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This commit is contained in:
Jeffrey Duroyon
2019-04-04 14:29:48 +02:00
committed by Jeffrey Duroyon
parent 0df6d64c35
commit 33db360b03
38 changed files with 1476 additions and 1 deletions
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BIN
.DS_Store vendored Normal file
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.gitignore vendored Normal file
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MamContract
vendor/
.idea/
*.iml

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Makefile Normal file
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# Set an output prefix, which is the local directory if not specified
PREFIX?=$(shell pwd)
.DEFAULT_GOAL := build
DOCKER_IMAGE_NAME := MamContract
# Setup name variables for the package/tool
NAME := MamContract
BIN_NAME := MamContract
PKG := github.com/kratisto/mam-contract
# GO env vars
ifeq ($(GOPATH),)
GOPATH:=~/go
endif
GO=$(firstword $(subst :, ,$(GOPATH)))
.PHONY: ensure-vendor
ensure-vendor: ## Get all vendor dependencies
@echo "+ $@"
dep ensure
.PHONY: update-vendor
update-vendor: ## Get all vendor dependencies
@echo "+ $@"
dep ensure -update
.PHONY: clean
clean: local-clean ## Clean your generated files
@echo "+ $@"
docker image rm workScheduler:snapshot || true
.PHONY: local-build
local-build: local-clean local-format ## Build locally the binary
@echo "+ $@"
go build -o $(GO)/bin/$(BIN_NAME) .
.PHONY: local-clean
local-clean: ## Cleanup locally any build binaries or packages
@echo "+ $@"
@$(RM) $(BIN_NAME)
.PHONY: local-format
local-format: ## format locally all files
@echo "+ $@"
gofmt -s -l -w .
.PHONY: build
build: sources-image ## Build the docker image with application binary
@echo "+ $@"
docker build --no-cache \
-f containers/Dockerfile \
--build-arg SOURCES_IMAGE=workScheduler-sources:snapshot \
-t workScheduler:snapshot .
GIT_CREDENTIALS?=$(shell cat ~/.git-credentials 2> /dev/null)
.PHONY: sources-image
sources-image: ## Generate a Docker image with only the sources
@echo "+ $@"
docker build -t workScheduler-sources:snapshot -f containers/Dockerfile.sources .
.PHONY: local-run-dependencies
local-run-dependencies: ## Run the dependencies of the server (launch the containers/docker-compose.local.yml)
@echo "+ $@"
@docker-compose -p $(DOCKER_IMAGE_NAME)-uuid -f containers/docker-compose.local.yml down || true;
@docker-compose -p $(DOCKER_IMAGE_NAME)-uuid -f containers/docker-compose.local.yml pull;
@docker-compose -p $(DOCKER_IMAGE_NAME)-uuid -f containers/docker-compose.local.yml up -d --build
.PHONY: local-run-golang
local-run-golang: ## Build the server and run it
@echo "+ $@"
BUILD_GOLANG_CMD=local-build \
LAUNCH_GOLANG_CMD="$(GO)/bin/$(BIN_NAME)" \
$(MAKE) local-launch-golang
.PHONY: local-launch-golang
local-launch-golang: ## Build the server and run it
@echo "+ $@"
PID=`ps -ax | egrep "\b$(BIN_NAME)"| cut -d " " -f 1`; \
kill $$PID || true
$(MAKE) $(BUILD_GOLANG_CMD)
DB_PORT=`docker-compose -p $(DOCKER_IMAGE_NAME)-uuid -f containers/docker-compose.local.yml port database 5432 | cut -f2 -d':'`; \
$(LAUNCH_GOLANG_CMD) serve --loglevel debug --logformat text --postgreshost localhost:$$DB_PORT
.PHONY: local-run
local-run: local-run-dependencies local-run-golang ## Run the server with its dependencies

2
README.md
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# work-scheduler # mam-contract

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cmd/root.go Normal file
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package cmd
import (
"fmt"
"github.com/kratisto/mam-contract/configuration"
"github.com/mitchellh/go-homedir"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"os"
)
const (
// Log
parameterLogLevel = "loglevel"
parameterLogFormat = "logformat"
defaultLogLevel = "debug"
defaultLogFormat = "text"
// Mock
parameterMock = "mock"
defaultMock = false
// Router
parameterPort = "port"
defaultPort = 8080
// DATABASE
parameterPostgresDBName = "postgresdbname"
defaultPostgresDBName = "postgres"
parameterPostgresDBSchema = "postgresdbschema"
defaultPostgresDBSchema = "workScheduler"
parameterPostgresHost = "postgreshost"
defaultPostgresHost = "database"
parameterPostgresUser = "postgresuser"
defaultPostgresUser = "postgres"
parameterPostgresPwd = "postgrespwd"
defaultPostgresPwd = "password"
)
var (
config = &configuration.Config{}
cfgFile string
// GITHASH : Stores the git revision to be displayed
GITHASH string
// VERSION : Stores the binary version to be displayed
VERSION string
// rootCmd represents the base command when called without any subcommands
rootCmd = &cobra.Command{
Use: "workScheduler",
Short: "workScheduler",
Version: fmt.Sprintf("%s (%s)", VERSION, GITHASH),
}
)
// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
if err := rootCmd.Execute(); err != nil {
fmt.Println(err)
os.Exit(1)
}
}
func init() {
rootCmd.AddCommand(serveCmd)
// Here you will define your flags and configuration settings.
// Cobra supports persistent flags, which, if defined here,
// will be global for your application.
rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.workScheduler.yaml)")
}
// initConfig reads in config file and ENV variables if set.
func initConfig() {
if cfgFile != "" {
// Use config file from the flag.
viper.SetConfigFile(cfgFile)
} else {
// Find home directory.
home, err := homedir.Dir()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// Search config in home directory with name ".workScheduler" (without extension).
viper.AddConfigPath(home)
viper.SetConfigName(".workScheduler")
}
viper.AutomaticEnv() // read in environment variables that match
// If a config file is found, read it in.
if err := viper.ReadInConfig(); err == nil {
fmt.Println("Using config file:", viper.ConfigFileUsed())
}
config.Mock = viper.GetBool(parameterMock)
config.Port = viper.GetInt(parameterPort)
config.LogLevel = viper.GetString(parameterLogLevel)
config.LogFormat = viper.GetString(parameterLogFormat)
config.PostgresDBName = viper.GetString(parameterPostgresDBName)
config.PostgresDBSchema = viper.GetString(parameterPostgresDBSchema)
config.PostgresHost = viper.GetString(parameterPostgresHost)
config.PostgresUser = viper.GetString(parameterPostgresUser)
config.PostgresPwd = viper.GetString(parameterPostgresPwd)
config.Version = VERSION
}

