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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.task.util.systemd;
import com.yahoo.vespa.hosted.node.admin.component.TaskContext;
import com.yahoo.vespa.hosted.node.admin.task.util.process.ChildProcessFailureException;
import com.yahoo.vespa.hosted.node.admin.task.util.process.TestTerminal;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.Mockito.mock;
/**
* @author hakonhall
*/
public class SystemCtlTest {
private final TaskContext taskContext = mock(TaskContext.class);
private final TestTerminal terminal = new TestTerminal();
@Test
void enable() {
terminal.expectCommand("systemctl --quiet is-enabled docker 2>&1", 1, "")
.expectCommand("systemctl enable docker 2>&1")
.expectCommand("systemctl --quiet is-enabled docker 2>&1");
SystemCtl.SystemCtlEnable enableDockerService = new SystemCtl(terminal).enable("docker");
assertTrue(enableDockerService.converge(taskContext));
assertFalse(enableDockerService.converge(taskContext), "Already converged");
}
@Test
void enableCommandFailure() {
terminal.expectCommand("systemctl --quiet is-enabled docker 2>&1", 1, "")
.expectCommand("systemctl enable docker 2>&1", 1, "error enabling service");
SystemCtl.SystemCtlEnable enableDockerService = new SystemCtl(terminal).enable("docker");
try {
enableDockerService.converge(taskContext);
fail();
} catch (ChildProcessFailureException e) {
// success
}
}
@Test
void start() {
terminal.expectCommand(
"systemctl show docker 2>&1",
0,
"a=b\n" +
"ActiveState=failed\n" +
"bar=zoo\n")
.expectCommand("systemctl start docker 2>&1", 0, "");
SystemCtl.SystemCtlStart startDockerService = new SystemCtl(terminal).start("docker");
assertTrue(startDockerService.converge(taskContext));
}
@Test
void startIsNoop() {
terminal.expectCommand(
"systemctl show docker 2>&1",
0,
"a=b\n" +
"ActiveState=active\n" +
"bar=zoo\n")
.expectCommand("systemctl start docker 2>&1", 0, "");
SystemCtl.SystemCtlStart startDockerService = new SystemCtl(terminal).start("docker");
assertFalse(startDockerService.converge(taskContext));
}
@Test
void startCommandFailre() {
terminal.expectCommand("systemctl show docker 2>&1", 1, "error");
SystemCtl.SystemCtlStart startDockerService = new SystemCtl(terminal).start("docker");
try {
startDockerService.converge(taskContext);
fail();
} catch (ChildProcessFailureException e) {
// success
}
}
@Test
void disable() {
terminal.expectCommand("systemctl --quiet is-enabled docker 2>&1")
.expectCommand("systemctl disable docker 2>&1")
.expectCommand("systemctl --quiet is-enabled docker 2>&1", 1, "");
assertTrue(new SystemCtl(terminal).disable("docker").converge(taskContext));
assertFalse(new SystemCtl(terminal).disable("docker").converge(taskContext), "Already converged");
}
@Test
void stop() {
terminal.expectCommand(
"systemctl show docker 2>&1",
0,
"a=b\n" +
"ActiveState=active\n" +
"bar=zoo\n")
.expectCommand("systemctl stop docker 2>&1", 0, "");
assertTrue(new SystemCtl(terminal).stop("docker").converge(taskContext));
}
@Test
void restart() {
terminal.expectCommand("systemctl restart docker 2>&1", 0, "");
assertTrue(new SystemCtl(terminal).restart("docker").converge(taskContext));
}
@Test
void testUnitExists() {
SystemCtl systemCtl = new SystemCtl(terminal);
terminal.expectCommand("systemctl list-unit-files foo.service 2>&1", 0,
"UNIT FILE STATE\n" +
"\n" +
"0 unit files listed.\n");
assertFalse(systemCtl.serviceExists(taskContext, "foo"));
terminal.expectCommand("systemctl list-unit-files foo.service 2>&1", 0,
"UNIT FILE STATE \n" +
"foo.service enabled\n" +
"\n" +
"1 unit files listed.\n");
assertTrue(systemCtl.serviceExists(taskContext, "foo"));
terminal.expectCommand("systemctl list-unit-files foo.service 2>&1", 0, "garbage");
try {
systemCtl.serviceExists(taskContext, "foo");
fail();
} catch (Exception e) {
assertTrue(e.getMessage().contains("garbage"));
}
}
@Test
void withSudo() {
SystemCtl systemCtl = new SystemCtl(terminal).withSudo();
terminal.expectCommand("sudo systemctl restart docker 2>&1", 0, "");
assertTrue(systemCtl.restart("docker").converge(taskContext));
}
}
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