Resolve "run docker in tests"

.deadlines.yml

@@ -1,3 +1,10 @@
+- group:    Dockertest
+  start:    18-03-2021 21:45
+  deadline: 04-04-2021 23:59
+  tasks:
+    - task: dockertest
+      score: 0
+
 - group:    Concurrency with shared memory
   start:    18-03-2021 21:45
   deadline: 28-03-2021 23:59

.gitlab-ci.yml

@@ -1,5 +1,11 @@
 grade:
   image: eu.gcr.io/shad-ts/grader/go
+  variables:
+    DOCKER_HOST: tcp://docker:2375/
+    DOCKER_TLS_CERTDIR: ""
+    APP_HOST: docker
+  services:
+    - docker:dind
   script:
     - testtool grade
   timeout: 10 minutes

.releaser-ci.yml

@@ -1,5 +1,11 @@
 check:
   image: eu.gcr.io/shad-ts/grader/go-build
+  variables:
+    DOCKER_HOST: tcp://docker:2375/
+    DOCKER_TLS_CERTDIR: ""
+    APP_HOST: docker
+  services:
+    - docker:dind
   script:
     - rm -rf lectures/ # do not run tests from lecture examples
     - golangci-lint run --build-tags private,solution ./...
@@ -7,8 +13,6 @@ check:
     - go test -v -race -tags private,solution ./...
 
 rebuild-base-image:
-  only:
-    - master
   tags:
     - docker
   when: manual

build.docker

@@ -5,3 +5,6 @@ RUN apt-get update && apt-get install -y \
  && rm -rf /var/lib/apt/lists/*
 
 RUN curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.23.6
+RUN curl -L "https://github.com/docker/compose/releases/download/1.28.5/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
+RUN chmod +x /usr/local/bin/docker-compose
+RUN curl -fsSL https://get.docker.com | sh

dockertest/README.md

@@ -0,0 +1,86 @@
+## dockertest
+
+Это не настоящая задача, а заготовка на будущее.
+
+### Что нужно сделать?
+
+Установить docker и добиться успешного **локального** запуска тестов
+```
+go test -v ./dockertest/... -count=1
+```
+
+Только **после того, как тесты пройдут локально** можете запушить решение в систему.
+
+### С чего начать?
+
+#### Установить docker
+
+https://docs.docker.com/engine/install/
+
+После стандартной процедуры установки на Linux будет создана группа `docker`.
+Чтобы использовать docker cli без sudo, нужно добавить себя в эту группу:
+```
+sudo groupadd docker
+```
+Для проверки можно запустить
+```
+docker run hello-world
+```
+
+#### Установить docker-compose
+
+https://docs.docker.com/compose/install/
+
+#### Запустить контейнеры не через тесты
+
+В директории `dockertest` выполнить
+```
+docker-compose up
+```
+
+### Что делать, если сразу не заработало?
+
+Поискать решение проблемы в интернете.
+
+Если решение найдено, и проблема выглядит общей, сделать merge request с улучшением README.
+
+Если интернет не помог, спросить в чате.
+
+### docker-compose cheat sheet
+
+Запустить все контейнеры в daemon режиме пересобрав образы:
+```
+docker-compose up -d --build
+```
+
+Остановить все контейнеры:
+```
+docker-compose down
+```
+
+### Docker cheat sheet
+
+Получить список образов
+```
+docker images
+```
+
+Список всех контейнеров:
+```
+docker ps -a
+```
+
+Остановить контейнер:
+```
+docker stop <NAME>
+```
+
+Удалить контейнер:
+```
+docker rm <NAME>
+```
+
+Удалить образ:
+```
+docker rmi <NAME>
+```

dockertest/docker-compose.yaml

@@ -0,0 +1,32 @@
+version: '3'
+services:
+  pg:
+    build: ./postgres/
+    environment:
+      POSTGRES_DB: test
+      POSTGRES_USER: gopher
+      POSTGRES_PASSWORD: pass
+    ports:
+      - 5432:5432
+
+  redis:
+    image: "redis:alpine"
+    hostname: redis
+    ports:
+      - "6379:6379"
+
+  prometheus:
+    image: prom/prometheus:latest
+    container_name: prometheus
+    ports:
+      - 9090:9090
+
+  grafana:
+    image: grafana/grafana:latest
+    container_name: grafana
+    environment:
+      - GF_SECURITY_ADMIN_USER=gopher
+      - GF_SECURITY_ADMIN_PASSWORD=pass
+      - GF_USERS_ALLOW_SIGN_UP=false
+    ports:
+      - 3000:3000