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cmd/serve.go Normal file
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package cmd
import (
"github.com/kratisto/mam-contract/internal/ginserver"
"github.com/kratisto/mam-contract/internal/health"
"github.com/kratisto/mam-contract/internal/utils"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
// serveCmd represents the serve command
var serveCmd = &cobra.Command{
Use: "serve",
Short: "Serve endpoints",
PreRun: initServeBindingsFlags,
Run: func(cmd *cobra.Command, args []string) {
initConfig()
utils.InitLogger(config.LogLevel, config.LogFormat)
logrus.
WithField(parameterLogLevel, config.LogLevel).
WithField(parameterLogFormat, config.LogFormat).
WithField(parameterPort, config.Port).
WithField(parameterPostgresHost, config.PostgresHost).
Warn("Configuration")
injector := &utils.Injector{}
ginserver.Setup(injector, config)
health.Setup(injector)
ginserver.Start(injector)
},
}
func init() {
serveCmd.Flags().String(parameterLogLevel, defaultLogLevel, "Use this flag to set the logging level")
serveCmd.Flags().String(parameterLogFormat, defaultLogFormat, "Use this flag to set the logging format")
serveCmd.Flags().Bool(parameterMock, defaultMock, "Use this flag to mock external services")
serveCmd.Flags().Int(parameterPort, defaultPort, "Use this flag to set the listening port of the api")
serveCmd.Flags().String(parameterPostgresDBName, defaultPostgresDBName, "Use this flag to set database name")
serveCmd.Flags().String(parameterPostgresDBSchema, defaultPostgresDBSchema, "Use this flag to set database schema name")
serveCmd.Flags().String(parameterPostgresHost, defaultPostgresHost, "Use this flag to set database host")
serveCmd.Flags().String(parameterPostgresUser, defaultPostgresUser, "Use this flag to set database user name")
serveCmd.Flags().String(parameterPostgresPwd, defaultPostgresPwd, "Use this flag to set database user password")
}
func initServeBindingsFlags(cmd *cobra.Command, args []string) {
viper.BindPFlag(parameterLogLevel, cmd.Flags().Lookup(parameterLogLevel))
viper.BindPFlag(parameterLogFormat, cmd.Flags().Lookup(parameterLogFormat))
viper.BindPFlag(parameterMock, cmd.Flags().Lookup(parameterMock))
viper.BindPFlag(parameterPort, cmd.Flags().Lookup(parameterPort))
viper.BindPFlag(parameterPostgresDBName, cmd.Flags().Lookup(parameterPostgresDBName))
viper.BindPFlag(parameterPostgresDBSchema, cmd.Flags().Lookup(parameterPostgresDBSchema))
viper.BindPFlag(parameterPostgresHost, cmd.Flags().Lookup(parameterPostgresHost))
viper.BindPFlag(parameterPostgresUser, cmd.Flags().Lookup(parameterPostgresUser))
viper.BindPFlag(parameterPostgresPwd, cmd.Flags().Lookup(parameterPostgresPwd))
}

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configuration/config.go Normal file
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package configuration
// Config holds all the configuration of the application
type Config struct {
Mock bool
Port int
LogLevel string
LogFormat string
PostgresDBName string
PostgresDBSchema string
PostgresHost string
PostgresUser string
PostgresPwd string
Version string
}

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containers/Dockerfile Normal file
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# build stage
ARG SOURCES_IMAGE
FROM $SOURCES_IMAGE as builder
RUN make local-build
# final stage
FROM alpine:3.7
RUN apk --no-cache add ca-certificates
WORKDIR /app
COPY --from=builder /go/bin/MamContract .
EXPOSE 8080
ENTRYPOINT ["/app/MamContract"]
CMD ["serve", "--logformat", "json", "--loglevel", "debug"]

