diff options
Diffstat (limited to 'vendor/github.com/mistifyio/go-zfs/v3')
19 files changed, 1981 insertions, 0 deletions
diff --git a/vendor/github.com/mistifyio/go-zfs/v3/.envrc b/vendor/github.com/mistifyio/go-zfs/v3/.envrc new file mode 100644 index 000000000..f310aea66 --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/.envrc @@ -0,0 +1,4 @@ +has nix && use nix +dotenv_if_exists +PATH_add bin +path_add GOBIN bin diff --git a/vendor/github.com/mistifyio/go-zfs/v3/.gitignore b/vendor/github.com/mistifyio/go-zfs/v3/.gitignore new file mode 100644 index 000000000..0867490ad --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/.gitignore @@ -0,0 +1,6 @@ +bin +go-zfs.test +.vagrant + +# added by lint-install +out/ diff --git a/vendor/github.com/mistifyio/go-zfs/v3/.golangci.yml b/vendor/github.com/mistifyio/go-zfs/v3/.golangci.yml new file mode 100644 index 000000000..499c3eca1 --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/.golangci.yml @@ -0,0 +1,207 @@ +run: + # The default runtime timeout is 1m, which doesn't work well on Github Actions. + timeout: 4m + +# NOTE: This file is populated by the lint-install tool. Local adjustments may be overwritten. +linters-settings: + cyclop: + # NOTE: This is a very high transitional threshold + max-complexity: 37 + package-average: 34.0 + skip-tests: true + + gocognit: + # NOTE: This is a very high transitional threshold + min-complexity: 98 + + dupl: + threshold: 200 + + goconst: + min-len: 4 + min-occurrences: 5 + ignore-tests: true + + gosec: + excludes: + - G107 # Potential HTTP request made with variable url + - G204 # Subprocess launched with function call as argument or cmd arguments + - G404 # Use of weak random number generator (math/rand instead of crypto/rand + + errorlint: + # these are still common in Go: for instance, exit errors. + asserts: false + + exhaustive: + default-signifies-exhaustive: true + + nestif: + min-complexity: 8 + + nolintlint: + require-explanation: true + allow-unused: false + require-specific: true + + revive: + ignore-generated-header: true + severity: warning + rules: + - name: atomic + - name: blank-imports + - name: bool-literal-in-expr + - name: confusing-naming + - name: constant-logical-expr + - name: context-as-argument + - name: context-keys-type + - name: deep-exit + - name: defer + - name: range-val-in-closure + - name: range-val-address + - name: dot-imports + - name: error-naming + - name: error-return + - name: error-strings + - name: errorf + - name: exported + - name: identical-branches + - name: if-return + - name: import-shadowing + - name: increment-decrement + - name: indent-error-flow + - name: indent-error-flow + - name: package-comments + - name: range + - name: receiver-naming + - name: redefines-builtin-id + - name: superfluous-else + - name: struct-tag + - name: time-naming + - name: unexported-naming + - name: unexported-return + - name: unnecessary-stmt + - name: unreachable-code + - name: unused-parameter + - name: var-declaration + - name: var-naming + - name: unconditional-recursion + - name: waitgroup-by-value + + staticcheck: + go: "1.16" + + unused: + go: "1.16" + +output: + sort-results: true + +linters: + disable-all: true + enable: + - asciicheck + - bodyclose + - cyclop + - deadcode + - dogsled + - dupl + - durationcheck + - errcheck + - errname + - errorlint + - exhaustive + - exportloopref + - forcetypeassert + - gocognit + - goconst + - gocritic + - godot + - gofmt + - gofumpt + - gosec + - goheader + - goimports + - goprintffuncname + - gosimple + - govet + - ifshort + - importas + - ineffassign + - makezero + - misspell + - nakedret + - nestif + - nilerr + - noctx + - nolintlint + - predeclared + # disabling for the initial iteration of the linting tool + # - promlinter + - revive + - rowserrcheck + - sqlclosecheck + - staticcheck + - structcheck + - stylecheck + - thelper + - tparallel + - typecheck + - unconvert + - unparam + - unused + - varcheck + - wastedassign + - whitespace + + # Disabled linters, due to being misaligned with Go practices + # - exhaustivestruct + # - gochecknoglobals + # - gochecknoinits + # - goconst + # - godox + # - goerr113 + # - gomnd + # - lll + # - nlreturn + # - testpackage + # - wsl + # Disabled linters, due to not being relevant to our code base: + # - maligned + # - prealloc "For most programs usage of prealloc will be a premature optimization." + # Disabled linters due to bad error messages or bugs + # - tagliatelle + +issues: + # Excluding configuration per-path, per-linter, per-text and per-source + exclude-rules: + - path: _test\.go + linters: + - dupl + - errcheck + - forcetypeassert + - gocyclo + - gosec + - noctx + + - path: .*cmd.* + linters: + - noctx + + - path: main\.go + linters: + - noctx + + - path: .*cmd.* + text: "deep-exit" + + - path: main\.go + text: "deep-exit" + + # This check is of questionable value + - linters: + - tparallel + text: "call t.Parallel on the top level as well as its subtests" + + # Don't hide lint issues just because there are many of them + max-same-issues: 0 + max-issues-per-linter: 0 diff --git a/vendor/github.com/mistifyio/go-zfs/v3/.yamllint b/vendor/github.com/mistifyio/go-zfs/v3/.yamllint new file mode 100644 index 000000000..9a08ad176 --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/.yamllint @@ -0,0 +1,16 @@ +--- +extends: default + +rules: + braces: + max-spaces-inside: 1 + brackets: + max-spaces-inside: 1 + comments: disable + comments-indentation: disable + document-start: disable + line-length: + level: warning + max: 160 + allow-non-breakable-inline-mappings: true + truthy: disable diff --git a/vendor/github.com/mistifyio/go-zfs/v3/CHANGELOG.md b/vendor/github.com/mistifyio/go-zfs/v3/CHANGELOG.md new file mode 100644 index 000000000..349245d03 --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/CHANGELOG.md @@ -0,0 +1,250 @@ +# Change Log + +All notable changes to this project will be documented in this file. +This project adheres to [Semantic Versioning](http://semver.org/). +This change log follows the advice of [Keep a CHANGELOG](https://github.com/olivierlacan/keep-a-changelog). + +## [Unreleased] + +## [3.0.0] - 2022-03-30 + +### Added + +- Rename, Mount and Unmount methods +- Parse more fields into Zpool type: + - dedupratio + - fragmentation + - freeing + - leaked + - readonly +- Parse more fields into Dataset type: + - referenced +- Incremental Send +- Parse numbers in exact format +- Support for Solaris (non-blockint, best-effort status) +- Debug logging for command invocation +- Use GitHub