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infix/test/case/infix_containers/container_bridge/test.py
T
2024-10-23 10:08:10 +02:00

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#!/usr/bin/env python3
#
# Verify connectivity with a simple web server container from behind a
# docker0 bridge. As an added twist, this test also verifies content
# mounts, i.e., custom index.html from running-config.
#
"""
Container with bridge network
Verify connectivity with a simple web server container from behind a
docker0 bridge. As an added twist, this test also verifies content
mounts, i.e., custom index.html from running-config.
This also verifies port forwarding from container internal port to a
port accessed from the host.
"""
import base64
import infamy
from infamy.util import until, to_binary
with infamy.Test() as test:
NAME = "web-docker0"
DUTIP = "10.0.0.2"
OURIP = "10.0.0.1"
BODY = "<html><body><p>Kilroy was here</p></body></html>"
URL = f"http://{DUTIP}:8080/index.html"
with test.step("Set up topology and attach to target DUT"):
env = infamy.Env()
target = env.attach("target", "mgmt")
if not target.has_model("infix-containers"):
test.skip()
with test.step("Create container 'web-docker0' from bundled OCI image"):
_, ifname = env.ltop.xlate("target", "data")
data = to_binary(BODY)
target.put_config_dict("ietf-interfaces", {
"interfaces": {
"interface": [
{
"name": f"{ifname}",
"ipv4": {
"address": [{
"ip": f"{DUTIP}",
"prefix-length": 24
}]
}
},
{
"name": "docker0",
"type": "infix-if-type:bridge",
"container-network": {
"type": "bridge",
"subnet": [
{ "subnet": "172.17.0.0/16" },
{ "subnet": "2a02:2789:724:eb8:1::/80" }
]
}
}
]
}
})
target.put_config_dict("infix-containers", {
"containers": {
"container": [
{
"name": f"{NAME}",
"image": f"oci-archive:{infamy.Container.HTTPD_IMAGE}",
"command": "/usr/sbin/httpd -f -v -p 91",
"mount": [
{
"name": "index.html",
"content": f"{data}",
"target": "/var/www/index.html"
}
],
"network": {
"interface": [
{ "name": "docker0" }
],
"publish": [ "8080:91" ]
}
}
]
}
})
with test.step("Verify container 'web-docker0' has started"):
c = infamy.Container(target)
until(lambda: c.running(NAME), attempts=10)
_, hport = env.ltop.xlate("host", "data")
url = infamy.Furl(URL)
with infamy.IsolatedMacVlan(hport) as ns:
ns.addip(OURIP)
with test.step("Verify basic DUT connectivity, host:data can ping DUT 10.0.0.2"):
ns.must_reach(DUTIP)
with test.step("Verify container 'web-docker0' is reachable on http://10.0.0.2:8080"):
until(lambda: url.nscheck(ns, "Kilroy was here"), attempts=10)
test.succeed()