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containers/Dockerfile.sources Normal file
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FROM golang:1.11.2-alpine3.8
# Remove the cache to avoid warning message during `apk info`
RUN rm -rf /var/cache/apk/* && \
rm -rf /tmp/*
RUN apk update
# GO and PATH env variables already set in golang image
# to reduce download time
RUN apk --no-cache add -U make git musl-dev gcc
RUN wget https://raw.githubusercontent.com/golang/dep/master/install.sh && sh install.sh
WORKDIR $GOPATH/src/github.com/kratisto/MamContract
ADD . .
RUN make ensure-vendor

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containers/docker-compose.local.yml Normal file
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version: "2.1"
services:
database:
image: postgres:10-alpine
ports:
- "5432"
environment:
- POSTGRES_PASSWORD=password
healthcheck:
test: ["CMD-SHELL", "psql -U postgres -c 'SELECT 1;'"]
interval: 10s
timeout: 30s
retries: 3
liquibase:
image: kilna/liquibase-mysql
depends_on:
database:
condition: service_healthy
links:
- database
environment:
- LIQUIBASE_DATABASE=workScheduler
- LIQUIBASE_HOST=database
- LIQUIBASE_USERNAME=postgres
- LIQUIBASE_PASSWORD=password
- LIQUIBASE_CHANGELOG=/changelogs/changelog-master.xml
- LIQUIBASE_CLASSPATH=/changelogs/postgresql-42.2.5.jar
- LIQUIBASE_DRIVER=org.postgresql.Driver
- LIQUIBASE_URL=jdbc:postgresql://database:5432/workScheduler
volumes:
- $PWD/liquibase/changelogs/:/workspace
command:
- liquibase
- --defaultsFile=/workspace/liquibase.properties
- update

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dao/postgres.go Normal file
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package dao
import (
"database/sql"
"fmt"
"github.com/kratisto/mam-contract/configuration"
_ "github.com/lib/pq" // Required to use the driver with database/sql
)
// Database is the interface for DB access
type Database interface {
Ping() error
}
// DatabasePostgreSQL is the implementation of the Database interface for PostgreSQL
type DatabasePostgreSQL struct {
session *sql.DB
schema string
}
// NewDatabasePostgreSQL returns an instance of the database
func NewDatabasePostgreSQL(config *configuration.Config) Database {
var (
dbSession *sql.DB
err error
)
connectionURI := fmt.Sprintf("postgresql://%s:%s@%s/%s?sslmode=disable", config.PostgresUser, config.PostgresPwd, config.PostgresHost, config.PostgresDBName)
dbSession, err = sql.Open("postgres", connectionURI)
if err != nil {
return nil
}
err = dbSession.Ping()
if err != nil {
return nil
}
return &DatabasePostgreSQL{session: dbSession, schema: config.PostgresDBSchema}
}
// Ping doesn't use db.Ping because it doesn't Ping after the first time
// https://stackoverflow.com/a/41619206/3853913
func (db *DatabasePostgreSQL) Ping() error {
_, err := db.session.Query("SELECT WHERE 1=0")
return err
}

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go.mod Normal file
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module github.com/kratisto/mam-contract
go 1.21
require (
github.com/gin-contrib/cors v1.4.0
github.com/gin-gonic/gin v1.8.1
github.com/lib/pq v1.0.0
github.com/mitchellh/go-homedir v1.1.0
github.com/sirupsen/logrus v1.2.0
github.com/spf13/cobra v0.0.3
github.com/spf13/viper v1.3.2
google.golang.org/api v0.3.0
gopkg.in/go-playground/validator.v9 v9.31.0
)
require (
cloud.google.com/go v0.34.0 // indirect
github.com/fsnotify/fsnotify v1.4.7 // indirect
github.com/gin-contrib/sse v0.1.0 // indirect
github.com/go-playground/locales v0.14.0 // indirect
github.com/go-playground/universal-translator v0.18.0 // indirect
github.com/go-playground/validator/v10 v10.10.0 // indirect
github.com/goccy/go-json v0.9.7 // indirect
github.com/golang/protobuf v1.5.0 // indirect
github.com/hashicorp/golang-lru v0.5.0 // indirect
github.com/hashicorp/hcl v1.0.0 // indirect
github.com/inconshreveable/mousetrap v1.1.0 // indirect
github.com/json-iterator/go v1.1.12 // indirect
github.com/konsorten/go-windows-terminal-sequences v1.0.1 // indirect
github.com/kr/pretty v0.3.1 // indirect
github.com/leodido/go-urn v1.2.1 // indirect
github.com/magiconair/properties v1.8.0 // indirect
github.com/mattn/go-isatty v0.0.14 // indirect
github.com/mitchellh/mapstructure v1.1.2 // indirect
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect
github.com/modern-go/reflect2 v1.0.2 // indirect
github.com/pelletier/go-toml v1.2.0 // indirect
github.com/pelletier/go-toml/v2 v2.0.1 // indirect
github.com/spf13/afero v1.1.2 // indirect
github.com/spf13/cast v1.3.0 // indirect
github.com/spf13/jwalterweatherman v1.0.0 // indirect
github.com/spf13/pflag v1.0.3 // indirect
github.com/ugorji/go/codec v1.2.7 // indirect
go.opencensus.io v0.19.2 // indirect
golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97 // indirect
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 // indirect
golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421 // indirect
golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069 // indirect
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 // indirect
golang.org/x/text v0.3.6 // indirect
google.golang.org/appengine v1.4.0 // indirect
google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19 // indirect
google.golang.org/grpc v1.19.0 // indirect
google.golang.org/protobuf v1.28.0 // indirect
gopkg.in/go-playground/assert.v1 v1.2.1 // indirect
gopkg.in/yaml.v2 v2.4.0 // indirect
)