Actions for CI +- Nix shell for dev env reproducibility +- Direnv file for ease of dev +- Formatting/lint checks (enforced by CI) +- Go Module +- FreeBSD based vagrant machine + +### Changed + +- Temporarily adjust TestDiff expected strings depending on ZFS version +- Use one `zfs list`/`zpool list` call instead of many `zfs get`/`zpool get` +- ZFS docs links now point to OpenZFS pages +- Ubuntu vagrant box changed to generic/ubuntu2004 + +### Fixed + +- `GetProperty` returning `VALUE` instead of the actual value + +### Shortlog + + Amit Krishnan (1): + Issue #39 and Issue #40 - Enable Solaris support for go-zfs Switch from zfs/zpool get to zfs/zpool list for better performance Signed-off-by: Amit Krishnan <krish.amit@gmail.com> + + Anand Patil (3): + Added Rename + Small fix to rename. + Added mount and umount methods + + Brian Akins (1): + Add 'referenced' to zfs properties + + Brian Bickerton (3): + Add debug logging before and after running external zfs command + Don't export the default no-op logger + Update uuid package repo url + + Dmitry Teselkin (1): + Issue #52 - fix parseLine for fragmentation field + + Edward Betts (1): + correct spelling mistake + + Justin Cormack (1): + Switch to google/uuid which is the maintained version of pborman/uuid + + Manuel Mendez (40): + rename Umount -> Unmount to follow zfs command name + add missing Unmount/Mount docs + always allocate largest Mount slice + add travis config + travis: update to go 1.7 + travis: get go deps first + test: add nok helper to verify an error occurred + test: add test for Dataset.GetProperty + ci: swap #cerana on freenode for slack + ci: install new deps for 0.7 relases + ci: bump zol versions + ci: bump go versions + ci: use better gometalinter invocations + ci: add ccache + ci: set env earlier in before_install + fix test nok error printing + test: restructure TestDiff to deal with different order of changes + test: better unicode path handling in TestDiff + travis: bump zfs and go versions + cache zfs artifacts + Add nix-shell and direnv goodness + prettierify all the files + Add go based tools + Add Makefile and rules.mk files + gofumptize the code base + Use tinkerbell/lint-install to setup linters + make golangci-lint happy + Update CONTRIBUTING.md with make based approach + Add GitHub Actions + Drop Travis CI + One sentence per line + Update documentation links to openzfs-docs pages + Format Vagrantfile using rufo + Add go-zfs.test to .gitignore + test: Avoid reptitive/duplicate error logging and quitting + test: Use t.Logf instead of fmt.Printf + test: Better cleanup and error handling in zpoolTest + test: Do not mark TestDatasets as a t.Helper. + test: Change zpoolTest to a pure helper that returns a clean up function + test: Move helpers to a different file + vagrant: Add set -euxo pipefail to provision script + vagrant: Update to generic/ubuntu2004 + vagrant: Minor fixes to Vagrantfile + vagrant: Update to go 1.17.8 + vagrant: Run go tests as part of provision script + vagrant: Indent heredoc script + vagrant: Add freebsd machine + + Matt Layher (1): + Parse more fields into Zpool type + + Michael Crosby (1): + Add incremental send + + Rikard Gynnerstedt (1): + remove command name from joined args + + Sebastiaan van Stijn (1): + Add go.mod and rename to github.com/mistifyio/go-zfs/v3 (v3.0.0) + + mikudeko (1): + Fix GetProperty always returning 'VALUE' + +## [2.1.1] - 2015-05-29 + +### Fixed + +- Ignoring first pool listed +- Incorrect `zfs get` argument ordering + +### Shortlog + + Alexey Guskov (1): + zfs command uses different order of arguments on freebsd + + Brian Akins (4): + test that ListZpools returns expected zpool + test error first + test error first + fix test to check correct return value + + James Cunningham (1): + Fix Truncating First Zpool + + Pat Norton (2): + Added Use of Go Tools + Update CONTRIBUTING.md + +## [2.1.0] - 2014-12-08 + +### Added + +- Parse hardlink modification count returned from `zfs diff` + +### Fixed + +- Continuing instead of erroring when rolling back a non-snapshot + +### Shortlog + + Brian Akins (2): + need to return the error here + use named struct fields + + Jörg Thalheim (1): + zfs diff handle hardlinks modification now + +## [2.0.0] - 2014-12-02 + +### Added + +- Flags for Destroy: + - DESTROY_DEFAULT + - DESTROY_DEFER_DELETION (`zfs destroy ... -d`) + - DESTROY_FORCE (`zfs destroy ... -f`) + - DESTROY_RECURSIVE_CLONES (`zfs destroy ... -R`) + - DESTROY_RECURSIVE (`zfs destroy ... -r`) + - etc +- Diff method (`zfs diff`) +- LogicalUsed and Origin properties to Dataset +- Type constants for Dataset +- State constants for Zpool +- Logger interface +- Improve documentation + +### Shortlog + + Brian Akins (8): + remove reflection + style change for switches + need to check for error + keep in scope + go 1.3.3 + golint cleanup + Just test if logical used is greater than 0, as this appears to be implementation specific + add docs to satisfy golint + + Jörg Thalheim (8): + Add deferred flag to zfs.Destroy() + add Logicalused property + Add Origin property + gofmt + Add zfs.Diff + Add Logger + add recursive destroy with clones + use CamelCase-style constants + + Matt Layher (4): + Improve documentation, document common ZFS operations, provide more references + Add zpool state constants, for easier health checking + Add dataset type constants, for easier type checking + Fix string split in command.Run(), use strings.Fields() instead of strings.Split() + +## [1.0.0] - 2014-11-12 + +### Shortlog + + Brian Akins (7): + add godoc badge + Add example + add information about zpool to struct and parser + Add Quota + add Children call + add Children call + fix snapshot tests + + Brian Bickerton (3): + MIST-150 Change Snapshot second paramater from properties map[string][string] to recursive bool + MIST-150 Add Rollback method and related tests + MIST-160 Add SendSnapshot streaming method and tests + + Matt Layher (1): + Add Error struct type and tests, enabling easier error return checking + +[3.0.0]: https://github.com/mistifyio/go-zfs/compare/v2.1.1...v3.0.0 +[2.1.1]: https://github.com/mistifyio/go-zfs/compare/v2.1.0...v2.1.1 +[2.1.0]: https://github.com/mistifyio/go-zfs/compare/v2.0.0...v2.1.0 +[2.0.0]: https://github.com/mistifyio/go-zfs/compare/v1.0.0...v2.0.0 +[1.0.0]: https://github.com/mistifyio/go-zfs/compare/v0.0.0...v1.0.0 diff --git a/vendor/github.com/mistifyio/go-zfs/v3/CONTRIBUTING.md b/vendor/github.com/mistifyio/go-zfs/v3/CONTRIBUTING.md new file mode 100644 index 000000000..9f625d564 --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/CONTRIBUTING.md @@ -0,0 +1,64 @@ +## How to Contribute + +We always welcome contributions to help make `go-zfs` better. +Please take a moment to read this document if you would like to contribute. + +### Reporting issues + +We use [Github issues](https://github.com/mistifyio/go-zfs/issues) to track bug reports, feature requests, and submitting pull requests. + +If you find a bug: + +- Use the GitHub issue search to check whether the bug has already been reported. +- If the issue has been fixed, try to reproduce the issue using the latest `master` branch of the repository. +- If the issue still reproduces or has not yet been reported, try to isolate the problem before opening an issue, if possible. Also provide the steps taken to reproduce the bug. + +### Pull requests + +We welcome bug fixes, improvements, and new features. +Before embarking on making significant changes, please open an issue and ask first so that you do not risk duplicating efforts or spending time working on something that may be out of scope. +For minor items, just open a pull request. + +[Fork the project](https://help.github.com/articles/fork-a-repo), clone your fork, and add the upstream to your remote: + + $ git clone git@github.com:<your-username>/go-zfs.git + $ cd go-zfs + $ git remote add upstream https://github.com/mistifyio/go-zfs.git + +If you need to pull new changes committed upstream: + + $ git checkout master + $ git fetch upstream + $ git merge upstream/master + +Don' work directly on master as this makes it harder to merge later. +Create a feature branch for your fix or new feature: + + $ git checkout -b <feature-branch-name> + +Please try to commit your changes in logical chunks. +Ideally, you should include the issue number in the commit message. + + $ git commit -m "Issue #<issue-number> - <commit-message>" + +Push your feature branch to your fork. + + $ git push origin <feature-branch-name> + +[Open a Pull Request](https://help.github.com/articles/using-pull-requests) against the upstream master branch. +Please give your pull request a clear title and description and note which issue(s) your pull request fixes. + +- All linters should be happy (can be run with `make verify`). +- Every exported function should have [documentation](http://blog.golang.org/godoc-documenting-go-code) and corresponding [tests](http://golang.org/doc/code.html#Testing). + +**Important:** By submitting a patch, you agree to allow the project owners to license your work under the [Apache 2.0 License](./LICENSE). + +### Go Tools + +For consistency and to catch minor issues for all of go code, please run `make verify`. + +Many editors can execute the above on save. + +--- + +Guidelines based on http://azkaban.github.io/contributing.html diff --git a/vendor/github.com/mistifyio/go-zfs/v3/LICENSE b/vendor/github.com/mistifyio/go-zfs/v3/LICENSE new file mode 100644 index 000000000..f4c265cfe --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/LICENSE @@ -0,0 +1,201 @@ +Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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\ No newline at end of file diff --git a/vendor/github.com/mistifyio/go-zfs/v3/Makefile b/vendor/github.com/mistifyio/go-zfs/v3/Makefile new file mode 100644 index 000000000..1c5f55e8c --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/Makefile @@ -0,0 +1,19 @@ +help: ## Print this help + @grep --no-filename -E '^[a-zA-Z0-9_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sed 's/:.*## /·/' | sort | column -t -W 2 -s '·' -c $(shell tput cols) + +all: test ## Run tests + +-include rules.mk +-include lint.mk + +test: ## Run tests + go test ./... + +verify: gofumpt prettier lint ## Verify code style, is lint free, freshness ... + git diff | (! grep .) + +fix: gofumpt-fix prettier-fix ## Fix code formatting errors + +tools: ${toolsBins} ## Build Go based build tools + +.PHONY: all help test tools verify diff --git a/vendor/github.com/mistifyio/go-zfs/v3/README.md b/vendor/github.com/mistifyio/go-zfs/v3/README.md new file mode 100644 index 000000000..c91183300 --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/README.md @@ -0,0 +1,53 @@ +# Go Wrapper for ZFS + +Simple wrappers for ZFS command line tools. + +[![GoDoc](https://godoc.org/github.com/mistifyio/go-zfs?status.svg)](https://godoc.org/github.com/mistifyio/go-zfs) + +## Requirements + +You need a working ZFS setup. To use on Ubuntu 14.04, setup ZFS: + + sudo apt-get install python-software-properties + sudo apt-add-repository ppa:zfs-native/stable + sudo apt-get update + sudo apt-get install ubuntu-zfs libzfs-dev + +Developed using Go 1.3, but currently there isn't anything 1.3 specific. Don't use Ubuntu packages for Go, use http://golang.org/doc/install + +Generally you need root privileges to use anything zfs related. + +## Status + +This has been only been tested on Ubuntu 14.04 + +In the future, we hope to work directly with libzfs. + +# Hacking + +The tests have decent examples for most functions. + +```go +//assuming a zpool named test +//error handling omitted + + +f, err := zfs.CreateFilesystem("test/snapshot-test", nil) +ok(t, err) + +s, err := f.Snapshot("test", nil) +ok(t, err) + +// snapshot is named "test/snapshot-test@test" + +c, err := s.Clone("test/clone-test", nil) + +err := c.Destroy() +err := s.Destroy() +err := f.Destroy() + +``` + +# Contributing + +See the [contributing guidelines](./CONTRIBUTING.md) diff --git a/vendor/github.com/mistifyio/go-zfs/v3/Vagrantfile b/vendor/github.com/mistifyio/go-zfs/v3/Vagrantfile new file mode 100644 index 000000000..7d8d2decd --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/Vagrantfile @@ -0,0 +1,33 @@ +GOVERSION = "1.17.8" + +Vagrant.configure("2") do |config| + config.vm.define "ubuntu" do |ubuntu| + ubuntu.vm.box = "generic/ubuntu2004" + end + config.vm.define "freebsd" do |freebsd| + freebsd.vm.box = "generic/freebsd13" + end + config.ssh.forward_agent = true + config.vm.synced_folder ".", "/home/vagrant/go/src/github.com/mistifyio/go-zfs", create: true + config.vm.provision "shell", inline: <<-EOF + set -euxo pipefail + + os=$(uname -s|tr '[A-Z]' '[a-z]') + case $os in + linux) apt-get update -y && apt-get install -y --no-install-recommends gcc libc-dev zfsutils-linux ;; + esac + + cd /tmp + curl -fLO --retry-max-time 30 --retry 10 https://go.dev/dl/go#{GOVERSION}.$os-amd64.tar.gz + tar -C /usr/local -zxf go#{GOVERSION}.