feat: add k8s subcommand (#2065)

Co-authored-by: knqyf263 <knqyf263@gmail.com>
2026-01-31 13:53:14 +08:00 · 2022-05-12 15:11:29 -03:00
parent a39133a13c
commit 029dd76c30
13 changed files with 765 additions and 21 deletions
--- a/docs/docs/index.md
+++ b/docs/docs/index.md
@@ -5,11 +5,12 @@ Trivy detects two types of security issues:
 - [Vulnerabilities][vuln]
 - [Misconfigurations][misconf]

-Trivy can scan three different artifacts:
+Trivy can scan four different artifacts:

 - [Container Images][container]
 - [Filesystem][filesystem] and [Rootfs][rootfs]
 - [Git Repositories][repo]
+- [Kubernetes][kubernetes]

 Trivy can be run in two different modes:

@@ -56,7 +57,7 @@ See [Integrations][integrations] for details.
    - local filesystem and rootfs
    - remote git repository
 - [SBOM][sbom] (Software Bill of Materials) support
-    - CycloneDX 
+    - CycloneDX
    - SPDX

 Please see [LICENSE][license] for Trivy licensing information.
@@ -68,6 +69,7 @@ Please see [LICENSE][license] for Trivy licensing information.
 [rootfs]: ../docs/vulnerability/scanning/rootfs.md
 [filesystem]: ../docs/vulnerability/scanning/filesystem.md
 [repo]: ../docs/vulnerability/scanning/git-repository.md
+[kubernetes]: ../docs/kubernetes/scanning.md

