* plugin/file: Rename do to walk, cleanup and document
* This renames Do to Walk to be more inline with Go standards. Also make
it return an error instead of a bool.
Also give give walk access to rrs. Alternatively e.m could be
exported, but just access the map of rrs should work as well. Another
alternative would be adding a whole bunch of helper functions, but
those need grab and return the data. Just having access to the rrs
should be easiest for most Walks.
* It adds Type and TypeForWildcard to show the different functions
* *Removes* the identical RR check when inserting; this was only done
for A, AAAA and MX and not finished; removed under the mantra garbage
in garbage out.
* Reuses Types to return all the types in an *tree.Elem
Signed-off-by: Miek Gieben <miek@miek.nl>
* better comments
Signed-off-by: Miek Gieben <miek@miek.nl>
* plugin/file: fix setting ReloadInterval
The reload interval was only correctly set if there was an extra
block for the file. Move this down to set up.
Add test case that fails before, but now works.
Signed-off-by: Miek Gieben <miek@miek.nl>
* layout and use Errorf
Signed-off-by: Miek Gieben <miek@miek.nl>
* replacer: evaluate format once and improve perf by ~3x
This improves the performance of logging by almost 3x and reduces memory
usage by ~8x.
Benchmark results:
benchmark old ns/op new ns/op delta
BenchmarkReplacer-12 644 324 -49.69%
BenchmarkReplacer_CommonLogFormat-12 4228 1471 -65.21%
benchmark old allocs new allocs delta
BenchmarkReplacer-12 8 2 -75.00%
BenchmarkReplacer_CommonLogFormat-12 51 17 -66.67%
benchmark old bytes new bytes delta
BenchmarkReplacer-12 240 48 -80.00%
BenchmarkReplacer_CommonLogFormat-12 3723 446 -88.02%
* replacer: code review comments
* bufPool: document why we use a pointer to a slice
* parseFormat: fix confusing comment
* TestParseFormat_Nodes: rename to TestParseFormatNodes
* replacer: use a value for bufPool instead of a pointer
* replacer: remove comment
* replacer: replace labels with knownLabels
The previous slice of label names is no longer needed.
* log: use ioutil.Discard as write buffer in benchmark
Using a buffer gives unrealistic stats and consumes a large amount of
memory.
* log: lazily check if a msg should be logged
* log: improve variable name
Change 'ok' to the more descriptive 'shouldLog'.
* log: code comments: don't reuse variable
This fix fixes the `\ No newline at end of file`
in plugin/chaos/zowners.go, by adding `"\n"`
to the end of owners_generate.go.
Also fixes a gofmt issue in plugin/etcd/setup.go
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
* plugin/file: make non-existent file non-fatal
If the zone file being loaded doesn't exist *and* reload is enabled,
just wait the file to pop up in the normal Reload routine.
If reload is set to 0s; we keep this a fatal error on startup. Aslo fix
the ticker in z.Reload(): remove the per second ticks and just use the
reload interval for the ticker.
Brush up the documentation a bit as well.
Fixes: #2951
Signed-off-by: Miek Gieben <miek@miek.nl>
* Stickler and test compile
Signed-off-by: Miek Gieben <miek@miek.nl>
* Remove there too
Signed-off-by: Miek Gieben <miek@miek.nl>
* Cant README test these because zone files dont exist
Signed-off-by: Miek Gieben <miek@miek.nl>
* file: close correctlty after AXFR
Don't hijack, but wait for the writes to be done and then savely close
the connection.
Fixes: #2929
Signed-off-by: Miek Gieben <miek@miek.nl>
* Update comment
Signed-off-by: Miek Gieben <miek@miek.nl>
* file: close correctlty after AXFR (#2943)
apply
Signed-off-by: Miek Gieben <miek@miek.nl>
* Update Caddy to 1.0.1, and update import path
This fix updates caddy to 1.0.1 and also
updates the import path to github.com/caddyserver/caddy
This fix fixes 2959
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
* Also update plugin.cfg
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
* Update and bump zplugin.go
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
`upstream` is not needed as a setting; just set if unconditionally and
remove all documentation and tests for it.
At some point we want remove the hanlding for `upstream` as well and
error out on seeing it.
Signed-off-by: Miek Gieben <miek@miek.nl>
This fixes a long standing bug:
fixes: #1609
Load secondary zones in a go-routine; this required another mutex to
protect some fields; I think those were needded anyway because a
transfer can also happen when we're running; we just didn't have a test
for that situation.
