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common.go
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common.go
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// Copyright (c) 2020 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package resources
import (
"bytes"
"errors"
"fmt"
"io/ioutil"
"net/http"
"os"
"github.com/m3db/m3/src/x/instrument"
"github.com/gogo/protobuf/jsonpb"
"github.com/gogo/protobuf/proto"
dockertest "github.com/ory/dockertest"
dc "github.com/ory/dockertest/docker"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
var (
networkName = "d-test"
volumeName = "d-test"
errClosed = errors.New("container has been closed")
)
func zapMethod(s string) zapcore.Field { return zap.String("method", s) }
type dockerResourceOptions struct {
overrideDefaults bool
source string
containerName string
dockerFile string
portList []int
mounts []string
iOpts instrument.Options
}
// NB: this will fill unset fields with given default values.
func (o dockerResourceOptions) withDefaults(
defaultOpts dockerResourceOptions) dockerResourceOptions {
if o.overrideDefaults {
return o
}
if len(o.source) == 0 {
o.source = defaultOpts.source
}
if len(o.containerName) == 0 {
o.containerName = defaultOpts.containerName
}
if len(o.dockerFile) == 0 {
o.dockerFile = defaultOpts.dockerFile
}
if len(o.portList) == 0 {
o.portList = defaultOpts.portList
}
if len(o.mounts) == 0 {
o.mounts = defaultOpts.mounts
}
if o.iOpts == nil {
o.iOpts = defaultOpts.iOpts
}
return o
}
func newOptions(name string) *dockertest.RunOptions {
return &dockertest.RunOptions{
Name: name,
NetworkID: networkName,
}
}
func setupNetwork(pool *dockertest.Pool) error {
networks, err := pool.Client.ListNetworks()
if err != nil {
return err
}
for _, n := range networks {
if n.Name == networkName {
if err := pool.Client.RemoveNetwork(networkName); err != nil {
return err
}
break
}
}
_, err = pool.Client.CreateNetwork(dc.CreateNetworkOptions{Name: networkName})
return err
}
func setupVolume(pool *dockertest.Pool) error {
volumes, err := pool.Client.ListVolumes(dc.ListVolumesOptions{})
if err != nil {
return err
}
for _, v := range volumes {
if volumeName == v.Name {
if err := pool.Client.RemoveVolume(volumeName); err != nil {
return err
}
break
}
}
_, err = pool.Client.CreateVolume(dc.CreateVolumeOptions{
Name: volumeName,
})
return err
}
func exposePorts(
opts *dockertest.RunOptions,
portList []int,
) *dockertest.RunOptions {
ports := make(map[dc.Port][]dc.PortBinding, len(portList))
for _, p := range portList {
port := fmt.Sprintf("%d", p)
portRepresentation := dc.Port(fmt.Sprintf("%s/tcp", port))
binding := dc.PortBinding{HostIP: "0.0.0.0", HostPort: port}
entry, found := ports[portRepresentation]
if !found {
entry = []dc.PortBinding{binding}
} else {
entry = append(entry, binding)
}
ports[portRepresentation] = entry
}
opts.PortBindings = ports
return opts
}
func getDockerfile(file string) string {
src, _ := os.Getwd()
return fmt.Sprintf("%s/%s", src, file)
}
func toResponse(
resp *http.Response,
response proto.Message,
logger *zap.Logger,
) error {
b, err := ioutil.ReadAll(resp.Body)
if err != nil {
logger.Error("could not read body", zap.Error(err))
return err
}
defer resp.Body.Close()
if resp.StatusCode/100 != 2 {
logger.Error("status code not 2xx",
zap.Int("status code", resp.StatusCode),
zap.String("status", resp.Status))
return fmt.Errorf("status code %d", resp.StatusCode)
}
err = jsonpb.Unmarshal(bytes.NewReader(b), response)
if err != nil {
logger.Error("unable to unmarshal response",
zap.Error(err),
zap.Any("response", response))
return err
}
return nil
}