// ensureDependencies creates a set of install packages using AptGetPreparePackages
// and runs each set of packages through AptGetInstall
func ensureDependencies(series string) error {
var err error
aptGetInstallCommandList := apt.GetPreparePackages(requiredPackages, series)
for _, commands := range aptGetInstallCommandList {
err = apt.GetInstall(commands...)
if err != nil {
return err
}
}
return err
}
func aptGetInstallMongod() error {
// Only Quantal requires the PPA.
if version.Current.Series == "quantal" {
if err := addAptRepository("ppa:juju/stable"); err != nil {
return err
}
}
pkg := packageForSeries(version.Current.Series)
cmds := apt.GetPreparePackages([]string{pkg}, version.Current.Series)
logger.Infof("installing %s", pkg)
for _, cmd := range cmds {
if err := apt.GetInstall(cmd...); err != nil {
return err
}
}
return nil
}
func addAptRepository(name string) error {
// add-apt-repository requires python-software-properties
cmds := apt.GetPreparePackages(
[]string{"python-software-properties"},
version.Current.Series,
)
logger.Infof("installing python-software-properties")
for _, cmd := range cmds {
if err := apt.GetInstall(cmd...); err != nil {
return err
}
}
logger.Infof("adding apt repository %q", name)
cmd := exec.Command("add-apt-repository", "-y", name)
out, err := cmd.CombinedOutput()
if err != nil {
return fmt.Errorf("cannot add apt repository: %v (output %s)", err, bytes.TrimSpace(out))
}
return nil
}
func (s *AptSuite) TestAptGetPreparePackages(c *gc.C) {
packagesList := apt.GetPreparePackages([]string{"lxc", "bridge-utils", "git", "mongodb"}, "precise")
c.Assert(packagesList[0], gc.DeepEquals, []string{"--target-release", "precise-updates/cloud-tools", "lxc", "mongodb"})
c.Assert(packagesList[1], gc.DeepEquals, []string{"bridge-utils", "git"})
}