func (s *upgradeSuite) TestUpgradeOperationsOrdered(c *gc.C) {
var previous version.Number
for i, utv := range (*upgrades.UpgradeOperations)() {
vers := utv.TargetVersion()
if i > 0 {
c.Check(previous.Compare(vers), gc.Equals, -1)
}
previous = vers
}
}
func checkUpgradeInfoSanity(st *State, machineId string, previousVersion, targetVersion version.Number) (bson.D, error) {
if previousVersion.Compare(targetVersion) != -1 {
return nil, errors.Errorf("cannot sanely upgrade from %s to %s", previousVersion, targetVersion)
}
controllerInfo, err := st.ControllerInfo()
if err != nil {
return nil, errors.Annotate(err, "cannot read controllers")
}
validIds := set.NewStrings(controllerInfo.MachineIds...)
if !validIds.Contains(machineId) {
return nil, errors.Errorf("machine %q is not a controller", machineId)
}
return assertExpectedVersions(previousVersion, targetVersion), nil
}
// Newest returns the greatest version in src, and the tools with that version.
func (src List) Newest() (version.Number, List) {
var result List
var best version.Number
for _, tools := range src {
if best.Compare(tools.Version.Number) < 0 {
// Found new best number; reset result list.
best = tools.Version.Number
result = append(result[:0], tools)
} else if tools.Version.Number == best {
result = append(result, tools)
}
}
return best, result
}
func newOpsIterator(from, to version.Number, ops []Operation) *opsIterator {
// If from is not known, it is 1.16.
if from == version.Zero {
from = version.MustParse("1.16.0")
}
// Clear the version tag of the target release to ensure that all
// upgrade steps for the release are run for alpha and beta
// releases.
// ...but only do this if the agent version has actually changed,
// lest we trigger upgrade mode unnecessarily for non-final
// versions.
if from.Compare(to) != 0 {
to.Tag = ""
}
return &opsIterator{
from: from,
to: to,
allOps: ops,
current: -1,
}
}
func isCompatibleVersion(v1, v2 version.Number) bool {
v1.Build = 0
v2.Build = 0
return v1.Compare(v2) == 0
}
// IsDev returns whether the version represents a development version. A
// version with a tag or a nonzero build component is considered to be a
// development version. Versions older than or equal to 1.19.3 (the switch
// over time) check for odd minor versions.
func IsDev(v semversion.Number) bool {
if v.Compare(switchOverVersion) <= 0 {
return isOdd(v.Minor) || v.Build > 0
}
return v.Tag != "" || v.Build > 0
}