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grpc: factor out base classes for gRPC based drivers #276

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merged 25 commits into from
Oct 7, 2024

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alltilla
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@alltilla alltilla commented Sep 6, 2024

TODO:

  • fix macOS build
  • manually try out all the drivers
  • write news entries about the new options
  • follow-up using macros in the parser.h files in cfg-helper

For the reviewers:

  • It is not trivial which options are gRPC related and which are actual driver specific. I have made a classification myself and factored out what I thought to be common, but please think about it yourselves, while you are reviewing.
  • Some features that I classified as gRPC related were not implemented in some drivers, so I added them. Please double check if the newly added features make sense in the drivers.
  • Is it the best to statically link the grpc-common target? I thought that dynamic linking would be better but I received a lot of linker warnings about it not being portable. Have I missed something?
  • Is there a better way to merge two sets of keywords than defining a macro like GRPC_KEYWORDS? It messes up the cfg-helper :/ gcc -E and a bit of parsing improvement in axosyslog-cfg-helper will be able to handle this.

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github-actions bot commented Sep 6, 2024

This Pull Request introduces config grammar changes

axoflow/8d8eab09d02508dfeddf1cdbc8fae5d783ef3489 -> alltilla/grpc-factor-out-common-classes

--- a/destination
+++ b/destination

 axosyslog-otlp(
+    keep-alive(
+        <empty>
+        max-pings-without-data(<nonnegative-integer>)
+        time(<nonnegative-integer>)
+        timeout(<nonnegative-integer>)
+    )
 )

 bigquery(
+    auth(
+        adc(<empty>)
+        alts(
+            <empty>
+            target-service-accounts(
+                <empty>
+                <string>
+            )
+        )
+        insecure(<empty>)
+        tls(
+            <empty>
+            ca-file(<string>)
+            cert-file(<string>)
+            key-file(<string>)
+        )
+    )
 )

 loki(
+    batch-bytes(<positive-integer>)
+    compression(<yesno>)
 )

 opentelemetry(
+    keep-alive(
+        <empty>
+        max-pings-without-data(<nonnegative-integer>)
+        time(<nonnegative-integer>)
+        timeout(<nonnegative-integer>)
+    )
 )

 syslog-ng-otlp(
+    keep-alive(
+        <empty>
+        max-pings-without-data(<nonnegative-integer>)
+        time(<nonnegative-integer>)
+        timeout(<nonnegative-integer>)
+    )
 )

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Let me get back to you with answers to your questions / requests.
Overall a solid looking PR, huge kudos for doing the extraction 💯

modules/grpc/credentials/Makefile.am Show resolved Hide resolved
modules/grpc/metrics/CMakeLists.txt Show resolved Hide resolved
modules/grpc/common/grpc-dest-worker.cpp Outdated Show resolved Hide resolved
modules/grpc/common/grpc-dest.hpp Outdated Show resolved Hide resolved
modules/grpc/common/grpc-dest.hpp Outdated Show resolved Hide resolved
modules/grpc/common/grpc-source.cpp Outdated Show resolved Hide resolved
modules/grpc/common/grpc-source.cpp Outdated Show resolved Hide resolved
modules/grpc/common/grpc-source.hpp Outdated Show resolved Hide resolved
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@alltilla
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diff --git a/modules/grpc/common/Makefile.am b/modules/grpc/common/Makefile.am
index 541ba9f05..5c2cd99c6 100644
--- a/modules/grpc/common/Makefile.am
+++ b/modules/grpc/common/Makefile.am
@@ -3,7 +3,7 @@ include modules/grpc/common/metrics/Makefile.am
 
 if ENABLE_GRPC
 
-noinst_LTLIBRARIES += modules/grpc/common/libgrpc-common.la
+lib_LTLIBRARIES += modules/grpc/common/libgrpc-common.la
 
