Add json output for ignition

Signed-off-by: Christian Goll <cgoll@suse.com>

go.mod

@@ -6,6 +6,8 @@ require (
 	github.com/containers/image/v5 v5.7.0
 	github.com/containers/storage v1.30.0
 	github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e
+	github.com/coreos/ignition/v2 v2.15.0
+	github.com/coreos/vcontext v0.0.0-20230201181013-d72178a18687
 	github.com/creasty/defaults v1.7.0
 	github.com/fatih/color v1.15.0
 	github.com/golang/glog v1.0.0
@@ -18,7 +20,7 @@ require (
 	github.com/opencontainers/umoci v0.4.6
 	github.com/pkg/errors v0.9.1
 	github.com/spf13/cobra v1.6.1
-	github.com/stretchr/testify v1.8.1
+	github.com/stretchr/testify v1.8.2
 	github.com/talos-systems/go-smbios v0.1.1
 	golang.org/x/term v0.5.0
 	google.golang.org/genproto v0.0.0-20230223222841-637eb2293923
@@ -40,6 +42,8 @@ require (
 	github.com/containerd/containerd v1.5.0-beta.4 // indirect
 	github.com/containers/libtrust v0.0.0-20190913040956-14b96171aa3b // indirect
 	github.com/containers/ocicrypt v1.1.0 // indirect
+	github.com/coreos/go-semver v0.3.1 // indirect
+	github.com/coreos/go-systemd/v22 v22.5.0 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
 	github.com/cyphar/filepath-securejoin v0.2.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
@@ -76,13 +80,14 @@ require (
 	github.com/rootless-containers/proto v0.1.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/sirupsen/logrus v1.8.1 // indirect
-	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/spf13/pflag v1.0.6-0.20210604193023-d5e0c0615ace // indirect
 	github.com/stefanberger/go-pkcs11uri v0.0.0-20201008174630-78d3cae3a980 // indirect
 	github.com/syndtr/gocapability v0.0.0-20200815063812-42c35b437635 // indirect
 	github.com/ulikunitz/xz v0.5.10 // indirect
 	github.com/urfave/cli v1.22.4 // indirect
 	github.com/vbatts/go-mtree v0.5.0 // indirect
 	github.com/vbauerster/mpb/v5 v5.3.0 // indirect
+	github.com/vincent-petithory/dataurl v1.0.0 // indirect
 	go.etcd.io/bbolt v1.3.5 // indirect
 	go.mozilla.org/pkcs7 v0.0.0-20200128120323-432b2356ecb1 // indirect
 	golang.org/x/crypto v0.0.0-20211108221036-ceb1ce70b4fa // indirect

