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# Copyright 2016 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Don't allow users to call this directly. There are too many variables this
# assumes to inherit from the main Makefile. This is not a user-facing file.
i f e q ( $( CALLED_FROM_MAIN_MAKEFILE ) , )
$( error Please use the main Makefile, e.g. ` make generated_files` )
e n d i f
# Don't allow an implicit 'all' rule. This is not a user-facing file.
i f e q ( $( MAKECMDGOALS ) , )
$( error This Makefile requires an explicit rule to be specified)
e n d i f
i f e q ( $( DBG_MAKEFILE ) , 1 )
$( warning ***** starting Makefile.generated_files for goal( s) " $( MAKECMDGOALS) " )
$( warning ***** $( shell date) )
e n d i f
# It's necessary to set this because some environments don't link sh -> bash.
SHELL := /bin/bash
# This rule collects all the generated file sets into a single rule. Other
# rules should depend on this to ensure generated files are rebuilt.
.PHONY : generated_files
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generated_files : gen_deepcopy gen_defaulter gen_conversion gen_openapi gen_bindata
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#
# Helper logic to calculate Go's dependency DAG ourselves.
#
# This is a file that will be emitted by the go2make tool, containing a
# variable for each Go package in the project (including deps) which lists all
# of the transitive deps of that package. Each variable is named the same as
# the package - for example the variable for `k8s.io/kubernetes/pkg/api` is
# $(k8s.io/kubernetes/pkg/api). This is roughly the same DAG that the Go
# compiler uses. These variables can be used to figure out if, for example,
# generated code needs to be regenerated.
GO_PKGDEPS_FILE = go-pkgdeps.mk
# Include the Go package dependencies file. This will cause the rule of
# the same name to be considered and if it is updated, make will restart and
# reload the updated deps.
s i n c l u d e $( META_DIR ) / $( GO_PKGDEPS_FILE )
# Update the set of Go deps for our project. This will let us determine if
# we really need to do expensive codegen. We use FORCE because it is not a
# PHONY file, but we do want it to be re-evaluated every time make is run. The
# file will only be touched if it actually changes.
$(META_DIR)/$(GO_PKGDEPS_FILE) : FORCE
if [ [ " $( DBG_CODEGEN) " = = 1 ] ] ; then \
echo "DBG: calculating Go dependencies" ; \
fi
hack/run-in-gopath.sh go install ./hack/make-rules/helpers/go2make
hack/run-in-gopath.sh go2make \
k8s.io/kubernetes/... \
--prune k8s.io/kubernetes/staging \
--prune k8s.io/kubernetes/vendor \
k8s.io/kubernetes/vendor/k8s.io/... \
github.com/jteeuwen/go-bindata/go-bindata/... \
> $@ .tmp
if ! cmp -s $@ .tmp $@ ; then \
if [ [ " $( DBG_CODEGEN) " = = 1 ] ] ; then \
echo " DBG: $( GO_PKGDEPS_FILE) changed " ; \
fi ; \
cat $@ .tmp > $@ ; \
fi
rm -f $@ .tmp
.PHONY : FORCE
FORCE :
#
# Helper logic to find which directories need codegen as quickly as possible.
#
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# This variable holds a list of every directory that contains Go files in this
# project. Other rules and variables can use this as a starting point to
# reduce filesystem accesses.
i f e q ( $( DBG_MAKEFILE ) , 1 )
$( warning ***** finding all *.go dirs )
e n d i f
ALL_GO_DIRS := $( shell \
hack/make-rules/helpers/cache_go_dirs.sh $( META_DIR) /all_go_dirs.mk \
)
# Generate a list of all files that have a `+k8s:` comment-tag. This will be
# used to derive lists of files/dirs for generation tools.
i f e q ( $( DBG_MAKEFILE ) , 1 )
$( warning ***** finding all +k8s: tags)
e n d i f
ALL_K8S_TAG_FILES := $( shell \
find $( ALL_GO_DIRS) -maxdepth 1 -type f -name \* .go \
| xargs grep --color= never -l '^// *+k8s:' \
)
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#
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# Code generation logic.
