iRule - Pool member Failover

This iRule use to default policy for sub.pqr.com request. You should use "*" character for sub-domains.

Also, you can redirect to pool, instead of redirecting to abc.com.

when HTTP_REQUEST {
	switch -glob [string tolower [HTTP::host]] {
		"abc.com" { pool Pool_1 }
		"pqr.com" - 
		"*.pqr.com" {
			if  { [HTTP::uri] contains "pqr" && [active_members Pool_2] >= 1 } {
				pool Pool_2
			} else {
				pool Pool_1
			}
		}
		"xyz.com" -
		"*.xyz.com" {
			if  { [HTTP::uri] contains "xyz" && [active_members Pool_3] >= 1 } {
				pool Pool_3
			} else {
				pool Pool_1
			}
		}
		default { pool Pool_1 }
	}
}