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Merge pull request #4099 from hashicorp/docs-0.8-upgrade

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docs: mention env var changes in upgrade docs
This commit is contained in:
Michael Schurter
2018-04-09 10:56:01 -07:00
committed by GitHub
parent 8728dcf0bb a40bcd2f29
commit c79a9166db
2 changed files with 28 additions and 1 deletions
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3
CHANGELOG.md
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@@ -14,6 +14,9 @@ __BACKWARDS INCOMPATIBILITIES:__
attempts/time interval values have been changed to enable faster server side rescheduling. See
[restart stanza](https://www.nomadproject.io/docs/job-specification/restart.html) for more information.
* jobspec: Removed compatibility code that migrated pre Nomad 0.6.0 Update stanza syntax. All job spec files should be using update stanza fields introduced in 0.7.0 [[GH-3979](https://github.com/hashicorp/nomad/pull/3979/files)]
* client: Periods (`.`) are no longer replaced with underscores (`_`) in
environment variables as many applications rely on periods in environment
variable names. [[GH-3760](https://github.com/hashicorp/nomad/issues/3760)]
IMPROVEMENTS:
* core: Servers can now service client HTTP endpoints [[GH-3892](https://github.com/hashicorp/nomad/issues/3892)]

26
website/source/docs/upgrade/upgrade-specific.html.md
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@@ -17,7 +17,7 @@ standard upgrade flow.
## Nomad 0.8.0
#### Raft Protocol Version Compatibility
### Raft Protocol Version Compatibility
When upgrading to Nomad 0.8.0 from a version lower than 0.7.0, users will need to
set the [`-raft-protocol`](/docs/agent/options.html#_raft_protocol) option to 1 in
@@ -51,6 +51,30 @@ Raft Protocol versions supported by each Consul version:
In order to enable all [Autopilot](/guides/cluster/autopilot.html) features, all servers
in a Nomad cluster must be running with Raft protocol version 3 or later.
### Periods in Environment Variable Names No Longer Escaped
*Applications which expect periods in environment variable names to be replaced
with underscores must be updated.*
In Nomad 0.7 periods (`.`) in environment variables names were replaced with an
underscore in both the [`env`](/docs/job-specification/env.html) and
[`template`](/docs/job-specification/template.html) stanzas.
In Nomad 0.8 periods are *not* replaced and will be included in environment
variables verbatim.
For example the following stanza:
```text
env {
registry.consul.addr = "${NOMAD_IP_http}:8500"
}
```
In Nomad 0.7 would be exposed to the task as
`registry_consul_addr=127.0.0.1:8500`. In Nomad 0.8 it will now appear exactly
as specified: `registry.consul.addr=127.0.0.1:8500`.
## Nomad 0.6.0
### Default `advertise` address changes