 [standalone]: ../docs/references/modes/standalone.md
 [client-server]: ../docs/references/modes/client-server.md
--- a/docs/docs/kubernetes/scanning.md
+++ b/docs/docs/kubernetes/scanning.md
@@ -0,0 +1,184 @@
+# Kubernetes
+
+!!! warning "EXPERIMENTAL"
+
+This feature might change without preserving backwards compatibility.
+
+Scan your Kubernetes cluster for both Vulnerabilities and Misconfigurations.
+
+Scan a full cluster:
+
+```
+$ trivy k8s
+```
+
+Scan a specific namespace:
+
+```
+$ trivy k8s -n default
+```
+
+Scan a namespace for only `CRITICAL` Vulnerabilities and Misconfigurations:
+
+```
+$ trivy k8s -n default -o results.json --severity CRITICAL
+```
+
+Trivy uses your local kubectl configuration to access the API server to list artifacts.
+At this time, JSON is the only supported output and is intended to be used for automation, other reports will be implemented soon.
+
+<details>
+<summary>Result</summary>
+
+```
+{
+  "ClusterName": "minikube",
+  "Vulnerabilities": [
+    {
+      "Namespace": "default",
+      "Kind": "Deployment",
+      "Name": "app",
+      "Results": [
+        {
+          "Target": "ubuntu:latest (ubuntu 22.04)",
+          "Class": "os-pkgs",
+          "Type": "ubuntu",
+          "Vulnerabilities": [
+            {
+              "VulnerabilityID": "CVE-2016-2781",
+              "PkgName": "coreutils",
+              "InstalledVersion": "8.32-4.1ubuntu1",
+              "Layer": {
+                "Digest": "sha256:125a6e411906fe6b0aaa50fc9d600bf6ff9bb11a8651727ce1ed482dc271c24c",
+                "DiffID": "sha256:e59fc94956120a6c7629f085027578e6357b48061d45714107e79f04a81a6f0c"
+              },
+              "SeveritySource": "ubuntu",
+              "PrimaryURL": "https://avd.aquasec.com/nvd/cve-2016-2781",
+              "DataSource": {
+                "ID": "ubuntu",
+                "Name": "Ubuntu CVE Tracker",
+                "URL": "https://git.launchpad.net/ubuntu-cve-tracker"
+              },
+              "Title": "coreutils: Non-privileged session can escape to the parent session in chroot",
+              "Description": "chroot in GNU coreutils, when used with --userspec, allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.",
+              "Severity": "LOW",
+              "CweIDs": [
+                "CWE-20"
+              ],
+              "VendorSeverity": {
+                "cbl-mariner": 2,
+                "nvd": 2,
+                "redhat": 2,
+                "ubuntu": 1
+              },
+              "CVSS": {
+                "nvd": {
+                  "V2Vector": "AV:L/AC:L/Au:N/C:N/I:P/A:N",
+                  "V3Vector": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N",
+                  "V2Score": 2.1,
+                  "V3Score": 6.5
+                },
+                "redhat": {
+                  "V2Vector": "AV:L/AC:H/Au:N/C:C/I:C/A:C",
+                  "V3Vector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
+                  "V2Score": 6.2,
+                  "V3Score": 8.6
+                }
+              },
+              "References": [
+                "http://seclists.org/oss-sec/2016/q1/452",
+                "http://www.openwall.com/lists/oss-security/2016/02/28/2",
+                "http://www.openwall.com/lists/oss-security/2016/02/28/3",
+                "https://access.redhat.com/security/cve/CVE-2016-2781",
+                "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2781",
+                "https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772@%3Cdev.mina.apache.org%3E",
+                "https://lore.kernel.org/patchwork/patch/793178/",
+                "https://nvd.nist.gov/vuln/detail/CVE-2016-2781"
+              ],
+              "PublishedDate": "2017-02-07T15:59:00Z",
+              "LastModifiedDate": "2021-02-25T17:15:00Z"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "Misconfigurations": [
+    {
+      "Namespace": "default",
+      "Kind": "Deployment",
+      "Name": "app",
+      "Results": [
+        {
+          "Target": "Deployment/app",
+          "Class": "config",
+          "Type": "kubernetes",
+          "MisconfSummary": {
+            "Successes": 20,
+            "Failures": 19,
+            "Exceptions": 0
+          },
+          "Misconfigurations": [
+            {
+              "Type": "Kubernetes Security Check",
+              "ID": "KSV001",
+              "Title": "Process can elevate its own privileges",
+              "Description": "A program inside the container can elevate its own privileges and run as root, which might give the program control over the container and node.",
+              "Message": "Container 'app' of Deployment 'app' should set 'securityContext.allowPrivilegeEscalation' to false",
+              "Namespace": "builtin.kubernetes.KSV001",
+              "Query": "data.builtin.kubernetes.KSV001.deny",
+              "Resolution": "Set 'set containers[].securityContext.allowPrivilegeEscalation' to 'false'.",
+              "Severity": "MEDIUM",
+              "PrimaryURL": "https://avd.aquasec.com/misconfig/ksv001",
+              "References": [
+                "https://kubernetes.io/docs/concepts/security/pod-security-standards/#restricted",
+                "https://avd.aquasec.com/misconfig/ksv001"
+              ],
+              "Status": "FAIL",
+              "Layer": {},
+              "IacMetadata": {
+                "Provider": "Kubernetes",
+                "Service": "general",
+                "StartLine": 121,
+                "EndLine": 133
+              }
+            },
+            {
+              "Type": "Kubernetes Security Check",
+              "ID": "KSV003",
+              "Title": "Default capabilities not dropped",
+              "Description": "The container should drop all default capabilities and add only those that are needed for its execution.",
+              "Message": "Container 'app' of Deployment 'app' should add 'ALL' to 'securityContext.capabilities.drop'",
+              "Namespace": "builtin.kubernetes.KSV003",
+              "Query": "data.builtin.kubernetes.KSV003.deny",
+              "Resolution": "Add 'ALL' to containers[].securityContext.capabilities.drop.",
+              "Severity": "LOW",
+              "PrimaryURL": "https://avd.aquasec.com/misconfig/ksv003",
+              "References": [