go.sum

@@ -350,6 +350,7 @@ cloud.google.com/go/storage v1.14.0/go.mod h1:GrKmX003DSIwi9o29oFT7YDnHYwZoctc3f
 cloud.google.com/go/storage v1.22.1/go.mod h1:S8N1cAStu7BOeFfE8KAQzmyyLkK8p/vmRq6kuBTW58Y=
 cloud.google.com/go/storage v1.23.0/go.mod h1:vOEEDNFnciUMhBeT6hsJIn3ieU5cFRmzeLgDvXzfIXc=
 cloud.google.com/go/storage v1.27.0/go.mod h1:x9DOL8TK/ygDUMieqwfhdpQryTeEkhGKMi80i/iqR2s=
+cloud.google.com/go/storage v1.29.0/go.mod h1:4puEjyTKnku6gfKoTfNOU/W+a9JyuVNxjpS5GBrB8h4=
 cloud.google.com/go/storagetransfer v1.5.0/go.mod h1:dxNzUopWy7RQevYFHewchb29POFv3/AaBgnhqzqiK0w=
 cloud.google.com/go/storagetransfer v1.6.0/go.mod h1:y77xm4CQV/ZhFZH75PLEXY0ROiS7Gh6pSKrM8dJyg6I=
 cloud.google.com/go/talent v1.1.0/go.mod h1:Vl4pt9jiHKvOgF9KoZo6Kob9oV4lwd/ZD5Cto54zDRw=
@@ -447,7 +448,9 @@ github.com/aphistic/sweet v0.2.0/go.mod h1:fWDlIh/isSE9n6EPsRmC0det+whmX6dJid3st
 github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
 github.com/aws/aws-sdk-go v1.15.11/go.mod h1:mFuSZ37Z9YOHbQEwBWztmVzqXrEkub65tZoCYDt7FT0=
 github.com/aws/aws-sdk-go v1.20.6/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
+github.com/aws/aws-sdk-go v1.44.204/go.mod h1:aVsgQcEevwlmQ7qHE9I3h+dtQgpqhFB+i8Phjh7fkwI=
 github.com/aybabtme/rgbterm v0.0.0-20170906152045-cc83f3b3ce59/go.mod h1:q/89r3U2H7sSsE2t6Kca0lfwTK8JdoNGS/yzM/4iH5I=
+github.com/beevik/etree v1.1.1-0.20200718192613-4a2f8b9d084c/go.mod h1:0yGO2rna3S9DkITDWHY1bMtcY4IJ4w+4S+EooZUR0bE=
 github.com/beorn7/perks v0.0.0-20160804104726-4c0e84591b9a/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
@@ -572,17 +575,26 @@ github.com/containers/storage v1.23.6/go.mod h1:haFs0HRowKwyzvWEx9EgI3WsL8XCSnBD
 github.com/containers/storage v1.30.0 h1:KS6zmoPyy0Qcx1HCCiseQ0ysSckRvtiuoVpIGh9iwQA=
 github.com/containers/storage v1.30.0/go.mod h1:M/xn0pg6ReYFrLtWl5YELI/a4Xjq+Z3e5GJxQrJCcDI=
 github.com/coreos/go-iptables v0.4.5/go.mod h1:/mVI274lEDI2ns62jHCDnCyBF9Iwsmekav8Dbxlm1MU=
+github.com/coreos/go-json v0.0.0-20230131223807-18775e0fb4fb/go.mod h1:rcFZM3uxVvdyNmsAV2jopgPD1cs5SPWJWU5dOz2LUnw=
 github.com/coreos/go-oidc v2.1.0+incompatible/go.mod h1:CgnwVTmzoESiwO9qyAFEMiHoZ1nMCKZlZ9V6mm3/LKc=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
+github.com/coreos/go-semver v0.3.1 h1:yi21YpKnrx1gt5R+la8n5WgS0kCrsPp33dmEyHReZr4=
+github.com/coreos/go-semver v0.3.1/go.mod h1:irMmmIw/7yzSRPWryHsK7EYSg09caPQL03VsM8rvUec=
 github.com/coreos/go-systemd v0.0.0-20161114122254-48702e0da86b/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e h1:Wf6HqHfScWJN9/ZjdUKyjop4mf3Qdd+1TvvltAvM3m8=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/go-systemd/v22 v22.0.0/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+1atmu1JpKERPPk=
 github.com/coreos/go-systemd/v22 v22.1.0/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+1atmu1JpKERPPk=
+github.com/coreos/go-systemd/v22 v22.5.0 h1:RrqgGjYQKalulkV8NGVIfkXQf6YYmOyiJKk8iXXhfZs=
+github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/coreos/ignition/v2 v2.15.0 h1:v2fQ6QvkcAF+La5PHHpnpBS1eGZo+LYL1wTOPvDKAcs=
+github.com/coreos/ignition/v2 v2.15.0/go.mod h1:+7BiKurzCFg3P427Ml0wqnKzIuhLimnil6LhFV2DkJM=
 github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
+github.com/coreos/vcontext v0.0.0-20230201181013-d72178a18687 h1:uSmlDgJGbUB0bwQBcZomBTottKwEDF5fF8UjSwKSzWM=
+github.com/coreos/vcontext v0.0.0-20230201181013-d72178a18687/go.mod h1:Salmysdw7DAVuobBW/LwsKKgpyCPHUhjyJoMJD+ZJiI=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.2 h1:p1EgwI/C7NhT0JmVkwCD2ZBK8j4aeHQX2pMHHBfMQ6w=