$os-amd64.tar.gz + ln -nsf /usr/local/go/bin/go /usr/local/bin/go + rm -rf go*.tar.gz + + chown -R vagrant:vagrant /home/vagrant/go + cd /home/vagrant/go/src/github.com/mistifyio/go-zfs + go test -c + sudo ./go-zfs.test -test.v + CGO_ENABLED=0 go test -c + sudo ./go-zfs.test -test.v + EOF +end diff --git a/vendor/github.com/mistifyio/go-zfs/v3/error.go b/vendor/github.com/mistifyio/go-zfs/v3/error.go new file mode 100644 index 000000000..5408ccdb5 --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/error.go @@ -0,0 +1,18 @@ +package zfs + +import ( + "fmt" +) + +// Error is an error which is returned when the `zfs` or `zpool` shell +// commands return with a non-zero exit code. +type Error struct { + Err error + Debug string + Stderr string +} + +// Error returns the string representation of an Error. +func (e Error) Error() string { + return fmt.Sprintf("%s: %q => %s", e.Err, e.Debug, e.Stderr) +} diff --git a/vendor/github.com/mistifyio/go-zfs/v3/lint.mk b/vendor/github.com/mistifyio/go-zfs/v3/lint.mk new file mode 100644 index 000000000..a1e0a4fd3 --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/lint.mk @@ -0,0 +1,75 @@ +# BEGIN: lint-install -makefile lint.mk . +# http://github.com/tinkerbell/lint-install + +.PHONY: lint +lint: _lint + +LINT_ARCH := $(shell uname -m) +LINT_OS := $(shell uname) +LINT_OS_LOWER := $(shell echo $(LINT_OS) | tr '[:upper:]' '[:lower:]') +LINT_ROOT := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST)))) + +# shellcheck and hadolint lack arm64 native binaries: rely on x86-64 emulation +ifeq ($(LINT_OS),Darwin) + ifeq ($(LINT_ARCH),arm64) + LINT_ARCH=x86_64 + endif +endif + +LINTERS := +FIXERS := + +SHELLCHECK_VERSION ?= v0.8.0 +SHELLCHECK_BIN := out/linters/shellcheck-$(SHELLCHECK_VERSION)-$(LINT_ARCH) +$(SHELLCHECK_BIN): + mkdir -p out/linters + rm -rf out/linters/shellcheck-* + curl -sSfL https://github.com/koalaman/shellcheck/releases/download/$(SHELLCHECK_VERSION)/shellcheck-$(SHELLCHECK_VERSION).$(LINT_OS_LOWER).$(LINT_ARCH).tar.xz | tar -C out/linters -xJf - + mv out/linters/shellcheck-$(SHELLCHECK_VERSION)/shellcheck $@ + rm -rf out/linters/shellcheck-$(SHELLCHECK_VERSION)/shellcheck + +LINTERS += shellcheck-lint +shellcheck-lint: $(SHELLCHECK_BIN) + $(SHELLCHECK_BIN) $(shell find . -name "*.sh") + +FIXERS += shellcheck-fix +shellcheck-fix: $(SHELLCHECK_BIN) + $(SHELLCHECK_BIN) $(shell find . -name "*.sh") -f diff | { read -t 1 line || exit 0; { echo "$$line" && cat; } | git apply -p2; } + +GOLANGCI_LINT_CONFIG := $(LINT_ROOT)/.golangci.yml +GOLANGCI_LINT_VERSION ?= v1.43.0 +GOLANGCI_LINT_BIN := out/linters/golangci-lint-$(GOLANGCI_LINT_VERSION)-$(LINT_ARCH) +$(GOLANGCI_LINT_BIN): + mkdir -p out/linters + rm -rf out/linters/golangci-lint-* + curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b out/linters $(GOLANGCI_LINT_VERSION) + mv out/linters/golangci-lint $@ + +LINTERS += golangci-lint-lint +golangci-lint-lint: $(GOLANGCI_LINT_BIN) + find . -name go.mod -execdir "$(GOLANGCI_LINT_BIN)" run -c "$(GOLINT_CONFIG)" \; + +FIXERS += golangci-lint-fix +golangci-lint-fix: $(GOLANGCI_LINT_BIN) + find . -name go.mod -execdir "$(GOLANGCI_LINT_BIN)" run -c "$(GOLINT_CONFIG)" --fix \; + +YAMLLINT_VERSION ?= 1.26.3 +YAMLLINT_ROOT := out/linters/yamllint-$(YAMLLINT_VERSION) +YAMLLINT_BIN := $(YAMLLINT_ROOT)/dist/bin/yamllint +$(YAMLLINT_BIN): + mkdir -p out/linters + rm -rf out/linters/yamllint-* + curl -sSfL https://github.com/adrienverge/yamllint/archive/refs/tags/v$(YAMLLINT_VERSION).tar.gz | tar -C out/linters -zxf - + cd $(YAMLLINT_ROOT) && pip3 install --target dist . + +LINTERS += yamllint-lint +yamllint-lint: $(YAMLLINT_BIN) + PYTHONPATH=$(YAMLLINT_ROOT)/dist $(YAMLLINT_ROOT)/dist/bin/yamllint . + +.PHONY: _lint $(LINTERS) +_lint: $(LINTERS) + +.PHONY: fix $(FIXERS) +fix: $(FIXERS) + +# END: lint-install -makefile lint.mk . diff --git a/vendor/github.com/mistifyio/go-zfs/v3/rules.mk b/vendor/github.com/mistifyio/go-zfs/v3/rules.mk new file mode 100644 index 000000000..4746c978a --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/rules.mk @@ -0,0 +1,49 @@ +# Only use the recipes defined in these makefiles +MAKEFLAGS += --no-builtin-rules +.SUFFIXES: +# Delete target files if there's an error +# This avoids a failure to then skip building on next run if the output is created by shell redirection for example +# Not really necessary for now, but just good to have already if it becomes necessary later. +.DELETE_ON_ERROR: +# Treat the whole recipe as a one shell script/invocation instead of one-per-line +.ONESHELL: +# Use bash instead of plain sh +SHELL := bash +.SHELLFLAGS := -o pipefail -euc + +version := $(shell git rev-parse --short HEAD) +tag := $(shell git tag --points-at HEAD) +ifneq (,$(tag)) +version := $(tag)-$(version) +endif +LDFLAGS := -ldflags "-X main.version=$(version)" +export CGO_ENABLED := 0 + +ifeq ($(origin GOBIN), undefined) +GOBIN := ${PWD}/bin +export GOBIN +PATH := ${GOBIN}:${PATH} +export PATH +endif + +toolsBins := $(addprefix bin/,$(notdir $(shell grep '^\s*_' tooling/tools.go | awk -F'"' '{print $$2}'))) + +# installs cli tools defined in tools.go +$(toolsBins): tooling/go.mod tooling/go.sum tooling/tools.go +$(toolsBins): CMD=$(shell awk -F'"' '/$(@F)"/ {print $$2}' tooling/tools.go) +$(toolsBins): + cd tooling && go install $(CMD) + +.PHONY: gofumpt +gofumpt: bin/gofumpt + gofumpt -s -d . + +gofumpt-fix: bin/gofumpt + gofumpt -s -w . + +.PHONY: prettier prettier-fix +prettier: + prettier --list-different --ignore-path .gitignore . + +prettier-fix: + prettier --write --ignore-path .gitignore . diff --git a/vendor/github.com/mistifyio/go-zfs/v3/shell.nix b/vendor/github.com/mistifyio/go-zfs/v3/shell.nix new file mode 100644 index 000000000..e0ea24c16 --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/shell.nix @@ -0,0 +1,26 @@ +let _pkgs = import <nixpkgs> { }; +in { pkgs ? import (_pkgs.fetchFromGitHub { + owner = "NixOS"; + repo = "nixpkgs"; + #branch@date: 21.11@2022-02-13 + rev = "560ad8a2f89586ab1a14290f128ad6a393046065"; + sha256 = "0s0dv1clfpjyzy4p6ywxvzmwx9ddbr2yl77jf1wqdbr0x1206hb8"; +}) { } }: + +with pkgs; + +mkShell { + buildInputs = [ + git + gnumake + gnused + go + nixfmt + nodePackages.prettier + python3Packages.pip + python3Packages.setuptools + rufo + shfmt + vagrant + ]; +} diff --git a/vendor/github.com/mistifyio/go-zfs/v3/utils.go b/vendor/github.com/mistifyio/go-zfs/v3/utils.go new file mode 100644 index 000000000..0c2cce7d9 --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/utils.go @@ -0,0 +1,354 @@ +package zfs + +import ( + "bytes" + "errors" + "fmt" + "io" + "os/exec" + "regexp" + "runtime" + "strconv" + "strings" + + "github.com/google/uuid" +) + +type