func mainCmd(r ring.Ring, b *ring.Builder) error {
if r != nil {
// TODO:
// Version Info (the value as well as the time translation)
// Number of tier levels
// Replica count
// Indication of how risky the assignments are:
// Replicas not in distinct tiers, nodes
s := r.Stats()
report := [][]string{
[]string{brimtext.ThousandsSep(int64(s.PartitionCount), ","), "Partitions"},
[]string{brimtext.ThousandsSep(int64(s.PartitionBitCount), ","), "Partition Bits"},
[]string{brimtext.ThousandsSep(int64(s.NodeCount), ","), "Nodes"},
[]string{brimtext.ThousandsSep(int64(s.InactiveNodeCount), ","), "Inactive Nodes"},
[]string{brimtext.ThousandsSepU(s.TotalCapacity, ","), "Total Node Capacity"},
[]string{fmt.Sprintf("%.02f%%", s.MaxUnderNodePercentage), fmt.Sprintf("Worst Underweight Node (ID %016x)", s.MaxUnderNodeID)},
[]string{fmt.Sprintf("%.02f%%", s.MaxOverNodePercentage), fmt.Sprintf("Worst Overweight Node (ID %016x)", s.MaxOverNodeID)},
}
reportOpts := brimtext.NewDefaultAlignOptions()
reportOpts.Alignments = []brimtext.Alignment{brimtext.Right, brimtext.Left}
fmt.Print(brimtext.Align(report, reportOpts))
}
if b != nil {
// TODO:
// Inactive node count
// Total capacity
report := [][]string{
[]string{brimtext.ThousandsSep(int64(len(b.Nodes())), ","), "Nodes"},
[]string{brimtext.ThousandsSep(int64(b.ReplicaCount()), ","), "Replicas"},
[]string{brimtext.ThousandsSep(int64(b.PointsAllowed()), ","), "Points Allowed"},
[]string{brimtext.ThousandsSep(int64(b.MaxPartitionBitCount()), ","), "Max Partition Bits"},
[]string{brimtext.ThousandsSep(int64(b.MoveWait()), ","), "Move Wait"},
}
reportOpts := brimtext.NewDefaultAlignOptions()
reportOpts.Alignments = []brimtext.Alignment{brimtext.Right, brimtext.Left}
fmt.Print(brimtext.Align(report, reportOpts))
return nil
}
return nil
}
func nodeCmd(r ring.Ring, b *ring.Builder, args []string, full bool) (changed bool, err error) {
var nodes ring.NodeSlice
if r != nil {
nodes = r.Nodes()
} else {
bnodes := b.Nodes()
nodes = make(ring.NodeSlice, len(bnodes))
for i := len(nodes) - 1; i >= 0; i-- {
nodes[i] = bnodes[i]
}
}
filterArgs := make([]string, 0)
setArgs := make([]string, 0)
setFound := false
for _, arg := range args {
if arg == "set" {
setFound = true
continue
}
if setFound {
setArgs = append(setArgs, arg)
} else {
filterArgs = append(filterArgs, arg)
}
}
if len(setArgs) > 0 && b == nil {
err = fmt.Errorf("set is only valid for builder files")
return
}
if nodes, err = nodes.Filter(filterArgs); err != nil {
return
}
if len(nodes) > 0 && len(setArgs) > 0 {
for _, n := range nodes {
if err = addOrSetCmd(r, b, setArgs, n.(ring.BuilderNode)); err != nil {
return
}
changed = true
}
}
if full || len(nodes) == 1 {
first := true
for _, n := range nodes {
if first {
first = false
} else {
fmt.Println()
}
report := [][]string{
[]string{"ID:", fmt.Sprintf("%016x", n.ID())},
[]string{"Active:", fmt.Sprintf("%v", n.Active())},
[]string{"Capacity:", fmt.Sprintf("%d", n.Capacity())},
[]string{"Tiers:", strings.Join(n.Tiers(), "\n")},
[]string{"Addresses:", strings.Join(n.Addresses(), "\n")},
[]string{"Meta:", n.Meta()},
}
fmt.Print(brimtext.Align(report, nil))
}
return
}
header := []string{
"ID",
"Active",
"Capacity",
"Address",
"Meta",
}
report := [][]string{header}
reportAlign := brimtext.NewDefaultAlignOptions()
reportAlign.Alignments = []brimtext.Alignment{
brimtext.Left,
brimtext.Right,
brimtext.Right,
brimtext.Right,
brimtext.Left,
}
reportLine := func(n ring.Node) []string {
return []string{
fmt.Sprintf("%016x", n.ID()),
fmt.Sprintf("%v", n.Active()),
fmt.Sprintf("%d", n.Capacity()),
n.Address(0),
n.Meta(),
}
}
for _, n := range nodes {
if n.Active() {
report = append(report, reportLine(n))
}
}
for _, n := range nodes {
if !n.Active() {
report = append(report, reportLine(n))
}
}
fmt.Print(brimtext.Align(report, reportAlign))
return
}