||||
}
|
||||
|
||||
pub fn format_table(data: Vec<String>) {
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let data = data
|
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.iter()
|
||||
.map(|s| s.split('\t').collect::<Vec<_>>())
|
||||
.collect::<Vec<_>>();
|
||||
|
||||
let columns = data.iter().map(|row| row.len()).fold(0, std::cmp::max);
|
||||
let mut column_size = vec![0; columns];
|
||||
|
||||
let mut out = String::new();
|
||||
|
||||
for row in data.iter() {
|
||||
for (i, col) in row.iter().enumerate() {
|
||||
column_size[i] = std::cmp::max(column_size[i], col.chars().count());
|
||||
}
|
||||
}
|
||||
|
||||
for row in data.iter() {
|
||||
for (col, col_len) in row[..row.len() - 1].iter().zip(column_size.iter()) {
|
||||
out.push_str(col);
|
||||
(0..col_len - col.chars().count() + 2).for_each(|_| out.push(' '));
|
||||
}
|
||||
out.push_str(row[row.len() - 1]);
|
||||
out.push('\n');
|
||||
}
|
||||
|
||||
print!("{}", out);
|
||||
}
|
||||
|
||||
pub fn find_matching_node(
|
||||
cand: impl std::iter::Iterator<Item = Uuid>,
|
||||
pattern: &str,
|
||||
|
|
|
|||
27
src/k2v-client/Cargo.toml
Normal file
27
src/k2v-client/Cargo.toml
Normal file
|
|
@ -0,0 +1,27 @@
|
|||
[package]
|
||||
name = "k2v-client"
|
||||
version = "0.1.0"
|
||||
edition = "2018"
|
||||
|
||||
[dependencies]
|
||||
base64 = "0.13.0"
|
||||
http = "0.2.6"
|
||||
rusoto_core = "0.48.0"
|
||||
rusoto_credential = "0.48.0"
|
||||
rusoto_signature = "0.48.0"
|
||||
serde = "1.0.137"
|
||||
serde_json = "1.0.81"
|
||||
thiserror = "1.0.31"
|
||||
tokio = "1.17.0"
|
||||
|
||||
# cli deps
|
||||
clap = { version = "3.1.18", optional = true, features = ["derive", "env"] }
|
||||
garage_util = { path = "../util", optional = true }
|
||||
|
||||
|
||||
[features]
|
||||
cli = ["clap", "tokio/fs", "tokio/io-std", "garage_util"]
|
||||
|
||||
[[bin]]
|
||||
name = "k2v-cli"
|
||||
required-features = ["cli"]
|
||||
25
src/k2v-client/README.md
Normal file
25
src/k2v-client/README.md
Normal file
|
|
@ -0,0 +1,25 @@
|
|||
Example usage:
|
||||
```sh
|
||||
# all these values can be provided on the cli instead
|
||||
export AWS_ACCESS_KEY_ID=GK123456
|
||||
export AWS_SECRET_ACCESS_KEY=0123..789
|
||||
export AWS_REGION=garage
|
||||
export K2V_ENDPOINT=http://172.30.2.1:3903
|
||||
export K2V_BUCKET=my-bucket
|
||||
|
||||
cargo run --features=cli -- read-range my-partition-key --all
|
||||
|
||||
cargo run --features=cli -- insert my-partition-key my-sort-key --text "my string1"
|
||||
cargo run --features=cli -- insert my-partition-key my-sort-key --text "my string2"
|
||||
cargo run --features=cli -- insert my-partition-key my-sort-key2 --text "my string"
|
||||
|
||||
cargo run --features=cli -- read-range my-partition-key --all
|
||||
|
||||
causality=$(cargo run --features=cli -- read my-partition-key my-sort-key2 -b | head -n1)
|
||||
cargo run --features=cli -- delete my-partition-key my-sort-key2 -c $causality
|
||||
|
||||
causality=$(cargo run --features=cli -- read my-partition-key my-sort-key -b | head -n1)
|
||||
cargo run --features=cli -- insert my-partition-key my-sort-key --text "my string3" -c $causality
|
||||
|
||||
cargo run --features=cli -- read-range my-partition-key --all
|
||||
```
|
||||
466
src/k2v-client/src/bin/k2v-cli.rs
Normal file
466
src/k2v-client/src/bin/k2v-cli.rs
Normal file
|
|
@ -0,0 +1,466 @@
|
|||
use k2v_client::*;
|
||||
|
||||
use garage_util::formater::format_table;
|
||||
|
||||
use rusoto_core::credential::AwsCredentials;
|
||||
use rusoto_core::Region;
|
||||
|
||||
use clap::{Parser, Subcommand};
|
||||
|
||||
/// K2V command line interface
|
||||
#[derive(Parser, Debug)]
|
||||
#[clap(author, version, about, long_about = None)]
|
||||
struct Args {
|
||||
/// Name of the region to use
|
||||
#[clap(short, long, env = "AWS_REGION", default_value = "garage")]
|
||||
region: String,
|
||||
/// Url of the endpoint to connect to
|
||||
#[clap(short, long, env = "K2V_ENDPOINT")]
|
||||
endpoint: String,
|
||||
/// Access key ID
|
||||
#[clap(short, long, env = "AWS_ACCESS_KEY_ID")]
|
||||
key_id: String,
|
||||
/// Access key ID
|
||||
#[clap(short, long, env = "AWS_SECRET_ACCESS_KEY")]
|
||||
secret: String,
|
||||
/// Bucket name
|
||||
#[clap(short, long, env = "K2V_BUCKET")]
|
||||
bucket: String,
|
||||
#[clap(subcommand)]
|
||||
command: Command,
|
||||
}
|
||||
|
||||
#[derive(Subcommand, Debug)]
|
||||
enum Command {
|
||||
/// Insert a single value
|
||||
Insert {
|
||||
/// Partition key to insert to
|
||||
partition_key: String,
|
||||
/// Sort key to insert to
|
||||
sort_key: String,
|
||||
/// Causality of the insertion
|
||||