+                "https://kubesec.io/basics/containers-securitycontext-capabilities-drop-index-all/",
+                "https://avd.aquasec.com/misconfig/ksv003"
+              ],
+              "Status": "FAIL",
+              "Layer": {},
+              "IacMetadata": {
+                "Provider": "Kubernetes",
+                "Service": "general",
+                "StartLine": 121,
+                "EndLine": 133
+              }
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "Namespace": "default",
+      "Kind": "ConfigMap",
+      "Name": "kube-root-ca.crt"
+    }
+  ]
+}
+
+```
+
+</details>
--- a/go.mod
+++ b/go.mod
@@ -71,6 +71,8 @@ require (
 	github.com/Microsoft/go-winio v0.5.1 // indirect
 	github.com/OneOfOne/xxhash v1.2.8 // indirect
 	github.com/ProtonMail/go-crypto v0.0.0-20210428141323-04723f9f07d7 // indirect
+	github.com/PuerkitoBio/purell v1.1.1 // indirect
+	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
 	github.com/VividCortex/ewma v1.1.1 // indirect
 	github.com/acomagu/bufpipe v1.0.3 // indirect
 	github.com/agext/levenshtein v1.2.3 // indirect
@@ -94,16 +96,28 @@ require (
 	github.com/docker/docker-credential-helpers v0.6.4 // indirect
 	github.com/docker/go-units v0.4.0 // indirect
 	github.com/emirpasic/gods v1.12.0 // indirect
+	github.com/evanphx/json-patch v4.12.0+incompatible // indirect
 	github.com/ghodss/yaml v1.0.0 // indirect
+	github.com/go-errors/errors v1.0.1 // indirect
 	github.com/go-git/gcfg v1.5.0 // indirect
 	github.com/go-git/go-billy/v5 v5.3.1 // indirect
 	github.com/go-git/go-git/v5 v5.4.2 // indirect
+	github.com/go-logr/logr v1.2.3 // indirect
+	github.com/go-openapi/jsonpointer v0.19.5 // indirect
+	github.com/go-openapi/jsonreference v0.19.5 // indirect
+	github.com/go-openapi/swag v0.19.14 // indirect
 	github.com/gobwas/glob v0.2.3 // indirect
 	github.com/goccy/go-yaml v1.8.2 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang-jwt/jwt/v4 v4.2.0 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/google/btree v1.0.1 // indirect
+	github.com/google/go-cmp v0.5.7 // indirect
+	github.com/google/gofuzz v1.2.0 // indirect
+	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
 	github.com/googleapis/gax-go/v2 v2.1.1 // indirect
+	github.com/googleapis/gnostic v0.5.5 // indirect
+	github.com/gregjones/httpcache v0.0.0-20180305231024-9cad4c3443a7 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
@@ -114,8 +128,11 @@ require (
 	github.com/hashicorp/hcl/v2 v2.12.0 // indirect
 	github.com/huandu/xstrings v1.3.2 // indirect
 	github.com/imdario/mergo v0.3.12 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
 	github.com/kevinburke/ssh_config v0.0.0-20201106050909-4977a11b4351 // indirect
 	github.com/klauspost/compress v1.15.1 // indirect
@@ -125,7 +142,9 @@ require (
 	github.com/liamg/jfather v0.0.7 // indirect
 	github.com/liamg/memoryfs v1.4.1 // indirect
 	github.com/liamg/tml v0.6.0 // indirect
+	github.com/liggitt/tabwriter v0.0.0-20181228230101-89fcab3d43de // indirect
 	github.com/magiconair/properties v1.8.5 // indirect
+	github.com/mailru/easyjson v0.7.6 // indirect
 	github.com/mattn/go-colorable v0.1.12 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
 	github.com/mattn/go-runewidth v0.0.12 // indirect
@@ -138,11 +157,15 @@ require (
 	github.com/moby/sys/mount v0.3.0 // indirect
 	github.com/moby/sys/mountinfo v0.6.0 // indirect
 	github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/monochromegane/go-gitignore v0.0.0-20200626010858-205db1a8cc00 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.0.3-0.20211202183452-c5a74bcca799 // indirect
 	github.com/opencontainers/runc v1.1.1 // indirect
 	github.com/owenrumney/squealer v1.0.1-0.20220510063705-c0be93f0edea // indirect
+	github.com/peterbourgon/diskv v2.0.1+incompatible // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rcrowley/go-metrics v0.0.0-20200313005456-10cdbea86bc0 // indirect
@@ -155,17 +178,21 @@ require (
 	github.com/sirupsen/logrus v1.8.1 // indirect
 	github.com/spdx/tools-golang v0.3.0
 	github.com/spf13/cast v1.4.1 // indirect
+	github.com/spf13/cobra v1.4.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/stretchr/objx v0.3.0 // indirect
 	github.com/ulikunitz/xz v0.5.8 // indirect
 	github.com/vbatts/tar-split v0.11.2 // indirect
 	github.com/xanzy/ssh-agent v0.3.0 // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
 	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
+	github.com/xlab/treeprint v0.0.0-20181112141820-a009c3971eca // indirect
 	github.com/yashtewari/glob-intersection v0.1.0 // indirect
 	github.com/zclconf/go-cty v1.10.0 // indirect
 	github.com/zclconf/go-cty-yaml v1.0.2 // indirect
 	go.etcd.io/bbolt v1.3.6 // indirect
 	go.opencensus.io v0.23.0 // indirect
+	go.starlark.net v0.0.0-20200306205701-8dd3e2ee1dd5 // indirect
 	go.uber.org/atomic v1.7.0 // indirect
 	go.uber.org/multierr v1.6.0 // indirect
 	golang.org/x/crypto v0.0.0-20220315160706-3147a52a75dd // indirect
@@ -173,7 +200,9 @@ require (
 	golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd // indirect
 	golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8 // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
+	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect
 	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac // indirect
 	golang.org/x/tools v0.1.8 // indirect
 	google.golang.org/api v0.62.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
@@ -181,8 +210,14 @@ require (
 	google.golang.org/grpc v1.46.0 // indirect
 	gopkg.in/cheggaaa/pb.v1 v1.0.28 // indirect
 	gopkg.in/go-playground/validator.v9 v9.31.0 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
+	k8s.io/api v0.23.6 // indirect
+	k8s.io/apimachinery v0.23.6 // indirect
+	k8s.io/cli-runtime v0.23.6 // indirect
+	k8s.io/client-go v0.23.6 // indirect
+	k8s.io/klog/v2 v2.30.0 // indirect
+	k8s.io/kube-openapi v0.0.0-20211115234752-e816edb12b65 // indirect
 	lukechampine.com/uint128 v1.1.1 // indirect
 	modernc.org/cc/v3 v3.35.22 // indirect
 	modernc.org/ccgo/v3 v3.15.1 // indirect
@@ -193,8 +228,17 @@ require (
 	modernc.org/sqlite v1.14.5 // indirect
 	modernc.org/strutil v1.1.1 // indirect
 	modernc.org/token v1.0.0 // indirect
+	sigs.k8s.io/json v0.0.0-20211020170558-c049b76a60c6 // indirect
+	sigs.k8s.io/kustomize/api v0.10.1 // indirect
+	sigs.k8s.io/kustomize/kyaml v0.13.0 // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.2.1 // indirect
+	sigs.k8s.io/yaml v1.3.0 // indirect
 )