#
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# Deep-copy generation
#
# Any package that wants deep-copy functions generated must include a
# comment-tag in column 0 of one file of the form:
# // +k8s:deepcopy-gen=<VALUE>
#
# The <VALUE> may be one of:
# generate: generate deep-copy functions into the package
# register: generate deep-copy functions and register them with a
# scheme
# The result file, in each pkg, of deep-copy generation.
DEEPCOPY_BASENAME := $( GENERATED_FILE_PREFIX) deepcopy
DEEPCOPY_FILENAME := $( DEEPCOPY_BASENAME) .go
# The tool used to generate deep copies.
DEEPCOPY_GEN := $( BIN_DIR) /deepcopy-gen
# Find all the directories that request deep-copy generation.
i f e q ( $( DBG_MAKEFILE ) , 1 )
$( warning ***** finding all +k8s:deepcopy-gen tags)
e n d i f
DEEPCOPY_DIRS := $( shell \
grep --color= never -l '+k8s:deepcopy-gen=' $( ALL_K8S_TAG_FILES) \
| xargs -n1 dirname \
| LC_ALL = C sort -u \
)
DEEPCOPY_FILES := $( addsuffix /$( DEEPCOPY_FILENAME) , $( DEEPCOPY_DIRS) )
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# Reset the list of packages that need generation.
$( shell mkdir -p $ $ ( dirname $ ( META_DIR ) /$ ( DEEPCOPY_GEN ) ) )
$( shell rm -f $ ( META_DIR ) /$ ( DEEPCOPY_GEN ) .todo )
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# This rule aggregates the set of files to generate and then generates them all
# in a single run of the tool.
.PHONY : gen_deepcopy
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gen_deepcopy : $( DEEPCOPY_GEN ) $( META_DIR ) /$( DEEPCOPY_GEN ) .todo
if [ [ -s $( META_DIR) /$( DEEPCOPY_GEN) .todo ] ] ; then \
pkgs = $$ ( cat $( META_DIR) /$( DEEPCOPY_GEN) .todo | paste -sd, -) ; \
if [ [ " $( DBG_CODEGEN) " = = 1 ] ] ; then \
echo " DBG: running $( DEEPCOPY_GEN) for $$ pkgs " ; \
fi ; \
./hack/run-in-gopath.sh $( DEEPCOPY_GEN) \
--v $( KUBE_VERBOSE) \
--logtostderr \
-i " $$ pkgs " \
--bounding-dirs $( PRJ_SRC_PATH) ,"k8s.io/api" \
-O $( DEEPCOPY_BASENAME) \
" $$ @ " ; \
fi \
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# For each dir in DEEPCOPY_DIRS, this establishes a dependency between the
# output file and the input files that should trigger a rebuild.
#
# Note that this is a deps-only statement, not a full rule (see below). This
# has to be done in a distinct step because wildcards don't work in static
# pattern rules.
#
# The '$(eval)' is needed because this has a different RHS for each LHS, and
# would otherwise produce results that make can't parse.
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$( foreach dir , $ ( DEEPCOPY_DIRS ) , $ ( eval \
$( dir) /$( DEEPCOPY_FILENAME) : $( $( PRJ_SRC_PATH) /$( dir) ) \
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) )
# How to regenerate deep-copy code. This is a little slow to run, so we batch
# it up and trigger the batch from the 'generated_files' target.
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$(META_DIR)/$(DEEPCOPY_GEN).todo : $( DEEPCOPY_FILES )
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$(DEEPCOPY_FILES) : $( DEEPCOPY_GEN )
if [ [ " $( DBG_CODEGEN) " = = 1 ] ] ; then \
echo " DBG: deepcopy needed $( @D) : $? " ; \
ls -lf --full-time $@ $? || true; \
fi
echo $( PRJ_SRC_PATH) /$( @D) >> $( META_DIR) /$( DEEPCOPY_GEN) .todo
# How to build the generator tool. The deps for this are defined in
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# the $(GO_PKGDEPS_FILE), above.