262
go.sum Normal file
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cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0 h1:eOI3/cP2VTU6uZLDYAoic+eyzzB9YyGmJ7eIjl8rOPg=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
git.apache.org/thrift.git v0.12.0/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/eapache/go-resiliency v1.1.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5mFgVsvEsIPBvNs=
github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU=
github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I=
github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/gin-contrib/cors v1.4.0 h1:oJ6gwtUl3lqV0WEIwM/LxPF1QZ5qe2lGWdY2+bz7y0g=
github.com/gin-contrib/cors v1.4.0/go.mod h1:bs9pNM0x/UsmHPBWT2xZz9ROh8xYjYkiURUfmBoMlcs=
github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
github.com/gin-gonic/gin v1.8.1 h1:4+fr/el88TOO3ewCmQr8cx/CtZ/umlIRIs5M4NTNjf8=
github.com/gin-gonic/gin v1.8.1/go.mod h1:ji8BvRH1azfM+SYow9zQ6SZMvR8qOMZHmsCuWR9tTTk=
github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
github.com/go-playground/assert/v2 v2.0.1 h1:MsBgLAaY856+nPRTKrp3/OZK38U/wa0CcBYNjji3q3A=
github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
github.com/go-playground/locales v0.14.0 h1:u50s323jtVGugKlcYeyzC0etD1HifMjqmJqb8WugfUU=
github.com/go-playground/locales v0.14.0/go.mod h1:sawfccIbzZTqEDETgFXqTho0QybSa7l++s0DH+LDiLs=
github.com/go-playground/universal-translator v0.18.0 h1:82dyy6p4OuJq4/CByFNOn/jYrnRPArHwAcmLoJZxyho=
github.com/go-playground/universal-translator v0.18.0/go.mod h1:UvRDBj+xPUEGrFYl+lu/H90nyDXpg0fqeB/AQUGNTVA=
github.com/go-playground/validator/v10 v10.10.0 h1:I7mrTYv78z8k8VXa/qJlOlEXn/nBh+BF8dHX5nt/dr0=
github.com/go-playground/validator/v10 v10.10.0/go.mod h1:74x4gJWsvQexRdW8Pn3dXSGrTK4nAUsbPlLADvpJkos=
github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
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github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
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github.com/spf13/cast v1.3.0 h1:oget//CVOEoFewqQxwr0Ej5yjygnqGkvggSE/gB35Q8=
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github.com/spf13/cobra v0.0.3 h1:ZlrZ4XsMRm04Fr5pSFxBgfND2EBVa1nLpiy1stUsX/8=
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github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
github.com/ugorji/go v1.2.7/go.mod h1:nF9osbDWLy6bDVv/Rtoh6QgnvNDpmCalQV5urGCCS6M=
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golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
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golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20181217174547-8f45f776aaf1/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181106065722-10aee1819953/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 h1:qWPm9rbaAMKs8Bq/9LRpbMqxWRVUAQwMI9fVrssnTfw=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421 h1:Wo7BWFiOk0QRFMLYMqJGFMd9CgUAcGx7V+qEg/h5IBI=
golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181218192612-074acd46bca6/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069 h1:siQdpVirKtzPhKl3lZWozZraCFObP8S1v6PRp0bLrtU=
golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 h1:v+OssWQX+hTHEmOBgwxdZxK4zHq3yOs8F9J7mk0PY8E=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20181219222714-6e267b5cc78e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/api v0.0.0-20181220000619-583d854617af/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
google.golang.org/api v0.2.0/go.mod h1:IfRCZScioGtypHNTlz3gFk67J8uePVW7uDTBzXuIkhU=
google.golang.org/api v0.3.0 h1:UIJY20OEo3+tK5MBlcdx37kmdH6EnRjGkW78mc6+EeA=
google.golang.org/api v0.3.0/go.mod h1:IuvZyQh8jgscv8qWfQ4ABd8m7hEudgBFM/EdhA3BnXw=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.3.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/appengine v1.4.0 h1:/wp5JvzpHIxhs/dumFmF7BXTf3Z+dd4uXta4kVyO508=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20181219182458-5a97ab628bfb/go.mod h1:7Ep/1NZk928CDR8SjdVbjWNpdIf6nzjE3BTgJDr2Atg=
google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19 h1:Lj2SnHtxkRGJDqnGaSjo+CCdIieEnwVazbOXILwQemk=
google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/grpc v1.16.0/go.mod h1:0JHn/cJsOMiMfNA9+DeHDlAU7KAAB5GDlYFpa9MZMio=
google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
google.golang.org/grpc v1.19.0 h1:cfg4PD8YEdSFnm7qLV4++93WcmhH2nIUhMjhdCvl3j8=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/go-playground/assert.v1 v1.2.1 h1:xoYuJVE7KT85PYWrN730RguIQO0ePzVRfFMXadIrXTM=
gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
gopkg.in/go-playground/validator.v9 v9.31.0 h1:bmXmP2RSNtFES+bn4uYuHT7iJFJv7Vj+an+ZQdDaD1M=
gopkg.in/go-playground/validator.v9 v9.31.0/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20180920025451-e3ad64cb4ed3/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

