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65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
package store
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// Server represents another node in the cluster.
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type Server struct {
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ID string `json:"id,omitempty"`
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Addr string `json:"addr,omitempty"`
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Suffrage string `json:"suffrage,omitempty"`
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}
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// NewServer returns an initialized Server.
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func NewServer(id, addr string, voter bool) *Server {
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v := "voter"
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if !voter {
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v = "Nonvoter"
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}
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return &Server{
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ID: id,
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Addr: addr,
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Suffrage: v,
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}
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}
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// Servers is a set of Servers.
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type Servers []*Server
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// IsReadOnly returns whether the given node, as specified by its Raft ID,
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// is a read-only (non-voting) node. If no node is found with the given ID
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// then found will be false.
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func (s Servers) IsReadOnly(id string) (readOnly bool, found bool) {
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readOnly = false
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found = false
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if s == nil || id == "" {
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return
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}
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for _, n := range s {
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if n != nil && n.ID == id {
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readOnly = n.Suffrage == "Nonvoter"
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found = true
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return
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}
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}
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return
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}
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// Contains returns whether the given node, as specified by its Raft ID,
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// is a member of the set of servers.
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func (s Servers) Contains(id string) bool {
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if s == nil || id == "" {
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return false
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}
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for _, n := range s {
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if n != nil && n.ID == id {
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return true
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}
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}
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return false
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}
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func (s Servers) Less(i, j int) bool { return s[i].ID < s[j].ID }
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func (s Servers) Len() int { return len(s) }
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func (s Servers) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
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