#[clap(short, long)]
|
||||
causality: Option<String>,
|
||||
/// Value to insert
|
||||
#[clap(flatten)]
|
||||
value: Value,
|
||||
},
|
||||
/// Read a single value
|
||||
Read {
|
||||
/// Partition key to read from
|
||||
partition_key: String,
|
||||
/// Sort key to read from
|
||||
sort_key: String,
|
||||
/// Output formating
|
||||
#[clap(flatten)]
|
||||
output_kind: ReadOutputKind,
|
||||
},
|
||||
/// Delete a single value
|
||||
Delete {
|
||||
/// Partition key to delete from
|
||||
partition_key: String,
|
||||
/// Sort key to delete from
|
||||
sort_key: String,
|
||||
/// Causality information
|
||||
#[clap(short, long)]
|
||||
causality: String,
|
||||
},
|
||||
/// List partition keys
|
||||
ReadIndex {
|
||||
/// Output formating
|
||||
#[clap(flatten)]
|
||||
output_kind: BatchOutputKind,
|
||||
/// Output only partition keys matching this filter
|
||||
#[clap(flatten)]
|
||||
filter: Filter,
|
||||
},
|
||||
/// Read a range of sort keys
|
||||
ReadRange {
|
||||
/// Partition key to read from
|
||||
partition_key: String,
|
||||
/// Output formating
|
||||
#[clap(flatten)]
|
||||
output_kind: BatchOutputKind,
|
||||
/// Output only sort keys matching this filter
|
||||
#[clap(flatten)]
|
||||
filter: Filter,
|
||||
},
|
||||
/// Delete a range of sort keys
|
||||
DeleteRange {
|
||||
/// Partition key to delete from
|
||||
partition_key: String,
|
||||
/// Output formating
|
||||
#[clap(flatten)]
|
||||
output_kind: BatchOutputKind,
|
||||
/// Delete only sort keys matching this filter
|
||||
#[clap(flatten)]
|
||||
filter: Filter,
|
||||
},
|
||||
}
|
||||
|
||||
/// Where to read a value from
|
||||
#[derive(Parser, Debug)]
|
||||
#[clap(group = clap::ArgGroup::new("value").multiple(false).required(true))]
|
||||
struct Value {
|
||||
/// Read value from a file. use - to read from stdin
|
||||
#[clap(short, long, group = "value")]
|
||||
file: Option<String>,
|
||||
/// Read a base64 value from commandline
|
||||
#[clap(short, long, group = "value")]
|
||||
b64: Option<String>,
|
||||
/// Read a raw (UTF-8) value from the commandline
|
||||
#[clap(short, long, group = "value")]
|
||||
text: Option<String>,
|
||||
}
|
||||
|
||||
impl Value {
|
||||
async fn to_data(&self) -> Result<Vec<u8>, Error> {
|
||||
if let Some(ref text) = self.text {
|
||||
Ok(text.as_bytes().to_vec())
|
||||
} else if let Some(ref b64) = self.b64 {
|
||||
base64::decode(b64).map_err(|_| Error::Message("invalid base64 input".into()))
|
||||
} else if let Some(ref path) = self.file {
|
||||
use tokio::io::AsyncReadExt;
|
||||
if path == "-" {
|
||||
let mut file = tokio::io::stdin();
|
||||
let mut vec = Vec::new();
|
||||
file.read_to_end(&mut vec).await?;
|
||||
Ok(vec)
|
||||
} else {
|
||||
let mut file = tokio::fs::File::open(path).await?;
|
||||
let mut vec = Vec::new();
|
||||
file.read_to_end(&mut vec).await?;
|
||||
Ok(vec)
|
||||
}
|
||||
} else {
|
||||
unreachable!("Value must have one option set")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Parser, Debug)]
|
||||
#[clap(group = clap::ArgGroup::new("output-kind").multiple(false).required(false))]
|
||||
struct ReadOutputKind {
|
||||
/// Base64 output. Conflicts are line separated, first line is causality token
|
||||
#[clap(short, long, group = "output-kind")]
|
||||
b64: bool,
|
||||
/// Raw output. Conflicts generate error, causality token is not returned
|
||||
#[clap(short, long, group = "output-kind")]
|
||||
raw: bool,
|
||||
/// Human formated output
|
||||
#[clap(short = 'H', long, group = "output-kind")]
|
||||
human: bool,
|
||||
/// JSON formated output
|
||||
#[clap(short, long, group = "output-kind")]
|
||||
json: bool,
|
||||
}
|
||||
|
||||
impl ReadOutputKind {
|
||||
fn display_output(&self, val: CausalValue) -> ! {
|
||||
use std::io::Write;
|
||||
use std::process::exit;
|
||||
|
||||
if self.json {
|
||||
let stdout = std::io::stdout();
|
||||
serde_json::to_writer_pretty(stdout, &val).unwrap();
|
||||
exit(0);
|
||||
}
|
||||
|
||||
if self.raw {
|
||||
let mut val = val.value;
|
||||
if val.len() != 1 {
|
||||
eprintln!(
|
||||
"Raw mode can only read non-concurent values, found {} values, expected 1",
|
||||
val.len()
|
||||
);
|
||||
exit(1);
|
||||
}
|
||||
let val = val.pop().unwrap();
|
||||
match val {
|
||||
K2vValue::Value(v) => {
|
||||
std::io::stdout().write_all(&v).unwrap();
|
||||
exit(0);
|
||||
}
|
||||
K2vValue::Tombstone => {
|
||||
eprintln!("Expected value, found tombstone");
|
||||
exit(2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
let causality: String = val.causality.into();
|
||||
if self.b64 {
|
||||
println!("{}", causality);
|
||||
for val in val.value {