71
internal/ginserver/logger.go Executable file
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@@ -0,0 +1,71 @@
package ginserver
import (
"github.com/kratisto/mam-contract/internal/utils"
"math/rand"
"time"
"github.com/gin-gonic/gin"
)
const (
letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
letterIdxBits = 6 // 6 bits to represent a letter index
letterIdxMask = 1<<letterIdxBits - 1 // All 1-bits, as many as letterIdxBits
letterIdxMax = 63 / letterIdxBits // # of letter indices fitting in 63 bits
)
var src = rand.NewSource(time.Now().UnixNano())
func randStringBytesMaskImprSrc(n int) string {
b := make([]byte, n)
// A src.Int63() generates 63 random bits, enough for letterIdxMax characters!
for i, cache, remain := n-1, src.Int63(), letterIdxMax; i >= 0; {
if remain == 0 {
cache, remain = src.Int63(), letterIdxMax
}
if idx := int(cache & letterIdxMask); idx < len(letterBytes) {
b[i] = letterBytes[idx]
i--
}
cache >>= letterIdxBits
remain--
}
return string(b)
}
func GetLoggerMiddleware() gin.HandlerFunc {
return func(c *gin.Context) {
correlationID := c.Request.Header.Get(utils.HeaderNameCorrelationID)
if correlationID == "" {
correlationID = randStringBytesMaskImprSrc(30)
c.Writer.Header().Set(utils.HeaderNameCorrelationID, correlationID)
}
logger := utils.GetLogger()
logEntry := logger.WithField(utils.HeaderNameCorrelationID, correlationID)
c.Set(utils.ContextKeyLogger, logEntry)
}
}
func GetHTTPLoggerMiddleware() gin.HandlerFunc {
return func(c *gin.Context) {
start := time.Now()
utils.GetLoggerFromCtx(c).
WithField("method", c.Request.Method).
WithField("url", c.Request.RequestURI).
WithField("from", c.ClientIP()).
Info("start handling HTTP request")
c.Next()
d := time.Since(start)
utils.GetLoggerFromCtx(c).
WithField("status", c.Writer.Status()).
WithField("duration", d.String()).
Info("end handling HTTP request")
}
}

40
internal/ginserver/oauth_token.go Normal file
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@@ -0,0 +1,40 @@
package ginserver
import (
"fmt"
"github.com/kratisto/mam-contract/internal/storage/model"
"github.com/kratisto/mam-contract/internal/utils"
"net/http"
"strings"
"github.com/gin-gonic/gin"
"google.golang.org/api/oauth2/v1"
)
func ValidateOAuthToken(c *gin.Context) {
authorizationHeader := c.GetHeader("Authorization")
authorizationHeaderSplitted := strings.Split(authorizationHeader, " ")
if len(authorizationHeaderSplitted) != 2 {
utils.JSONError(c.Writer, model.ErrBadRequestFormat)
c.Abort()
return
}
oauth2Service, err := oauth2.New(&http.Client{})
if oauth2Service == nil {
fmt.Println(err)
utils.JSONError(c.Writer, model.ErrInternalServer)
c.Abort()
return
}
tokenInfoCall := oauth2Service.Tokeninfo()
tokenInfoCall.IdToken(authorizationHeaderSplitted[1])
token, err := tokenInfoCall.Do()
if err != nil {
utils.GetLogger().WithError(err).Error(err)
utils.JSONError(c.Writer, model.ErrBadRequestFormat)
c.Abort()
return
}
c.Set("googleUserId", token.UserId)
}

45
internal/ginserver/setup.go Normal file
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@@ -0,0 +1,45 @@
package ginserver
import (
"github.com/gin-contrib/cors"
"github.com/gin-gonic/gin"
"github.com/kratisto/mam-contract/configuration"
"github.com/kratisto/mam-contract/internal/utils"
"time"
)
var (
routerInjectorKey = "ROUTER"
SecuredRouterInjectorKey = "SECURED_ROUTER"
UnsecuredRouterInjectorKey = "UNSECURED_ROUTER"
)
func Setup(injector *utils.Injector, config *configuration.Config) {
gin.SetMode(gin.ReleaseMode)
router := gin.New()
router.HandleMethodNotAllowed = true
router.Use(cors.New(cors.Config{
AllowOrigins: []string{"http://localhost:8080/", "http://localhost:8080", "http://localhost:19006"},
AllowMethods: []string{"*"},
AllowHeaders: []string{"*"},
ExposeHeaders: []string{"*"},
AllowCredentials: true,
MaxAge: 12 * time.Hour,
}))
router.Use(gin.Recovery())
router.Use(GetLoggerMiddleware())
router.Use(GetHTTPLoggerMiddleware())
public := router.Group("/")
injector.Set(UnsecuredRouterInjectorKey, public)
securedUserRoute := public.Group("/users")
securedUserRoute.Use(ValidateOAuthToken)
injector.Set(SecuredRouterInjectorKey, securedUserRoute)
injector.Set(routerInjectorKey, router)
}