command struct { + Command string + Stdin io.Reader + Stdout io.Writer +} + +func (c *command) Run(arg ...string) ([][]string, error) { + cmd := exec.Command(c.Command, arg...) + + var stdout, stderr bytes.Buffer + + if c.Stdout == nil { + cmd.Stdout = &stdout + } else { + cmd.Stdout = c.Stdout + } + + if c.Stdin != nil { + cmd.Stdin = c.Stdin + } + cmd.Stderr = &stderr + + id := uuid.New().String() + joinedArgs := strings.Join(cmd.Args, " ") + + logger.Log([]string{"ID:" + id, "START", joinedArgs}) + if err := cmd.Run(); err != nil { + return nil, &Error{ + Err: err, + Debug: strings.Join([]string{cmd.Path, joinedArgs[1:]}, " "), + Stderr: stderr.String(), + } + } + logger.Log([]string{"ID:" + id, "FINISH"}) + + // assume if you passed in something for stdout, that you know what to do with it + if c.Stdout != nil { + return nil, nil + } + + lines := strings.Split(stdout.String(), "\n") + + // last line is always blank + lines = lines[0 : len(lines)-1] + output := make([][]string, len(lines)) + + for i, l := range lines { + output[i] = strings.Fields(l) + } + + return output, nil +} + +func setString(field *string, value string) { + v := "" + if value != "-" { + v = value + } + *field = v +} + +func setUint(field *uint64, value string) error { + var v uint64 + if value != "-" { + var err error + v, err = strconv.ParseUint(value, 10, 64) + if err != nil { + return err + } + } + *field = v + return nil +} + +func (d *Dataset) parseLine(line []string) error { + var err error + + if len(line) != len(dsPropList) { + return errors.New("output does not match what is expected on this platform") + } + setString(&d.Name, line[0]) + setString(&d.Origin, line[1]) + + if err = setUint(&d.Used, line[2]); err != nil { + return err + } + if err = setUint(&d.Avail, line[3]); err != nil { + return err + } + + setString(&d.Mountpoint, line[4]) + setString(&d.Compression, line[5]) + setString(&d.Type, line[6]) + + if err = setUint(&d.Volsize, line[7]); err != nil { + return err + } + if err = setUint(&d.Quota, line[8]); err != nil { + return err + } + if err = setUint(&d.Referenced, line[9]); err != nil { + return err + } + + if runtime.GOOS == "solaris" { + return nil + } + + if err = setUint(&d.Written, line[10]); err != nil { + return err + } + if err = setUint(&d.Logicalused, line[11]); err != nil { + return err + } + return setUint(&d.Usedbydataset, line[12]) +} + +/* + * from zfs diff`s escape function: + * + * Prints a file name out a character at a time. If the character is + * not in the range of what we consider "printable" ASCII, display it + * as an escaped 3-digit octal value. ASCII values less than a space + * are all control characters and we declare the upper end as the + * DELete character. This also is the last 7-bit ASCII character. + * We choose to treat all 8-bit ASCII as not printable for this + * application. + */ +func unescapeFilepath(path string) (string, error) { + buf := make([]byte, 0, len(path)) + llen := len(path) + for i := 0; i < llen; { + if path[i] == '\\' { + if llen < i+4 { + return "", fmt.Errorf("invalid octal code: too short") + } + octalCode := path[(i + 1):(i + 4)] + val, err := strconv.ParseUint(octalCode, 8, 8) + if err != nil { + return "", fmt.Errorf("invalid octal code: %w", err) + } + buf = append(buf, byte(val)) + i += 4 + } else { + buf = append(buf, path[i]) + i++ + } + } + return string(buf), nil +} + +var changeTypeMap = map[string]ChangeType{ + "-": Removed, + "+": Created, + "M": Modified, + "R": Renamed, +} + +var inodeTypeMap = map[string]InodeType{ + "B": BlockDevice, + "C": CharacterDevice, + "/": Directory, + ">": Door, + "|": NamedPipe, + "@": SymbolicLink, + "P": EventPort, + "=": Socket, + "F": File, +} + +// matches (+1) or (-1). +var referenceCountRegex = regexp.MustCompile(`\(([+-]\d+?)\)`) + +func parseReferenceCount(field string) (int, error) { + matches := referenceCountRegex.FindStringSubmatch(field) + if matches == nil { + return 0, fmt.Errorf("regexp does not match") + } + return strconv.Atoi(matches[1]) +} + +func parseInodeChange(line []string) (*InodeChange, error) { + llen := len(line) // nolint:ifshort // llen *is* actually used + if llen < 1 { + return nil, fmt.Errorf("empty line passed") + } + + changeType := changeTypeMap[line[0]] + if changeType == 0 { + return nil, fmt.Errorf("unknown change type '%s'", line[0]) + } + + switch changeType { + case Renamed: + if llen != 4 { + return nil, fmt.Errorf("mismatching number of fields: expect 4, got: %d", llen) + } + case Modified: + if llen != 4 && llen != 3 { + return nil, fmt.Errorf("mismatching number of fields: expect 3..4, got: %d", llen) + } + default: + if llen != 3 { + return nil, fmt.Errorf("mismatching number of fields: expect 3, got: %d", llen) + } + } + + inodeType := inodeTypeMap[line[1]] + if inodeType == 0 { + return nil, fmt.Errorf("unknown inode type '%s'", line[1]) + } + + path, err := unescapeFilepath(line[2]) + if err != nil { + return nil, fmt.Errorf("failed to parse filename: %w", err) + } + + var newPath string + var referenceCount int + switch changeType { + case Renamed: + newPath, err = unescapeFilepath(line[3]) + if err != nil { + return nil, fmt.Errorf("failed to parse filename: %w", err) + } + case Modified: + if llen == 4 { + referenceCount, err = parseReferenceCount(line[3]) + if err != nil { + return nil, fmt.Errorf("failed to parse reference count: %w", err) + } + } + default: + newPath = "" + } + + return &InodeChange{ + Change: changeType, + Type: inodeType, + Path: path, + NewPath: newPath, + ReferenceCountChange: referenceCount, + }, nil +} + +// example input for parseInodeChanges +// M / /testpool/bar/ +// + F /testpool/bar/hello.txt +// M / /testpool/bar/hello.txt (+1) +// M / /testpool/bar/hello-hardlink + +func parseInodeChanges(lines [][]string) ([]*InodeChange, error) { + changes := make([]*InodeChange, len(lines)) + + for i, line := range lines { + c, err := parseInodeChange(line) + if err != nil { + return nil, fmt.Errorf("failed to parse line %d of zfs diff: %w, got: '%s'", i, err, line) + } + changes[i] = c + } + return changes, nil +} + +func listByType(t, filter string) ([]*Dataset, error) { + args := []string{"list", "-rHp", "-t", t, "-o", dsPropListOptions} + + if filter != "" { + args = append(args, filter) + } + out, err := zfsOutput(args...) + if err != nil { + return nil, err + } + + var datasets []*Dataset + + name := "" + var ds *Dataset + for _, line := range out { + if name != line[0] { + name = line[0] + ds = &Dataset{Name: name} + datasets = append(datasets, ds) + } + if err := ds.parseLine(line); err != nil { + return nil, err + } + } + + return datasets, nil +} + +func propsSlice(properties map[string]string) []string { + args := make([]string, 0, len(properties)*3) + for k, v := range properties { + args = append(args, "-o") + args = append(args, fmt.Sprintf("%s=%s", k, v)) + } + return args +} + +func (z *Zpool) parseLine(line []string) error { + prop := line[1] + val := line[2] + + var err error + + switch prop { + case "name": + setString(&z.Name, val) + case "health": + setString(&z.Health, val) + case "allocated": + err = setUint(&z.Allocated, val) + case "size": + err = setUint(&z.Size, val) + case "free": + err = setUint(&z.Free, val) + case "fragmentation": + // Trim trailing "%" before parsing uint + i := strings.Index(val, "%") + if i < 0 { + i = len(val) + } + err = setUint(&z.Fragmentation, val[:i]) + case "readonly": + z.ReadOnly = val == "on" + case "freeing": + err = setUint(&z.Freeing, val) + case "leaked": + err = setUint(&z.Leaked, val) + case "dedupratio": + // Trim trailing "x" before parsing float64 + z.DedupRatio, err = strconv.ParseFloat(val[:len(val)-1], 64) + } + return err +} diff --git a/vendor/github.com/mistifyio/go-zfs/v3/utils_notsolaris.go b/vendor/github.com/mistifyio/go-zfs/v3/utils_notsolaris.go new file mode 100644 index 000000000..ef1beac90 --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/utils_notsolaris.go @@ -0,0 +1,19 @@ +//go:build !solaris +// +build !solaris + +package zfs + +import "strings" + +var ( + // List of ZFS properties to retrieve from zfs list command on a non-Solaris platform. + dsPropList = []string{"name", "origin", "used", "available", "mountpoint", "compression", "type", "volsize", "quota", "referenced", "written", "logicalused", "usedbydataset"} + + dsPropListOptions = strings.Join(dsPropList, ",") + + // List of Zpool properties to retrieve from zpool list command on a non-Solaris platform. + zpoolPropList = []string{"name", "health", "allocated", "size", "free", "readonly", "dedupratio", "fragmentation", "freeing", "leaked"} + + zpoolPropListOptions = strings.Join(zpoolPropList, ",") + zpoolArgs = []string{"get", "-p", zpoolPropListOptions} +) diff --git a/vendor/github.com/mistifyio/go-zfs/v3/utils_solaris.go b/vendor/github.com/mistifyio/go-zfs/v3/utils_solaris.go new file mode 100644 index 000000000..c6bf6d87a --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/utils_solaris.go @@ -0,0 +1,19 @@ +//go:build solaris +// +build solaris + +package zfs + +import "strings" + +var ( + // List of ZFS properties to retrieve from zfs list command on a Solaris platform + dsPropList = []string{"name", "origin", "used", "available", "mountpoint", "compression", "type", "volsize", "quota", "referenced"} + + dsPropListOptions = strings.Join(dsPropList, ",") + + // List of Zpool properties to retrieve from zpool list command on a non-Solaris platform + zpoolPropList = []string{"name", "health", "allocated", "size", "free", "readonly", "dedupratio"} + + zpoolPropListOptions = strings.Join(zpoolPropList, ",") + zpoolArgs = []string{"get", "-p", zpoolPropListOptions} +) diff --git a/vendor/github.com/mistifyio/go-zfs/v3/zfs.go b/vendor/github.com/mistifyio/go-zfs/v3/zfs.go new file mode 100644 index 000000000..1166bdc21 --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/zfs.go @@ -0,0 +1,449 @@ +// Package zfs provides wrappers around the ZFS command line tools. +package zfs + +import ( + "errors" + "fmt" + "io" + "strconv" + "strings" +) + +// ZFS dataset types, which can indicate if a dataset is a filesystem, snapshot, or volume. +const ( + DatasetFilesystem = "filesystem" + DatasetSnapshot = "snapshot" + DatasetVolume = "volume" +) + +// Dataset is a ZFS dataset. A dataset could be a clone, filesystem, snapshot, or volume. +// The Type struct member can be used to determine a dataset's type. +// +// The field definitions can be found in the ZFS manual: +// https://openzfs.github.io/openzfs-docs/man/7/zfsprops.7.html. +type Dataset struct { + Name string + Origin string + Used uint64 + Avail uint64 + Mountpoint string + Compression string + Type string + Written uint64 + Volsize uint64 + Logicalused uint64 + Usedbydataset uint64 + Quota uint64 + Referenced uint64 +} + +// InodeType is the type of inode as reported by Diff. +type InodeType int + +// Types of Inodes. +const ( + _ = iota // 0 == unknown type + BlockDevice InodeType = iota + CharacterDevice + Directory + Door + NamedPipe + SymbolicLink + EventPort + Socket + File +) + +// ChangeType is the type of inode change as reported by Diff. +type ChangeType int + +// Types of Changes. +const ( + _ = iota // 0 == unknown type + Removed ChangeType = iota + Created + Modified + Renamed +) + +// DestroyFlag is the options flag passed to Destroy. +type DestroyFlag int + +// Valid destroy options. +const ( + DestroyDefault DestroyFlag = 1 << iota + DestroyRecursive = 1 << iota + DestroyRecursiveClones = 1 << iota + DestroyDeferDeletion = 1 << iota + DestroyForceUmount = 1 << iota +) + +// InodeChange represents a change as reported by Diff. +type InodeChange struct { + Change ChangeType + Type InodeType + Path string + NewPath string + ReferenceCountChange int +} + +// Logger can be used to log commands/actions. +type Logger interface { + Log(cmd []string) +} + +type defaultLogger struct{} + +func (*defaultLogger) Log([]string) { +} + +var logger Logger = &defaultLogger{} + +// SetLogger set a log handler to log all commands including arguments before they are executed. +func SetLogger(l Logger) { + if l != nil { + logger = l + } +} + +// zfs is a helper function to wrap typical calls to zfs that ignores stdout. +func zfs(arg ...string) error { + _, err := zfsOutput(arg...) + return err +} + +// zfs is a helper function to wrap typical calls to zfs. +func zfsOutput(arg ...string) ([][]string, error) { + c := command{Command: "zfs"} + return c.Run(arg...) +} + +// Datasets returns a slice of ZFS datasets, regardless of type. +// A filter argument may be passed to select a dataset with the matching name, or empty string ("") may be used to select all datasets. +func Datasets(filter string) ([]*Dataset, error) { + return listByType("all", filter) +} + +// Snapshots returns a slice of ZFS snapshots. +// A filter argument may be passed to select a snapshot with the matching name, or empty string ("") may be used to select all snapshots. +func Snapshots(filter string) ([]*Dataset, error) { + return listByType(DatasetSnapshot, filter) +} + +// Filesystems