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trying structure from thockin/go-build-template

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Andrew Davidson 2018-01-05 11:59:03 -05:00
parent ad5d05ebf8
commit 38a5880202
13 changed files with 521 additions and 175 deletions
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Dockerfile.in Normal file
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# Copyright 2016 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
FROM ARG_FROM
MAINTAINER Tim Hockin <thockin@google.com>
ADD bin/ARG_ARCH/ARG_BIN /ARG_BIN
USER nobody:nobody
ENTRYPOINT ["/ARG_BIN"]

201
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# Copyright 2016 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# The binary to build (just the basename).
BIN := pocketarchive
# This repo's root import path (under GOPATH).
PKG := gitlab.amd.im/amdavidson/pocketarchive
# Where to push the docker image.
REGISTRY ?= thockin
# Which architecture to build - see $(ALL_ARCH) for options.
ARCH ?= amd64
# This version-strategy uses git tags to set the version string
VERSION := $(shell git describe --tags --always --dirty)
#
# This version-strategy uses a manual value to set the version string
#VERSION := 1.2.3
###
### These variables should not need tweaking.
###
SRC_DIRS := cmd pkg # directories which hold app source (not vendored)
ALL_ARCH := amd64 arm arm64 ppc64le
# Set default base image dynamically for each arch
ifeq ($(ARCH),amd64)
BASEIMAGE?=alpine
endif
ifeq ($(ARCH),arm)
BASEIMAGE?=armel/busybox
endif
ifeq ($(ARCH),arm64)
BASEIMAGE?=aarch64/busybox
endif
ifeq ($(ARCH),ppc64le)
BASEIMAGE?=ppc64le/busybox
endif
IMAGE := $(REGISTRY)/$(BIN)-$(ARCH)
BUILD_IMAGE ?= golang:1.9-alpine
# If you want to build all binaries, see the 'all-build' rule.
# If you want to build all containers, see the 'all-container' rule.
# If you want to build AND push all containers, see the 'all-push' rule.
all: build
build-%:
@$(MAKE) --no-print-directory ARCH=$* build
container-%:
@$(MAKE) --no-print-directory ARCH=$* container
push-%:
@$(MAKE) --no-print-directory ARCH=$* push
all-build: $(addprefix build-, $(ALL_ARCH))
all-container: $(addprefix container-, $(ALL_ARCH))
all-push: $(addprefix push-, $(ALL_ARCH))
build: bin/$(ARCH)/$(BIN)
bin/$(ARCH)/$(BIN): build-dirs
@echo "building: $@"
@docker run \
-ti \
--rm \
-u $$(id -u):$$(id -g) \
-v "$$(pwd)/.go:/go" \
-v "$$(pwd):/go/src/$(PKG)" \
-v "$$(pwd)/bin/$(ARCH):/go/bin" \
-v "$$(pwd)/bin/$(ARCH):/go/bin/$$(go env GOOS)_$(ARCH)" \
-v "$$(pwd)/.go/std/$(ARCH):/usr/local/go/pkg/linux_$(ARCH)_static" \
-w /go/src/$(PKG) \
$(BUILD_IMAGE) \
/bin/sh -c " \
ARCH=$(ARCH) \
VERSION=$(VERSION) \
PKG=$(PKG) \
./build/build.sh \
"
# Example: make shell CMD="-c 'date > datefile'"
shell: build-dirs
@echo "launching a shell in the containerized build environment"
@docker run \
-ti \
--rm \
-u $$(id -u):$$(id -g) \
-v "$$(pwd)/.go:/go" \
-v "$$(pwd):/go/src/$(PKG)" \
-v "$$(pwd)/bin/$(ARCH):/go/bin" \
-v "$$(pwd)/bin/$(ARCH):/go/bin/$$(go env GOOS)_$(ARCH)" \
-v "$$(pwd)/.go/std/$(ARCH):/usr/local/go/pkg/linux_$(ARCH)_static" \
-w /go/src/$(PKG) \
$(BUILD_IMAGE) \
/bin/sh $(CMD)
DOTFILE_IMAGE = $(subst :,_,$(subst /,_,$(IMAGE))-$(VERSION))
container: .container-$(DOTFILE_IMAGE) container-name
.container-$(DOTFILE_IMAGE): bin/$(ARCH)/$(BIN) Dockerfile.in
@sed \
-e 's|ARG_BIN|$(BIN)|g' \
-e 's|ARG_ARCH|$(ARCH)|g' \
-e 's|ARG_FROM|$(BASEIMAGE)|g' \
Dockerfile.in > .dockerfile-$(ARCH)
@docker build -t $(IMAGE):$(VERSION) -f .dockerfile-$(ARCH) .
@docker images -q $(IMAGE):$(VERSION) > $@
container-name:
@echo "container: $(IMAGE):$(VERSION)"
push: .push-$(DOTFILE_IMAGE) push-name
.push-$(DOTFILE_IMAGE): .container-$(DOTFILE_IMAGE)
ifeq ($(findstring gcr.io,$(REGISTRY)),gcr.io)
@gcloud docker -- push $(IMAGE):$(VERSION)
else
@docker push $(IMAGE):$(VERSION)
endif
@docker images -q $(IMAGE):$(VERSION) > $@
push-name:
@echo "pushed: $(IMAGE):$(VERSION)"
version:
@echo $(VERSION)
test: build-dirs
@docker run \
-ti \
--rm \
-u $$(id -u):$$(id -g) \
-v "$$(pwd)/.go:/go" \
-v "$$(pwd):/go/src/$(PKG)" \
-v "$$(pwd)/bin/$(ARCH):/go/bin" \
-v "$$(pwd)/.go/std/$(ARCH):/usr/local/go/pkg/linux_$(ARCH)_static" \
-w /go/src/$(PKG) \
$(BUILD_IMAGE) \
/bin/sh -c " \
./build/test.sh $(SRC_DIRS) \
"
build-dirs:
@mkdir -p bin/$(ARCH)
@mkdir -p .go/src/$(PKG) .go/pkg .go/bin .go/std/$(ARCH)
clean: container-clean bin-clean
container-clean:
rm -rf .container-* .dockerfile-* .push-*
bin-clean:
rm -rf .go bin