|
||||
match val {
|
||||
K2vValue::Value(v) => {
|
||||
println!("{}", base64::encode(&v))
|
||||
}
|
||||
K2vValue::Tombstone => {
|
||||
println!();
|
||||
}
|
||||
}
|
||||
}
|
||||
exit(0);
|
||||
}
|
||||
|
||||
// human
|
||||
println!("causality: {}", causality);
|
||||
println!("values:");
|
||||
for val in val.value {
|
||||
match val {
|
||||
K2vValue::Value(v) => {
|
||||
if let Ok(string) = std::str::from_utf8(&v) {
|
||||
println!(" utf-8: {}", string);
|
||||
} else {
|
||||
println!(" base64: {}", base64::encode(&v));
|
||||
}
|
||||
}
|
||||
K2vValue::Tombstone => {
|
||||
println!(" tombstone");
|
||||
}
|
||||
}
|
||||
}
|
||||
exit(0);
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Parser, Debug)]
|
||||
#[clap(group = clap::ArgGroup::new("output-kind").multiple(false).required(false))]
|
||||
struct BatchOutputKind {
|
||||
/// Human formated output
|
||||
#[clap(short = 'H', long, group = "output-kind")]
|
||||
human: bool,
|
||||
/// JSON formated output
|
||||
#[clap(short, long, group = "output-kind")]
|
||||
json: bool,
|
||||
}
|
||||
|
||||
/// Filter for batch operations
|
||||
#[derive(Parser, Debug)]
|
||||
#[clap(group = clap::ArgGroup::new("filter").multiple(true).required(true))]
|
||||
struct Filter {
|
||||
/// Match only keys starting with this prefix
|
||||
#[clap(short, long, group = "filter")]
|
||||
prefix: Option<String>,
|
||||
/// Match only keys lexicographically after this key (including this key itself)
|
||||
#[clap(short, long, group = "filter")]
|
||||
start: Option<String>,
|
||||
/// Match only keys lexicographically before this key (excluding this key)
|
||||
#[clap(short, long, group = "filter")]
|
||||
end: Option<String>,
|
||||
/// Only match the first X keys
|
||||
#[clap(short, long)]
|
||||
limit: Option<u64>,
|
||||
/// Return keys in reverse order
|
||||
#[clap(short, long)]
|
||||
reverse: bool,
|
||||
/// Return only keys where conflict happened
|
||||
#[clap(short, long)]
|
||||
conflicts_only: bool,
|
||||
/// Also include keys storing only tombstones
|
||||
#[clap(short, long)]
|
||||
tombstones: bool,
|
||||
/// Return any key
|
||||
#[clap(short, long, group = "filter")]
|
||||
all: bool,
|
||||
}
|
||||
|
||||
impl Filter {
|
||||
fn k2v_filter(&self) -> k2v_client::Filter<'_> {
|
||||
k2v_client::Filter {
|
||||
start: self.start.as_deref(),
|
||||
end: self.end.as_deref(),
|
||||
prefix: self.prefix.as_deref(),
|
||||
limit: self.limit,
|
||||
reverse: self.reverse,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[tokio::main]
|
||||
async fn main() -> Result<(), Error> {
|
||||
let args = Args::parse();
|
||||
|
||||
let region = Region::Custom {
|
||||
name: args.region,
|
||||
endpoint: args.endpoint,
|
||||
};
|
||||
|
||||
let creds = AwsCredentials::new(args.key_id, args.secret, None, None);
|
||||
|
||||
let client = K2vClient::new(region, args.bucket, creds, None)?;
|
||||
|
||||
match args.command {
|
||||
Command::Insert {
|
||||
partition_key,
|
||||
sort_key,
|
||||
causality,
|
||||
value,
|
||||
} => {
|
||||
client
|
||||
.insert_item(
|
||||
&partition_key,
|
||||
&sort_key,
|
||||
value.to_data().await?,
|
||||
causality.map(Into::into),
|
||||
)
|
||||
.await?;
|
||||
}
|
||||
Command::Delete {
|
||||
partition_key,
|
||||
sort_key,
|
||||
causality,
|
||||
} => {
|
||||
client
|
||||
.delete_item(&partition_key, &sort_key, causality.into())
|
||||
.await?;
|
||||
}
|
||||
Command::Read {
|
||||
partition_key,
|
||||
sort_key,
|
||||
output_kind,
|
||||
} => {
|
||||
let res = client.read_item(&partition_key, &sort_key).await?;
|
||||
output_kind.display_output(res);
|
||||
}
|
||||
Command::ReadIndex {
|
||||
output_kind,
|
||||
filter,
|
||||
} => {
|
||||
if filter.conflicts_only || filter.tombstones {
|
||||
return Err(Error::Message(
|
||||
"conlicts-only and tombstones are invalid for read-index".into(),
|
||||
));
|
||||
}
|
||||
let res = client.read_index(filter.k2v_filter()).await?;
|
||||
if output_kind.json {
|
||||
let values = res
|
||||
.items
|
||||
.into_iter()
|
||||
.map(|(k, v)| {
|
||||
let mut value = serde_json::to_value(v).unwrap();
|
||||
value
|
||||
.as_object_mut()
|
||||
.unwrap()
|
||||
.insert("sort_key".to_owned(), k.into());
|
||||
value
|
||||
})
|
||||
.collect::<Vec<_>>();
|
||||
let json = serde_json::json!({
|
||||
"next_key": res.next_start,
|
||||
"values": values,
|
||||
});
|
||||
|
||||
let stdout = std::io::stdout();
|
||||
serde_json::to_writer_pretty(stdout, &json).unwrap();
|
||||
} else {
|
||||
if let Some(next) = res.next_start {
|
||||
println!("next key: {}", next);
|
||||
}
|
||||
|
||||
let mut to_print = Vec::new();
|
