leaderless gossip-based service discovery w/ consul compatibility
add cascade ls members
+113
-1
+17
api/agent.go
+17
api/agent.go
···
23
23
DelegateCur uint8
24
24
}
25
25
26
+
func (am *AgentMember) StatusPretty() string {
27
+
result := "unknown"
28
+
switch am.Status {
29
+
case 0:
30
+
result = "none"
31
+
case 1:
32
+
result = "alive"
33
+
case 2:
34
+
result = "leaving"
35
+
case 3:
36
+
result = "left"
37
+
case 4:
38
+
result = "failed"
39
+
}
40
+
return result
41
+
}
42
+
26
43
// XXX: this may be needed for consul compatability, but I'm leaving it
27
44
// out for now in case it isn't.
28
45
const AllSegments = "_all"
+24
command/list/list.go
+24
command/list/list.go
···
1
+
package list
2
+
3
+
import (
4
+
"fmt"
5
+
"os"
6
+
7
+
"git.j3s.sh/cascade/command/list/members"
8
+
)
9
+
10
+
const usage = `cascade ls nodes
11
+
cascade ls members
12
+
cascade ls services
13
+
`
14
+
15
+
func Run(args []string) {
16
+
if len(args) == 0 {
17
+
fmt.Printf(usage)
18
+
os.Exit(1)
19
+
}
20
+
switch args[0] {
21
+
case "members":
22
+
members.Run(args[1:])
23
+
}
24
+
}
+57
command/list/members/members.go
+57
command/list/members/members.go
···
1
+
package members
2
+
3
+
import (
4
+
"flag"
5
+
"fmt"
6
+
"os"
7
+
8
+
"git.j3s.sh/cascade/api"
9
+
)
10
+
11
+
const usage = `cascade ls members [options]
12
+
13
+
this command lists the members of the cascade serf
14
+
cluster.
15
+
16
+
options:
17
+
18
+
-api
19
+
address of the api to target (default = 127.0.0.1:8500)
20
+
21
+
-l | -details
22
+
show more details (default = nil)
23
+
`
24
+
25
+
type Flags struct {
26
+
apiAddr string
27
+
details bool
28
+
}
29
+
30
+
var membersFlags Flags
31
+
32
+
func Run(args []string) {
33
+
flags := flag.NewFlagSet("agent", flag.ContinueOnError)
34
+
flags.Usage = func() { fmt.Printf(usage) }
35
+
flags.StringVar(&membersFlags.apiAddr, "api", "", "")
36
+
flags.BoolVar(&membersFlags.details, "l", false, "")
37
+
flags.BoolVar(&membersFlags.details, "details", false, "")
38
+
flags.Parse(args)
39
+
40
+
cfg := api.DefaultNonPooledConfig()
41
+
client, err := api.NewClient(cfg)
42
+
if err != nil {
43
+
fmt.Println(err)
44
+
os.Exit(1)
45
+
}
46
+
members, err := client.Agent().Members()
47
+
for _, m := range members {
48
+
if membersFlags.details {
49
+
fmt.Printf("%s ", m.Name)
50
+
fmt.Printf("%s:%d ", m.Addr, m.Port)
51
+
fmt.Printf("%s", m.StatusPretty())
52
+
fmt.Printf("\n")
53
+
} else {
54
+
fmt.Printf("%s\n", m.Name)
55
+
}
56
+
}
57
+
}
command/list/nodes.go
command/list/nodes/nodes.go
command/list/nodes.go
command/list/nodes/nodes.go
+14
command/list/services/services.go
+14
command/list/services/services.go