add signing with cosign to the binaries and images

.github/workflows/release.yaml

@@ -9,6 +9,11 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+
+    permissions:
+      id-token: write
+      contents: write
+
     steps:
 
       - name: checkout

.goreleaser.yml

@@ -1,5 +1,8 @@
 project_name: chart-testing
 
+env:
+  - COSIGN_EXPERIMENTAL=true
+
 before:
   hooks:
     - go mod download
@@ -97,3 +100,17 @@ docker_manifests:
   image_templates:
   - quay.io/helmpack/chart-testing:{{ .Tag }}-amd64
   - quay.io/helmpack/chart-testing:{{ .Tag }}-arm64
+
+signs:
+  - id: all
+    signature: "${artifact}.sig"
+    certificate: "${artifact}.pem"
+    cmd: cosign
+    args: ["sign-blob", "--output-signature", "${artifact}.sig", "--output-certificate", "${artifact}.pem", "${artifact}"]
+    artifacts: all
+
+docker_signs:
+  - id: images
+    cmd: cosign
+    args: ["sign", "${artifact}"]
+    artifacts: manifests

build.sh

@@ -67,7 +67,7 @@ main() {
     fi
 
     if [[ -z "$release" ]]; then
-        goreleaser_args+=(--snapshot)
+        goreleaser_args+=(--snapshot --skip-sign)
     fi
 
     pushd "$SCRIPT_DIR" > /dev/null

go.mod

@@ -12,6 +12,7 @@ require (
 	github.com/mattn/go-shellwords v1.0.12
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/pkg/errors v0.9.1
+	github.com/sigstore/cosign v1.6.0
 	github.com/spf13/cobra v1.4.0
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.10.1
@@ -28,6 +29,7 @@ require (
 	cloud.google.com/go/kms v1.3.0 // indirect
 	cloud.google.com/go/storage v1.21.0 // indirect
 	code.gitea.io/sdk/gitea v0.15.1 // indirect
+	cuelang.org/go v0.4.2 // indirect
 	github.com/AlekSi/pointer v1.2.0 // indirect
 	github.com/Azure/azure-pipeline-go v0.2.3 // indirect
 	github.com/Azure/azure-sdk-for-go v61.5.0+incompatible // indirect
@@ -50,6 +52,7 @@ require (
 	github.com/Masterminds/semver/v3 v3.1.1 // indirect
 	github.com/Masterminds/sprig v2.22.0+incompatible // indirect
 	github.com/Microsoft/go-winio v0.5.1 // indirect
+	github.com/OneOfOne/xxhash v1.2.8 // indirect
 	github.com/PaesslerAG/gval v1.0.0 // indirect
 	github.com/PaesslerAG/jsonpath v0.1.1 // indirect
 	github.com/ProtonMail/go-crypto v0.0.0-20211112122917-428f8eabeeb3 // indirect
@@ -110,8 +113,10 @@ require (
 	github.com/census-instrumentation/opencensus-proto v0.3.0 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/chrismellard/docker-credential-acr-env v0.0.0-20220119192733-fe33c00cee21 // indirect
+	github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e // indirect
 	github.com/cncf/udpa/go v0.0.0-20210930031921-04548b0d99d4 // indirect
 	github.com/cncf/xds/go v0.0.0-20211216145620-d92e9ce0af51 // indirect
+	github.com/cockroachdb/apd/v2 v2.0.1 // indirect
 	github.com/common-nighthawk/go-figure v0.0.0-20210622060536-734e95fb86be // indirect
 	github.com/containerd/containerd v1.5.10 // indirect
 	github.com/containerd/stargz-snapshotter/estargz v0.10.1 // indirect
@@ -133,6 +138,7 @@ require (
 	github.com/docker/go-units v0.4.0 // indirect
 	github.com/dsnet/compress v0.0.2-0.20210315054119-f66993602bf5 // indirect
 	github.com/dustin/go-humanize v1.0.0 // indirect
+	github.com/emicklei/proto v1.6.15 // indirect
 	github.com/emirpasic/gods v1.12.0 // indirect
 	github.com/envoyproxy/go-control-plane v0.10.1 // indirect
 	github.com/envoyproxy/protoc-gen-validate v0.6.2 // indirect
@@ -231,6 +237,7 @@ require (
 	github.com/leodido/go-urn v1.2.1 // indirect
 	github.com/magiconair/properties v1.8.5 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/manifoldco/promptui v0.9.0 // indirect
 	github.com/mattn/go-colorable v0.1.12 // indirect
 	github.com/mattn/go-ieproxy v0.0.1 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
@@ -246,6 +253,7 @@ require (
 	github.com/mitchellh/reflectwalk v1.0.2 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/mpvl/unique v0.0.0-20150818121801-cbe035fff7de // indirect
 	github.com/muesli/coral v1.0.0 // indirect
 	github.com/muesli/mango v0.1.0 // indirect
 	github.com/muesli/mango-coral v1.0.1 // indirect
@@ -255,6 +263,7 @@ require (
 	github.com/oklog/run v1.1.0 // indirect
 	github.com/oklog/ulid v1.3.1 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
+	github.com/open-policy-agent/opa v0.35.0 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.0.3-0.20220114050600-8b9d41f48198 // indirect
 	github.com/opentracing/opentracing-go v1.2.0 // indirect
@@ -267,6 +276,8 @@ require (
 	github.com/prometheus/client_model v0.2.0 // indirect
 	github.com/prometheus/common v0.32.1 // indirect
 	github.com/prometheus/procfs v0.7.3 // indirect
+	github.com/protocolbuffers/txtpbfmt v0.0.0-20201118171849-f6a6b3f636fc // indirect
+	github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475 // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/ryanuber/go-glob v1.0.0 // indirect
@@ -276,7 +287,6 @@ require (
 	github.com/segmentio/ksuid v1.0.4 // indirect
 	github.com/sergi/go-diff v1.2.0 // indirect
 	github.com/shibumi/go-pathspec v1.3.0 // indirect
-	github.com/sigstore/cosign v1.6.0 // indirect
 	github.com/sigstore/fulcio v0.1.2-0.20220114150912-86a2036f9bc7 // indirect
 	github.com/sigstore/rekor v0.4.1-0.20220114213500-23f583409af3 // indirect
 	github.com/sigstore/sigstore v1.1.1-0.20220217212907-e48ca03a5ba7 // indirect
@@ -307,9 +317,12 @@ require (
 	github.com/x-cray/logrus-prefixed-formatter v0.5.2 // indirect
 	github.com/xanzy/go-gitlab v0.56.0 // indirect
 	github.com/xanzy/ssh-agent v0.3.1 // indirect
+	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
+	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
 	github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 // indirect
 	github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 // indirect
 	github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778 // indirect
+	github.com/yashtewari/glob-intersection v0.0.0-20180916065949-5c77d914dd0b // indirect
 	github.com/zeebo/errs v1.2.2 // indirect
 	go.etcd.io/bbolt v1.3.6 // indirect
 	go.etcd.io/etcd/api/v3 v3.5.1 // indirect