||||
to_print.push(format!("key:\tentries\tconflicts\tvalues\tbytes"));
|
||||
for (k, v) in res.items {
|
||||
to_print.push(format!(
|
||||
"{}\t{}\t{}\t{}\t{}",
|
||||
k, v.entries, v.conflicts, v.values, v.bytes
|
||||
));
|
||||
}
|
||||
format_table(to_print);
|
||||
}
|
||||
}
|
||||
Command::ReadRange {
|
||||
partition_key,
|
||||
output_kind,
|
||||
filter,
|
||||
} => {
|
||||
let op = BatchReadOp {
|
||||
partition_key: &partition_key,
|
||||
filter: filter.k2v_filter(),
|
||||
conflicts_only: filter.conflicts_only,
|
||||
tombstones: filter.tombstones,
|
||||
single_item: false,
|
||||
};
|
||||
let mut res = client.read_batch(&[op]).await?;
|
||||
let res = res.pop().unwrap();
|
||||
if output_kind.json {
|
||||
let values = res
|
||||
.items
|
||||
.into_iter()
|
||||
.map(|(k, v)| {
|
||||
let mut value = serde_json::to_value(v).unwrap();
|
||||
value
|
||||
.as_object_mut()
|
||||
.unwrap()
|
||||
.insert("sort_key".to_owned(), k.into());
|
||||
value
|
||||
})
|
||||
.collect::<Vec<_>>();
|
||||
let json = serde_json::json!({
|
||||
"next_key": res.next_start,
|
||||
"values": values,
|
||||
});
|
||||
|
||||
let stdout = std::io::stdout();
|
||||
serde_json::to_writer_pretty(stdout, &json).unwrap();
|
||||
} else {
|
||||
if let Some(next) = res.next_start {
|
||||
println!("next key: {}", next);
|
||||
}
|
||||
for (key, values) in res.items {
|
||||
println!("key: {}", key);
|
||||
let causality: String = values.causality.into();
|
||||
println!("causality: {}", causality);
|
||||
for value in values.value {
|
||||
match value {
|
||||
K2vValue::Value(v) => {
|
||||
if let Ok(string) = std::str::from_utf8(&v) {
|
||||
println!(" value(utf-8): {}", string);
|
||||
} else {
|
||||
println!(" value(base64): {}", base64::encode(&v));
|
||||
}
|
||||
}
|
||||
K2vValue::Tombstone => {
|
||||
println!(" tombstone");
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Command::DeleteRange {
|
||||
partition_key,
|
||||
output_kind,
|
||||
filter,
|
||||
} => {
|
||||
let op = BatchDeleteOp {
|
||||
partition_key: &partition_key,
|
||||
prefix: filter.prefix.as_deref(),
|
||||
start: filter.start.as_deref(),
|
||||
end: filter.end.as_deref(),
|
||||
single_item: false,
|
||||
};
|
||||
if filter.reverse
|
||||
|| filter.conflicts_only
|
||||
|| filter.tombstones
|
||||
|| filter.limit.is_some()
|
||||
{
|
||||
return Err(Error::Message(
|
||||
"limit, conlicts-only, reverse and tombstones are invalid for delete-range"
|
||||
.into(),
|
||||
));
|
||||
}
|
||||
|
||||
let res = client.delete_batch(&[op]).await?;
|
||||
|
||||
if output_kind.json {
|
||||
println!("{}", res[0]);
|
||||
} else {
|
||||
println!("deleted {} keys", res[0]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
22
src/k2v-client/src/error.rs
Normal file
22
src/k2v-client/src/error.rs
Normal file
|
|
@ -0,0 +1,22 @@
|
|||
use std::borrow::Cow;
|
||||
|
||||
use thiserror::Error;
|
||||
|
||||
/// Errors returned by this crate
|
||||
#[derive(Error, Debug)]
|
||||
pub enum Error {
|
||||
#[error("received invalid response: {0}")]
|
||||
InvalidResponse(Cow<'static, str>),
|
||||
#[error("not found")]
|
||||
NotFound,
|
||||
#[error("io error: {0}")]
|
||||
IoError(#[from] std::io::Error),
|
||||
#[error("rusoto tls error: {0}")]
|
||||
RusotoTls(#[from] rusoto_core::request::TlsError),
|
||||
#[error("rusoto http error: {0}")]
|
||||
RusotoHttp(#[from] rusoto_core::HttpDispatchError),
|
||||
#[error("deserialization error: {0}")]
|
||||
Deserialization(#[from] serde_json::Error),
|
||||
#[error("{0}")]
|
||||
Message(Cow<'static, str>),
|
||||
}
|
||||
566
src/k2v-client/src/lib.rs
Normal file
566
src/k2v-client/src/lib.rs
Normal file
|
|
@ -0,0 +1,566 @@
|
|||
use std::collections::BTreeMap;
|
||||
use std::time::Duration;
|
||||
|
||||
use http::header::{ACCEPT, CONTENT_LENGTH, CONTENT_TYPE};
|
||||
use http::status::StatusCode;
|
||||
use http::HeaderMap;
|
||||
|
||||
use rusoto_core::{ByteStream, DispatchSignedRequest, HttpClient};
|
||||
use rusoto_credential::AwsCredentials;
|
||||
use rusoto_signature::region::Region;
|
||||
use rusoto_signature::signature::SignedRequest;
|
||||
use serde::de::Error as DeError;
|
||||
use serde::{Deserialize, Deserializer, Serialize, Serializer};
|
||||
|
||||
use tokio::io::AsyncReadExt;
|
||||
|
||||
mod error;
|
||||
|
||||
pub use error::Error;
|
||||
|
||||
const DEFAULT_TIMEOUT: Duration = Duration::from_secs(5);
|
||||
const DEFAULT_POLL_TIMEOUT: Duration = Duration::from_secs(300);
|
||||
const SERVICE: &str = "k2v";
|
||||
const GARAGE_CAUSALITY_TOKEN: &str = "X-Garage-Causality-Token";
|
||||
|
||||
/// Client used to query a K2V server.