+require gopkg.in/yaml.v2 v2.4.0
+
+require github.com/aquasecurity/trivy-kubernetes v0.1.0
+
 // To resolve CVE-2022-23648
 replace github.com/containerd/containerd v1.5.9 => github.com/containerd/containerd v1.5.10

--- a/go.sum
+++ b/go.sum
@@ -145,8 +145,10 @@ github.com/OneOfOne/xxhash v1.2.8/go.mod h1:eZbhyaAYD41SGSSsnmcpxVoRiQ/MPUTjUdII
 github.com/ProtonMail/go-crypto v0.0.0-20210428141323-04723f9f07d7 h1:YoJbenK9C67SkzkDfmQuVln04ygHj3vjZfd9FL+GmQQ=
 github.com/ProtonMail/go-crypto v0.0.0-20210428141323-04723f9f07d7/go.mod h1:z4/9nQmJSSwwds7ejkxaJwO37dru3geImFUdJlaLzQo=
 github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
+github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
 github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
+github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
 github.com/Shopify/logrus-bugsnag v0.0.0-20171204204709-577dee27f20d/go.mod h1:HI8ITrYtUY+O+ZhtlqUnD8+KwNPOyugEhfP9fdUIaEQ=
 github.com/VividCortex/ewma v1.1.1 h1:MnEK4VOv6n0RSY4vtRe3h11qjxL3+t0B8yOL8iMXdcM=
@@ -194,6 +196,10 @@ github.com/aquasecurity/go-version v0.0.0-20210121072130-637058cfe492/go.mod h1:
 github.com/aquasecurity/testdocker v0.0.0-20210911155206-e1e85f5a1516 h1:moQmzbpLo5dxHQCyEhqzizsDSNrNhn/7uRTCZzo4A1o=
 github.com/aquasecurity/trivy-db v0.0.0-20220327074450-74195d9604b2 h1:q2Gza4V8uO5C1COzC2HeTbQgJIrmC6dTWaXZ8ujiWu0=
 github.com/aquasecurity/trivy-db v0.0.0-20220327074450-74195d9604b2/go.mod h1:EwiQRdzVq6k7cKOMjkss8LjWMt2FUW7NaYwE7HfZZvk=
+github.com/aquasecurity/trivy-kubernetes v0.0.1-alpha.2 h1:iF21H/OkbFZKdJFyqw5rliWHK3v4P6antB67j2Fihgs=
+github.com/aquasecurity/trivy-kubernetes v0.0.1-alpha.2/go.mod h1:9fU3sHz/wXN5ruZ5snUEJpzm2X6pUndKucv1mz9Walc=
+github.com/aquasecurity/trivy-kubernetes v0.1.0 h1:eE7JSdqo83Kn87c86DcUIsPAtW0K9UnkkHEQ4sGI030=
+github.com/aquasecurity/trivy-kubernetes v0.1.0/go.mod h1:9fU3sHz/wXN5ruZ5snUEJpzm2X6pUndKucv1mz9Walc=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
@@ -485,6 +491,8 @@ github.com/envoyproxy/go-control-plane v0.10.2-0.20220325020618-49ff273808a1/go.
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/evanphx/json-patch v4.9.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
 github.com/evanphx/json-patch v4.11.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
+github.com/evanphx/json-patch v4.12.0+incompatible h1:4onqiflcdA9EOZ4RxV643DvftH5pOlLGNtQ5lPWQu84=
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@@ -953,10 +980,14 @@ github.com/moby/term v0.0.0-20210610120745-9d4ed1856297/go.mod h1:vgPCkQMyxTZ7ID
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@@ -1044,6 +1075,7 @@ github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FI
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@@ -1166,6 +1198,7 @@ github.com/spf13/cobra v0.0.5/go.mod h1:3K3wKZymM7VvHMDS9+Akkh4K60UwM26emMESw8tL
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@@ -1174,6 +1207,7 @@ github.com/spf13/pflag v1.0.1-0.20171106142849-4c012f6dcd95/go.mod h1:DYY7MBk1bd
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@@ -1246,6 +1280,8 @@ github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 h1:EzJWgHo
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@@ -1323,6 +1359,8 @@ go.opentelemetry.io/otel/trace v1.6.3/go.mod h1:GNJQusJlUgZl9/TQBPKU/Y/ty+0iVB5f
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@@ -1537,6 +1575,7 @@ golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -1918,6 +1957,7 @@ gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8
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@@ -1960,19 +2000,27 @@ k8s.io/api v0.20.1/go.mod h1:KqwcCVogGxQY3nBlRpwt+wpAMF/KjaCc7RpywacvqUo=
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@@ -1986,17 +2034,23 @@ k8s.io/cri-api v0.23.1/go.mod h1:REJE3PSU0h/LOV1APBrupxrEJqnoxZC8KWzkBUHwrK4=
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@@ -2135,9 +2189,19 @@ rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
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+sigs.k8s.io/json v0.0.0-20211020170558-c049b76a60c6 h1:fD1pz4yfdADVNfFmcP2aBEtudwUQ1AlLnRBALr33v3s=
+sigs.k8s.io/json v0.0.0-20211020170558-c049b76a60c6/go.mod h1:p4QtZmO4uMYipTQNzagwnNoseA6OxSUutVw05NhYDRs=
+sigs.k8s.io/kustomize/api v0.10.1 h1:KgU7hfYoscuqag84kxtzKdEC3mKMb99DPI3a0eaV1d0=
+sigs.k8s.io/kustomize/api v0.10.1/go.mod h1:2FigT1QN6xKdcnGS2Ppp1uIWrtWN28Ms8A3OZUZhwr8=
+sigs.k8s.io/kustomize/kyaml v0.13.0 h1:9c+ETyNfSrVhxvphs+K2dzT3dh5oVPPEqPOE/cUpScY=
+sigs.k8s.io/kustomize/kyaml v0.13.0/go.mod h1:FTJxEZ86ScK184NpGSAQcfEqee0nul8oLCK30D47m4E=
 sigs.k8s.io/structured-merge-diff/v4 v4.0.1/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
 sigs.k8s.io/structured-merge-diff/v4 v4.0.2/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
 sigs.k8s.io/structured-merge-diff/v4 v4.0.3/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
 sigs.k8s.io/structured-merge-diff/v4 v4.1.2/go.mod h1:j/nl6xW8vLS49O8YvXW1ocPhZawJtm+Yrr7PPRQ0Vg4=
+sigs.k8s.io/structured-merge-diff/v4 v4.2.1 h1:bKCqE9GvQ5tiVHn5rfn1r+yao3aLQEaLzkkmAkf+A6Y=
+sigs.k8s.io/structured-merge-diff/v4 v4.2.1/go.mod h1:j/nl6xW8vLS49O8YvXW1ocPhZawJtm+Yrr7PPRQ0Vg4=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
+sigs.k8s.io/yaml v1.3.0 h1:a2VclLzOGrwOHDiV8EfBGhvjHvP46CtW5j6POvhYGGo=
+sigs.k8s.io/yaml v1.3.0/go.mod h1:GeOyir5tyXNByN85N/dRIT9es5UQNerPYEKK56eTBm8=
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -61,6 +61,8 @@ nav:
          - Scanning: docs/secret/scanning.md
          - Configuration: docs/secret/configuration.md
          - Examples: docs/secret/examples.md
+      - Kubernetes:
+          - Scanning: docs/kubernetes/scanning.md
      - SBOM:
          - Overview: docs/sbom/index.md
          - CycloneDX: docs/sbom/cyclonedx.md
--- a/pkg/commands/app.go
+++ b/pkg/commands/app.go
@@ -207,6 +207,14 @@ var (
 		EnvVars: []string{"TRIVY_TIMEOUT"},
 	}