@@ -681,6 +693,7 @@ github.com/godbus/dbus v0.0.0-20151105175453-c7fdd8b5cd55/go.mod h1:/YcGZj5zSblf
 github.com/godbus/dbus v0.0.0-20180201030542-885f9cc04c9c/go.mod h1:/YcGZj5zSblfDWMMoOzV4fas9FZnQYTkDnsGvmh2Grw=
 github.com/godbus/dbus v0.0.0-20190422162347-ade71ed3457e/go.mod h1:bBOAhwG1umN6/6ZUMtDFBMQR8jRg9O75tm9K00oMsK4=
 github.com/godbus/dbus/v5 v5.0.3/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
+github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/gogo/googleapis v1.2.0/go.mod h1:Njal3psf3qN6dwBtQfUmBZh2ybovJ0tlu3o/AC7HYjU=
 github.com/gogo/googleapis v1.4.0/go.mod h1:5YRNX2z1oM5gXdAkurHa942MDgEJyk02w4OecKY87+c=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
@@ -767,6 +780,7 @@ github.com/google/pprof v0.0.0-20210601050228-01bbb1931b22/go.mod h1:kpwsk12EmLe
 github.com/google/pprof v0.0.0-20210609004039-a478d1d731e9/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
+github.com/google/renameio/v2 v2.0.0/go.mod h1:BtmJXm5YlszgC+TD4HOEEUFgkJP3nLxehU6hfe7jRt4=
 github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
@@ -831,6 +845,8 @@ github.com/j-keck/arping v0.0.0-20160618110441-2cf9dc699c56/go.mod h1:ymszkNOg6t
 github.com/jmespath/go-jmespath v0.0.0-20160202185014-0b12d6b521d8/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
 github.com/jmespath/go-jmespath v0.0.0-20160803190731-bd40a432e4c7/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
 github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
+github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
+github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
 github.com/jpillora/backoff v0.0.0-20180909062703-3050d21c67d7/go.mod h1:2iMrUgbbvHEiQClaW2NsSzMyGHqN+rDFqY705q49KG0=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
@@ -975,6 +991,7 @@ github.com/opencontainers/umoci v0.4.6 h1:nUULYM+jSLLJCVN2gd4wldm8/yuVMahC36UXna
 github.com/opencontainers/umoci v0.4.6/go.mod h1:ZyTwgJPvYl9xv1Cf3ykU41BxMSCxW3AtoueA5Bmxs1E=
 github.com/ostreedev/ostree-go v0.0.0-20190702140239-759a8c1ac913/go.mod h1:J6OG6YJVEWopen4avK3VNQSnALmmjvniMmni/YFYAwc=
 github.com/peterbourgon/diskv v2.0.1+incompatible/go.mod h1:uqqh8zWWbv1HBMNONnaR/tNboyR3/BZd58JJSHlUSCU=
+github.com/pin/tftp v2.1.0+incompatible/go.mod h1:xVpZOMCXTy+A5QMjEVN0Glwa1sUvaJhFXbr/aAxuxGY=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1-0.20171018195549-f15c970de5b7/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -1059,8 +1076,9 @@ github.com/spf13/pflag v0.0.0-20170130214245-9ff6c6923cff/go.mod h1:DYY7MBk1bdzu
 github.com/spf13/pflag v1.0.1-0.20171106142849-4c012f6dcd95/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/pflag v1.0.1/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
-github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/spf13/pflag v1.0.6-0.20210604193023-d5e0c0615ace h1:9PNP1jnUjRhfmGMlkXHjYPishpcw4jpSt/V/xYY3FMA=
+github.com/spf13/pflag v1.0.6-0.20210604193023-d5e0c0615ace/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stefanberger/go-pkcs11uri v0.0.0-20201008174630-78d3cae3a980 h1:lIOOHPEbXzO3vnmx2gok1Tfs31Q8GQqKLc8vVqyQq/I=
 github.com/stefanberger/go-pkcs11uri v0.0.0-20201008174630-78d3cae3a980/go.mod h1:AO3tvPzVZ/ayst6UlUKUv6rcPQInYe3IknH3jYhAKu8=
 github.com/stretchr/objx v0.0.0-20180129172003-8a3f7159479f/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