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#
# A word on the need to touch: This rule might trigger if, for example, a
# non-Go file was added or deleted from a directory on which this depends.
# This target needs to be reconsidered, but Go realizes it doesn't actually
# have to be rebuilt. In that case, make will forever see the dependency as
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# newer than the binary, and try to "rebuild" it over and over. So we touch
# it, and make is happy.
$(DEEPCOPY_GEN) : $( k 8s .io /kubernetes /vendor /k 8s .io /code -generator /cmd /deepcopy -gen )
KUBE_BUILD_PLATFORMS = "" hack/make-rules/build.sh ./vendor/k8s.io/code-generator/cmd/deepcopy-gen
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touch $@
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# Defaulter generation
#
# Any package that wants defaulter functions generated must include a
# comment-tag in column 0 of one file of the form:
# // +k8s:defaulter-gen=<VALUE>
#
# The <VALUE> depends on context:
# on types:
# true: always generate a defaulter for this type
# false: never generate a defaulter for this type
# on functions:
# covers: if the function name matches SetDefault_NAME, instructs
# the generator not to recurse
# on packages:
# FIELDNAME: any object with a field of this name is a candidate
# for having a defaulter generated
# The result file, in each pkg, of defaulter generation.
DEFAULTER_BASENAME := $( GENERATED_FILE_PREFIX) defaults
DEFAULTER_FILENAME := $( DEFAULTER_BASENAME) .go
# The tool used to generate defaulters.
DEFAULTER_GEN := $( BIN_DIR) /defaulter-gen
# All directories that request any form of defaulter generation.
i f e q ( $( DBG_MAKEFILE ) , 1 )
$( warning ***** finding all +k8s:defaulter-gen tags)
e n d i f
DEFAULTER_DIRS := $( shell \
grep --color= never -l '+k8s:defaulter-gen=' $( ALL_K8S_TAG_FILES) \
| xargs -n1 dirname \
| LC_ALL = C sort -u \
)
DEFAULTER_FILES := $( addsuffix /$( DEFAULTER_FILENAME) , $( DEFAULTER_DIRS) )
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# Reset the list of packages that need generation.
$( shell mkdir -p $ $ ( dirname $ ( META_DIR ) /$ ( DEFAULTER_GEN ) ) )
$( shell rm -f $ ( META_DIR ) /$ ( DEFAULTER_GEN ) .todo )
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# This rule aggregates the set of files to generate and then generates them all
# in a single run of the tool.
.PHONY : gen_defaulter
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gen_defaulter : $( DEFAULTER_GEN ) $( META_DIR ) /$( DEFAULTER_GEN ) .todo
if [ [ -s $( META_DIR) /$( DEFAULTER_GEN) .todo ] ] ; then \
pkgs = $$ ( cat $( META_DIR) /$( DEFAULTER_GEN) .todo | paste -sd, -) ; \
if [ [ " $( DBG_CODEGEN) " = = 1 ] ] ; then \
echo " DBG: running $( DEFAULTER_GEN) for $$ pkgs " ; \
fi ; \
./hack/run-in-gopath.sh $( DEFAULTER_GEN) \
--v $( KUBE_VERBOSE) \
--logtostderr \
-i " $$ pkgs " \
--extra-peer-dirs $$ ( echo $( addprefix $( PRJ_SRC_PATH) /, $( DEFAULTER_DIRS) ) | sed 's/ /,/g' ) \
-O $( DEFAULTER_BASENAME) \
" $$ @ " ; \
fi
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# For each dir in DEFAULTER_DIRS, this establishes a dependency between the
# output file and the input files that should trigger a rebuild.
#
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# Note that this is a deps-only statement, not a full rule (see below for that).