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#!/bin/sh
# Copyright 2016 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -o errexit
set -o nounset
set -o pipefail
if [ -z "${PKG}" ]; then
echo "PKG must be set"
exit 1
fi
if [ -z "${ARCH}" ]; then
echo "ARCH must be set"
exit 1
fi
if [ -z "${VERSION}" ]; then
echo "VERSION must be set"
exit 1
fi
export CGO_ENABLED=0
export GOARCH="${ARCH}"
go install \
-installsuffix "static" \
-ldflags "-X ${PKG}/pkg/version.VERSION=${VERSION}" \
./...

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#!/bin/sh
# Copyright 2016 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -o errexit
set -o nounset
set -o pipefail
export CGO_ENABLED=0
TARGETS=$(for d in "$@"; do echo ./$d/...; done)
echo "Running tests:"
go test -i -installsuffix "static" ${TARGETS}
go test -installsuffix "static" ${TARGETS}
echo
echo -n "Checking gofmt: "
ERRS=$(find "$@" -type f -name \*.go | xargs gofmt -l 2>&1 || true)
if [ -n "${ERRS}" ]; then
echo "FAIL - the following files need to be gofmt'ed:"
for e in ${ERRS}; do
echo " $e"
done
echo
exit 1
fi
echo "PASS"
echo
echo -n "Checking go vet: "
ERRS=$(go vet ${TARGETS} 2>&1 || true)
if [ -n "${ERRS}" ]; then
echo "FAIL"
echo "${ERRS}"
echo
exit 1
fi
echo "PASS"
echo

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main.go → cmd/pocketarchive/main.go
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package pocketarchive package pocketarchive
t
import ( import (
"fmt" "fmt"

0
bookmark/bookmark.go → pkg/bookmark/bookmark.go
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0
cmd/cmd.go → pkg/cmd/cmd.go
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0
sql/sql.go → pkg/database/database.sql
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0
ingest/ingest.go → pkg/ingest/ingest.go
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/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package version
// VERSION is the app-global version string, which should be substituted with a
// real value during build.
var VERSION = "UNKNOWN"

