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googlecomputengine: add template for script

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Signed-off-by: Johan Euphrosine <proppy@google.com>
This commit is contained in:
Johan Euphrosine
2014-12-16 17:00:57 -08:00
committed by Dan Lorenc
parent 17536555b1
commit 941ddb1a91
1 changed files with 30 additions and 22 deletions
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52
drivers/googlecomputeengine/compute_util.go
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@@ -1,8 +1,11 @@
package googlecomputeengine
import (
"bytes"
"fmt"
"io/ioutil"
"strings"
"text/template"
"time"
log "github.com/Sirupsen/logrus"
@@ -24,22 +27,27 @@ type ComputeUtil struct {
}
const (
apiURL = "https://www.googleapis.com/compute/v1/projects/"
imageName = "https://www.googleapis.com/compute/v1/projects/google-containers/global/images/container-vm-v20141016"
firewallRule = "docker-machines"
port = "2376"
firewallTargetTag = "docker-machine"
apiURL = "https://www.googleapis.com/compute/v1/projects/"
imageName = "https://www.googleapis.com/compute/v1/projects/google-containers/global/images/container-vm-v20141016"
firewallRule = "docker-machines"
port = "2376"
firewallTargetTag = "docker-machine"
dockerStartCommand = "sudo service docker start"
dockerStopCommand = "sudo service docker stop"
)
const (
stopDocker = "sudo service docker stop"
makeKeysDir = "sudo mkdir -p /.docker/authorized-keys.d/"
setKeysDirPermissions = "sudo chown -R %v /.docker"
waitForDockerToStop = "while [ -e /var/run/docker.pid ]; do sleep 1; done"
setDockerOpts = "sudo sed -i 's/DOCKER_OPTS=.*/DOCKER_OPTS=\"--auth=identity -H unix:\\/\\/\\/var\\/run\\/docker.sock -H 0.0.0.0:2376\"/g' /etc/default/docker"
downloadDocker = "sudo wget https://bfirsh.s3.amazonaws.com/docker/docker-1.3.1-dev-identity-auth -O /usr/bin/docker && sudo chmod +x /usr/bin/docker"
var (
dockerUpgradeScriptTemplate = template.Must(template.New("upgrade-docker-script").Parse(
`sudo mkdir -p /.docker/authorized-keys.d/
sudo chown -R {{ .Username }} /.docker
while [ -e /var/run/docker.pid ]; do sleep 1; done
sudo sed -i 's/DOCKER_OPTS=.*/DOCKER_OPTS=\"--auth=identity -H unix:\\/\\/\\/var\\/run\\/docker.sock -H 0.0.0.0:2376\"/g' /etc/default/docker
sudo wget https://bfirsh.s3.amazonaws.com/docker/docker-1.3.1-dev-identity-auth -O /usr/bin/docker && sudo chmod +x /usr/bin/docker
`))
)
const ()
// NewComputeUtil creates and initializes a ComputeUtil.
func newComputeUtil(driver *Driver) (*ComputeUtil, error) {
service, err := newGCEService(driver.storePath)
@@ -220,22 +228,22 @@ func (c *ComputeUtil) updateDocker(d *Driver) error {
if err != nil {
return fmt.Errorf("error retrieving ip: %v", err)
}
commands := []string{
stopDocker,
// The user will need to copy their key to this directory.
makeKeysDir,
fmt.Sprintf(setKeysDirPermissions, d.UserName),
// Wait for docker to actually stop before modifying the config.
waitForDockerToStop,
setDockerOpts,
downloadDocker}
if c.executeCommands([]string{dockerStopCommand}, ip, d.sshKeyPath); err != nil {
return err
}
var scriptBuf bytes.Buffer
if err := dockerUpgradeScriptTemplate.Execute(&scriptBuf, d); err != nil {
return fmt.Errorf("error expanding upgrade script template: %v", err)
}
commands := strings.Split(scriptBuf.String(), "\n")
if err := c.executeCommands(commands, ip, d.sshKeyPath); err != nil {
return err
}
if err := drivers.AddPublicKeyToAuthorizedHosts(d, "/.docker/authorized-keys.d"); err != nil {
return err
}
return c.executeCommands([]string{"sudo service docker start"}, ip, d.sshKeyPath)
return c.executeCommands([]string{dockerStartCommand}, ip, d.sshKeyPath)
}
func (c *ComputeUtil) executeCommands(commands []string, ip, sshKeyPath string) error {