+	namespaceFlag = cli.StringFlag{
+		Name:    "namespace",
+		Aliases: []string{"n"},
+		Value:   "",
+		Usage:   "specify a namespace to scan",
+		EnvVars: []string{"TRIVY_K8S_NAMESPACE"},
+	}
+
 	// TODO: remove this flag after a sufficient deprecation period.
 	lightFlag = cli.BoolFlag{
 		Name:    "light",
@@ -385,12 +393,13 @@ func NewApp(version string) *cli.App {
 		NewImageCommand(),
 		NewFilesystemCommand(),
 		NewRootfsCommand(),
-		NewSbomCommand(),
 		NewRepositoryCommand(),
 		NewClientCommand(),
 		NewServerCommand(),
 		NewConfigCommand(),
 		NewPluginCommand(),
+		NewK8sCommand(),
+		NewSbomCommand(),
 		NewVersionCommand(),
 	}
 	app.Commands = append(app.Commands, plugin.LoadCommands()...)
@@ -771,6 +780,48 @@ func NewPluginCommand() *cli.Command {
 	}
 }

+// NewK8sCommand is the factory method to add k8s subcommand
+func NewK8sCommand() *cli.Command {
+	return &cli.Command{
+		Name:    "kubernetes",
+		Aliases: []string{"k8s"},
+		Usage:   "scan kubernetes vulnerabilities and misconfigurations",
+		Action:  artifact.K8sRun,
+		Flags: []cli.Flag{
+			&namespaceFlag,
+			&outputFlag,
+			&severityFlag,
+			&exitCodeFlag,
+			&skipDBUpdateFlag,
+			&skipPolicyUpdateFlag,
+			&clearCacheFlag,
+			&ignoreUnfixedFlag,
+			&vulnTypeFlag,
+			&securityChecksFlag,
+			&ignoreFileFlag,
+			&cacheBackendFlag,
+			&cacheTTL,
+			&redisBackendCACert,
+			&redisBackendCert,
+			&redisBackendKey,
+			&timeoutFlag,
+			&noProgressFlag,
+			&ignorePolicy,
+			&listAllPackages,
+			&offlineScan,
+			&dbRepositoryFlag,
+			&secretConfig,
+			stringSliceFlag(skipFiles),
+			stringSliceFlag(skipDirs),
+
+			// for misconfiguration
+			stringSliceFlag(configPolicy),
+			stringSliceFlag(configData),
+			stringSliceFlag(policyNamespaces),
+		},
+	}
+}
+
 // NewSbomCommand is the factory method to add sbom command
 func NewSbomCommand() *cli.Command {
 	return &cli.Command{
--- a/pkg/commands/artifact/k8s.go
+++ b/pkg/commands/artifact/k8s.go
@@ -0,0 +1,274 @@
+package artifact
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"os"
+
+	"github.com/cheggaaa/pb/v3"
+	"github.com/urfave/cli/v2"
+	"golang.org/x/xerrors"
+	"gopkg.in/yaml.v2"
+
+	"github.com/aquasecurity/fanal/analyzer"
+	"github.com/aquasecurity/fanal/cache"
+	"github.com/aquasecurity/trivy-db/pkg/db"
+	"github.com/aquasecurity/trivy/pkg/log"
+	pkgReport "github.com/aquasecurity/trivy/pkg/report"
+	k8sReport "github.com/aquasecurity/trivy/pkg/report/k8s"
+	"github.com/aquasecurity/trivy/pkg/types"
+
+	"github.com/aquasecurity/trivy-kubernetes/pkg/artifacts"
+	"github.com/aquasecurity/trivy-kubernetes/pkg/k8s"
+	"github.com/aquasecurity/trivy-kubernetes/pkg/trivyk8s"
+)
+
+// K8sRun runs scan on kubernetes cluster
+func K8sRun(ctx *cli.Context) error {
+	opt, err := initOption(ctx)
+	if err != nil {
+		return xerrors.Errorf("option error: %w", err)
+	}
+
+	if err = log.InitLogger(opt.Debug, true); err != nil {
+		return err
+	}
+
+	cacheClient, err := initCache(opt)
+	if err != nil {
+		if errors.Is(err, errSkipScan) {
+			return nil
+		}
+		return xerrors.Errorf("cache error: %w", err)
+	}
+	defer cacheClient.Close()
+
+	// Disable DB update when using client/server
+	if opt.RemoteAddr == "" {
+		if err = initDB(opt); err != nil {
+			if errors.Is(err, errSkipScan) {
+				return nil
+			}
+			return xerrors.Errorf("DB error: %w", err)
+		}
+		defer db.Close()
+	}
+
+	cluster, err := k8s.GetCluster()
+	if err != nil {
+		return xerrors.Errorf("get k8s cluster: %w", err)
+	}
+
+	trivyk8s := trivyk8s.New(cluster).Namespace(opt.KubernetesOption.Namespace)
+
+	// list all kubernetes scannable artifacts
+	k8sArtifacts, err := trivyk8s.ListArtifacts(ctx.Context)
+	if err != nil {
+		return xerrors.Errorf("get k8s artifacts error: %w", err)
+	}
+
+	report, err := k8sRun(ctx, opt, cacheClient, k8sArtifacts)
+	if err != nil {
+		return xerrors.Errorf("k8s scan error: %w", err)
+	}
+	report.ClusterName = cluster.GetCurrentContext()
+
+	if err = k8sReport.Write(report, pkgReport.Option{
+		Format: "json", // for now json is the default
+		Output: opt.Output,
+	}); err != nil {
+		return xerrors.Errorf("unable to write results: %w", err)
+	}
+
+	exit(opt, report.Failed())
+
+	return nil
+}
+
+func k8sRun(cliContext *cli.Context, opt Option, cacheClient cache.Cache, k8sArtifacts []*artifacts.Artifact) (k8sReport.Report, error) {
+	ctx, cancel := context.WithTimeout(cliContext.Context, opt.Timeout)
+	defer cancel()
+
+	// progress bar
+	bar := pb.StartNew(len(k8sArtifacts))
+	if opt.NoProgress {
+		bar.SetWriter(io.Discard)
+	}
+	defer bar.Finish()
+
+	// image scanner configurations
+	imageScannerConfig, imageScannerOptions, err := initImageScannerConfig(ctx, opt, cacheClient)
+	if err != nil {
+		return k8sReport.Report{}, xerrors.Errorf("scanner config error: %w", err)
+	}
+
+	// config scanner configurations
+	configScannerConfig, configScannerOptions, err := initConfigScannerConfig(ctx, opt, cacheClient)
+	if err != nil {
+		return k8sReport.Report{}, xerrors.Errorf("scanner config error: %w", err)
+	}
+
+	vulns := make([]k8sReport.Resource, 0)
+	misconfigs := make([]k8sReport.Resource, 0)
+
+	// Loops once over all artifacts, and execute scanners as necessary. Not every artifacts has an image,