@@ -1078,8 +1096,9 @@ github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
-github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+github.com/stretchr/testify v1.8.2 h1:+h33VjcLVPDHtOdpUCuF+7gSuG3yGIftsP1YvFihtJ8=
+github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/syndtr/gocapability v0.0.0-20170704070218-db04d3cc01c8/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww=
 github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww=
 github.com/syndtr/gocapability v0.0.0-20200815063812-42c35b437635 h1:kdXcSzyDtseVEc4yCz2qF8ZrQvIDBJLl4S1c3GCXmoI=
@@ -1110,10 +1129,13 @@ github.com/vbatts/go-mtree v0.5.0/go.mod h1:7JbaNHyBMng+RP8C3Q4E+4Ca8JnGQA2R/MB+
 github.com/vbatts/tar-split v0.11.1/go.mod h1:LEuURwDEiWjRjwu46yU3KVGuUdVv/dcnpcEPSzR8z6g=
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+github.com/vincent-petithory/dataurl v1.0.0 h1:cXw+kPto8NLuJtlMsI152irrVw9fRDX8AbShPRpg2CI=
+github.com/vincent-petithory/dataurl v1.0.0/go.mod h1:FHafX5vmDzyP+1CQATJn7WFKc9CvnvxyvZy6I1MrG/U=
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 github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df/go.mod h1:JP3t17pCcGlemwknint6hfoeCVQrEMVwxRLRjXpq+BU=
+github.com/vmware/vmw-guestinfo v0.0.0-20220317130741-510905f0efa3/go.mod h1:CSBTxrhePCm0cmXNKDGeu+6bOQzpaEklfCqEpn89JWk=
 github.com/willf/bitset v1.1.11-0.20200630133818-d5bec3311243/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4=
 github.com/willf/bitset v1.1.11/go.mod h1:83CECat5yLh5zVOf4P1ErAgKA5UDvKtgyUABdr3+MjI=
 github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
@@ -1272,6 +1294,7 @@ golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug
 golang.org/x/net v0.0.0-20220909164309-bea034e7d591/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
 golang.org/x/net v0.0.0-20221012135044-0b7e1fb9d458/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
 golang.org/x/net v0.0.0-20221014081412-f15817d10f9b/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
+golang.org/x/net v0.1.0/go.mod h1:Cx3nUiGt4eDBEyega/BKRp+/AlGL8hYe7U9odMt2Cco=
 golang.org/x/net v0.2.0/go.mod h1:KqCZLdyyvdV855qA2rE3GC2aiw5xGR5TEjj8smXukLY=
 golang.org/x/net v0.5.0/go.mod h1:DivGGAXEgPSlEBzxGzZI+ZLohi+xUj054jfeKui00ws=
 golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
@@ -1425,6 +1448,7 @@ golang.org/x/sys v0.0.0-20220624220833-87e55d714810/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.4.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -1432,6 +1456,7 @@ golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
 golang.org/x/term v0.4.0/go.mod h1:9P2UbLfCdcvo3p/nzKvsmas4TnlujnuoV9hGgYzW1lQ=
 golang.org/x/term v0.5.0 h1:n2a8QNdAb0sZNpU9R1ALUXBbY+w51fCQDN+7EdxNBsY=
@@ -1580,6 +1605,7 @@ google.golang.org/api v0.99.0/go.mod h1:1YOf74vkVndF7pG6hIHuINsM7eWwpVTAfNMNiL91
 google.golang.org/api v0.100.0/go.mod h1:ZE3Z2+ZOr87Rx7dqFsdRQkRBk36kDtp/h+QpHbB7a70=
 google.golang.org/api v0.102.0/go.mod h1:3VFl6/fzoA+qNuS1N1/VfXY4LjoXN/wzeIp7TweWwGo=
 google.golang.org/api v0.103.0/go.mod h1:hGtW6nK1AC+d9si/UBhw8Xli+QMOf6xyNAyJw4qU9w0=
+google.golang.org/api v0.106.0/go.mod h1:2Ts0XTHNVWxypznxWOYUeI4g3WdP9Pk2Qk58+a/O9MY=
 google.golang.org/api v0.108.0/go.mod h1:2Ts0XTHNVWxypznxWOYUeI4g3WdP9Pk2Qk58+a/O9MY=
 google.golang.org/api v0.110.0/go.mod h1:7FC4Vvx1Mooxh8C5HWjzZHcavuS2f6pmJpZx60ca7iI=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=