dockertest/docker_test.go

@@ -0,0 +1,109 @@
+package dockertest
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+	"net"
+	"os"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/cenkalti/backoff"
+	"github.com/go-redis/redis"
+	"github.com/google/uuid"
+	_ "github.com/lib/pq"
+	"github.com/stretchr/testify/require"
+	tc "github.com/testcontainers/testcontainers-go"
+)
+
+var (
+	postgresDB *sql.DB
+	redisDB    *redis.Client
+)
+
+func TestMain(m *testing.M) {
+	path := "./docker-compose.yaml"
+	compose, err := StartDockerCompose(path)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	host := os.Getenv("APP_HOST")
+	if err = Retry(func() error {
+		postgresDB, err = sql.Open("postgres", fmt.Sprintf("postgres://%s:%s@%s:%s/%s?sslmode=disable", "gopher", "pass", host, "5432", "test"))
+		if err != nil {
+			return err
+		}
+		return postgresDB.Ping()
+	}); err != nil {
+		log.Fatalf("could not connect to postgres: %s", err)
+	}
+
+	if err = Retry(func() error {
+		redisDB = redis.NewClient(&redis.Options{
+			Addr: net.JoinHostPort(host, "6379"),
+		})
+
+		return redisDB.Ping().Err()
+	}); err != nil {
+		log.Fatalf("could not connect to redis: %s", err)
+	}
+
+	code := m.Run()
+
+	if err := compose.Down().Error; err != nil {
+		log.Fatalf("could not stop containers from %v: %v", path, err)
+	}
+
+	os.Exit(code)
+}
+
+func StartDockerCompose(paths ...string) (*tc.LocalDockerCompose, error) {
+	id := strings.ToLower(uuid.New().String())
+
+	compose := tc.NewLocalDockerCompose(paths, id)
+	execError := compose.
+		WithCommand([]string{"up", "-d"}).
+		Invoke()
+
+	err := execError.Error
+	if err != nil {
+		return nil, fmt.Errorf("could not start containers from %v: %v", paths, err)
+	}
+
+	return compose, nil
+}
+
+func Retry(f func() error) error {
+	b := backoff.NewExponentialBackOff()
+	b.MaxInterval = time.Second * 5
+	b.MaxElapsedTime = time.Minute
+
+	return backoff.Retry(f, b)
+}
+
+func TestPostgres(t *testing.T) {
+	rows, err := postgresDB.Query(`SELECT table_name
+FROM information_schema.tables
+WHERE table_schema = 'public'
+`)
+	require.NoError(t, err)
+
+	var table string
+	for rows.Next() {
+		err := rows.Scan(&table)
+		require.NoError(t, err)
+		t.Logf("table: %s", table)
+	}
+
+	require.NoError(t, rows.Err())
+}
+
+func TestRedis(t *testing.T) {
+	cmd := redisDB.ClientList()
+	require.NoError(t, cmd.Err())
+
+	t.Logf("value: %v", cmd.Val())
+}

dockertest/postgres/Dockerfile

@@ -0,0 +1,3 @@
+FROM postgres:latest
+
+COPY init.sql /docker-entrypoint-initdb.d/10-init.sql

dockertest/postgres/init.sql

@@ -0,0 +1,7 @@
+create table Role(
+    RoleID SERIAL PRIMARY KEY,
+    RoleName varchar(50)
+);
+
+insert into Role(RoleName)
+values ('Admin'),('User');

go.mod

@@ -5,33 +5,37 @@ go 1.16
 require (
 	github.com/ClickHouse/clickhouse-go v1.4.0
 	github.com/DATA-DOG/go-sqlmock v1.4.1
-	github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6 // indirect
+	github.com/alicebob/miniredis/v2 v2.14.3
-	github.com/coreos/go-etcd v2.0.0+incompatible // indirect
+	github.com/cenkalti/backoff v2.2.1+incompatible
-	github.com/cpuguy83/go-md2man v1.0.10 // indirect
+	github.com/go-redis/redis v6.15.9+incompatible
-	github.com/davecgh/go-spew v1.1.1
+	github.com/go-redis/redis/v7 v7.4.0
-	github.com/go-redis/redis v6.15.7+incompatible
 	github.com/go-resty/resty/v2 v2.1.0
 	github.com/gofrs/uuid v3.2.0+incompatible
 	github.com/golang/mock v1.4.1
+	github.com/gomodule/redigo v1.8.4
 	github.com/google/go-cmp v0.4.0
+	github.com/google/uuid v1.2.0
 	github.com/gorilla/handlers v1.4.2
 	github.com/gorilla/mux v1.7.4
 	github.com/gorilla/websocket v1.4.2
 	github.com/jackc/pgx/v4 v4.6.0
 	github.com/jmoiron/sqlx v1.2.0
 	github.com/jonboulle/clockwork v0.1.0
+	github.com/lib/pq v1.10.0
 	github.com/spf13/cobra v1.1.3
 	github.com/spf13/pflag v1.0.5
-	github.com/stretchr/testify v1.5.1
+	github.com/stretchr/testify v1.7.0
-	github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8 // indirect
+	github.com/syndtr/goleveldb v1.0.0
-	github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77 // indirect
+	github.com/testcontainers/testcontainers-go v0.9.0
+	go.etcd.io/bbolt v1.3.2
 	go.uber.org/goleak v1.0.0
 	go.uber.org/zap v1.14.0
-	golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7
+	golang.org/x/net v0.0.0-20190923162816-aa69164e4478
 	golang.org/x/perf v0.0.0-20191209155426-36b577b0eb03
 	golang.org/x/sync v0.0.0-20190423024810-112230192c58
 	golang.org/x/sys v0.0.0-20200409092240-59c9f1ba88fa
 	golang.org/x/tools v0.0.0-20200125223703-d33eef8e6825
-	gopkg.in/src-d/go-git.v4 v4.13.1 // indirect
+	gopkg.in/src-d/go-git.v4 v4.13.1
 	gopkg.in/yaml.v2 v2.4.0
+	gopl.io v0.0.0-20200323155855-65c318dde95e
 )