|
||||
pub struct K2vClient {
|
||||
region: Region,
|
||||
bucket: String,
|
||||
creds: AwsCredentials,
|
||||
client: HttpClient,
|
||||
}
|
||||
|
||||
impl K2vClient {
|
||||
/// Create a new K2V client.
|
||||
pub fn new(
|
||||
region: Region,
|
||||
bucket: String,
|
||||
creds: AwsCredentials,
|
||||
user_agent: Option<String>,
|
||||
) -> Result<Self, Error> {
|
||||
let mut client = HttpClient::new()?;
|
||||
if let Some(ua) = user_agent {
|
||||
client.local_agent_prepend(ua);
|
||||
} else {
|
||||
client.local_agent_prepend(format!("k2v/{}", env!("CARGO_PKG_VERSION")));
|
||||
}
|
||||
Ok(K2vClient {
|
||||
region,
|
||||
bucket,
|
||||
creds,
|
||||
client,
|
||||
})
|
||||
}
|
||||
|
||||
/// Perform a ReadItem request, reading the value(s) stored for a single pk+sk.
|
||||
pub async fn read_item(
|
||||
&self,
|
||||
partition_key: &str,
|
||||
sort_key: &str,
|
||||
) -> Result<CausalValue, Error> {
|
||||
let mut req = SignedRequest::new(
|
||||
"GET",
|
||||
SERVICE,
|
||||
&self.region,
|
||||
&format!("/{}/{}", self.bucket, partition_key),
|
||||
);
|
||||
req.add_param("sort_key", sort_key);
|
||||
req.add_header(ACCEPT, "application/octet-stream, application/json");
|
||||
|
||||
let res = self.dispatch(req, None).await?;
|
||||
|
||||
let causality = res
|
||||
.causality_token
|
||||
.ok_or_else(|| Error::InvalidResponse("missing causality token".into()))?;
|
||||
|
||||
if res.status == StatusCode::NO_CONTENT {
|
||||
return Ok(CausalValue {
|
||||
causality,
|
||||
value: vec![K2vValue::Tombstone],
|
||||
});
|
||||
}
|
||||
|
||||
match res.content_type.as_deref() {
|
||||
Some("application/octet-stream") => Ok(CausalValue {
|
||||
causality,
|
||||
value: vec![K2vValue::Value(res.body)],
|
||||
}),
|
||||
Some("application/json") => {
|
||||
let value = serde_json::from_slice(&res.body)?;
|
||||
Ok(CausalValue { causality, value })
|
||||
}
|
||||
Some(ct) => Err(Error::InvalidResponse(
|
||||
format!("invalid content type: {}", ct).into(),
|
||||
)),
|
||||
None => Err(Error::InvalidResponse("missing content type".into())),
|
||||
}
|
||||
}
|
||||
|
||||
/// Perform a PollItem request, waiting for the value(s) stored for a single pk+sk to be
|
||||
/// updated.
|
||||
pub async fn poll_item(
|
||||
&self,
|
||||
partition_key: &str,
|
||||
sort_key: &str,
|
||||
causality: CausalityToken,
|
||||
timeout: Option<Duration>,
|
||||
) -> Result<Option<CausalValue>, Error> {
|
||||
let timeout = timeout.unwrap_or(DEFAULT_POLL_TIMEOUT);
|
||||
|
||||
let mut req = SignedRequest::new(
|
||||
"GET",
|
||||
SERVICE,
|
||||
&self.region,
|
||||
&format!("/{}/{}", self.bucket, partition_key),
|
||||
);
|
||||
req.add_param("sort_key", sort_key);
|
||||
req.add_param("causality_token", &causality.0);
|
||||
req.add_param("timeout", &timeout.as_secs().to_string());
|
||||
req.add_header(ACCEPT, "application/octet-stream, application/json");
|
||||
|
||||
let res = self.dispatch(req, Some(timeout + DEFAULT_TIMEOUT)).await?;
|
||||
|
||||
let causality = res
|
||||
.causality_token
|
||||
.ok_or_else(|| Error::InvalidResponse("missing causality token".into()))?;
|
||||
|
||||
if res.status == StatusCode::NOT_MODIFIED {
|
||||
return Ok(None);
|
||||
}
|
||||
|
||||
if res.status == StatusCode::NO_CONTENT {
|
||||
return Ok(Some(CausalValue {
|
||||
causality,
|
||||
value: vec![K2vValue::Tombstone],
|
||||
}));
|
||||
}
|
||||
|
||||
match res.content_type.as_deref() {
|
||||
Some("application/octet-stream") => Ok(Some(CausalValue {
|
||||
causality,
|
||||
value: vec![K2vValue::Value(res.body)],
|
||||
})),
|
||||
Some("application/json") => {
|
||||
let value = serde_json::from_slice(&res.body)?;
|
||||
Ok(Some(CausalValue { causality, value }))
|
||||
}
|
||||
Some(ct) => Err(Error::InvalidResponse(
|
||||
format!("invalid content type: {}", ct).into(),
|
||||
)),
|
||||
None => Err(Error::InvalidResponse("missing content type".into())),
|
||||
}
|
||||
}
|
||||
|
||||
/// Perform an InsertItem request, inserting a value for a single pk+sk.