internal/app/wwctl/overlay/show/main.go

@@ -69,7 +69,7 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 			wwlog.Error("%v does not identify a single node", NodeName)
 			os.Exit(1)
 		}
-		tstruct := overlay.InitStruct(filteredNodes[0])
+		tstruct := overlay.InitStruct(&filteredNodes[0])
 		tstruct.BuildSource = overlayFile
 		buffer, backupFile, writeFile, err := overlay.RenderTemplateFile(overlayFile, tstruct)
 		if err != nil {

internal/pkg/configure/hostfile.go

@@ -24,7 +24,7 @@ func Hostfile() error {
 	nodeInfo := node.NewInfo()
 	hostname, _ := os.Hostname()
 	nodeInfo.Id.Set(hostname)
-	tstruct := overlay.InitStruct(nodeInfo)
+	tstruct := overlay.InitStruct(&nodeInfo)
 	buffer, backupFile, writeFile, err := overlay.RenderTemplateFile(
 		hostTemplate,
 		tstruct)

internal/pkg/node/ignition.go

@@ -0,0 +1,127 @@
+package node
+
+import (
+	"fmt"
+	"sort"
+
+	types_3_4 "github.com/coreos/ignition/v2/config/v3_2/types"
+	"github.com/coreos/vcontext/path"
+	"github.com/hpcng/warewulf/internal/pkg/wwlog"
+)
+
+/*
+Create a ignition struct class for ignition
+*/
+func (node *NodeInfo) GetStorage() (stor types_3_4.Storage, err error, rep string) {
+	var fileSystems []types_3_4.Filesystem
+	for fsdevice, fs := range node.FileSystems {
+		var mountOptions []types_3_4.MountOption
+		for _, opt := range fs.MountOptions.GetSlice() {
+			mountOptions = append(mountOptions, types_3_4.MountOption(opt))
+		}
+		var fsOption []types_3_4.FilesystemOption
+		for _, opt := range fs.Options.GetSlice() {
+			fsOption = append(fsOption, types_3_4.FilesystemOption(opt))
+		}
+		wipe := fs.WipeFileSystem.GetB()
+		myFs := types_3_4.Filesystem{
+			Device:         fsdevice,
+			Path:           fs.Path.GetPointer(),
+			WipeFilesystem: &wipe,
+		}
+		if fs.Format.Get() != "" {
+			myFs.Format = fs.Format.GetPointer()
+		}
+		if fs.Label.Get() != "" {
+			myFs.Label = fs.Label.GetPointer()
+		}
+		if fs.MountOptions.Get() != "" {
+			myFs.MountOptions = mountOptions
+		}
+		if fs.Options.Get() != "" {
+			myFs.Options = fsOption
+		}
+		if fs.Options.Get() != "" {
+			myFs.UUID = fs.Uuid.GetPointer()
+		}
+		wwlog.Debug("created file system struct: %v", myFs)
+		fileSystems = append(fileSystems, myFs)
+	}
+	var disks []types_3_4.Disk
+	for diskDev, disk := range node.Disks {
+		var partitions []types_3_4.Partition
+		for partlabel, part := range disk.Partitions {
+			resize := part.Resize.GetB()
+			shouldExist := part.ShouldExist.GetB()
+			wipe := part.WipePartitionEntry.GetB()
+			label := partlabel
+			myPart := types_3_4.Partition{
+				Label:              &label,
+				Number:             part.Number.GetInt(),
+				ShouldExist:        &shouldExist,
+				WipePartitionEntry: &wipe,
+			}
+			if part.Guid.Get() != "" {
+				myPart.GUID = part.Guid.GetPointer()
+			}
+			if part.Resize.Get() != "" {
+				myPart.Resize = &resize
+			}
+			if part.SizeMiB.Get() != "" {
+				myPart.SizeMiB = part.SizeMiB.GetIntPtr()
+			}
+			if part.StartMiB.Get() != "" {
+				myPart.StartMiB = part.StartMiB.GetIntPtr()
+			}
+			if part.TypeGuid.Get() != "" {
+				myPart.TypeGUID = part.TypeGuid.GetPointer()
+			}
+			partitions = append(partitions, myPart)
+		}
+		sort.SliceStable(partitions, func(i int, j int) bool {
+			if partitions[i].Number == partitions[j].Number {
+				if partitions[i].SizeMiB != nil && partitions[j].SizeMiB == nil {
+					return true
+				}
+				if partitions[j].SizeMiB != nil && partitions[i].SizeMiB == nil {
+					return false
+				}
+				return *partitions[i].SizeMiB < *partitions[j].SizeMiB
+			}
+			return partitions[i].Number < partitions[j].Number
+		})
+		wipe := disk.WipeTable.GetB()
+		disks = append(disks, types_3_4.Disk{
+			Device:     diskDev,
+			Partitions: partitions,
+			WipeTable:  &wipe,
+		})
+	}
+	stor = types_3_4.Storage{
+		Disks:       disks,
+		Filesystems: fileSystems,
+	}
+	report := stor.Validate(path.ContextPath{})
+	if report.IsFatal() {
+		err = fmt.Errorf(report.String())
+	}
+	rep = report.String()
+	return
+}
+
+type MyIgnition struct {
+	Version string `json:"version"`
+}
+type SimpleIgnitionConfig struct {
+	Ignition MyIgnition        `json:"ignition"`
+	Storage  types_3_4.Storage `json:"storage"`
+}
+
+/*
+Get a simple config which can be marshalled to json
+*/
+func (node *NodeInfo) GetConfig() (conf SimpleIgnitionConfig, rep string, err error) {
+	conf.Storage, err, rep = node.GetStorage()
+	conf.Ignition.Version = "3.1.0"
+	return
+}

