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Add Kustomize Support #1045

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fbb9949
Add Kustomize support to kube-linter
janisz Oct 28, 2025
d133013
Upgrade k8s-manifests-lib to v0.1.2 for source file tracking
janisz Oct 29, 2025
3ed89ea
fmt
janisz Oct 30, 2025
57a14a3
remove unsupported ignore paths
janisz Oct 30, 2025
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20 changes: 20 additions & 0 deletions e2etests/bats-tests.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -1146,3 +1146,23 @@ get_value_from() {
[[ "${count}" == "1" ]]
}

@test "kustomize-support" {
tmp="tests/testdata/mykustomize"
cmd="${KUBE_LINTER_BIN} lint --format json ${tmp}"
run ${cmd}

print_info "${status}" "${output}" "${cmd}" "${tmp}"
[ "$status" -eq 1 ]

# Verify that kustomize manifests were rendered and linted
deployment_name=$(get_value_from "${lines[0]}" '.Reports[0].Object.K8sObject.Name')
deployment_kind=$(get_value_from "${lines[0]}" '.Reports[0].Object.K8sObject.GroupVersionKind.Kind')
count=$(get_value_from "${lines[0]}" '.Reports | length')

# The deployment name should have the kustomize namePrefix applied
[[ "${deployment_name}" == "kustomize-test-deployment" ]]
[[ "${deployment_kind}" == "Deployment" ]]
# There should be lint errors for the deployment
[[ "${count}" -ge 1 ]]
}

44 changes: 32 additions & 12 deletions go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ require (
github.com/go-viper/mapstructure/v2 v2.4.0
github.com/goccy/go-yaml v1.18.0
github.com/google/cel-go v0.26.1
github.com/lburgazzoli/k8s-manifests-lib v0.1.2
github.com/mitchellh/go-homedir v1.1.0
github.com/mitchellh/mapstructure v1.5.0
github.com/openshift/api v0.0.0-20230406152840-ce21e3fe5da2
Expand All @@ -29,51 +30,68 @@ require (

