Feb 1, 2022 · Feb 1, 2022 · Feb 1, 2022 · Feb 1, 2022 · Feb 1, 2022 · Feb 1, 2022
diff --git a/.github/workflows/coder.yaml b/.github/workflows/coder.yaml
        run:
          DB=true gotestsum --jsonfile="gotests.json" --packages="./..." --
          -covermode=atomic -coverprofile="gotests.coverage" -timeout=3m
          -count=1 -race -parallel=1
          -count=1 -race -parallel=2

      - uses: codecov/codecov-action@v2
        if: github.actor != 'dependabot[bot]'
diff --git a/database/postgres/postgres.go b/database/postgres/postgres.go
 "database/sql"
 "fmt"
 "io/ioutil"
 "net"
 "os"
 "time"

 if err != nil {
 return "", nil, xerrors.Errorf("create tempdir: %w", err)
 }
 // Pick an explicit port on the host to connect to 5432.
 // This is necessary so we can configure the port to only use ipv4.
 port, err := getFreePort()
 if err != nil {
 return "", nil, xerrors.Errorf("Unable to get free port: %w", err)
 }

 resource, err := pool.RunWithOptions(&dockertest.RunOptions{
 Repository: "postgres",
 Tag:        "11",
 "PGDATA=/tmp",
 "listen_addresses = '*'",
 },
 PortBindings: map[docker.Port][]docker.PortBinding{
 "5432/tcp": {{
 // Manually specifying a host IP tells Docker just to use an IPV4 address.
 // If we don't do this, we hit a fun bug:
 // https://github.com/moby/moby/issues/42442
 // where the ipv4 and ipv6 ports might be _different_ and collide with other running docker containers.
 HostIP:   "0.0.0.0",
 HostPort: fmt.Sprintf("%d", port)}},
 },
 Mounts: []string{
 // The postgres image has a VOLUME parameter in it's image.
 // If we don't mount at this point, Docker will allocate a
 _ = os.RemoveAll(tempDir)
 }, nil
 }

 // getFreePort asks the kernel for a free open port that is ready to use.
 func getFreePort() (port int, err error) {
 // Binding to port 0 tells the OS to grab a port for us:
 // https://stackoverflow.com/questions/1365265/on-localhost-how-do-i-pick-a-free-port-number
 listener, err := net.Listen("tcp", "localhost:0")
 if err != nil {
 return 0, err
 }

 defer listener.Close()
 return listener.Addr().(*net.TCPAddr).Port, nil
 }
Original file line number	Diff line number	Diff line change
Expand Up		@@ -164,7 +164,7 @@ jobs:
		run:
		DB=true gotestsum --jsonfile="gotests.json" --packages="./..." --
		-covermode=atomic -coverprofile="gotests.coverage" -timeout=3m
		-count=1 -race -parallel=1
		-count=1 -race -parallel=2

		- uses: codecov/codecov-action@v2
		if: github.actor != 'dependabot[bot]'
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -4,6 +4,7 @@ import (
		"database/sql"
		"fmt"
		"io/ioutil"
		"net"
		"os"
		"time"

Expand All		@@ -22,6 +23,13 @@ func Open() (string, func(), error) {
		if err != nil {
		return "", nil, xerrors.Errorf("create tempdir: %w", err)
		}
		// Pick an explicit port on the host to connect to 5432.
		// This is necessary so we can configure the port to only use ipv4.
		port, err := getFreePort()
		if err != nil {
		return "", nil, xerrors.Errorf("Unable to get free port: %w", err)
		}

		resource, err := pool.RunWithOptions(&dockertest.RunOptions{
		Repository: "postgres",
		Tag: "11",
Expand All		@@ -33,6 +41,15 @@ func Open() (string, func(), error) {
		"PGDATA=/tmp",
		"listen_addresses = '*'",
		},
		PortBindings: map[docker.Port][]docker.PortBinding{
		"5432/tcp": {{
		// Manually specifying a host IP tells Docker just to use an IPV4 address.
		// If we don't do this, we hit a fun bug:
		// https://github.com/moby/moby/issues/42442
		// where the ipv4 and ipv6 ports might be _different_ and collide with other running docker containers.
		HostIP: "0.0.0.0",
		HostPort: fmt.Sprintf("%d", port)}},
		},
		Mounts: []string{
		// The postgres image has a VOLUME parameter in it's image.
		// If we don't mount at this point, Docker will allocate a
Expand DownExpand Up		@@ -76,3 +93,16 @@ func Open() (string, func(), error) {
		_ = os.RemoveAll(tempDir)
		}, nil
		}

		// getFreePort asks the kernel for a free open port that is ready to use.
		func getFreePort() (port int, err error) {
		// Binding to port 0 tells the OS to grab a port for us:
		// https://stackoverflow.com/questions/1365265/on-localhost-how-do-i-pick-a-free-port-number
		listener, err := net.Listen("tcp", "localhost:0")
		if err != nil {
		return 0, err
		}

		defer listener.Close()
		return listener.Addr().(*net.TCPAddr).Port, nil
		}