forked from nlewo/contrail-introspect-cli
/
path.go
60 lines (50 loc) · 1.53 KB
/
path.go
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package descriptions
import "fmt"
import "gopkg.in/urfave/cli.v2"
import "log"
import "github.com/tu-pm/contrail-introspect-cli/utils"
func Path() *cli.Command {
return &cli.Command{
Name: "controller-path",
Usage: "Find the path to go from a prefix to another on in a routing instance",
ArgsUsage: "controller-fqdn ri source-prefix dest-prefix",
Action: func(c *cli.Context) error {
controller := c.Args().Get(0)
ri := c.Args().Get(1)
srcIp := c.Args().Get(2)
dstIp := c.Args().Get(3)
page := CtrlRoute().PageBuilder([]string{controller, ri})
col, e := page.Load(CtrlRoute())
if e != nil {
log.Fatal(e)
}
elt := col.SearchStrict(srcIp)
if len(elt) < 1 {
log.Fatal(fmt.Sprintf("Prefix %s not found in RI %s", srcIp, ri))
}
srcNode, err := elt[0].GetField("paths/list/ShowRoutePath/next_hop")
if err != nil {
log.Fatal(err)
}
page = CtrlRoute().PageBuilder([]string{controller, ri})
col, e = page.Load(CtrlRoute())
if e != nil {
log.Fatal(e)
}
elt = col.SearchStrict(dstIp)
if len(elt) < 1 {
log.Fatal(fmt.Sprintf("Prefix %s not found in RI %s", dstIp, ri))
}
dstNode, err := elt[0].GetField("paths/list/ShowRoutePath/next_hop")
if err != nil {
log.Fatal(err)
}
label, err := elt[0].GetField("paths/list/ShowRoutePath/label")
if err != nil {
log.Fatal(err)
}
fmt.Printf("From prefix %s on %s to dst %s on %s with label %s\n", srcIp, utils.ResolveIp(srcNode), dstIp, utils.ResolveIp(dstNode), label)
return nil
},
}
}