On Tue, 4 Aug 2020 12:46:29 +0200 Lukas Straub <lukasstra...@web.de> wrote:
> Hello Everyone, > So here is v3. Patch 1 can already be merged independently of the others. > Please review. > > Regards, > Lukas Straub > > Based-on: <cover.1596528468.git.lukasstra...@web.de> > "Introduce 'yank' oob qmp command to recover from hanging qemu" > > Changes: > > v3: > -resource-agent: Don't determine local qemu state by remote master-score, > query > directly via qmp instead > -resource-agent: Add max_queue_size parameter for colo-compare > -resource-agent: Fix monitor action on secondary returning error during > clean shutdown > -resource-agent: Fix stop action setting master-score to 0 on primary on > clean shutdown > > v2: > -use new yank api > -drop disk_size parameter > -introduce pick_qemu_util function and use it > > Overview: > > Hello Everyone, > These patches introduce a resource agent for fully automatic management of > colo > and a test suite building upon the resource agent to extensively test colo. > > Test suite features: > -Tests failover with peer crashing and hanging and failover during checkpoint > -Tests network using ssh and iperf3 > -Quick test requires no special configuration > -Network test for testing colo-compare > -Stress test: failover all the time with network load > > Resource agent features: > -Fully automatic management of colo > -Handles many failures: hanging/crashing qemu, replication error, disk error, > ... > -Recovers from hanging qemu by using the "yank" oob command > -Tracks which node has up-to-date data > -Works well in clusters with more than 2 nodes > > Run times on my laptop: > Quick test: 200s > Network test: 800s (tagged as slow) > Stress test: 1300s (tagged as slow) > > For the last two tests, the test suite needs access to a network bridge to > properly test the network, so some parameters need to be given to the test > run. See tests/acceptance/colo.py for more information. > > Regards, > Lukas Straub > > Lukas Straub (7): > block/quorum.c: stable children names > avocado_qemu: Introduce pick_qemu_util to pick qemu utility binaries > boot_linux.py: Use pick_qemu_util > colo: Introduce resource agent > colo: Introduce high-level test suite > configure,Makefile: Install colo resource-agent > MAINTAINERS: Add myself as maintainer for COLO resource agent > > MAINTAINERS | 6 + > Makefile | 5 + > block/quorum.c | 20 +- > configure | 10 + > scripts/colo-resource-agent/colo | 1501 +++++++++++++++++++++ > scripts/colo-resource-agent/crm_master | 44 + > scripts/colo-resource-agent/crm_resource | 12 + > tests/acceptance/avocado_qemu/__init__.py | 15 + > tests/acceptance/boot_linux.py | 11 +- > tests/acceptance/colo.py | 677 ++++++++++ > 10 files changed, 2286 insertions(+), 15 deletions(-) > create mode 100755 scripts/colo-resource-agent/colo > create mode 100755 scripts/colo-resource-agent/crm_master > create mode 100755 scripts/colo-resource-agent/crm_resource > create mode 100644 tests/acceptance/colo.py > > -- > 2.20.1 Ping...
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