fix(vpc) order subnets with array to avoid unexpected destroy/recreate when only adding subnets #43
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Related to jenkins-infra/helpdesk#4319
Fixup of #36 to avoid #32 deployment failure
#36 did introduce a new data structure to declare subnets with automatic CIDR calculation.
Alas I used a
for
iteration to pass the data from thelocals
to thevpc
module, which used lexicographic order.So adding a new subnets in the data structure had the effect to expect a destroy-recreate (as it inserted
eks2
between the 2 existing subnets instead of after).This PR switches the data structure to an array which order is kept by the iteration.