returns a slice of ZFS filesystems. +// A filter argument may be passed to select a filesystem with the matching name, or empty string ("") may be used to select all filesystems. +func Filesystems(filter string) ([]*Dataset, error) { + return listByType(DatasetFilesystem, filter) +} + +// Volumes returns a slice of ZFS volumes. +// A filter argument may be passed to select a volume with the matching name, or empty string ("") may be used to select all volumes. +func Volumes(filter string) ([]*Dataset, error) { + return listByType(DatasetVolume, filter) +} + +// GetDataset retrieves a single ZFS dataset by name. +// This dataset could be any valid ZFS dataset type, such as a clone, filesystem, snapshot, or volume. +func GetDataset(name string) (*Dataset, error) { + out, err := zfsOutput("list", "-Hp", "-o", dsPropListOptions, name) + if err != nil { + return nil, err + } + + ds := &Dataset{Name: name} + for _, line := range out { + if err := ds.parseLine(line); err != nil { + return nil, err + } + } + + return ds, nil +} + +// Clone clones a ZFS snapshot and returns a clone dataset. +// An error will be returned if the input dataset is not of snapshot type. +func (d *Dataset) Clone(dest string, properties map[string]string) (*Dataset, error) { + if d.Type != DatasetSnapshot { + return nil, errors.New("can only clone snapshots") + } + args := make([]string, 2, 4) + args[0] = "clone" + args[1] = "-p" + if properties != nil { + args = append(args, propsSlice(properties)...) + } + args = append(args, []string{d.Name, dest}...) + if err := zfs(args...); err != nil { + return nil, err + } + return GetDataset(dest) +} + +// Unmount unmounts currently mounted ZFS file systems. +func (d *Dataset) Unmount(force bool) (*Dataset, error) { + if d.Type == DatasetSnapshot { + return nil, errors.New("cannot unmount snapshots") + } + args := make([]string, 1, 3) + args[0] = "umount" + if force { + args = append(args, "-f") + } + args = append(args, d.Name) + if err := zfs(args...); err != nil { + return nil, err + } + return GetDataset(d.Name) +} + +// Mount mounts ZFS file systems. +func (d *Dataset) Mount(overlay bool, options []string) (*Dataset, error) { + if d.Type == DatasetSnapshot { + return nil, errors.New("cannot mount snapshots") + } + args := make([]string, 1, 5) + args[0] = "mount" + if overlay { + args = append(args, "-O") + } + if options != nil { + args = append(args, "-o") + args = append(args, strings.Join(options, ",")) + } + args = append(args, d.Name) + if err := zfs(args...); err != nil { + return nil, err + } + return GetDataset(d.Name) +} + +// ReceiveSnapshot receives a ZFS stream from the input io.Reader. +// A new snapshot is created with the specified name, and streams the input data into the newly-created snapshot. +func ReceiveSnapshot(input io.Reader, name string) (*Dataset, error) { + c := command{Command: "zfs", Stdin: input} + if _, err := c.Run("receive", name); err != nil { + return nil, err + } + return GetDataset(name) +} + +// SendSnapshot sends a ZFS stream of a snapshot to the input io.Writer. +// An error will be returned if the input dataset is not of snapshot type. +func (d *Dataset) SendSnapshot(output io.Writer) error { + if d.Type != DatasetSnapshot { + return errors.New("can only send snapshots") + } + + c := command{Command: "zfs", Stdout: output} + _, err := c.Run("send", d.Name) + return err +} + +// IncrementalSend sends a ZFS stream of a snapshot to the input io.Writer using the baseSnapshot as the starting point. +// An error will be returned if the input dataset is not of snapshot type. +func (d *Dataset) IncrementalSend(baseSnapshot *Dataset, output io.Writer) error { + if d.Type != DatasetSnapshot || baseSnapshot.Type != DatasetSnapshot { + return errors.New("can only send snapshots") + } + c := command{Command: "zfs", Stdout: output} + _, err := c.Run("send", "-i", baseSnapshot.Name, d.Name) + return err +} + +// CreateVolume creates a new ZFS volume with the specified name, size, and properties. +// +// A full list of available ZFS properties may be found in the ZFS manual: +// https://openzfs.github.io/openzfs-docs/man/7/zfsprops.7.html. +func CreateVolume(name string, size uint64, properties map[string]string) (*Dataset, error) { + args := make([]string, 4, 5) + args[0] = "create" + args[1] = "-p" + args[2] = "-V" + args[3] = strconv.FormatUint(size, 10) + if properties != nil { + args = append(args, propsSlice(properties)...) + } + args = append(args, name) + if err := zfs(args...); err != nil { + return nil, err + } + return GetDataset(name) +} + +// Destroy destroys a ZFS dataset. +// If the destroy bit flag is set, any descendents of the dataset will be recursively destroyed, including snapshots. +// If the deferred bit flag is set, the snapshot is marked for deferred deletion. +func (d *Dataset) Destroy(flags DestroyFlag) error { + args := make([]string, 1, 3) + args[0] = "destroy" + if flags&DestroyRecursive != 0 { + args = append(args, "-r") + } + + if flags&DestroyRecursiveClones != 0 { + args = append(args, "-R") + } + + if flags&DestroyDeferDeletion != 0 { + args = append(args, "-d") + } + + if flags&DestroyForceUmount != 0 { + args = append(args, "-f") + } + + args = append(args, d.Name) + err := zfs(args...) + return err +} + +// SetProperty sets a ZFS property on the receiving dataset. +// +// A full list of available ZFS properties may be found in the ZFS manual: +// https://openzfs.github.io/openzfs-docs/man/7/zfsprops.7.html. +func (d *Dataset) SetProperty(key, val string) error { + prop := strings.Join([]string{key, val}, "=") + err := zfs("set", prop, d.Name) + return err +} + +// GetProperty returns the current value of a ZFS property from the receiving dataset. +// +// A full list of available ZFS properties may be found in the ZFS manual: +// https://openzfs.github.io/openzfs-docs/man/7/zfsprops.7.html. +func (d *Dataset) GetProperty(key string) (string, error) { + out, err := zfsOutput("get", "-H", key, d.Name) + if err != nil { + return "", err + } + + return out[0][2], nil +} + +// Rename renames a dataset. +func (d *Dataset) Rename(name string, createParent, recursiveRenameSnapshots bool) (*Dataset, error) { + args := make([]string, 3, 5) + args[0] = "rename" + args[1] = d.Name + args[2] = name + if createParent { + args = append(args, "-p") + } + if recursiveRenameSnapshots { + args = append(args, "-r") + } + if err := zfs(args...); err != nil { + return d, err + } + + return GetDataset(name) +} + +// Snapshots returns a slice of all ZFS snapshots of a given