38
internal/ginserver/start.go Normal file
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@@ -0,0 +1,38 @@
package ginserver
import (
"github.com/gin-gonic/gin"
"github.com/kratisto/mam-contract/internal/utils"
"log"
"net/http"
"os"
"os/signal"
"syscall"
)
func Start(injector *utils.Injector) {
router := utils.Get[*gin.Engine](injector, routerInjectorKey)
srv := &http.Server{
Addr: ":8080",
Handler: router,
}
go func() {
// service connections
if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
log.Fatalf("listen: %s\n", err)
}
}()
// Wait for interrupt signal to gracefully shutdown the server with
// a timeout of 5 seconds.
quit := make(chan os.Signal)
// kill (no param) default send syscanll.SIGTERM
// kill -2 is syscall.SIGINT
// kill -9 is syscall. SIGKILL but can"t be catch, so don't need add it
signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
<-quit
log.Println("Shutdown Server ...")
}

27
internal/health/handler.go Normal file
View File

@@ -0,0 +1,27 @@
package health
import (
"net/http"
"github.com/gin-gonic/gin"
)
// @openapi:path
// /_health:
//
// get:
// tags:
// - "Monitoring"
// summary: Health check
// description: Health check
// responses:
// 200:
// description: "Health response"
// content:
// application/json:
// schema:
// $ref: "#/components/schemas/Health"
func GetHealth(c *gin.Context) {
health := &Health{Alive: true}
c.JSON(http.StatusOK, health)
}

8
internal/health/model.go Normal file
View File

@@ -0,0 +1,8 @@
package health
// Health struct
// @openapi:schema
type Health struct {
Alive bool `json:"alive"`
Version string `json:"version"`
}

15
internal/health/setup.go Normal file
View File

@@ -0,0 +1,15 @@
package health
import (
"github.com/gin-gonic/gin"
"github.com/kratisto/mam-contract/internal/ginserver"
"github.com/kratisto/mam-contract/internal/utils"
"net/http"
)
func Setup(injector *utils.Injector) {
publicRoute := utils.Get[*gin.RouterGroup](injector, ginserver.UnsecuredRouterInjectorKey)
//TODO add secure auth
publicRoute.Handle(http.MethodGet, "/health", GetHealth)
}

32
internal/storage/dao/database_error.go Executable file
View File

@@ -0,0 +1,32 @@
package dao
import (
"fmt"
)
type Type int
const (
ErrTypeNotFound Type = iota
ErrTypeDuplicate
ErrTypeForeignKeyViolation
)
type Error struct {
Cause error
Type Type
}
func NewDAOError(t Type, cause error) error {
return &Error{
Type: t,
Cause: cause,
}
}
func (e *Error) Error() string {
if e.Cause != nil {
return fmt.Sprintf("Type %d: %s", e.Type, e.Cause.Error())
}
return fmt.Sprintf("Type %d: no cause given", e.Type)
}

43
internal/storage/dao/postgresql/database_postgresql.go Executable file
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@@ -0,0 +1,43 @@
package postgresql
import (
"database/sql"
"fmt"
"github.com/kratisto/mam-contract/internal/storage/dao"
"github.com/kratisto/mam-contract/internal/utils"
"github.com/lib/pq"
)
const (
pgCodeUniqueViolation = "23505"
pgCodeForeingKeyViolation = "23503"
)
func HandlePgError(e *pq.Error) error {
if e.Code == pgCodeUniqueViolation {
return dao.NewDAOError(dao.ErrTypeDuplicate, e)
}
if e.Code == pgCodeForeingKeyViolation {
return dao.NewDAOError(dao.ErrTypeForeignKeyViolation, e)
}
return e
}
type DatabasePostgreSQL struct {
Session *sql.DB
}
func NewDatabasePostgreSQL(connectionURI string) *DatabasePostgreSQL {
db, err := sql.Open("postgres", connectionURI)
if err != nil {
utils.GetLogger().WithError(err).Fatal("Unable to get a connection to the postgres db")
}
err = db.Ping()
if err != nil {
fmt.Println(err)
utils.GetLogger().WithError(err).Fatal("Unable to ping the postgres db")
}
return &DatabasePostgreSQL{Session: db}
}

13
internal/storage/dao/postgresql/setup.go Normal file
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@@ -0,0 +1,13 @@
package postgresql
import (
"github.com/kratisto/mam-contract/internal/utils"
)
var DatabaseKey = "POSTGRES"
func Setup(injector *utils.Injector, connectionUri string) {
database := NewDatabasePostgreSQL(connectionUri)
injector.Set(DatabaseKey, database)
}

68
internal/storage/model/error.go Normal file
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@@ -0,0 +1,68 @@
package model
import (
"fmt"
"net/http"
"github.com/lib/pq"
)
var (
// 400
ErrBadRequestFormat = APIError{
Type: "bad_format",
HTTPCode: http.StatusBadRequest,
Description: "unable to read request body, please check that the json is valid",
}
ErrDataValidation = APIError{
Type: "data_validation",
HTTPCode: http.StatusBadRequest,
Description: "the data are not valid",
}
// 404
ErrNotFound = APIError{
Type: "not_found",
HTTPCode: http.StatusNotFound,
}
// 40x
ErrAlreadyExists = APIError{
Type: "already_exists",
HTTPCode: http.StatusConflict,
}
// 50x
ErrInternalServer = APIError{
Type: "internal_server_error",
HTTPCode: http.StatusInternalServerError,
}
)
type APIError struct {
HTTPCode int `json:"-"`
Type string `json:"error"`
Description string `json:"error_description"`
Details []FieldError `json:"error_details,omitempty"`
Headers map[string][]string `json:"-"`
}
type FieldError struct {
Field string `json:"field"`
Constraint string `json:"constraint"`
Description string `json:"description"`
}
func (e *APIError) Error() string {
return fmt.Sprintf("error : %d, %s, %s, %v", e.HTTPCode, e.Type, e.Description, e.Details)
}
func FromPostgresError(err *pq.Error) *APIError {
return &APIError{
HTTPCode: 0,
Type: "",
Description: "",
Details: nil,
Headers: nil,
}
}