|
||||
pub async fn insert_item(
|
||||
&self,
|
||||
partition_key: &str,
|
||||
sort_key: &str,
|
||||
value: Vec<u8>,
|
||||
causality: Option<CausalityToken>,
|
||||
) -> Result<(), Error> {
|
||||
let mut req = SignedRequest::new(
|
||||
"PUT",
|
||||
SERVICE,
|
||||
&self.region,
|
||||
&format!("/{}/{}", self.bucket, partition_key),
|
||||
);
|
||||
req.add_param("sort_key", sort_key);
|
||||
req.set_payload(Some(value));
|
||||
|
||||
if let Some(causality) = causality {
|
||||
req.add_header(GARAGE_CAUSALITY_TOKEN, &causality.0);
|
||||
}
|
||||
|
||||
self.dispatch(req, None).await?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Perform a DeleteItem request, deleting the value(s) stored for a single pk+sk.
|
||||
pub async fn delete_item(
|
||||
&self,
|
||||
partition_key: &str,
|
||||
sort_key: &str,
|
||||
causality: CausalityToken,
|
||||
) -> Result<(), Error> {
|
||||
let mut req = SignedRequest::new(
|
||||
"DELETE",
|
||||
SERVICE,
|
||||
&self.region,
|
||||
&format!("/{}/{}", self.bucket, partition_key),
|
||||
);
|
||||
req.add_param("sort_key", sort_key);
|
||||
req.add_header(GARAGE_CAUSALITY_TOKEN, &causality.0);
|
||||
|
||||
self.dispatch(req, None).await?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Perform a ReadIndex request, listing partition key which have at least one associated
|
||||
/// sort key, and which matches the filter.
|
||||
pub async fn read_index(
|
||||
&self,
|
||||
filter: Filter<'_>,
|
||||
) -> Result<PaginatedRange<PartitionInfo>, Error> {
|
||||
let mut req =
|
||||
SignedRequest::new("GET", SERVICE, &self.region, &format!("/{}", self.bucket));
|
||||
filter.insert_params(&mut req);
|
||||
|
||||
let res = self.dispatch(req, None).await?;
|
||||
|
||||
let resp: ReadIndexResponse = serde_json::from_slice(&res.body)?;
|
||||
|
||||
let items = resp
|
||||
.partition_keys
|
||||
.into_iter()
|
||||
.map(|ReadIndexItem { pk, info }| (pk, info))
|
||||
.collect();
|
||||
|
||||
Ok(PaginatedRange {
|
||||
items,
|
||||
next_start: resp.next_start,
|
||||
})
|
||||
}
|
||||
|
||||
/// Perform an InsertBatch request, inserting multiple values at once. Note: this operation is
|
||||
/// *not* atomic: it is possible for some sub-operations to fails and others to success. In
|
||||
/// that case, failure is reported.
|
||||
pub async fn insert_batch(&self, operations: &[BatchInsertOp<'_>]) -> Result<(), Error> {
|
||||
let mut req =
|
||||
SignedRequest::new("POST", SERVICE, &self.region, &format!("/{}", self.bucket));
|
||||
|
||||
let payload = serde_json::to_vec(operations)?;
|
||||
req.set_payload(Some(payload));
|
||||
self.dispatch(req, None).await?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
/// Perform a ReadBatch request, reading multiple values or range of values at once.
|
||||
pub async fn read_batch(
|
||||
&self,
|
||||
operations: &[BatchReadOp<'_>],
|
||||
) -> Result<Vec<PaginatedRange<CausalValue>>, Error> {
|
||||
let mut req =
|
||||
SignedRequest::new("POST", SERVICE, &self.region, &format!("/{}", self.bucket));
|
||||
req.add_param("search", "");
|
||||
|
||||
let payload = serde_json::to_vec(operations)?;
|
||||
req.set_payload(Some(payload));
|
||||
let res = self.dispatch(req, None).await?;
|
||||
|
||||
let resp: Vec<BatchReadResponse> = serde_json::from_slice(&res.body)?;
|
||||
|
||||
Ok(resp
|
||||
.into_iter()
|
||||
.map(|e| PaginatedRange {
|
||||
items: e
|
||||
.items
|
||||
.into_iter()
|
||||
.map(|BatchReadItem { sk, ct, v }| {
|
||||
(
|
||||
sk,
|
||||
CausalValue {
|
||||
causality: ct,
|
||||
value: v,
|
||||
},
|
||||
)
|
||||
})
|
||||
.collect(),
|
||||
next_start: e.next_start,
|
||||
})
|
||||
.collect())
|
||||
}
|
||||
|
||||
/// Perform a DeleteBatch request, deleting mutiple values or range of values at once, without
|
||||
/// providing causality information.
