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Commit189b980

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startstop tests
1 parentcb44b2b commit189b980

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5 files changed

+136
-1
lines changed

5 files changed

+136
-1
lines changed

‎tests2/lib/failure_injector.py

Lines changed: 77 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,77 @@
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importdocker
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classFailureInjector(object):
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def__init__(self):
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self.docker_api=docker.Client()
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defcontainer_exec(self,node,command):
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exec_id=self.docker_api.exec_create(node,command)
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output=self.docker_api.exec_start(exec_id)
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print(command,' -> ',output)
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classSingleNodePartition(FailureInjector):
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def__init__(self,node):
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self.node=node
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super().__init__()
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defstart(self):
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# XXX: try reject too
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self.container_exec(self.node,"iptables -A INPUT -j DROP")
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self.container_exec(self.node,"iptables -A OUTPUT -j DROP")
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defstop(self):
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self.container_exec(self.node,"iptables -D INPUT -j DROP")
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self.container_exec(self.node,"iptables -D OUTPUT -j DROP")
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classEdgePartition(FailureInjector):
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def__init__(self,nodeA,nodeB):
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self.nodeA=nodeA
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self.nodeB=nodeB
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super().__init__()
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defstart(self):
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self.container_exec(self.nodeA,"iptables -A INPUT -s {} -j DROP".format(self.nodeB) )
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self.container_exec(self.nodeA,"iptables -A OUTPUT -s {} -j DROP".format(self.nodeB) )
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defstop(self):
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self.container_exec(self.nodeA,"iptables -D INPUT -j DROP")
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self.container_exec(self.nodeA,"iptables -D OUTPUT -j DROP")
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classRestartNode(FailureInjector):
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def__init__(self,node):
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self.node=node
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super().__init__()
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# XXX: Is it really a good idea to call cli.stop inside method called start?
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defstart(self):
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self.docker_api.stop(self.node)
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defstop(self):
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self.docker_api.start(self.node)
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classCrashRecoverNode(FailureInjector):
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def__init__(self,node):
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self.node=node
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super().__init__()
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defstart(self):
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self.docker_api.kill(self.node)
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defstop(self):
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self.docker_api.start(self.node)
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classSkewTime(FailureInjector):
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def__init__(self,node):
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self.node=node
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super().__init__()

‎tests2/support/bumptime.c

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Original file line numberDiff line numberDiff line change
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/*
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* His (Aphyr) Majesty Script Bumptime.
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*
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* https://raw.githubusercontent.com/jepsen-io/jepsen/master/cockroachdb/resources/bumptime.c
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*
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*/
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#include<stdio.h>
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#include<sys/time.h>
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#include<stdlib.h>
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#include<stdint.h>
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intmain(intargc,char**argv) {
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if (argc<2)
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{
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fprintf(stderr,"usage: %s <delta>, where delta is in ms\n",argv[0]);
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return1;
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}
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/* Compute offset from argument */
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int64_tdelta=atof(argv[1])*1000;
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int64_tdelta_us=delta %1000000;
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int64_tdelta_s= (delta-delta_us) /1000000;
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/* Get current time */
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structtimevaltime;
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structtimezonetz;
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if (0!=gettimeofday(&time,&tz)) {
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perror("gettimeofday");
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return1;
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}
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/* Update time */
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time.tv_usec+=delta_us;
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time.tv_sec+=delta_s;
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/* Overflow */
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while (time.tv_usec <=1000000) {
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time.tv_sec-=1;
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time.tv_usec+=1000000;
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}
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while (1000000 <=time.tv_usec) {
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time.tv_sec+=1;
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time.tv_usec-=1000000;
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}
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/* Set time */
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if (0!=settimeofday(&time,&tz)) {
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perror("settimeofday");
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return2;
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}
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return0;
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}
File renamed without changes.

‎tests2/test_recovery.py

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -96,6 +96,10 @@ def test_node_partition(self):
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self.assertTrue(aggs['sumtotal_1']['isolation']==0)
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self.assertTrue(aggs['sumtotal_2']['isolation']==0)
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deftest_edge_partition(self):
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#
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subprocess.check_call(['blockade','join'])
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print("Node3 joined back")

‎tests2/test_regression.py

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -21,7 +21,7 @@ def test_regression(self):
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subprocess.check_call(['docker','run',
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'--network=tests2_default',
2323
'tests2_node1',
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'/pg/mmts/tests2/docker-regress.sh',
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'/pg/mmts/tests2/support/docker-regress.sh',
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])
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if__name__=='__main__':

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