IOPS have been modelled as a resource since Nomad 0.1 but has never
actually been detected and there is no plan in the short term to add
detection. This is because IOPS is a bit simplistic of a unit to define
the performance requirements from the underlying storage system. In its
current state it adds unnecessary confusion and can be removed without
impacting any users. This PR leaves IOPS defined at the jobspec parsing
level and in the api/ resources since these are the two public uses of
the field. These should be considered deprecated and only exist to allow
users to stop using them during the Nomad 0.9.x release. In the future,
there should be no expectation that the field will exist.
Prior to this change logs from the global logger only used seconds:
```
2018/06/06 18:25:58 http: TLS handshake error from ...
```
After this change they properly use the microseconds flag:
```
2018/06/06 18:39:50.702447 http: TLS handshake error ...
```
They still lack a log level unfortunately.
This fixes a bug introduced in commit e27caadca6 that sets a boolean flag
when the agent is a client. It incorrectly checked state before initializing
the client. This leads to Nomad clients not deregistering any services registered
in Consul after allocs are destroyed
Allow to set the total memory of an agent in its configuration file. This
can be used in case the automatic detection doesn't work or in specific
environments when memory overcommit (using swap for example) can be
desirable.
This change allows the client HTTP and the server HTTP, Serf and
RPC health check names within Consul to be configurable with the
defaults as previous. The configuration can be done via either a
config file or using CLI flags.
Closes#3988
Instead of checking Consul's version on startup to see if it supports
TLSSkipVerify, assume that it does and only log in the job service
handler if we discover Consul does not support TLSSkipVerify.
The old code would break TLSSkipVerify support if Nomad started before
Consul (such as on system boot) as TLSSkipVerify would default to false
if Consul wasn't running. Since TLSSkipVerify has been supported since
Consul 0.7.2, it's safe to relax our handling.
Alex Dadgar