|
||||
pub async fn delete_batch(&self, operations: &[BatchDeleteOp<'_>]) -> Result<Vec<u64>, Error> {
|
||||
let mut req =
|
||||
SignedRequest::new("POST", SERVICE, &self.region, &format!("/{}", self.bucket));
|
||||
req.add_param("delete", "");
|
||||
|
||||
let payload = serde_json::to_vec(operations)?;
|
||||
req.set_payload(Some(payload));
|
||||
let res = self.dispatch(req, None).await?;
|
||||
|
||||
let resp: Vec<BatchDeleteResponse> = serde_json::from_slice(&res.body)?;
|
||||
|
||||
Ok(resp.into_iter().map(|r| r.deleted_items).collect())
|
||||
}
|
||||
|
||||
async fn dispatch(
|
||||
&self,
|
||||
mut req: SignedRequest,
|
||||
timeout: Option<Duration>,
|
||||
) -> Result<Response, Error> {
|
||||
req.sign(&self.creds);
|
||||
let mut res = self
|
||||
.client
|
||||
.dispatch(req, Some(timeout.unwrap_or(DEFAULT_TIMEOUT)))
|
||||
.await?;
|
||||
|
||||
let causality_token = res
|
||||
.headers
|
||||
.remove(GARAGE_CAUSALITY_TOKEN)
|
||||
.map(CausalityToken);
|
||||
let content_type = res.headers.remove(CONTENT_TYPE);
|
||||
|
||||
let body = match res.status {
|
||||
StatusCode::OK => read_body(&mut res.headers, res.body).await?,
|
||||
StatusCode::NO_CONTENT => Vec::new(),
|
||||
StatusCode::NOT_FOUND => return Err(Error::NotFound),
|
||||
StatusCode::NOT_MODIFIED => Vec::new(),
|
||||
_ => {
|
||||
return Err(Error::InvalidResponse(
|
||||
format!("invalid error code: {}", res.status).into(),
|
||||
))
|
||||
}
|
||||
};
|
||||
|
||||
Ok(Response {
|
||||
body,
|
||||
status: res.status,
|
||||
causality_token,
|
||||
content_type,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
async fn read_body(headers: &mut HeaderMap<String>, body: ByteStream) -> Result<Vec<u8>, Error> {
|
||||
let body_len = headers
|
||||
.get(CONTENT_LENGTH)
|
||||
.and_then(|h| h.parse().ok())
|
||||
.unwrap_or(0);
|
||||
let mut res = Vec::with_capacity(body_len);
|
||||
body.into_async_read().read_to_end(&mut res).await?;
|
||||
Ok(res)
|
||||
}
|
||||
|
||||
/// An opaque token used to convey causality between operations.
|
||||
#[derive(Debug, Clone, PartialEq, Eq, Deserialize, Serialize)]
|
||||
#[serde(transparent)]
|
||||
pub struct CausalityToken(String);
|
||||
|
||||
impl From<String> for CausalityToken {
|
||||
fn from(v: String) -> Self {
|
||||
CausalityToken(v)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<CausalityToken> for String {
|
||||
fn from(v: CausalityToken) -> Self {
|
||||
v.0
|
||||
}
|
||||
}
|
||||
|
||||
/// A value in K2V. can be either a binary value, or a tombstone.
|
||||
#[derive(Debug, Clone, PartialEq, Eq)]
|
||||
pub enum K2vValue {
|
||||
Tombstone,
|
||||
Value(Vec<u8>),
|
||||
}
|
||||
|
||||
impl From<Vec<u8>> for K2vValue {
|
||||
fn from(v: Vec<u8>) -> Self {
|
||||
K2vValue::Value(v)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<Option<Vec<u8>>> for K2vValue {
|
||||
fn from(v: Option<Vec<u8>>) -> Self {
|
||||
match v {
|
||||
Some(v) => K2vValue::Value(v),
|
||||
None => K2vValue::Tombstone,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<'de> Deserialize<'de> for K2vValue {
|
||||
fn deserialize<D>(d: D) -> Result<Self, D::Error>
|
||||
where
|
||||
D: Deserializer<'de>,
|
||||
{
|
||||
let val: Option<&str> = Option::deserialize(d)?;
|
||||
Ok(match val {
|
||||
Some(s) => {
|
||||
K2vValue::Value(base64::decode(s).map_err(|_| DeError::custom("invalid base64"))?)
|
||||
}
|
||||
None => K2vValue::Tombstone,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
impl Serialize for K2vValue {
|
||||
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
|
||||
where
|
||||
S: Serializer,
|
||||
{
|
||||
match self {
|
||||
K2vValue::Tombstone => serializer.serialize_none(),
|
||||
K2vValue::Value(v) => {
|
||||
let b64 = base64::encode(v);
|
||||
serializer.serialize_str(&b64)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// A set of K2vValue and associated causality information.
|
||||
#[derive(Debug, Clone, Serialize)]
|
||||
pub struct CausalValue {
|
||||
pub causality: CausalityToken,
|
||||
pub value: Vec<K2vValue>,
|
||||
}
|
||||
|
||||
/// Result of paginated requests.
|
||||
#[derive(Debug, Clone)]
|
||||
pub struct PaginatedRange<V> {
|
||||
pub items: BTreeMap<String, V>,
|
||||
pub next_start: Option<String>,
|
||||
}
|
||||
|
||||
/// Filter for batch operations.
|
||||
#[derive(Debug, Default, Clone, Deserialize, Serialize)]
|
||||
pub struct Filter<'a> {
|
||||
pub start: Option<&'a str>,
|
||||
pub end: Option<&'a str>,
|
||||
pub prefix: Option<&'a str>,
|
||||
pub limit: Option<u64>,
|
||||
#[serde(default)]
|
||||
pub reverse: bool,
|
||||
}
|
||||
|
||||
impl<'a> Filter<'a> {
|
||||
fn insert_params(&self, req: &mut SignedRequest) {
|
||||
if let Some(start) = &self.start {
|
||||
req.add_param("start", start);
|
||||
}
|
||||
if let Some(end) = &self.end {
|
||||
req.add_param("end", end);
|
||||
}
|
||||
if let Some(prefix) = &self.prefix {
|
||||
req.add_param("prefix", prefix);
|
||||
}
|
||||
if let Some(limit) = &self.limit {
|
||||
req.add_param("limit", &limit.to_string());
|
||||
}
|
||||
if self.reverse {
|
||||
req.add_param("reverse", "true");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Deserialize)]
|
||||
#[serde(rename_all = "camelCase")]
|
||||
struct ReadIndexResponse<'a> {
|
||||
#[serde(flatten, borrow)]
|
||||
#[allow(dead_code)]
|
||||
filter: Filter<'a>,
|
||||
partition_keys: Vec<ReadIndexItem>,
|
||||
#[allow(dead_code)]
|
||||
more: bool,
|
||||
next_start: Option<String>,
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Deserialize)]
|
||||
struct ReadIndexItem {
|
||||
pk: String,
|
||||
#[serde(flatten)]
|
||||
info: PartitionInfo,
|
||||
}
|
||||
|
||||
/// Information about data stored with a given partition key.
