func (s *BootstrapSuite) TestWaitSSHKilledWaitingForAddresses(c *gc.C) {
ctx := coretesting.Context(c)
interrupted := make(chan os.Signal, 1)
interrupted <- os.Interrupt
_, err := common.WaitSSH(ctx, interrupted, ssh.DefaultClient, "/bin/true", neverAddresses{}, testSSHTimeout)
c.Check(err, gc.ErrorMatches, "interrupted")
c.Check(coretesting.Stderr(ctx), gc.Matches, "Waiting for address\n")
}
func (s *BootstrapSuite) TestWaitSSHTimesOutWaitingForDial(c *gc.C) {
ctx := coretesting.Context(c)
// 0.x.y.z addresses are always invalid
_, err := common.WaitSSH(ctx, nil, ssh.DefaultClient, "/bin/true", &neverOpensPort{addr: "0.1.2.3"}, testSSHTimeout)
c.Check(err, gc.ErrorMatches,
`waited for `+testSSHTimeout.Timeout.String()+` without being able to connect: mock connection failure to 0.1.2.3`)
c.Check(coretesting.Stderr(ctx), gc.Matches,
"Waiting for address\n"+
"(Attempting to connect to 0.1.2.3:22\n)+")
}
func (s *BootstrapSuite) TestWaitSSHKilledWaitingForDial(c *gc.C) {
ctx := coretesting.Context(c)
timeout := testSSHTimeout
timeout.Timeout = 1 * time.Minute
interrupted := make(chan os.Signal, 1)
_, err := common.WaitSSH(ctx, interrupted, ssh.DefaultClient, "", &interruptOnDial{name: "0.1.2.3", interrupted: interrupted}, timeout)
c.Check(err, gc.ErrorMatches, "interrupted")
// Exact timing is imprecise but it should have tried a few times before being killed
c.Check(coretesting.Stderr(ctx), gc.Matches,
"Waiting for address\n"+
"(Attempting to connect to 0.1.2.3:22\n)+")
}
func (s *BootstrapSuite) TestWaitSSHRefreshAddresses(c *gc.C) {
ctx := coretesting.Context(c)
_, err := common.WaitSSH(ctx, nil, ssh.DefaultClient, "", &addressesChange{addrs: [][]string{
nil,
nil,
[]string{"0.1.2.3"},
[]string{"0.1.2.3"},
nil,
[]string{"0.1.2.4"},
}}, testSSHTimeout)
// Not necessarily the last one in the list, due to scheduling.
c.Check(err, gc.ErrorMatches,
`waited for `+testSSHTimeout.Timeout.String()+` without being able to connect: mock connection failure to 0.1.2.[34]`)
stderr := coretesting.Stderr(ctx)
c.Check(stderr, gc.Matches,
"Waiting for address\n"+
"(.|\n)*(Attempting to connect to 0.1.2.3:22\n)+(.|\n)*")
c.Check(stderr, gc.Matches,
"Waiting for address\n"+
"(.|\n)*(Attempting to connect to 0.1.2.4:22\n)+(.|\n)*")
}
func (s *BootstrapSuite) TestWaitSSHStopsOnBadError(c *gc.C) {
ctx := coretesting.Context(c)
_, err := common.WaitSSH(ctx, nil, ssh.DefaultClient, "/bin/true", brokenAddresses{}, testSSHTimeout)
c.Check(err, gc.ErrorMatches, "getting addresses: Addresses will never work")
c.Check(coretesting.Stderr(ctx), gc.Equals, "Waiting for address\n")
}
func (s *BootstrapSuite) TestWaitSSHTimesOutWaitingForAddresses(c *gc.C) {
ctx := coretesting.Context(c)
_, err := common.WaitSSH(ctx, nil, ssh.DefaultClient, "/bin/true", neverAddresses{}, testSSHTimeout)
c.Check(err, gc.ErrorMatches, `waited for `+testSSHTimeout.Timeout.String()+` without getting any addresses`)
c.Check(coretesting.Stderr(ctx), gc.Matches, "Waiting for address\n")
}