Initial push

.ci/go-lint.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+# Copyright (c) 2017 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+if [ ! $(command -v gometalinter) ]
+then
+	go get github.com/alecthomas/gometalinter
+	gometalinter --install --vendor
+fi
+
+linter_args="--tests --vendor"
+
+# When running the linters in a CI environment we need to disable them all
+# by default and then explicitly enable the ones we are care about. This is
+# necessary since *if* gometalinter adds a new linter, that linter may cause
+# the CI build to fail when it really shouldn't. However, when this script is
+# run locally, all linters should be run to allow the developer to review any
+# failures (and potentially decide whether we need to explicitly enable a new
+# linter in the CI).
+if [ "$CI" = true ]; then
+	linter_args+=" --disable-all"
+fi
+
+linter_args+=" --enable=misspell"
+linter_args+=" --enable=vet"
+linter_args+=" --enable=ineffassign"
+linter_args+=" --enable=gofmt"
+linter_args+=" --enable=gocyclo"
+linter_args+=" --cyclo-over=15"
+linter_args+=" --enable=golint"
+linter_args+=" --deadline=600s"
+
+eval gometalinter "${linter_args}" ./...

.ci/go-test.sh

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+#!/bin/bash
+
+# Copyright (c) 2017 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+set -e
+
+test_packages=$(go list ./... | grep -v vendor)
+echo "Run go test and generate coverage:"
+for pkg in $test_packages; do
+	if [ "$pkg" = "github.com/kata-containers/ksm-throttler" ]; then
+		sudo env GOPATH=$GOPATH GOROOT=$GOROOT PATH=$PATH go test -cover -coverprofile=profile.cov $pkg
+	else
+		sudo env GOPATH=$GOPATH GOROOT=$GOROOT PATH=$PATH go test -cover $pkg
+	fi
+done

.pullapprove.yml

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+version: 2
+
+requirements:
+  signed_off_by:
+    required: true
+
+# Disallow approval of PRs still under development
+always_pending:
+  title_regex: 'WIP'
+  labels:
+    - do-not-merge
+    - wip
+  explanation: 'Work in progress - do not merge'
+
+group_defaults:
+  approve_by_comment:
+    enabled: true
+    approve_regex: '^(LGTM|lgtm|Approved|\+1|:\+1:)'
+    reject_regex: '^(Rejected|-1|:-1:)'
+  reset_on_push:
+    enabled: false
+  reset_on_reopened:
+    enabled: false
+  author_approval:
+    ignored: true
+
+groups:
+  approvers:
+    required: 1
+    teams:
+      - proxy

.travis.yml

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+language: go
+sudo: required
+go:
+- 1.8
+- 1.9
+- tip
+go_import_path: github.com/kata-containers/ksm-throttler
+
+before_install:
+- go get github.com/mattn/goveralls
+- go get golang.org/x/tools/cmd/cover
+- go get github.com/pierrre/gotestcover
+- go get github.com/fzipp/gocyclo
+- go get github.com/gordonklaus/ineffassign
+- go get github.com/golang/lint/golint
+- go get github.com/client9/misspell/cmd/misspell
+- go get github.com/ciao-project/ciao/test-cases
+
+install:
+- go_packages=$(go list ./... | grep -v vendor)
+- go_files=`go list -f '{{.Dir}}/*.go' $go_packages`
+- go get -t -v $go_packages
+
+script:
+- go env
+- misspell -error $go_packages
+- go vet $go_packages
+- if [[ "$TRAVIS_GO_VERSION" != "tip" ]] ; then golint $go_packages; fi
+- gocyclo -over 15 $go_files
+- go list -f '{{.Dir}}' $go_packages | xargs -L 1 ineffassign
+- gofmt -s -l $go_files | wc -l | xargs -I % bash -c "test % -eq 0"
+- make
+- make check
+- export GOROOT=`go env GOROOT` && sudo -E PATH=$PATH:$GOROOT/bin $GOPATH/bin/test-cases -v -timeout 9 -short -coverprofile /tmp/cover.out $go_packages
+- go test -race -coverprofile=coverage.txt -covermode=atomic
+
+after_success:
+- "$GOPATH/bin/goveralls -service=travis-ci -coverprofile=/tmp/cover.out"
+- bash <(curl -s https://codecov.io/bash)

Gopkg.toml

@@ -0,0 +1,23 @@
+[[constraint]]
+  name = "github.com/golang/protobuf"
+  revision = "1e59b77b52bf8e4b449a57e6f79f21226d571845"
+
+[[constraint]]
+  name = "github.com/sirupsen/logrus"
+  version = "1.0.3"
+
+[[constraint]]
+  name = "golang.org/x/net"
+  revision = "a337091b0525af65de94df2eb7e98bd9962dcbe2"
+
+[[constraint]]
+  name = "google.golang.org/grpc"
+  version = "1.7.3"
+
+[[constraint]]
+  name = "github.com/stretchr/testify"
+  revision = "2aa2c176b9dab406a6970f6a55f513e8a8c8b18f"
+
+[[constraint]]
+  name = "github.com/fsnotify/fsnotify"
+  revision = "4da3e2cfbabc9f751898f250b49f2439785783a1"

