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python3: Update apitest

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This update will make it work unprivileged as well as testing a few of
the new functions.

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>
This commit is contained in:
Stéphane Graber 2014-02-13 13:41:31 -05:00
parent c756a6e91b
commit cd063f4524
1 changed files with 43 additions and 13 deletions
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52
src/python-lxc/examples/api_test.py
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@ -25,15 +25,15 @@
import lxc import lxc
import uuid import uuid
import os
import subprocess
import sys import sys
import time import time
# Some constants
LXC_TEMPLATE = "ubuntu"
# Let's pick a random name, avoiding clashes # Let's pick a random name, avoiding clashes
CONTAINER_NAME = str(uuid.uuid1()) CONTAINER_NAME = str(uuid.uuid1())
CLONE_NAME = str(uuid.uuid1()) CLONE_NAME = str(uuid.uuid1())
RENAME_NAME = str(uuid.uuid1())
## Instantiate the container instance ## Instantiate the container instance
print("Getting instance for '%s'" % CONTAINER_NAME) print("Getting instance for '%s'" % CONTAINER_NAME)
@ -48,9 +48,25 @@ assert(container.name == CONTAINER_NAME)
assert(not container.running) assert(not container.running)
assert(container.state == "STOPPED") assert(container.state == "STOPPED")
# Try to get the host architecture for dpkg systems
arch = "i386"
try:
with open(os.path.devnull, "w") as devnull:
dpkg = subprocess.Popen(['dpkg', '--print-architecture'],
stderr=devnull, stdout=subprocess.PIPE,
universal_newlines=True)
if dpkg.wait() == 0:
arch = dpkg.stdout.read().strip()
except:
pass
## Create a rootfs ## Create a rootfs
print("Creating rootfs using '%s'" % LXC_TEMPLATE) print("Creating rootfs using 'download', arch=%s" % arch)
container.create(LXC_TEMPLATE) container.create("download", 0,
{"dist": "ubuntu",
"release": "trusty",
"arch": arch})
assert(container.defined) assert(container.defined)
assert(container.name == CONTAINER_NAME assert(container.name == CONTAINER_NAME
@ -101,12 +117,23 @@ while not ips or count == 10:
ips = container.get_ips() ips = container.get_ips()
time.sleep(1) time.sleep(1)
count += 1 count += 1
if os.geteuid():
container.attach_wait(lxc.attach_run_command, ["ifconfig", "eth0"],
namespaces=(lxc.CLONE_NEWUSER + lxc.CLONE_NEWNET
+ lxc.CLONE_NEWUTS))
else:
container.attach_wait(lxc.attach_run_command, ["ifconfig", "eth0"], container.attach_wait(lxc.attach_run_command, ["ifconfig", "eth0"],
namespaces=(lxc.CLONE_NEWNET + lxc.CLONE_NEWUTS)) namespaces=(lxc.CLONE_NEWNET + lxc.CLONE_NEWUTS))
# A few basic checks of the current state # A few basic checks of the current state
assert(len(ips) > 0) assert(len(ips) > 0)
## Test running config
assert(container.name == CONTAINER_NAME
== container.get_config_item("lxc.utsname")
== container.get_running_config_item("lxc.utsname"))
## Testing cgroups a bit ## Testing cgroups a bit
print("Testing cgroup API") print("Testing cgroup API")
max_mem = container.get_cgroup_item("memory.max_usage_in_bytes") max_mem = container.get_cgroup_item("memory.max_usage_in_bytes")
@ -155,12 +182,15 @@ assert(not container.running)
assert(container.state == "STOPPED") assert(container.state == "STOPPED")
## Cloning the container ## Cloning the container
print("Cloning the container") print("Cloning the container as '%s'" % CLONE_NAME)
clone = lxc.Container(CLONE_NAME) clone = container.clone(CLONE_NAME)
clone.clone(container.name) assert(clone is not False)
clone.start()
clone.stop() print ("Renaming the clone to '%s'" % RENAME_NAME)
clone.destroy() rename = clone.rename(RENAME_NAME)
rename.start()
rename.stop()
rename.destroy()
## Destroy the container ## Destroy the container
print("Destroying the container") print("Destroying the container")