44
internal/storage/validators/error.go Executable file
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@@ -0,0 +1,44 @@
package validators
import (
"fmt"
"github.com/kratisto/mam-contract/internal/storage/model"
"github.com/kratisto/mam-contract/internal/utils"
"regexp"
"strings"
"gopkg.in/go-playground/validator.v9"
)
var regexpValidatorNamespacePrefix = regexp.MustCompile(`^\w+\.`)
func NewDataValidationAPIError(err error) model.APIError {
apiErr := model.ErrDataValidation
if err != nil {
if _, ok := err.(*validator.InvalidValidationError); ok {
utils.GetLogger().WithError(err).WithField("templateAPIErr", apiErr).Error("InvalidValidationError")
} else {
for _, e := range err.(validator.ValidationErrors) {
reason := e.Tag()
if _, ok := CustomValidators[e.Tag()]; ok {
reason = truncatingSprintf(CustomValidators[e.Tag()].Message, e.Param())
}
namespaceWithoutStructName := regexpValidatorNamespacePrefix.ReplaceAllString(e.Namespace(), "")
fe := model.FieldError{
Field: namespaceWithoutStructName,
Constraint: e.Tag(),
Description: reason,
}
apiErr.Details = append(apiErr.Details, fe)
}
}
}
return apiErr
}
// truncatingSprintf is used as fmt.Sprintf but allow to truncate the additional parameters given when there is more parameters than %v in str
func truncatingSprintf(str string, args ...interface{}) string {
n := strings.Count(str, "%v")
return fmt.Sprintf(str, args[:n]...)
}

34
internal/storage/validators/validators.go Executable file
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@@ -0,0 +1,34 @@
package validators
import (
"context"
"strings"
"gopkg.in/go-playground/validator.v9"
)
var (
CustomValidators = map[string]customValidator{
"enum": {
Message: "This field should be in: %v",
Validator: validateEnum,
},
"required": {
Message: "This field is required and cannot be empty",
},
}
)
type customValidator struct {
Message string
Validator validator.FuncCtx
}
func validateEnum(ctx context.Context, fl validator.FieldLevel) bool {
for _, v := range strings.Split(fl.Param(), " ") {
if v == fl.Field().String() {
return true
}
}
return false
}

8
internal/utils/headers.go Executable file
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@@ -0,0 +1,8 @@
package utils
const (
HeaderNameContentType = "content-type"
HeaderNameCorrelationID = "correlationID"
HeaderValueApplicationJSONUTF8 = "application/json; charset=UTF-8"
)

29
internal/utils/injector.go Normal file
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@@ -0,0 +1,29 @@
package utils
import "fmt"
type Injector struct {
content map[string]any
}
func (i *Injector) Get(key string) any {
val, ok := i.content[key]
if !ok {
panic(fmt.Sprintf("Can't get key %s from injector", key))
}
return val
}
func Get[T any](i *Injector, key string) T {
return i.Get(key).(T)
}
func (i *Injector) Set(key string, content any) {
if i.content == nil {
i.content = map[string]any{}
}
_, ok := i.content[key]
if ok {
panic(fmt.Sprintf("Key %s already have content", key))
}
i.content[key] = content
}

74
internal/utils/logger.go Executable file
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@@ -0,0 +1,74 @@
package utils
import (
"io"
"os"
"github.com/gin-gonic/gin"
"github.com/sirupsen/logrus"
)
const (
LogFormatText = "text"
LogFormatJSON = "json"
ContextKeyLogger = "logger"
)
var (
logLevel = logrus.DebugLevel
logFormat logrus.Formatter = &logrus.TextFormatter{}
logOut io.Writer
)
func InitLogger(ll, lf string) {
logLevel = parseLogrusLevel(ll)
logrus.SetLevel(logLevel)
logFormat = parseLogrusFormat(lf)
logrus.SetFormatter(logFormat)
logOut = os.Stdout
logrus.SetOutput(logOut)
}
func GetLoggerFromCtx(c *gin.Context) *logrus.Entry {
if logger, ok := c.Get(ContextKeyLogger); ok {
logEntry, assertionOk := logger.(*logrus.Entry)
if assertionOk {
return logEntry
}
}
return logrus.NewEntry(GetLogger())
}
func GetLogger() *logrus.Logger {
logger := logrus.New()
logger.Formatter = logFormat
logger.Level = logLevel
logger.Out = logOut
return logger
}
func parseLogrusLevel(logLevelStr string) logrus.Level {
logLevel, err := logrus.ParseLevel(logLevelStr)
if err != nil {
logrus.WithError(err).Errorf("error while parsing log level. %v is set as default.", logLevel)
logLevel = logrus.DebugLevel
}
return logLevel
}
func parseLogrusFormat(logFormatStr string) logrus.Formatter {
var formatter logrus.Formatter
switch logFormatStr {
case LogFormatText:
formatter = &logrus.TextFormatter{ForceColors: true, FullTimestamp: true}
case LogFormatJSON:
formatter = &logrus.JSONFormatter{}
default:
logrus.Errorf("error while parsing log format. %v is set as default.", formatter)
formatter = &logrus.TextFormatter{ForceColors: true, FullTimestamp: true}
}
return formatter
}