|
||||
#[derive(Debug, Clone, Deserialize, Serialize)]
|
||||
pub struct PartitionInfo {
|
||||
pub entries: u64,
|
||||
pub conflicts: u64,
|
||||
pub values: u64,
|
||||
pub bytes: u64,
|
||||
}
|
||||
|
||||
/// Single sub-operation of an InsertBatch.
|
||||
#[derive(Debug, Clone, Serialize)]
|
||||
pub struct BatchInsertOp<'a> {
|
||||
#[serde(rename = "pk")]
|
||||
pub partition_key: &'a str,
|
||||
#[serde(rename = "sk")]
|
||||
pub sort_key: &'a str,
|
||||
#[serde(rename = "ct")]
|
||||
pub causality: Option<CausalityToken>,
|
||||
#[serde(rename = "v")]
|
||||
pub value: K2vValue,
|
||||
}
|
||||
|
||||
/// Single sub-operation of a ReadBatch.
|
||||
#[derive(Debug, Default, Clone, Deserialize, Serialize)]
|
||||
#[serde(rename_all = "camelCase")]
|
||||
pub struct BatchReadOp<'a> {
|
||||
pub partition_key: &'a str,
|
||||
#[serde(flatten, borrow)]
|
||||
pub filter: Filter<'a>,
|
||||
#[serde(default)]
|
||||
pub single_item: bool,
|
||||
#[serde(default)]
|
||||
pub conflicts_only: bool,
|
||||
#[serde(default)]
|
||||
pub tombstones: bool,
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Deserialize)]
|
||||
#[serde(rename_all = "camelCase")]
|
||||
struct BatchReadResponse<'a> {
|
||||
#[serde(flatten, borrow)]
|
||||
#[allow(dead_code)]
|
||||
op: BatchReadOp<'a>,
|
||||
items: Vec<BatchReadItem>,
|
||||
#[allow(dead_code)]
|
||||
more: bool,
|
||||
next_start: Option<String>,
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Deserialize)]
|
||||
struct BatchReadItem {
|
||||
sk: String,
|
||||
ct: CausalityToken,
|
||||
v: Vec<K2vValue>,
|
||||
}
|
||||
|
||||
/// Single sub-operation of a DeleteBatch
|
||||
#[derive(Debug, Clone, Deserialize, Serialize)]
|
||||
#[serde(rename_all = "camelCase")]
|
||||
pub struct BatchDeleteOp<'a> {
|
||||
pub partition_key: &'a str,
|
||||
pub prefix: Option<&'a str>,
|
||||
pub start: Option<&'a str>,
|
||||
pub end: Option<&'a str>,
|
||||
#[serde(default)]
|
||||
pub single_item: bool,
|
||||
}
|
||||
|
||||
impl<'a> BatchDeleteOp<'a> {
|
||||
pub fn new(partition_key: &'a str) -> Self {
|
||||
BatchDeleteOp {
|
||||
partition_key,
|
||||
prefix: None,
|
||||
start: None,
|
||||
end: None,
|
||||
single_item: false,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Deserialize)]
|
||||
#[serde(rename_all = "camelCase")]
|
||||
struct BatchDeleteResponse<'a> {
|
||||
#[serde(flatten, borrow)]
|
||||
#[allow(dead_code)]
|
||||
filter: BatchDeleteOp<'a>,
|
||||
deleted_items: u64,
|
||||
}
|
||||
|
||||
struct Response {
|
||||
body: Vec<u8>,
|
||||
status: StatusCode,
|
||||
causality_token: Option<CausalityToken>,
|
||||
content_type: Option<String>,
|
||||
}
|
||||
28
src/util/formater.rs
Normal file
28
src/util/formater.rs
Normal file
|
|
@ -0,0 +1,28 @@
|
|||
pub fn format_table(data: Vec<String>) {
|
||||
let data = data
|
||||
.iter()
|
||||
.map(|s| s.split('\t').collect::<Vec<_>>())
|
||||
.collect::<Vec<_>>();
|
||||
|
||||
let columns = data.iter().map(|row| row.len()).fold(0, std::cmp::max);
|
||||
let mut column_size = vec![0; columns];
|
||||
|
||||
let mut out = String::new();
|
||||
|
||||
for row in data.iter() {
|
||||
for (i, col) in row.iter().enumerate() {
|
||||
column_size[i] = std::cmp::max(column_size[i], col.chars().count());
|
||||
}
|
||||
}
|
||||
|
||||
for row in data.iter() {
|
||||
for (col, col_len) in row[..row.len() - 1].iter().zip(column_size.iter()) {
|
||||
out.push_str(col);
|
||||
(0..col_len - col.chars().count() + 2).for_each(|_| out.push(' '));
|
||||
}
|
||||
out.push_str(row[row.len() - 1]);
|
||||
out.push('\n');
|
||||
}
|
||||
|
||||
print!("{}", out);
|
||||
}
|
||||
|
|
@ -8,6 +8,7 @@ pub mod config;
|
|||
pub mod crdt;
|
||||
pub mod data;
|
||||
pub mod error;
|
||||
pub mod formater;
|
||||
pub mod metrics;
|
||||
pub mod persister;
|
||||
pub mod sled_counter;
|
||||
|
|
|
|||
Loading…
Reference in a new issue