open-vault/vendor/gopkg.in/ory-am/dockertest.v2/nsq.go
Jeff Mitchell 80dc5819d3 Use dockertest.v2 (#2247)
New dockertest has a totally different API and will require some serious
refactoring. This will tide over until then by pinning the API version.
2017-01-09 13:46:54 -05:00

91 lines
3.4 KiB
Go

package dockertest
import (
"errors"
"fmt"
"log"
"time"
)
// SetupNSQdContainer sets up a real NSQ instance for testing purposes
// using a Docker container and executing `/nsqd`. It returns the container ID and its IP address,
// or makes the test fail on error.
func SetupNSQdContainer() (c ContainerID, ip string, tcpPort int, httpPort int, err error) {
// --name nsqd -p 4150:4150 -p 4151:4151 nsqio/nsq /nsqd --broadcast-address=192.168.99.100 --lookupd-tcp-address=192.168.99.100:4160
tcpPort = RandomPort()
httpPort = RandomPort()
tcpForward := fmt.Sprintf("%d:%d", tcpPort, 4150)
if BindDockerToLocalhost != "" {
tcpForward = "127.0.0.1:" + tcpForward
}
httpForward := fmt.Sprintf("%d:%d", httpPort, 4151)
if BindDockerToLocalhost != "" {
httpForward = "127.0.0.1:" + httpForward
}
c, ip, err = SetupContainer(NSQImageName, tcpPort, 15*time.Second, func() (string, error) {
return run("--name", GenerateContainerID(), "-d", "-P", "-p", tcpForward, "-p", httpForward, NSQImageName, "/nsqd", fmt.Sprintf("--broadcast-address=%s", ip), fmt.Sprintf("--lookupd-tcp-address=%s:4160", ip))
})
return
}
// SetupNSQLookupdContainer sets up a real NSQ instance for testing purposes
// using a Docker container and executing `/nsqlookupd`. It returns the container ID and its IP address,
// or makes the test fail on error.
func SetupNSQLookupdContainer() (c ContainerID, ip string, tcpPort int, httpPort int, err error) {
// docker run --name lookupd -p 4160:4160 -p 4161:4161 nsqio/nsq /nsqlookupd
tcpPort = RandomPort()
httpPort = RandomPort()
tcpForward := fmt.Sprintf("%d:%d", tcpPort, 4160)
if BindDockerToLocalhost != "" {
tcpForward = "127.0.0.1:" + tcpForward
}
httpForward := fmt.Sprintf("%d:%d", httpPort, 4161)
if BindDockerToLocalhost != "" {
httpForward = "127.0.0.1:" + httpForward
}
c, ip, err = SetupContainer(NSQImageName, tcpPort, 15*time.Second, func() (string, error) {
return run("--name", GenerateContainerID(), "-d", "-P", "-p", tcpForward, "-p", httpForward, NSQImageName, "/nsqlookupd")
})
return
}
// ConnectToNSQLookupd starts a NSQ image with `/nsqlookupd` running and passes the IP, HTTP port, and TCP port to the connector callback function.
// The url will match the ip pattern (e.g. 123.123.123.123).
func ConnectToNSQLookupd(tries int, delay time.Duration, connector func(ip string, httpPort int, tcpPort int) bool) (c ContainerID, err error) {
c, ip, tcpPort, httpPort, err := SetupNSQLookupdContainer()
if err != nil {
return c, fmt.Errorf("Could not set up NSQLookupd container: %v", err)
}
for try := 0; try <= tries; try++ {
time.Sleep(delay)
if connector(ip, httpPort, tcpPort) {
return c, nil
}
log.Printf("Try %d failed. Retrying.", try)
}
return c, errors.New("Could not set up NSQLookupd container.")
}
// ConnectToNSQd starts a NSQ image with `/nsqd` running and passes the IP, HTTP port, and TCP port to the connector callback function.
// The url will match the ip pattern (e.g. 123.123.123.123).
func ConnectToNSQd(tries int, delay time.Duration, connector func(ip string, httpPort int, tcpPort int) bool) (c ContainerID, err error) {
c, ip, tcpPort, httpPort, err := SetupNSQdContainer()
if err != nil {
return c, fmt.Errorf("Could not set up NSQd container: %v", err)
}
for try := 0; try <= tries; try++ {
time.Sleep(delay)
if connector(ip, httpPort, tcpPort) {
return c, nil
}
log.Printf("Try %d failed. Retrying.", try)
}
return c, errors.New("Could not set up NSQd container.")
}