45
internal/utils/randomizer/rand.go Normal file
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@@ -0,0 +1,45 @@
package randomizer
import (
"fmt"
"math/rand"
)
type Random interface {
Int() int
}
func init() {}
type rndGenerator func(n int) int
type Randomizer struct {
fn rndGenerator
}
func NewRandomizer(fn rndGenerator) *Randomizer {
return &Randomizer{fn: fn}
}
func (r *Randomizer) Int(n int) int {
return r.fn(n)
}
func Rand(rand int) int {
return randGen(rand)
}
func realRand(n int) int { return int(rand.Intn(n)) }
func fakeRand(n int) func(numb int) int {
return func(numb int) int {
if n >= numb {
panic(fmt.Sprintf("%d Should not be superior of %d", n, numb))
}
return n
}
}
var randGen = NewRandomizer(realRand).Int
func FakeRandomizer(n int) {
randGen = NewRandomizer(fakeRand(n)).Int
}

31
internal/utils/responses.go Executable file
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@@ -0,0 +1,31 @@
package utils
import (
"encoding/json"
"github.com/kratisto/mam-contract/internal/storage/model"
"net/http"
)
func JSON(w http.ResponseWriter, status int, data interface{}) {
w.Header().Set(HeaderNameContentType, HeaderValueApplicationJSONUTF8)
w.WriteHeader(status)
if data != nil {
json.NewEncoder(w).Encode(data)
}
}
func JSONError(w http.ResponseWriter, e model.APIError) {
if e.Headers != nil {
for k, headers := range e.Headers {
for _, headerValue := range headers {
w.Header().Add(k, headerValue)
}
}
}
JSON(w, e.HTTPCode, e)
}
func JSONErrorWithMessage(w http.ResponseWriter, e model.APIError, message string) {
e.Description = message
JSONError(w, e)
}

12
internal/utils/validator/setup.go Normal file
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@@ -0,0 +1,12 @@
package validator
import (
"github.com/kratisto/mam-contract/internal/utils"
)
const ValidatorInjectorKey = "VALIDATOR"
func Setup(injector *utils.Injector) {
injector.Set(ValidatorInjectorKey, newValidator())
}

28
internal/utils/validator/validator.go Normal file
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@@ -0,0 +1,28 @@
package validator
import (
"github.com/kratisto/mam-contract/internal/storage/validators"
"gopkg.in/go-playground/validator.v9"
"reflect"
"strings"
)
func newValidator() *validator.Validate {
va := validator.New()
va.RegisterTagNameFunc(func(fld reflect.StructField) string {
name := strings.SplitN(fld.Tag.Get("json"), ",", 2)
if len(name) < 1 {
return ""
}
return name[0]
})
for k, v := range validators.CustomValidators {
if v.Validator != nil {
va.RegisterValidationCtx(k, v.Validator)
}
}
return va
}

12
liquibase/changelogs/changelog-master.xml Normal file
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@@ -0,0 +1,12 @@
<?xml version="1.0" encoding="UTF-8"?>
<databaseChangeLog xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.5.xsd">
<!-- Define default schema name used by changesets-->
<property name="schemaName" value="mam-contract"/>
<include file="prepare-database.sql" relativeToChangelogFile="true"/>
<include file="changesets/create-user-table.xml" relativeToChangelogFile="true"/>
</databaseChangeLog>

20
liquibase/changelogs/changesets/create-user-table.xml Normal file
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@@ -0,0 +1,20 @@
<?xml version="1.0" encoding="UTF-8"?>
<databaseChangeLog xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.5.xsd"
logicalFilePath="/project/changesets/init-tables.xml">
<changeSet id="create-user-table" author="kratisto">
<createTable tableName="user" schemaName="${schemaName}">
<column name="id" type="uuid" defaultValueComputed="gen_random_uuid()">
<constraints primaryKey="true" nullable="false"/>
</column>
<column name="email" type="varchar(255)">
<constraints unique="true"/>
</column>
<column name="google_user_id" type="varchar(255)">
<constraints unique="true"/>
</column>
</createTable>
</changeSet>
</databaseChangeLog>

7
liquibase/changelogs/liquibase.properties Normal file
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@@ -0,0 +1,7 @@
classpath: /workspace/postgresql-42.2.5.jar
driver: org.postgresql.Driver
url: jdbc:postgresql://database:5432/postgres
username: postgres
password: password
changeLogFile: changelog-master.xml
logLevel: info

2
liquibase/changelogs/prepare-database.sql Executable file
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@@ -0,0 +1,2 @@
CREATE SCHEMA IF NOT EXISTS workScheduler;
CREATE EXTENSION IF NOT EXISTS pgcrypto;

7
main.go Normal file
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@@ -0,0 +1,7 @@
package main
import "github.com/kratisto/mam-contract/cmd"
func main() {
cmd.Execute()
}