Makefile

@@ -0,0 +1,122 @@
+VERSION := 0.1+
+
+PACKAGE       = github.com/kata-containers/ksm-throttler
+BASE          = $(GOPATH)/src/$(PACKAGE)
+PREFIX        = /usr
+BIN_DIR       = $(PREFIX)/bin
+LIBEXECDIR    = $(PREFIX)/libexec
+LOCALSTATEDIR = /var
+SOURCES       = $(shell find . 2>&1 | grep -E '.*\.(c|h|go)$$')
+KSM_SOCKET    = $(LOCALSTATEDIR)/run/ksm-throttler/ksm.sock
+TRIGGER_DIR   = $(GOPATH)/src/$(PACKAGE)/trigger
+GO            = go
+PKGS          = $(or $(PKG),$(shell cd $(BASE) && env GOPATH=$(GOPATH) $(GO) list ./... | grep -v "/vendor/"))
+
+DESCRIBE := $(shell git describe 2> /dev/null || true)
+DESCRIBE_DIRTY := $(if $(shell git status --porcelain --untracked-files=no 2> /dev/null),${DESCRIBE}-dirty,${DESCRIBE})
+ifneq ($(DESCRIBE_DIRTY),)
+VERSION := $(DESCRIBE_DIRTY)
+endif
+
+#
+# Pretty printing
+#
+
+V	      = @
+Q	      = $(V:1=)
+QUIET_GOBUILD = $(Q:@=@echo    '     GOBUILD  '$@;)
+
+#
+# Build
+#
+
+all: build binaries
+
+build:
+	$(QUIET_GOBUILD)go build $(PKGS)
+
+throttler:
+	$(QUIET_GOBUILD)go build -o ksm-throttler -ldflags \
+		"-X main.DefaultURI=$(KSM_SOCKET) -X main.Version=$(VERSION)" throttler.go ksm.go
+
+kicker:
+	$(QUIET_GOBUILD)go build -o $(TRIGGER_DIR)/kicker/$@ \
+		-ldflags "-X main.DefaultURI=$(KSM_SOCKET)" $(TRIGGER_DIR)/kicker/*.go
+
+virtcontainers:
+	$(QUIET_GOBUILD)go build -o $(TRIGGER_DIR)/virtcontainers/vc \
+		-ldflags "-X main.DefaultURI=$(KSM_SOCKET)" $(TRIGGER_DIR)/virtcontainers/*.go
+
+binaries: throttler kicker virtcontainers
+
+#
+# systemd files
+#
+
+HAVE_SYSTEMD := $(shell pkg-config --exists systemd 2>/dev/null && echo 'yes')
+
+ifeq ($(HAVE_SYSTEMD),yes)
+UNIT_DIR := $(shell pkg-config --variable=systemdsystemunitdir systemd)
+UNIT_FILES = ksm-throttler.service vc-throttler.service
+GENERATED_FILES += $(UNIT_FILES)
+endif
+
+#
+# Tests
+#
+
+check: check-go-static check-go-test
+
+check-go-static:
+	bash .ci/go-lint.sh
+
+check-go-test:
+	bash .ci/go-test.sh
+
+#
+# install
+#
+
+define INSTALL_EXEC
+	$(QUIET_INST)install -D $1 $(DESTDIR)$2/$1 || exit 1;
+
+endef
+define INSTALL_FILE
+	$(QUIET_INST)install -D -m 644 $1 $(DESTDIR)$2/$1 || exit 1;
+
+endef
+
+all-installable: ksm-throttler virtcontainers $(UNIT_FILES)
+
+install: all-installable
+	$(call INSTALL_EXEC,ksm-throttler,$(LIBEXECDIR)/ksm-throttler)
+	$(call INSTALL_EXEC,trigger/virtcontainers/vc,$(LIBEXECDIR)/ksm-throttler)
+	$(foreach f,$(UNIT_FILES),$(call INSTALL_FILE,$f,$(UNIT_DIR)))
+
+#
+# Clean
+#
+
+clean:
+	rm -f ksm-throttler
+	rm -f $(TRIGGER_DIR)/kicker/kicker
+	rm -f $(TRIGGER_DIR)/virtcontainers/vc
+
+$(GENERATED_FILES): %: %.in Makefile
+	@mkdir -p `dirname $@`
+	$(QUIET_GEN)sed \
+		-e 's|[@]bindir[@]|$(BINDIR)|g' \
+		-e 's|[@]libexecdir[@]|$(LIBEXECDIR)|' \
+		-e "s|[@]localstatedir[@]|$(LOCALSTATEDIR)|" \
+		"$<" > "$@"
+
+.PHONY: \
+	all \
+	build \
+	binaries \
+	check \
+	check-go-static \
+	check-go-test \
+	install \
+	uninstall \
+	clean

OWNERS

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+reviewers:
+- proxy
+
+approvers:
+- proxy