172
pocketarchive.go
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package main
import (
"database/sql"
"encoding/xml"
"fmt"
_ "github.com/mattn/go-sqlite3"
"io/ioutil"
"net/http"
"os"
"strings"
)
// Make up some data structures into which we can put our feed.
// Bookmark defines the fundamental structure of the items to be archived.
type Bookmark struct {
// Required
Title string `xml:"title"`
Link string `xml:"link"`
GUID string `xml:"guid"`
// Optional
PubDate string `xml:"pubDate"`
Comments string `xml:"comments"`
}
// Feed defines the structure of the RSS feed exported from Pocket
type Feed struct {
XMLName xml.Name `xml:"rss"`
Version string `xml:"version,attr"`
// Required
Title string `xml:"channel>title"`
Link string `xml:"channel>link"`
Description string `xml:"channel>description"`
// Optional
PubDate string `xml:"channel>pubDate"`
BookmarkList []Bookmark `xml:"channel>item"`
}
// getDB opens a DB object and returns a usable DB instance
func getDB(path string) (*sql.DB, error) {
var fillDB bool
_, err := os.Stat(path)
if err != nil {
fmt.Println("Database does not exist, creating and applying schema")
fillDB = true
} else {
fillDB = false
}
db, err := sql.Open("sqlite3", path)
if err != nil {
fmt.Println("Could not open database")
panic(err)
}
if fillDB {
file, err := ioutil.ReadFile("./schema.sql")
if err != nil {
fmt.Println("database empty, but cold not read schema file")
panic(err)
}
requests := strings.Split(string(file), ";")
for _, request := range requests {
_, err := db.Exec(request)
if err != nil {
fmt.Println("Could not execute:", request)
panic(err)
}
}
}
return db, nil
}
func ingestJobExists(url string, db *sql.DB) bool {
var count int
err := db.QueryRow("SELECT count() FROM ingest where URL=?", url).Scan(&count)
if err != nil {
fmt.Println("Could not check ingest table for URL")
panic(err)
}
if count > 0 {
return true
}
return false
}
func bookmarkExists(url string, db *sql.DB) bool {
var count int
err := db.QueryRow("SELECT count() FROM bookmarks where URL=?", url).Scan(&count)
if err != nil {
fmt.Println("Could not check database for url")
panic(err)
}
if count > 0 {
return true
}
return false
}
func ingestURL(url string, db *sql.DB) sql.Result {
if ingestJobExists(url, db) {
fmt.Println("URL exists in ingest queue")
row, err := db.Exec("SELECT * FROM ingest WHERE URL=?", url)
if err != nil {
fmt.Println("Could not get job from ingest queue")
panic(err)
}
return row
}
row, err := db.Exec("INSERT INTO ingest(url) VALUES (?)", url)
if err != nil {
fmt.Println("Could not execute insert query")
panic(err)
}
return row
}
func main() {
fmt.Println("Launching Pocket Archive...")
fmt.Println("Getting archive data from Pocket...")
// Pull data from RSS feed.
archiveURL := "https://getpocket.com/users/amdavidson/feed/read"
resp, err := http.Get(archiveURL)
if err != nil {
fmt.Println("Could not get archived urls")
panic(err)
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
// Parse the feed
f := Feed{}
err = xml.Unmarshal(body, &f)
if err != nil {
fmt.Println("Could not parse feed")
panic(err)
}
db, err := getDB("./bookmarks.db")
if err != nil {
fmt.Println("Could not open or create db")
panic(err)
}
defer db.Close()
for _, bookmark := range f.BookmarkList {
if bookmarkExists(bookmark.GUID, db) == false {
fmt.Printf("New bookmark url %s\n", bookmark.GUID)
ingestURL(bookmark.GUID, db)
} else {
fmt.Printf("Already know about %s\n", bookmark.GUID)
}
}
fmt.Println("Pocket Archive exiting.")
}

15
schema.sql
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@ -1,3 +1,14 @@
CREATE TABLE bookmarks (url text not null primary key); CREATE TABLE bookmarks (
CREATE TABLE ingest (url text not null primary key); url text not null primary key,
UUID text,
title text,
content text,
bookmarkDate text,
unread bool,
tags text
);
CREATE TABLE ingest (
url text not null primary key
);