+	// so image scanner is not always executed.
+	for _, artifact := range k8sArtifacts {
+		bar.Increment()
+
+		// scan images if present
+		for _, image := range artifact.Images {
+			imageReport, err := k8sScan(ctx, image, imageScanner, imageScannerConfig, imageScannerOptions)
+			if err != nil {
+				// add error to report
+				log.Logger.Debugf("failed to scan image %s: %s", image, err)
+				vulns = append(vulns, newK8sResource(artifact, imageReport, err))
+				continue
+			}
+
+			imageReport, err = filter(ctx, opt, imageReport)
+			if err != nil {
+				return k8sReport.Report{}, xerrors.Errorf("filter error: %w", err)
+			}
+
+			vulns = append(vulns, newK8sResource(artifact, imageReport, nil))
+		}
+
+		// scan configurations
+		configReport, err := k8sScanConfig(ctx, configScannerConfig, configScannerOptions, artifact)
+		if err != nil {
+			// add error to report
+			log.Logger.Debugf("failed to scan config %s/%s: %s", artifact.Kind, artifact.Name, err)
+			misconfigs = append(misconfigs, newK8sResource(artifact, configReport, err))
+		}
+
+		configReport, err = filter(ctx, opt, configReport)
+		if err != nil {
+			return k8sReport.Report{}, xerrors.Errorf("filter error: %w", err)
+		}
+
+		misconfigs = append(misconfigs, newK8sResource(artifact, configReport, nil))
+	}
+
+	return k8sReport.Report{
+		SchemaVersion:     0,
+		Vulnerabilities:   vulns,
+		Misconfigurations: misconfigs,
+	}, nil
+}
+
+func initImageScannerConfig(ctx context.Context, opt Option, cacheClient cache.Cache) (ScannerConfig, types.ScanOptions, error) {
+	// Disable the lock file scanning
+	opt.DisabledAnalyzers = analyzer.TypeLockfiles
+
+	return initScannerConfig(ctx, opt, cacheClient)
+}
+
+func initConfigScannerConfig(ctx context.Context, opt Option, cacheClient cache.Cache) (ScannerConfig, types.ScanOptions, error) {
+	// Disable OS and language analyzers
+	opt.DisabledAnalyzers = append(analyzer.TypeOSes, analyzer.TypeLanguages...)
+
+	// Scan only config files
+	opt.VulnType = nil
+	opt.SecurityChecks = []string{types.SecurityCheckConfig}
+
+	// Skip downloading vulnerability DB
+	opt.SkipDBUpdate = true
+
+	return initScannerConfig(ctx, opt, cacheClient)
+}
+
+func k8sScanConfig(ctx context.Context, config ScannerConfig, opts types.ScanOptions, a *artifacts.Artifact) (types.Report, error) {
+	fileName, err := createTempFile(a)
+	if err != nil {
+		return types.Report{}, xerrors.Errorf("scan error: %w", err)
+	}
+	defer removeFile(fileName)
+
+	report, err := k8sScan(ctx, fileName, filesystemStandaloneScanner, config, opts)
+	if err != nil {
+		return types.Report{}, xerrors.Errorf("scan error: %w", err)
+	}
+
+	return report, nil
+}
+
+func k8sScan(ctx context.Context, target string, initializeScanner InitializeScanner, config ScannerConfig, opts types.ScanOptions) (types.Report, error) {
+	config.Target = target
+	s, cleanup, err := initializeScanner(ctx, config)
+	if err != nil {
+		log.Logger.Debugf("unexpected error during scanning %s: %s", config.Target, err)
+		return types.Report{}, err
+	}
+	defer cleanup()
+
+	report, err := s.ScanArtifact(ctx, opts)
+	if err != nil {
+		return types.Report{}, xerrors.Errorf("artifact scan failed: %w", err)
+	}
+	return report, nil
+}
+
+func createTempFile(artifact *artifacts.Artifact) (string, error) {
+	filename := fmt.Sprintf("%s-%s-%s-*.yaml", artifact.Namespace, artifact.Kind, artifact.Name)
+
+	file, err := os.CreateTemp("", filename)
+	if err != nil {
+		return "", xerrors.Errorf("creating tmp file error: %w", err)
+	}
+	defer func() {
+		if err := file.Close(); err != nil {
+			log.Logger.Errorf("failed to close temp file %s: %s:", file.Name(), err)
+		}
+	}()
+
+	// TODO(josedonizetti): marshal and return as byte slice should be on the trivy-kubernetes library?
+	data, err := yaml.Marshal(artifact.RawResource)
+	if err != nil {
+		removeFile(filename)
+		return "", xerrors.Errorf("marshaling resource error: %w", err)
+	}
+
+	_, err = file.Write(data)
+	if err != nil {
+		removeFile(filename)
+		return "", xerrors.Errorf("writing tmp file error: %w", err)
+	}
+
+	return file.Name(), nil
+}
+
+func newK8sResource(artifact *artifacts.Artifact, report types.Report, err error) k8sReport.Resource {
+	results := make([]types.Result, 0, len(report.Results))
+	// fix target name
+	for _, result := range report.Results {
+		// if resource is a kubernetes file fix the target name,
+		// to avoid showing the temp file that was removed.
+		if result.Type == "kubernetes" {
+			result.Target = fmt.Sprintf("%s/%s", artifact.Kind, artifact.Name)
+		}
+		results = append(results, result)
+	}
+
+	k8sreport := k8sReport.Resource{
+		Namespace: artifact.Namespace,
+		Kind:      artifact.Kind,
+		Name:      artifact.Name,
+		Results:   results,
+	}
+
+	// if there was any error during the scan
+	if err != nil {
+		k8sreport.Error = err.Error()
+	}
+
+	return k8sreport
+}
+
+func removeFile(filename string) {
+	if err := os.Remove(filename); err != nil {
+		log.Logger.Errorf("failed to remove temp file %s: %s:", filename, err)
+	}
+}
--- a/pkg/commands/artifact/option.go
+++ b/pkg/commands/artifact/option.go
@@ -20,6 +20,7 @@ type Option struct {
 	option.RemoteOption
 	option.SbomOption
 	option.SecretOption
+	option.KubernetesOption