go.sum

@@ -12,6 +12,8 @@ cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqCl
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8=
+github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
@@ -20,38 +22,55 @@ github.com/ClickHouse/clickhouse-go v1.4.0/go.mod h1:EaI/sW7Azgz9UATzd5ZdZHRUhHg
 github.com/DATA-DOG/go-sqlmock v1.4.1 h1:ThlnYciV1iM/V0OSF/dtkqWb6xo5qITT1TJBG1MRDJM=
 github.com/DATA-DOG/go-sqlmock v1.4.1/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
 github.com/GoogleCloudPlatform/cloudsql-proxy v0.0.0-20190129172621-c8b1d7a94ddf/go.mod h1:aJ4qN3TfrelA6NZ6AXsXRfmEVaYin3EDbSPJrKS8OXo=
+github.com/Microsoft/go-winio v0.4.11 h1:zoIOcVf0xPN1tnMVbTtEdI+P8OofVk3NObnwOQ6nK2Q=
+github.com/Microsoft/go-winio v0.4.11/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA=
+github.com/Microsoft/hcsshim v0.8.6 h1:ZfF0+zZeYdzMIVMZHKtDKJvLHj76XCuVae/jNkjj0IA=
+github.com/Microsoft/hcsshim v0.8.6/go.mod h1:Op3hHsoHPAvb6lceZHDtd9OkTew38wNoXnJs8iY7rUg=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/aclements/go-gg v0.0.0-20170118225347-6dbb4e4fefb0/go.mod h1:55qNq4vcpkIuHowELi5C8e+1yUHtoLoOUR9QU5j7Tes=
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 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alicebob/gopher-json v0.0.0-20200520072559-a9ecdc9d1d3a h1:HbKu58rmZpUGpz5+4FfNmIU+FmZg2P3Xaj2v2bfNWmk=
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+github.com/alicebob/miniredis/v2 v2.14.3 h1:QWoo2wchYmLgOB6ctlTt2dewQ1Vu6phl+iQbwT8SYGo=
+github.com/alicebob/miniredis/v2 v2.14.3/go.mod h1:gquAfGbzn92jvtrSC69+6zZnwSODVXVpYDRaGhWaL6I=
+github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239 h1:kFOfPq6dUM1hTo4JG6LR5AXSUEsOjtdm0kw0FtQtMJA=
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 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
-github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
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@@ -59,27 +78,48 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
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@@ -91,6 +131,12 @@ github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt
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@@ -102,16 +148,22 @@ github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5a
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@@ -139,6 +191,8 @@ github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO
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@@ -153,6 +207,7 @@ github.com/jackc/pgconn v1.5.0 h1:oFSOilzIZkyg787M1fEmyMfOUUvwj0daqYMfaWwNL4o=
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@@ -189,6 +244,7 @@ github.com/jmoiron/sqlx v1.2.0/go.mod h1:1FEQNm3xlJgrMD+FBdI9+xvCksHtbpVBBw5dYhB
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@@ -197,6 +253,7 @@ github.com/kevinburke/ssh_config v0.0.0-20190725054713-01f96b0aa0cd/go.mod h1:CT
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@@ -205,10 +262,12 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
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@@ -329,8 +416,6 @@ go.uber.org/zap v1.14.0 h1:/pduUoebOeeJzTDFuoMgC6nRkiasr1sBCIEorly7m4o=
 go.uber.org/zap v1.14.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
-golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
-golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190219172222-a4c6cb3142f2/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
@@ -364,6 +449,7 @@ golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
 golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
 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 v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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 golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -375,13 +461,12 @@ golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
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-golang.org/x/net v0.0.0-20190620200207-3b0461eec859 h1:R/3boaszxrf1GEUWTVDzSKVwLmSJpwZ1yqXm8j0v2QI=
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@@ -397,10 +482,11 @@ golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJ
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@@ -415,6 +501,8 @@ golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -423,8 +511,11 @@ golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3
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@@ -452,7 +543,6 @@ golang.org/x/tools v0.0.0-20200125223703-d33eef8e6825/go.mod h1:TB2adYChydJhpapK
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@@ -474,36 +564,50 @@ google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRn
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