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from .base import BaseAPIIntegrationTest, TEST_IMG
from .. import helpers
SECOND = 1000000000
def wait_on_health_status(client, container, status):
def condition():
res = client.inspect_container(container)
return res['State']['Health']['Status'] == status
return helpers.wait_on_condition(condition)
class HealthcheckTest(BaseAPIIntegrationTest):
@helpers.requires_api_version('1.24')
def test_healthcheck_shell_command(self):
container = self.client.create_container(
TEST_IMG, 'top', healthcheck=dict(test='echo "hello world"'))
self.tmp_containers.append(container)
res = self.client.inspect_container(container)
assert res['Config']['Healthcheck']['Test'] == [
'CMD-SHELL', 'echo "hello world"'
]
@helpers.requires_api_version('1.24')
def test_healthcheck_passes(self):
container = self.client.create_container(
TEST_IMG, 'top', healthcheck=dict(
test="true",
interval=1 * SECOND,
timeout=1 * SECOND,
retries=1,
))
self.tmp_containers.append(container)
self.client.start(container)
wait_on_health_status(self.client, container, "healthy")
@helpers.requires_api_version('1.24')
def test_healthcheck_fails(self):
container = self.client.create_container(
TEST_IMG, 'top', healthcheck=dict(
test="false",
interval=1 * SECOND,
timeout=1 * SECOND,
retries=1,
))
self.tmp_containers.append(container)
self.client.start(container)
wait_on_health_status(self.client, container, "unhealthy")
@helpers.requires_api_version('1.29')
def test_healthcheck_start_period(self):
container = self.client.create_container(
TEST_IMG, 'top', healthcheck=dict(
test="echo 'x' >> /counter.txt && "
"test `cat /counter.txt | wc -l` -ge 3",
interval=1 * SECOND,
timeout=1 * SECOND,
retries=1,
start_period=3 * SECOND
)
)
self.tmp_containers.append(container)
self.client.start(container)
wait_on_health_status(self.client, container, "healthy")
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