The test had to be changed to wait for the transfer to happen at this is
async now.
Signed-off-by: Miek Gieben <miek@miek.nl>
* Provide example to utilize k8s_external plugin
The example provides a specific use case of k8s_external and may help others to grasp `k8s_external`'s capabilities.
* Update plugin/k8s_external/README.md
Co-Authored-By: Chris O'Haver <cohaver@infoblox.com>
* Update plugin/k8s_external/README.md
Co-Authored-By: Chris O'Haver <cohaver@infoblox.com>
* Run gofmt -s and golint on the codebase
Run golint and fix everythign it flagged (except the context arg
ordering), mostly edits in the rewrite plugin.
Signed-off-by: Miek Gieben <miek@miek.nl>
* ... and ofcourse the test as well
Signed-off-by: Miek Gieben <miek@miek.nl>
* plugin/cache: remove item.Autoritative
Confuses clients if not set; remove it.
Signed-off-by: Miek Gieben <miek@miek.nl>
* Add extra comments on why we do this
Signed-off-by: Miek Gieben <miek@miek.nl>
While running make encountered the following error:
```
$ docker run -i -t --rm -v $PWD:/v --net=host -w /v golang:1.12 make
...
...
** presubmit/test-lowercase
plugin/kubernetes/metadata_test.go: t.Errorf("case %d expected metadata %v and got %v", i, tc.Md, md)
** presubmit/test-lowercase: please start with an upper case letter when using t.Error*()
Makefile:62: recipe for target 'presubmit' failed
make: *** [presubmit] Error 1
```
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
Add OnRestartFailed to the ready plugin and some various cleanups.
Document slightly better how things are supposed to work with multiple
`ready`'s in the multiple Server Blocks.
All manually tested with this Corefile:
~~~
. {
log
ready
}
example.org {
log
chaos
ready
}
~~~
And then `kill -SIGUSR1` and curling the ready endpoint. This works
well, the FailedReload is triggered by adding a syntax error in the
Corefile.
See #2659
Signed-off-by: Miek Gieben <miek@miek.nl>
Don't add pods to our internal cache that are being deleted. This saves
a field in the struct as well.
Add (extra) comments about adding fields to the
object/{Pod,Service,Endpoint} structs.
Signed-off-by: Miek Gieben <miek@miek.nl>
* make sure client CA and auth type are set if CA is explicitly specified.
added some simple tests to confirm the effect.
* test certificates (forgot to add them in the previous commit)
* made client auth policy configurable with new client_auth option.
README has been updated accordingly.
* fix editorial in README
* Fix for #2842, instead of returning the first Pod, return the one which is Running
* a more memory efficient version of the fix, string -> bool
* fix with no extra fields in struct, return nil at Pod conversion if Pod is not Running
* let Kuberneretes filter for Running Pods using FieldSelector
* filter for Pods that are Running and Pending (implicit)
* pkg/log: fix data race on d
Wrap d in a mutex to prevent data race. This makes is slower, but this
is a debugging aid anyway. It's not used normally.
Signed-off-by: Miek Gieben <miek@miek.nl>
* Fix tests compilation
Signed-off-by: Miek Gieben <miek@miek.nl>
* Fix test compile
Signed-off-by: Miek Gieben <miek@miek.nl>
This fixes a data race on the listener(s) that get started in the
metrics plugins.
It also restore pkg/uniq to its former glory and removes and state being
carried in there; this means for metrics that registry.go was to
replicate that behavior *with* locking (as pkg/uniq doesn't do, or need
that).
Also renamed uniqAddr to just u, to make it slightly shorter.
Signed-off-by: Miek Gieben <miek@miek.nl>
Fix metrics endpoint on a failed reload, follows the same lines as the
previous PRs, see for e.g. 076b8d4f. Test with a Corefile with 2 server
blocks and metrics enabled and then introducing a syntax error:
~~~
[ERROR] Restart failed: Corefile:5 - Error during parsing: Unknown directive 'jfkdjk'
[ERROR] SIGUSR1: starting with listener file descriptors: Corefile:5 - Error during parsing: Unknown directive 'jfkdjk'
~~~
And then curl-ing the metrics endpoint.
See #2659 and as this is the last one.
Fixes: #2659
Getting this all right turns out to be tricky, also it's not easy
testable which is something I should fix.
Signed-off-by: Miek Gieben <miek@miek.nl>