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#
# The '$(eval)' is needed because this has a different RHS for each LHS, and
# would otherwise produce results that make can't parse.
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$( foreach dir , $ ( DEFAULTER_DIRS ) , $ ( eval \
$( dir) /$( DEFAULTER_FILENAME) : $( $( PRJ_SRC_PATH) /$( dir) ) \
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) )
# How to regenerate defaulter code. This is a little slow to run, so we batch
# it up and trigger the batch from the 'generated_files' target.
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$(META_DIR)/$(DEFAULTER_GEN).todo : $( DEFAULTER_FILES )
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$(DEFAULTER_FILES) : $( DEFAULTER_GEN )
if [ [ " $( DBG_CODEGEN) " = = 1 ] ] ; then \
echo " DBG: defaulter needed $( @D) : $? " ; \
ls -lf --full-time $@ $? || true; \
fi
echo $( PRJ_SRC_PATH) /$( @D) >> $( META_DIR) /$( DEFAULTER_GEN) .todo
# How to build the generator tool. The deps for this are defined in
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# the $(GO_PKGDEPS_FILE), above.
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#
# A word on the need to touch: This rule might trigger if, for example, a
# non-Go file was added or deleted from a directory on which this depends.
# This target needs to be reconsidered, but Go realizes it doesn't actually
# have to be rebuilt. In that case, make will forever see the dependency as
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# newer than the binary, and try to "rebuild" it over and over. So we touch
# it, and make is happy.
$(DEFAULTER_GEN) : $( k 8s .io /kubernetes /vendor /k 8s .io /code -generator /cmd /defaulter -gen )
KUBE_BUILD_PLATFORMS = "" hack/make-rules/build.sh ./vendor/k8s.io/code-generator/cmd/defaulter-gen
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touch $@
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# Conversion generation
#
# Any package that wants conversion functions generated must include one or
# more comment-tags in any .go file, in column 0, of the form:
# // +k8s:conversion-gen=<CONVERSION_TARGET_DIR>
#
# The CONVERSION_TARGET_DIR is a project-local path to another directory which
# should be considered when evaluating peer types for conversions. Types which
# are found in the source package (where conversions are being generated)
# but do not have a peer in one of the target directories will not have
# conversions generated.
#
# TODO: it might be better in the long term to make peer-types explicit in the
# IDL.
# The result file, in each pkg, of conversion generation.
CONVERSION_BASENAME := $( GENERATED_FILE_PREFIX) conversion
CONVERSION_FILENAME := $( CONVERSION_BASENAME) .go
# The tool used to generate conversions.
CONVERSION_GEN := $( BIN_DIR) /conversion-gen
# The name of the metadata file listing conversion peers for each pkg.
CONVERSIONS_META := conversions.mk
# All directories that request any form of conversion generation.
i f e q ( $( DBG_MAKEFILE ) , 1 )
$( warning ***** finding all +k8s:conversion-gen tags)
e n d i f
CONVERSION_DIRS := $( shell \
grep --color= never '^// *+k8s:conversion-gen=' $( ALL_K8S_TAG_FILES) \
| cut -f1 -d: \
| xargs -n1 dirname \
| LC_ALL = C sort -u \
)
CONVERSION_FILES := $( addsuffix /$( CONVERSION_FILENAME) , $( CONVERSION_DIRS) )
CONVERSION_EXTRA_PEER_DIRS := k8s.io/kubernetes/pkg/apis/core,k8s.io/kubernetes/pkg/apis/core/v1,k8s.io/api/core/v1
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# Reset the list of packages that need generation.
$( shell mkdir -p $ $ ( dirname $ ( META_DIR ) /$ ( CONVERSION_GEN ) ) )
$( shell rm -f $ ( META_DIR ) /$ ( CONVERSION_GEN ) .todo )
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# This rule aggregates the set of files to generate and then generates them all
# in a single run of the tool.
.PHONY : gen_conversion
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gen_conversion : $( CONVERSION_GEN ) $( META_DIR ) /$( CONVERSION_GEN ) .todo
if [ [ -s $( META_DIR) /$( CONVERSION_GEN) .todo ] ] ; then \
pkgs = $$ ( cat $( META_DIR) /$( CONVERSION_GEN) .todo | paste -sd, -) ; \
if [ [ " $( DBG_CODEGEN) " = = 1 ] ] ; then \
echo " DBG: running $( CONVERSION_GEN) for $$ pkgs " ; \
fi ; \
./hack/run-in-gopath.sh $( CONVERSION_GEN) \
--extra-peer-dirs $( CONVERSION_EXTRA_PEER_DIRS) \
--v $( KUBE_VERBOSE) \
--logtostderr \
-i " $$ pkgs " \
-O $( CONVERSION_BASENAME) \
" $$ @ " ; \
fi
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# For each dir in CONVERSION_DIRS, this establishes a dependency between the
# output file and the input files that should trigger a rebuild.
#
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# Note that this is a deps-only statement, not a full rule (see below for that).
