Once we've built the master, we can build kubeconfig. By doing so, if
we time out waiting for the nodes, the system is still configured
correctly.
In particular, spot instances can be slow to launch.
Related to issue #21200
I think we should probably leave this undocumented for now, until we
have a better way to launch multiple sets of nodes, but it's great for
cost savings while testing!
Fix#21200
m3.large for > 150 nodes.
t2.micro often runs out of memory. The t2 class has very
difficult-to-understand behaviour when it runs out of CPU. The
m3.medium is reasonably affordable, and avoids these problems.
Fix#21151
Issue #18975
Otherwise we risk services coming up on the master before the backing
volume is ready.
If we then see the master-pd is already mounted, don't try to remount
it.
Issue #21155
If the ephemeral volume is present and mounted, don't try to reinitialize
them.
Don't block the boot if the ephemeral volume is corrupt / missing -
this enables us to cope with a stop/start & presumably also corruption.
In this case, we'll reformat the ephemeral storage.
Fix#21157
This is so we have the same behaviour as on GCE.
This also lets us change the bootstrap script or the config, which is
nice. Instance data is immutable on AWS once it is booted.
Fix#21150
We were assuming the PROJECT env var was set, which the e2e tests do.
But PROJECT is normally not set on AWS (it is set on GCE); this broke as
part of the harmonization.
Revert to the pre-existing behaviour here, where we use "aws_" as the
prefix.
Fix#21141
Fix script for case when neeed to setup cluster
in an existen VPC and subnet with ip mask example: 10.0.0.0/8.
Fixed bug to detect ip of master if provided MASTER_RESERVED_IP.
For some reason detecting master ip was moved to volumes and only when MASTER_RESERVED_IP=auto.
If specify IPv4 for MASTER_RESERVED_IP like `52.1.1.1`, than we could
not detect ip even during last steps of setuping cluster.
step the KUBE_MASTER_IP is reseted because there are no tag for the
volume.
In the e2e tests detect-master is called directly. In turn, it calls
find-tagged-master-ip, which assumed that find-master-pd has already already
been called. But this wasn't true in the e2e case.
We add a call to find-master-pd; it is idempotent.
build-runtime-config was being called in verify-prereqs, which didn't
match how GCE called it, and didn't seem to actually work.
Instead call it just before the master configuration is built. Also
call it just before the node configuration is built, even though the
nodes don't _currently_ require the runtime_config.