dataset. +func (d *Dataset) Snapshots() ([]*Dataset, error) { + return Snapshots(d.Name) +} + +// CreateFilesystem creates a new ZFS filesystem with the specified name and properties. +// +// A full list of available ZFS properties may be found in the ZFS manual: +// https://openzfs.github.io/openzfs-docs/man/7/zfsprops.7.html. +func CreateFilesystem(name string, properties map[string]string) (*Dataset, error) { + args := make([]string, 1, 4) + args[0] = "create" + + if properties != nil { + args = append(args, propsSlice(properties)...) + } + + args = append(args, name) + if err := zfs(args...); err != nil { + return nil, err + } + return GetDataset(name) +} + +// Snapshot creates a new ZFS snapshot of the receiving dataset, using the specified name. +// Optionally, the snapshot can be taken recursively, creating snapshots of all descendent filesystems in a single, atomic operation. +func (d *Dataset) Snapshot(name string, recursive bool) (*Dataset, error) { + args := make([]string, 1, 4) + args[0] = "snapshot" + if recursive { + args = append(args, "-r") + } + snapName := fmt.Sprintf("%s@%s", d.Name, name) + args = append(args, snapName) + if err := zfs(args...); err != nil { + return nil, err + } + return GetDataset(snapName) +} + +// Rollback rolls back the receiving ZFS dataset to a previous snapshot. +// Optionally, intermediate snapshots can be destroyed. +// A ZFS snapshot rollback cannot be completed without this option, if more recent snapshots exist. +// An error will be returned if the input dataset is not of snapshot type. +func (d *Dataset) Rollback(destroyMoreRecent bool) error { + if d.Type != DatasetSnapshot { + return errors.New("can only rollback snapshots") + } + + args := make([]string, 1, 3) + args[0] = "rollback" + if destroyMoreRecent { + args = append(args, "-r") + } + args = append(args, d.Name) + + err := zfs(args...) + return err +} + +// Children returns a slice of children of the receiving ZFS dataset. +// A recursion depth may be specified, or a depth of 0 allows unlimited recursion. +func (d *Dataset) Children(depth uint64) ([]*Dataset, error) { + args := []string{"list"} + if depth > 0 { + args = append(args, "-d") + args = append(args, strconv.FormatUint(depth, 10)) + } else { + args = append(args, "-r") + } + args = append(args, "-t", "all", "-Hp", "-o", dsPropListOptions) + args = append(args, d.Name) + + out, err := zfsOutput(args...) + if err != nil { + return nil, err + } + + var datasets []*Dataset + name := "" + var ds *Dataset + for _, line := range out { + if name != line[0] { + name = line[0] + ds = &Dataset{Name: name} + datasets = append(datasets, ds) + } + if err := ds.parseLine(line); err != nil { + return nil, err + } + } + return datasets[1:], nil +} + +// Diff returns changes between a snapshot and the given ZFS dataset. +// The snapshot name must include the filesystem part as it is possible to compare clones with their origin snapshots. +func (d *Dataset) Diff(snapshot string) ([]*InodeChange, error) { + args := []string{"diff", "-FH", snapshot, d.Name} + out, err := zfsOutput(args...) + if err != nil { + return nil, err + } + inodeChanges, err := parseInodeChanges(out) + if err != nil { + return nil, err + } + return inodeChanges, nil +} diff --git a/vendor/github.com/mistifyio/go-zfs/v3/zpool.go b/vendor/github.com/mistifyio/go-zfs/v3/zpool.go new file mode 100644 index 000000000..2f7071305 --- /dev/null +++ b/vendor/github.com/mistifyio/go-zfs/v3/zpool.go @@ -0,0 +1,119 @@ +package zfs + +// ZFS zpool states, which can indicate if a pool is online, offline, degraded, etc. +// +// More information regarding zpool states can be found in the ZFS manual: +// https://openzfs.github.io/openzfs-docs/man/7/zpoolconcepts.7.html#Device_Failure_and_Recovery +const ( + ZpoolOnline = "ONLINE" + ZpoolDegraded = "DEGRADED" + ZpoolFaulted = "FAULTED" + ZpoolOffline = "OFFLINE" + ZpoolUnavail = "UNAVAIL" + ZpoolRemoved = "REMOVED" +) + +// Zpool is a ZFS zpool. +// A pool is a top-level structure in ZFS, and can contain many descendent datasets. +type Zpool struct { + Name string + Health string + Allocated uint64 + Size uint64 + Free uint64 + Fragmentation uint64 + ReadOnly bool + Freeing uint64 + Leaked uint64 + DedupRatio float64 +} + +// zpool is a helper function to wrap typical calls to zpool and ignores stdout. +func zpool(arg ...string) error { + _, err := zpoolOutput(arg...) + return err +} + +// zpool is a helper function to wrap typical calls to zpool. +func zpoolOutput(arg ...string) ([][]string, error) { + c := command{Command: "zpool"} + return c.Run(arg...) +} + +// GetZpool retrieves a single ZFS zpool by name. +func GetZpool(name string) (*Zpool, error) { + args := zpoolArgs + args = append(args, name) + out, err := zpoolOutput(args...) + if err != nil { + return nil, err + } + + // there is no -H + out = out[1:] + + z := &Zpool{Name: name} + for _, line := range out { + if err := z.parseLine(line); err != nil { + return nil, err + } + } + + return z, nil +} + +// Datasets returns a slice of all ZFS datasets in a zpool. +func (z *Zpool) Datasets() ([]*Dataset, error) { + return Datasets(z.Name) +} + +// Snapshots returns a slice of all ZFS snapshots in a zpool. +func (z *Zpool) Snapshots() ([]*Dataset, error) { + return Snapshots(z.Name) +} + +// CreateZpool creates a new ZFS zpool with the specified name, properties, and optional arguments. +// +// A full list of available ZFS properties and command-line arguments may be found in the ZFS manual: +// https://openzfs.github.io/openzfs-docs/man/7/zfsprops.7.html. +// https://openzfs.github.io/openzfs-docs/man/8/zpool-create.8.html +func CreateZpool(name string, properties map[string]string, args ...string) (*Zpool, error) { + cli := make([]string, 1, 4) + cli[0] = "create" + if properties != nil { + cli = append(cli, propsSlice(properties)...) + } + cli = append(cli, name) + cli = append(cli, args...) + if err := zpool(cli...); err != nil { + return nil, err + } + + return &Zpool{Name: name}, nil +} + +// Destroy destroys a ZFS zpool by name. +func (z *Zpool) Destroy() error { + err := zpool("destroy", z.Name) + return err +} + +// ListZpools list all ZFS zpools accessible on the current system. +func ListZpools() ([]*Zpool, error) { + args := []string{"list", "-Ho", "name"} + out, err := zpoolOutput(args...) + if err != nil { + return nil, err + } + + var pools []*Zpool + + for _, line := range out { + z, err := GetZpool(line[0]) + if err != nil { + return nil, err + } + pools = append(pools, z) + } + return pools, nil +} |