...
| Code Block | ||||||
|---|---|---|---|---|---|---|
| ||||||
#!/bin/bash COUNTER=0 while [ $COUNTER -lt 10 ]; do curl -v service01.bar.svc.cluster.local/headers sleep 2 done |
NOTE
...
-
...
Although
...
the
...
service
...
running
...
in
...
an external
...
cluster
...
can
...
be
...
accessed
...
by
...
following
...
the
...
steps
...
above,
...
the
...
failover
...
mechanism
...
is
...
not
...
yet
...
supported
...
by
...
ISTIO
...
(Replicated
...
control
...
plane).
For
...
this
...
scenario,
...
the
...
intent
...
must
...
have
...
the
...
following
...
istio
...
configurations
...
| Cluster | Istio configuration |
|---|---|
| cluster 01 | a. serviceEntry - of service serverservice04 as shown in step 4 b. virtualservice - having entries of serverservice04 (in cluster 02), serverservice01 (cluster 01) and serverservice02 (cluster 01) as shown in step 5 c. configmap - to add stubdomain .global in the coreDNS d. destinationRule - for any restrictions/loadbalancing amongst internal services/hosts |
| cluster 02 | a. configmap - to add stubdomain .global in the coreDNS b. destinationRule - for any restrictions/loadbalancing amongst internal services/hosts |
IN PROGRESS......