require (
cel.dev/expr v0.24.0 // indirect
dario.cat/mergo v1.0.1 // indirect
dario.cat/mergo v1.0.2 // indirect
github.com/Azure/go-ansiterm v0.0.0-20250102033503-faa5f7b0171c // indirect
github.com/BurntSushi/toml v1.5.0 // indirect
github.com/MakeNowJust/heredoc v1.0.0 // indirect
github.com/Masterminds/goutils v1.1.1 // indirect
github.com/Masterminds/semver/v3 v3.4.0 // indirect
github.com/Masterminds/squirrel v1.5.4 // indirect
github.com/antlr4-go/antlr/v4 v4.13.1 // indirect
github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 // indirect
github.com/blang/semver/v4 v4.0.0 // indirect
github.com/chai2010/gettext-go v1.0.2 // indirect
github.com/chai2010/gettext-go v1.0.3 // indirect
github.com/containerd/containerd v1.7.28 // indirect
github.com/containerd/errdefs v0.3.0 // indirect
github.com/containerd/errdefs v1.0.0 // indirect
github.com/containerd/log v0.1.0 // indirect
github.com/containerd/platforms v0.2.1 // indirect
github.com/cyphar/filepath-securejoin v0.4.1 // indirect
github.com/cyphar/filepath-securejoin v0.5.0 // indirect
github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
github.com/emicklei/go-restful/v3 v3.13.0 // indirect
github.com/evanphx/json-patch v5.9.11+incompatible // indirect
github.com/exponent-io/jsonpath v0.0.0-20210407135951-1de76d718b3f // indirect
github.com/fsnotify/fsnotify v1.9.0 // indirect
github.com/fxamacker/cbor/v2 v2.9.0 // indirect
github.com/go-errors/errors v1.5.1 // indirect
github.com/go-gorp/gorp/v3 v3.1.0 // indirect
github.com/go-logr/logr v1.4.3 // indirect
github.com/go-openapi/jsonpointer v0.22.1 // indirect
github.com/go-openapi/jsonreference v0.21.2 // indirect
github.com/go-openapi/swag v0.23.1 // indirect
github.com/go-openapi/swag v0.25.1 // indirect
github.com/go-openapi/swag/cmdutils v0.25.1 // indirect
github.com/go-openapi/swag/conv v0.25.1 // indirect
github.com/go-openapi/swag/fileutils v0.25.1 // indirect
github.com/go-openapi/swag/jsonname v0.25.1 // indirect
github.com/go-openapi/swag/jsonutils v0.25.1 // indirect
github.com/go-openapi/swag/loading v0.25.1 // indirect
github.com/go-openapi/swag/mangling v0.25.1 // indirect
github.com/go-openapi/swag/netutils v0.25.1 // indirect
github.com/go-openapi/swag/stringutils v0.25.1 // indirect
github.com/go-openapi/swag/typeutils v0.25.1 // indirect
github.com/go-openapi/swag/yamlutils v0.25.1 // indirect
github.com/gobwas/glob v0.2.3 // indirect
github.com/gogo/protobuf v1.3.2 // indirect
github.com/google/btree v1.1.3 // indirect
github.com/google/gnostic-models v0.7.0 // indirect
github.com/google/go-cmp v0.7.0 // indirect
github.com/google/uuid v1.6.0 // indirect
github.com/gorilla/websocket v1.5.4-0.20250319132907-e064f32e3674 // indirect
github.com/gosuri/uitable v0.0.4 // indirect
github.com/gregjones/httpcache v0.0.0-20190611155906-901d90724c79 // indirect
github.com/hashicorp/errwrap v1.1.0 // indirect
github.com/hashicorp/go-multierror v1.1.1 // indirect
github.com/huandu/xstrings v1.5.0 // indirect
github.com/inconshreveable/mousetrap v1.1.0 // indirect
github.com/josharian/intern v1.0.0 // indirect
github.com/jmoiron/sqlx v1.4.0 // indirect
github.com/json-iterator/go v1.1.12 // indirect
github.com/klauspost/compress v1.18.0 // indirect
github.com/lann/builder v0.0.0-20180802200727-47ae307949d0 // indirect
github.com/lann/ps v0.0.0-20150810152359-62de8c46ede0 // indirect
github.com/lib/pq v1.10.9 // indirect
github.com/liggitt/tabwriter v0.0.0-20181228230101-89fcab3d43de // indirect
github.com/mailru/easyjson v0.9.0 // indirect
github.com/mattn/go-colorable v0.1.13 // indirect
github.com/mattn/go-isatty v0.0.20 // indirect
github.com/mattn/go-runewidth v0.0.15 // indirect
github.com/mitchellh/copystructure v1.2.0 // indirect
github.com/mitchellh/go-wordwrap v1.0.1 // indirect
github.com/mitchellh/reflectwalk v1.0.2 // indirect
Expand All @@ -84,14 +102,15 @@ require (
github.com/monochromegane/go-gitignore v0.0.0-20200626010858-205db1a8cc00 // indirect
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f // indirect
github.com/onsi/ginkgo/v2 v2.23.4 // indirect
github.com/onsi/gomega v1.37.0 // indirect
github.com/onsi/ginkgo/v2 v2.25.1 // indirect
github.com/opencontainers/go-digest v1.0.0 // indirect
github.com/opencontainers/image-spec v1.1.1 // indirect
github.com/pelletier/go-toml/v2 v2.2.4 // indirect
github.com/peterbourgon/diskv v2.0.1+incompatible // indirect
github.com/pkg/errors v0.9.1 // indirect
github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
github.com/rivo/uniseg v0.4.7 // indirect
github.com/rubenv/sql-migrate v1.8.0 // indirect
github.com/russross/blackfriday/v2 v2.1.0 // indirect
github.com/sagikazarmark/locafero v0.11.0 // indirect
github.com/santhosh-tekuri/jsonschema/v6 v6.0.2 // indirect
Expand Down Expand Up @@ -120,16 +139,17 @@ require (
google.golang.org/genproto/googleapis/api v0.0.0-20250721164621-a45f3dfb1074 // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20250929231259-57b25ae835d4 // indirect
google.golang.org/grpc v1.75.1 // indirect
google.golang.org/protobuf v1.36.9 // indirect
google.golang.org/protobuf v1.36.10 // indirect
gopkg.in/evanphx/json-patch.v4 v4.13.0 // indirect
gopkg.in/inf.v0 v0.9.1 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
k8s.io/apiextensions-apiserver v0.34.1 // indirect
k8s.io/cli-runtime v0.34.0 // indirect
k8s.io/apiserver v0.34.1 // indirect
k8s.io/cli-runtime v0.34.1 // indirect
k8s.io/component-base v0.34.1 // indirect
k8s.io/klog/v2 v2.130.1 // indirect
k8s.io/kube-openapi v0.0.0-20250910181357-589584f1c912 // indirect
k8s.io/kubectl v0.34.0 // indirect
k8s.io/kubectl v0.34.1 // indirect
k8s.io/utils v0.0.0-20251002143259-bc988d571ff4 // indirect
oras.land/oras-go/v2 v2.6.0 // indirect
sigs.k8s.io/gateway-api v1.4.0 // indirect
Expand Down
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