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#!/usr/bin/env bash
# Verify that IPs can be reconfigured using 'ctdb reloadips'
# Various sub-tests that remove addresses from the public_addresses file
# on a node or delete the entire contents of the public_addresses file.
. "${TEST_SCRIPTS_DIR}/integration.bash"
set -e
ctdb_test_init
select_test_node_and_ips
try_command_on_node $test_node $CTDB_TEST_WRAPPER ctdb_base_show
addresses="${out}/public_addresses"
echo "Public addresses file on node $test_node is \"$addresses\""
backup="${addresses}.$$"
restore_public_addresses ()
{
try_command_on_node $test_node "mv $backup $addresses >/dev/null 2>&1 || true"
}
ctdb_test_exit_hook_add restore_public_addresses
# ctdb reloadips will fail if it can't disable takover runs. The most
# likely reason for this is that there is already a takeover run in
# progress. We can't predict when this will happen, so retry if this
# occurs.
do_ctdb_reloadips ()
{
local retry_max=10
local retry_count=0
while : ; do
if try_command_on_node any "$CTDB reloadips all" ; then
return 0
fi
if [ "$out" != "Failed to disable takeover runs" ] ; then
return 1
fi
if [ $retry_count -ge $retry_max ] ; then
return 1
fi
retry_count=$((retry_count + 1))
echo "Retrying..."
sleep_for 1
done
}
echo "Removing IP $test_ip from node $test_node"
try_command_on_node $test_node "mv $addresses $backup && grep -v '^${test_ip}/' $backup >$addresses"
do_ctdb_reloadips
try_command_on_node $test_node $CTDB ip
if grep "^${test_ip} " <<<"$out" ; then
cat <<EOF
BAD: node $test_node can still host IP $test_ip:
$out
EOF
exit 1
fi
cat <<EOF
GOOD: node $test_node is no longer hosting IP $test_ip:
$out
EOF
try_command_on_node any $CTDB sync
echo "Restoring addresses"
restore_public_addresses
do_ctdb_reloadips
echo "Getting list of public IPs on node $test_node"
try_command_on_node $test_node "$CTDB ip | tail -n +2"
if [ -z "$out" ] ; then
echo "BAD: node $test_node has no ips"
exit 1
fi
cat <<EOF
GOOD: node $test_node has these addresses:
$out
EOF
try_command_on_node any $CTDB sync
echo "Emptying public addresses file on $test_node"
try_command_on_node $test_node "mv $addresses $backup && touch $addresses"
do_ctdb_reloadips
echo "Getting list of public IPs on node $test_node"
try_command_on_node $test_node "$CTDB ip | tail -n +2"
if [ -n "$out" ] ; then
cat <<EOF
BAD: node $test_node still has ips:
$out
EOF
exit 1
fi
echo "GOOD: no IPs left on node $test_node"
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