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#
# The '$(eval)' is needed because this has a different RHS for each LHS, and
# would otherwise produce results that make can't parse.
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$( foreach dir , $ ( CONVERSION_DIRS ) , $ ( eval \
$( dir) /$( CONVERSION_FILENAME) : $( $( PRJ_SRC_PATH) /$( dir) ) \
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) )
# How to regenerate conversion code. This is a little slow to run, so we batch
# it up and trigger the batch from the 'generated_files' target.
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$(META_DIR)/$(CONVERSION_GEN).todo : $( CONVERSION_FILES )
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$(CONVERSION_FILES) : $( CONVERSION_GEN )
if [ [ " $( DBG_CODEGEN) " = = 1 ] ] ; then \
echo " DBG: conversion needed $( @D) : $? " ; \
ls -lf --full-time $@ $? || true; \
fi
echo $( PRJ_SRC_PATH) /$( @D) >> $( META_DIR) /$( CONVERSION_GEN) .todo
# How to build the generator tool. The deps for this are defined in
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# the $(GO_PKGDEPS_FILE), above.
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#
# A word on the need to touch: This rule might trigger if, for example, a
# non-Go file was added or deleted from a directory on which this depends.
# This target needs to be reconsidered, but Go realizes it doesn't actually
# have to be rebuilt. In that case, make will forever see the dependency as
# newer than the binary, and try to rebuild it over and over. So we touch it,
# and make is happy.
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$(CONVERSION_GEN) : $( k 8s .io /kubernetes /vendor /k 8s .io /code -generator /cmd /conversion -gen )
KUBE_BUILD_PLATFORMS = "" hack/make-rules/build.sh ./vendor/k8s.io/code-generator/cmd/conversion-gen
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touch $@
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# OpenAPI generation
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#
# Any package that wants open-api functions generated must include a
# comment-tag in column 0 of one file of the form:
# // +k8s:openapi-gen=true
#
# The result file, in each pkg, of open-api generation.
OPENAPI_BASENAME := $( GENERATED_FILE_PREFIX) openapi
OPENAPI_FILENAME := $( OPENAPI_BASENAME) .go
OPENAPI_OUTPUT_PKG := pkg/generated/openapi
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BOILERPLATE_FILENAME := vendor/k8s.io/code-generator/hack/boilerplate.go.txt
REPORT_FILENAME := $( OUT_DIR) /violations.report
KNOWN_VIOLATION_FILENAME := api/api-rules/violation_exceptions.list
# When UPDATE_API_KNOWN_VIOLATIONS is set to be true, let the generator to write
# updated API violations to the known API violation exceptions list.
i f e q ( $( UPDATE_API_KNOWN_VIOLATIONS ) , t r u e )
REPORT_FILENAME:= $( KNOWN_VIOLATION_FILENAME)
# When UPDATE_API_KNOWN_VIOLATIONS is set to be true, touch the exceptions
# list so that the OPENAPI_OUTFILE target re-run instead of being cached.
$( shell touch $( KNOWN_VIOLATION_FILENAME) )
e n d i f
API_RULE_CHECK_FAILURE_MESSAGE := "ERROR: \n\t API rule check failed. Reported violations differ from known violations. Please read api/api-rules/README.md to resolve the failure. \n"
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# The tool used to generate open apis.
