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1. refactoring, merge "replication" logic into "topology" package

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2. when growing volumes, additional preferred "rack" and "dataNode"
paraemters are also provided. Previously only "dataCenter" paraemter is
provided.
This commit is contained in:
Chris Lu
2014-04-13 01:29:52 -07:00
parent 008aee0dc1
commit f7f582ec86
11 changed files with 144 additions and 77 deletions
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24
go/topology/configuration.go
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@@ -47,19 +47,19 @@ func (c *Configuration) String() string {
}
func (c *Configuration) Locate(ip string, dcName string, rackName string) (dc string, rack string) {
if dcName == "" {
if c != nil && c.ip2location != nil {
if loc, ok := c.ip2location[ip]; ok {
return loc.dcName, loc.rackName
}
}
} else {
if rackName == "" {
return dcName, "DefaultRack"
} else {
return dcName, rackName
if c != nil && c.ip2location != nil {
if loc, ok := c.ip2location[ip]; ok {
return loc.dcName, loc.rackName
}
}
return "DefaultDataCenter", "DefaultRack"
if dcName == "" {
dcName = "DefaultDataCenter"
}
if rackName == "" {
rackName = "DefaultRack"
}
return dcName, rackName
}