[PATCH 0/5] colo: Introduce resource agent and test suite/CI

[Lukas Straub]

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)

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.

I wonder how this integrates in existing CI infrastructure. Is there a common
CI for qemu where this can run or does every subsystem have to run their own
CI?

Regards,
Lukas Straub


Lukas Straub (5):
  block/quorum.c: stable children names
  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         | 1429 ++++++++++++++++++++++
 scripts/colo-resource-agent/crm_master   |   44 +
 scripts/colo-resource-agent/crm_resource |   12 +
 tests/acceptance/colo.py                 |  689 +++++++++++
 8 files changed, 2209 insertions(+), 6 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

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