Bryan Boreham
4da2501d7a
The new weaveworks/mesh version defers topology updates by up to 1 second, so we can't expect to connect two nodes and immediately ping between them.
79 lines
2.1 KiB
Bash
Executable File
79 lines
2.1 KiB
Bash
Executable File
#! /bin/bash
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. "$(dirname "$0")/config.sh"
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C1=10.2.3.78
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C2=10.2.3.34
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C2a=10.2.3.35
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C2b=10.2.3.36
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UNIVERSE=10.2.4.0/24
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NAME2=seetwo.weave.local
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NAME4=seefour.weave.local
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start_suite "Resolve names across hosts"
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for host in $HOSTS; do
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weave_on $host launch --ipalloc-range $UNIVERSE $HOSTS
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done
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sleep 2 # Allow topology updates to propagate
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# Basic test
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start_container $HOST2 $C2/24 --name=c2 -h $NAME2
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start_container_with_dns $HOST1 $C1/24 --name=c1
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assert_dns_record $HOST1 c1 $NAME2 $C2
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# 2 containers on each host, all with the same names
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FOO_IPS=
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BAR_IPS=
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for host in $HOSTS; do
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CID=$(proxy_start_container $host --name=foo)
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FOO_IPS="$FOO_IPS $(container_ip $host foo)"
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CID=$(proxy_start_container $host --name=bar)
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BAR_IPS="$BAR_IPS $(container_ip $host bar)"
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done
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start_container_with_dns $HOST1 --name=baz
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assert_dns_record $HOST1 baz foo.weave.local $FOO_IPS
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assert_dns_record $HOST1 baz bar.weave.local $BAR_IPS
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# now stop and start the containers a bunch of times; this tests
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# gossip dns tombstone behaviour
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for i in $(seq 5); do
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for host in $HOSTS; do
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proxy docker_on $host kill foo 1>/dev/null
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proxy docker_on $host kill bar 1>/dev/null
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done
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assert_no_dns_record $HOST1 baz foo.weave.local
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assert_no_dns_record $HOST1 baz bar.weave.local
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FOO_IPS=
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BAR_IPS=
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for host in $HOSTS; do
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proxy docker_on $host start foo 1>/dev/null
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proxy docker_on $host start bar 1>/dev/null
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FOO_IPS="$FOO_IPS $(container_ip $host foo)"
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BAR_IPS="$BAR_IPS $(container_ip $host bar)"
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done
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assert_dns_record $HOST1 baz foo.weave.local $FOO_IPS
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assert_dns_record $HOST1 baz bar.weave.local $BAR_IPS
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done
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# resolution for names mapped to multiple addresses
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weave_on $HOST2 dns-add $C2a c2 -h $NAME2
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weave_on $HOST2 dns-add $C2b c2 -h $NAME2
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assert_dns_record $HOST1 c1 $NAME2 $C2 $C2a $C2b
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# resolution when containers addresses come from IPAM
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start_container $HOST2 --name=c4 -h $NAME4
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start_container_with_dns $HOST1 --name=c3
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C4=$(container_ip $HOST2 c4)
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assert_dns_record $HOST1 c3 $NAME4 $C4
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end_suite
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