 	// We don't want to allow disabled analyzers to be passed by users,
 	// but it differs depending on scanning modes.
@@ -34,16 +35,17 @@ func NewOption(c *cli.Context) (Option, error) {
 	}

 	return Option{
-		GlobalOption:   gc,
-		ArtifactOption: option.NewArtifactOption(c),
-		DBOption:       option.NewDBOption(c),
-		ImageOption:    option.NewImageOption(c),
-		ReportOption:   option.NewReportOption(c),
-		CacheOption:    option.NewCacheOption(c),
-		ConfigOption:   option.NewConfigOption(c),
-		RemoteOption:   option.NewRemoteOption(c),
-		SbomOption:     option.NewSbomOption(c),
-		SecretOption:   option.NewSecretOption(c),
+		GlobalOption:     gc,
+		ArtifactOption:   option.NewArtifactOption(c),
+		DBOption:         option.NewDBOption(c),
+		ImageOption:      option.NewImageOption(c),
+		ReportOption:     option.NewReportOption(c),
+		CacheOption:      option.NewCacheOption(c),
+		ConfigOption:     option.NewConfigOption(c),
+		RemoteOption:     option.NewRemoteOption(c),
+		SbomOption:       option.NewSbomOption(c),
+		SecretOption:     option.NewSecretOption(c),
+		KubernetesOption: option.NewKubernetesOption(c),
 	}, nil
 }

--- a/pkg/commands/artifact/run.go
+++ b/pkg/commands/artifact/run.go
@@ -109,7 +109,7 @@ func runWithTimeout(ctx context.Context, opt Option, initializeScanner Initializ
 		return xerrors.Errorf("unable to write results: %w", err)
 	}

-	exit(opt, report.Results)
+	exit(opt, report.Results.Failed())

 	return nil
 }
@@ -205,8 +205,7 @@ func disabledAnalyzers(opt Option) []analyzer.Type {
 	return analyzers
 }

-func scan(ctx context.Context, opt Option, initializeScanner InitializeScanner, cacheClient cache.Cache) (
-	types.Report, error) {
+func initScannerConfig(ctx context.Context, opt Option, cacheClient cache.Cache) (ScannerConfig, types.ScanOptions, error) {
 	target := opt.Target
 	if opt.Input != "" {
 		target = opt.Input
@@ -232,7 +231,7 @@ func scan(ctx context.Context, opt Option, initializeScanner InitializeScanner,
 		}
 	}