OPENAPI_GEN := $( BIN_DIR) /openapi-gen
# Find all the directories that request open-api generation.
i f e q ( $( DBG_MAKEFILE ) , 1 )
$( warning ***** finding all +k8s:openapi-gen tags)
e n d i f
OPENAPI_DIRS := $( shell \
grep --color= never -l '+k8s:openapi-gen=' $( ALL_K8S_TAG_FILES) \
| xargs -n1 dirname \
| LC_ALL = C sort -u \
)
OPENAPI_OUTFILE := $( OPENAPI_OUTPUT_PKG) /$( OPENAPI_FILENAME)
# This rule is the user-friendly entrypoint for openapi generation.
.PHONY : gen_openapi
gen_openapi : $( OPENAPI_OUTFILE ) $( OPENAPI_GEN )
# For each dir in OPENAPI_DIRS, this establishes a dependency between the
# output file and the input files that should trigger a rebuild.
#
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# Note that this is a deps-only statement, not a full rule (see below for that).
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#
# The '$(eval)' is needed because this has a different RHS for each LHS, and
# would otherwise produce results that make can't parse.
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$( foreach dir , $ ( OPENAPI_DIRS ) , $ ( eval \
$( OPENAPI_OUTFILE) : $( $( PRJ_SRC_PATH) /$( dir) ) \
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) )
# How to regenerate open-api code. This emits a single file for all results.
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# The Make rule fails if generated API rule violation report differs from the checked-in
# violation file, and prints error message to request developer to fix either the API
# source code, or the known API rule violation file.
$(OPENAPI_OUTFILE) : $( OPENAPI_GEN ) $( KNOWN_VIOLATION_FILENAME )
./hack/run-in-gopath.sh $( OPENAPI_GEN) \
--v $( KUBE_VERBOSE) \
--logtostderr \
-i $$ ( echo $( addprefix $( PRJ_SRC_PATH) /, $( OPENAPI_DIRS) ) | sed 's/ /,/g' ) \
-p $( PRJ_SRC_PATH) /$( OPENAPI_OUTPUT_PKG) \
-O $( OPENAPI_BASENAME) \
-h $( BOILERPLATE_FILENAME) \
-r $( REPORT_FILENAME) \
" $$ @ " ; \
diff $( REPORT_FILENAME) $( KNOWN_VIOLATION_FILENAME) || \
( echo -e $( API_RULE_CHECK_FAILURE_MESSAGE) ; exit 1)
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# How to build the generator tool. The deps for this are defined in
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# the $(GO_PKGDEPS_FILE), above.
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#
# A word on the need to touch: This rule might trigger if, for example, a
# non-Go file was added or deleted from a directory on which this depends.
# This target needs to be reconsidered, but Go realizes it doesn't actually
# have to be rebuilt. In that case, make will forever see the dependency as
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# newer than the binary, and try to "rebuild" it over and over. So we touch
# it, and make is happy.
$(OPENAPI_GEN) : $( k 8s .io /kubernetes /vendor /k 8s .io /kube -openapi /cmd /openapi -gen )
KUBE_BUILD_PLATFORMS = "" hack/make-rules/build.sh ./vendor/k8s.io/kube-openapi/cmd/openapi-gen
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touch $@
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# bindata generation
#
# The tool used to generate bindata files.
BINDATA_GEN := $( BIN_DIR) /go-bindata
# A wrapper script that generates all bindata files. It is fast enough that we
# don't care.
BINDATA_SCRIPT := hack/generate-bindata.sh
# This rule is the user-friendly entrypoint for bindata generation.
.PHONY : gen_bindata
gen_bindata : $( BINDATA_GEN ) FORCE
./hack/run-in-gopath.sh $( BINDATA_SCRIPT)
# How to build the generator tool. The deps for this are defined in
# the $(BINDATA_GEN).mk, above.
#
# A word on the need to touch: This rule might trigger if, for example, a
# non-Go file was added or deleted from a directory on which this depends.
# This target needs to be reconsidered, but Go realizes it doesn't actually
# have to be rebuilt. In that case, make will forever see the dependency as
# newer than the binary, and try to rebuild it over and over. So we touch it,
# and make is happy.
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$(BINDATA_GEN) : $( k 8s .io /kubernetes /vendor /github .com /jteeuwen /go -bindata /go -bindata )
KUBE_BUILD_PLATFORMS = "" hack/make-rules/build.sh ./vendor/github.com/jteeuwen/go-bindata/go-bindata
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touch $@