internal/pkg/node/methods.go

@@ -5,6 +5,7 @@ import (
 	"reflect"
 	"regexp"
 	"sort"
+	"strconv"
 	"strings"
 
 	"github.com/hpcng/warewulf/internal/pkg/util"
@@ -281,6 +282,37 @@ func (ent *Entry) GotReal() bool {
 	return len(ent.value) != 0
 }
 
+/*
+Get a pointer to the value
+*/
+func (ent *Entry) GetPointer() *string {
+	ret := ent.Get()
+	return &ret
+}
+
+/*
+Try to get a int of a value, 0 if value can't be parsed!
+*/
+func (ent *Entry) GetInt() int {
+	var ret int
+	if len(ent.value) != 0 {
+		ret, _ = strconv.Atoi(ent.value[0])
+	} else if len(ent.altvalue) != 0 {
+		ret, _ = strconv.Atoi(ent.altvalue[0])
+	} else if len(ent.def) != 0 {
+		ret, _ = strconv.Atoi(ent.def[0])
+	}
+	return ret
+}
+
+/*
+Ptr to int
+*/
+func (ent *Entry) GetIntPtr() *int {
+	ret := ent.GetInt()
+	return &ret
+}
+
 /**********
  *
  * Misc

internal/pkg/overlay/datastructure.go

@@ -6,8 +6,8 @@ import (
 	"strconv"
 	"time"
 
-	"github.com/hpcng/warewulf/internal/pkg/node"
 	warewulfconf "github.com/hpcng/warewulf/internal/pkg/config"
+	"github.com/hpcng/warewulf/internal/pkg/node"
 	"github.com/hpcng/warewulf/internal/pkg/wwlog"
 )
 
@@ -37,13 +37,15 @@ type TemplateStruct struct {
 	node.NodeConf
 	// backward compatiblity
 	Container string
+	ThisNode  *node.NodeInfo
 }
 
 /*
 Initialize an TemplateStruct with the given node.NodeInfo
 */
-func InitStruct(nodeInfo node.NodeInfo) TemplateStruct {
+func InitStruct(nodeInfo *node.NodeInfo) TemplateStruct {
 	var tstruct TemplateStruct
+	tstruct.ThisNode = nodeInfo
 	controller := warewulfconf.Get()
 	nodeDB, err := node.New()
 	if err != nil {
@@ -55,7 +57,7 @@ func InitStruct(nodeInfo node.NodeInfo) TemplateStruct {
 		wwlog.Error("%s", err)
 		os.Exit(1)
 	}
-	// init some convininence vars
+	// init some convenience vars
 	tstruct.Id = nodeInfo.Id.Get()
 	tstruct.Hostname = nodeInfo.Id.Get()
 	// Backwards compatibility for templates using "Keys"
@@ -81,17 +83,17 @@ func InitStruct(nodeInfo node.NodeInfo) TemplateStruct {
 	tstruct.BuildTime = dt.Format("01-02-2006 15:04:05 MST")
 	tstruct.BuildTimeUnix = strconv.FormatInt(dt.Unix(), 10)
 	tstruct.NodeConf.Tags = map[string]string{}
-	tstruct.NodeConf.GetFrom(nodeInfo)
+	tstruct.NodeConf.GetFrom(*nodeInfo)
 	// FIXME: Set ipCIDR address at this point, will fail with
 	// invalid ipv4 addr
-	for _, network := range tstruct.NetDevs {
+	for _, network := range tstruct.NodeConf.NetDevs {
 		ipCIDR := net.IPNet{
 			IP:   net.ParseIP(network.Ipaddr),
 			Mask: net.IPMask(net.ParseIP(network.Netmask))}
 		network.IpCIDR = ipCIDR.String()
 	}
 	// backward compatibilty
-	tstruct.Container = tstruct.ContainerName
+	tstruct.Container = tstruct.NodeConf.ContainerName
 
 	return tstruct
 

internal/pkg/overlay/funcmap.go

@@ -2,13 +2,16 @@ package overlay
 
 import (
 	"bufio"
+	"encoding/json"
+	"fmt"
 	"os"
 	"path"
 	"strings"
 
