fix dns resolution on ubuntu

ubuntu's dns seems a little odd and requires a fq name in its tests.

Signed-off-by: baude <[email protected]>

test/e2e/network_test.go

@@ -416,14 +416,26 @@ var _ = Describe("Podman network", func() {
 		defer podmanTest.removeCNINetwork(netName)
 		Expect(session.ExitCode()).To(BeZero())
 
+		interval := time.Duration(250 * time.Millisecond)
+		for i := 0; i < 6; i++ {
+			n := podmanTest.Podman([]string{"network", "exists", netName})
+			n.WaitWithDefaultTimeout()
+			worked = n.ExitCode() == 0
+			if worked {
+				break
+			}
+			time.Sleep(interval)
+			interval *= 2
+		}
+
 		top := podmanTest.Podman([]string{"run", "-dt", "--name=web", "--network=" + netName, "--network-alias=web1", "--network-alias=web2", nginx})
 		top.WaitWithDefaultTimeout()
 		Expect(top.ExitCode()).To(BeZero())
-		interval := time.Duration(250 * time.Millisecond)
+		interval = time.Duration(250 * time.Millisecond)
 		// Wait for the nginx service to be running
 		for i := 0; i < 6; i++ {
 			// Test curl against the container's name
-			c1 := podmanTest.Podman([]string{"run", "--network=" + netName, nginx, "curl", "web"})
+			c1 := podmanTest.Podman([]string{"run", "--dns-search", "dns.podman", "--network=" + netName, nginx, "curl", "web"})
 			c1.WaitWithDefaultTimeout()
 			worked = c1.ExitCode() == 0
 			if worked {
@@ -436,12 +448,12 @@ var _ = Describe("Podman network", func() {
 
 		// Nginx is now running so no need to do a loop
 		// Test against the first alias
-		c2 := podmanTest.Podman([]string{"run", "--network=" + netName, nginx, "curl", "web1"})
+		c2 := podmanTest.Podman([]string{"run", "--dns-search", "dns.podman", "--network=" + netName, nginx, "curl", "web1"})
 		c2.WaitWithDefaultTimeout()
 		Expect(c2.ExitCode()).To(BeZero())
 
 		// Test against the second alias
-		c3 := podmanTest.Podman([]string{"run", "--network=" + netName, nginx, "curl", "web2"})
+		c3 := podmanTest.Podman([]string{"run", "--dns-search", "dns.podman", "--network=" + netName, nginx, "curl", "web2"})
 		c3.WaitWithDefaultTimeout()
 		Expect(c3.ExitCode()).To(BeZero())
 	})