-	s, cleanup, err := initializeScanner(ctx, ScannerConfig{
+	return ScannerConfig{
 		Target:             target,
 		ArtifactCache:      cacheClient,
 		LocalArtifactCache: cacheClient,
@@ -257,7 +256,18 @@ func scan(ctx context.Context, opt Option, initializeScanner InitializeScanner,
 				ConfigPath: opt.SecretConfigPath,
 			},
 		},
-	})
+	}, scanOptions, nil
+}
+
+func scan(ctx context.Context, opt Option, initializeScanner InitializeScanner, cacheClient cache.Cache) (
+	types.Report, error) {
+
+	scannerConfig, scanOptions, err := initScannerConfig(ctx, opt, cacheClient)
+	if err != nil {
+		return types.Report{}, err
+	}
+
+	s, cleanup, err := initializeScanner(ctx, scannerConfig)
 	if err != nil {
 		return types.Report{}, xerrors.Errorf("unable to initialize a scanner: %w", err)
 	}
@@ -291,8 +301,8 @@ func filter(ctx context.Context, opt Option, report types.Report) (types.Report,
 	return report, nil
 }

-func exit(c Option, results types.Results) {
-	if c.ExitCode != 0 && results.Failed() {
+func exit(c Option, failedResults bool) {
+	if c.ExitCode != 0 && failedResults {
 		os.Exit(c.ExitCode)
 	}
 }
--- a/pkg/commands/option/artifact.go
+++ b/pkg/commands/option/artifact.go
@@ -39,6 +39,12 @@ func NewArtifactOption(c *cli.Context) ArtifactOption {

 // Init initialize the CLI context for artifact scanning
 func (c *ArtifactOption) Init(ctx *cli.Context, logger *zap.SugaredLogger) (err error) {
+
+	// kubernetes subcommand doesn't require any argument
+	if ctx.Command.Name == "kubernetes" {
+		return nil
+	}
+
 	if c.Input == "" && ctx.Args().Len() == 0 {
 		logger.Debug(`trivy requires at least 1 argument or --input option`)
 		_ = cli.ShowSubcommandHelp(ctx) // nolint: errcheck
--- a/pkg/commands/option/kubernetes.go
+++ b/pkg/commands/option/kubernetes.go
@@ -0,0 +1,17 @@
+package option
+
+import (
+	"github.com/urfave/cli/v2"
+)
+
+// KubernetesOption holds the options for Kubernetes scanning
+type KubernetesOption struct {
+	Namespace string
+}
+
+// NewKubernetesOption is the factory method to return Kubernetes options
+func NewKubernetesOption(c *cli.Context) KubernetesOption {
+	return KubernetesOption{
+		Namespace: c.String("namespace"),
+	}
+}
--- a/pkg/report/k8s/json.go
+++ b/pkg/report/k8s/json.go
@@ -0,0 +1,26 @@
+package k8s
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+
+	"golang.org/x/xerrors"
+)
+
+type JSONWriter struct {
+	Output io.Writer
+}
+
+// Write writes the results in JSON format
+func (jw JSONWriter) Write(report Report) error {
+	output, err := json.MarshalIndent(report, "", "  ")
+	if err != nil {
+		return xerrors.Errorf("failed to marshal json: %w", err)
+	}
+
+	if _, err = fmt.Fprintln(jw.Output, string(output)); err != nil {
+		return xerrors.Errorf("failed to write json: %w", err)
+	}
+	return nil
+}
--- a/pkg/report/k8s/k8s.go
+++ b/pkg/report/k8s/k8s.go
@@ -0,0 +1,62 @@
+package k8s
+
+import (
+	"golang.org/x/xerrors"
+
+	"github.com/aquasecurity/trivy/pkg/report"
+	"github.com/aquasecurity/trivy/pkg/types"
+)
+
+// Report represents a kubernetes scan report
+type Report struct {
+	SchemaVersion     int `json:",omitempty"`
+	ClusterName       string
+	Vulnerabilities   []Resource `json:",omitempty"`
+	Misconfigurations []Resource `json:",omitempty"`
+}
+
+// Resource represents a kubernetes resource report
+type Resource struct {
+	Namespace string `json:",omitempty"`
+	Kind      string
+	Name      string
+	//TODO(josedonizetti): should add metadata? per report? per Result?
+	//Metadata  Metadata `json:",omitempty"`
+	Results types.Results `json:",omitempty"`
+	Error   string        `json:",omitempty"`
+}
+
+// Failed returns whether the k8s report includes any vulnerabilities or misconfigurations
+func (report Report) Failed() bool {
+	for _, r := range report.Vulnerabilities {
+		if r.Results.Failed() {
+			return true
+		}
+	}
+
+	for _, r := range report.Misconfigurations {
+		if r.Results.Failed() {
+			return true
+		}
+	}
+
+	return false
+}
+
+// Writer defines the result write operation
+type Writer interface {
+	Write(Report) error
+}
+
+// Write writes the results in the give format
+func Write(report Report, option report.Option) error {
+	var writer Writer
+	switch option.Format {
+	case "json":
+		writer = &JSONWriter{Output: option.Output}
+	default:
+		return xerrors.Errorf("unknown format: %v", option.Format)
+	}
+
+	return writer.Write(report)
+}