-	"github.com/hpcng/warewulf/internal/pkg/container"
-	"github.com/hpcng/warewulf/internal/pkg/util"
 	warewulfconf "github.com/hpcng/warewulf/internal/pkg/config"
+	"github.com/hpcng/warewulf/internal/pkg/container"
+	"github.com/hpcng/warewulf/internal/pkg/node"
+	"github.com/hpcng/warewulf/internal/pkg/util"
 	"github.com/hpcng/warewulf/internal/pkg/wwlog"
 )
 
@@ -100,3 +103,20 @@ func templateContainerFileInclude(containername string, filepath string) string
 	}
 	return strings.TrimSuffix(string(content), "\n")
 }
+
+func createIgnitionJson(node *node.NodeInfo) string {
+	conf, rep, err := node.GetConfig()
+	if len(conf.Storage.Disks) == 0 && len(conf.Storage.Filesystems) == 0 {
+		wwlog.Debug("no disks or filesystems present, don't create a json object")
+		return ""
+	}
+	if err != nil {
+		wwlog.Error("disk, filesystem configuration has following error: ", fmt.Sprint(err))
+		return fmt.Sprint(err)
+	}
+	if rep != "" {
+		wwlog.Warn("%s storage configuration has following non fatal problems: %s", node.Id, rep)
+	}
+	tmpYaml, _ := json.Marshal(&conf)
+	return string(tmpYaml)
+}

internal/pkg/overlay/overlay.go

@@ -245,7 +245,7 @@ func BuildOverlayIndir(nodeInfo node.NodeInfo, overlayNames []string, outputDir
 				wwlog.Debug("Created directory in overlay: %s", location)
 
 			} else if filepath.Ext(location) == ".ww" {
-				tstruct := InitStruct(nodeInfo)
+				tstruct := InitStruct(&nodeInfo)
 				tstruct.BuildSource = path.Join(overlaySourceDir, location)
 				wwlog.Verbose("Evaluating overlay template file: %s", location)
 				destFile := strings.TrimSuffix(location, ".ww")
@@ -266,7 +266,7 @@ func BuildOverlayIndir(nodeInfo node.NodeInfo, overlayNames []string, outputDir
 						line := fileScanner.Text()
 						filenameFromTemplate := reg.FindAllStringSubmatch(line, -1)
 						if len(filenameFromTemplate) != 0 {
-							wwlog.Debug("Found multifile comment, new filename %s", filenameFromTemplate[0][1])
+							wwlog.Debug("Found multiple comment, new filename %s", filenameFromTemplate[0][1])
 							if foundFileComment {
 								err = CarefulWriteBuffer(path.Join(outputDir, destFileName),
 									fileBuffer, backupFile, info.Mode())
@@ -384,6 +384,14 @@ func RenderTemplateFile(fileName string, data TemplateStruct) (
 		"inc":          func(i int) int { return i + 1 },
 		"dec":          func(i int) int { return i - 1 },
 		"file":         func(str string) string { return fmt.Sprintf("{{ /* file \"%s\" */ }}", str) },
+		"IgnitionJson": func() string {
+			str := createIgnitionJson(data.ThisNode)
+			if str != "" {
+				return str
+			}
+			writeFile = false
+			return ""
+		},
 		"abort": func() string {
 			wwlog.Debug("abort file called in %s", fileName)
 			writeFile = false
@@ -397,6 +405,12 @@ func RenderTemplateFile(fileName string, data TemplateStruct) (
 		"split": func(s string, d string) []string {
 			return strings.Split(s, d)
 		},
+		"tr": func(source, old, new string) string {
+			return strings.Replace(source, old, new, -1)
+		},
+		"replace": func(source, old, new string) string {
+			return strings.Replace(source, old, new, -1)
+		},
 		// }).ParseGlob(path.Join(OverlayDir, destFile+".ww*"))
 	}).ParseGlob(fileName)
 	if err != nil {