 GRPC_COMMON_CFLAGS = \
   -I$(top_srcdir)/modules/grpc/common \

causes

*** Warning: Linking the shared library modules/grpc/loki/libloki.la against the loadable module
*** libgrpc-common.so is not portable!
  CXXLD    modules/grpc/otel/libotel_cpp.la
  CXXLD    modules/grpc/otel/libotel.la

*** Warning: Linking the shared library modules/grpc/otel/libotel.la against the loadable module
*** libgrpc-common.so is not portable!
  CXXLD    modules/grpc/bigquery/libbigquery_cpp.la
  CXXLD    modules/grpc/bigquery/libbigquery.la

*** Warning: Linking the shared library modules/grpc/bigquery/libbigquery.la against the loadable module
*** libgrpc-common.so is not portable!

@alltilla alltilla force-pushed the grpc-factor-out-common-classes branch 2 times, most recently from faedca4 to 121be0c Compare September 16, 2024 13:58
alltilla added a commit to alltilla/axosyslog that referenced this pull request Sep 17, 2024
Signed-off-by: Attila Szakacs <[email protected]>
@alltilla alltilla force-pushed the grpc-factor-out-common-classes branch from 121be0c to 02559f1 Compare September 17, 2024 15:29
alltilla added a commit to alltilla/axosyslog that referenced this pull request Sep 18, 2024
Signed-off-by: Attila Szakacs <[email protected]>
@alltilla alltilla force-pushed the grpc-factor-out-common-classes branch from 02559f1 to a0eb426 Compare September 18, 2024 11:25
OverOrion
OverOrion previously approved these changes Sep 20, 2024
@MrAnno
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MrAnno commented Sep 24, 2024

I think we shouldn't introduce more dynamic libraries around the gRPC drivers, we already have one (static linking seems more than okay in this specific case).

alltilla added a commit to alltilla/axosyslog that referenced this pull request Sep 24, 2024
Signed-off-by: Attila Szakacs <[email protected]>
@alltilla alltilla force-pushed the grpc-factor-out-common-classes branch from a0eb426 to d6d37f5 Compare September 24, 2024 12:13
@alltilla
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Fixed one review finding and rebased to main.

@MrAnno
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MrAnno commented Sep 26, 2024

Let's ask @mitzkia to check the compatibility of this PR next week (manually or in an automated way).

alltilla added a commit to alltilla/axosyslog that referenced this pull request Oct 4, 2024
Signed-off-by: Attila Szakacs <[email protected]>
@alltilla alltilla force-pushed the grpc-factor-out-common-classes branch from d6d37f5 to 72e64bc Compare October 4, 2024 08:30
@alltilla
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alltilla commented Oct 4, 2024

rebased to main

alltilla added a commit to alltilla/axosyslog that referenced this pull request Oct 7, 2024
Signed-off-by: Attila Szakacs <[email protected]>
@alltilla alltilla force-pushed the grpc-factor-out-common-classes branch from 65d3bba to 6b20819 Compare October 7, 2024 09:31
Signed-off-by: Attila Szakacs <[email protected]>
With this a grammar file can load additional grammar files
for declarations to use.

Signed-off-by: Attila Szakacs <[email protected]>
Signed-off-by: Attila Szakacs <[email protected]>
Signed-off-by: Attila Szakacs <[email protected]>
Signed-off-by: Attila Szakacs <[email protected]>
Signed-off-by: Attila Szakacs <[email protected]>
@alltilla alltilla force-pushed the grpc-factor-out-common-classes branch from 6b20819 to 9413815 Compare October 7, 2024 09:35
@alltilla alltilla requested a review from MrAnno October 7, 2024 09:40
@MrAnno MrAnno merged commit e241431 into axoflow:main Oct 7, 2024
22 checks passed
fekete-robert pushed a commit to axoflow/axosyslog-core-docs that referenced this pull request Nov 8, 2024
fekete-robert pushed a commit to axoflow/axosyslog-core-docs that referenced this pull request Nov 8, 2024
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3 participants