Merge pull request #4869 from Luap99/hosts-host

add hostname to /etc/hosts when running with host network

go.mod

@@ -5,10 +5,10 @@ go 1.18
 require (
 	github.com/containerd/containerd v1.7.2
 	github.com/containernetworking/cni v1.1.2
-	github.com/containers/common v0.53.1-0.20230601085031-462ccddd6cd8
-	github.com/containers/image/v5 v5.25.1-0.20230605120906-abe51339f34d
+	github.com/containers/common v0.53.1-0.20230620132900-ac2475afa81d
+	github.com/containers/image/v5 v5.25.1-0.20230613183705-07ced6137083
 	github.com/containers/ocicrypt v1.1.7
-	github.com/containers/storage v1.46.2-0.20230606141859-3f3fb2f93a7b
+	github.com/containers/storage v1.46.2-0.20230613134951-e424b6649be3
 	github.com/cyphar/filepath-securejoin v0.2.3
 	github.com/docker/distribution v2.8.2+incompatible
 	github.com/docker/docker v24.0.2+incompatible
@@ -40,8 +40,8 @@ require (
 )
 
 require (
-	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
-	github.com/BurntSushi/toml v1.3.1 // indirect
+	github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161 // indirect
+	github.com/BurntSushi/toml v1.3.2 // indirect
 	github.com/Microsoft/go-winio v0.6.1 // indirect
 	github.com/Microsoft/hcsshim v0.10.0-rc.8 // indirect
 	github.com/VividCortex/ewma v1.2.0 // indirect
@@ -67,7 +67,7 @@ require (
 	github.com/go-openapi/runtime v0.26.0 // indirect
 	github.com/go-openapi/spec v0.20.9 // indirect
 	github.com/go-openapi/strfmt v0.21.7 // indirect
-	github.com/go-openapi/swag v0.22.3 // indirect
+	github.com/go-openapi/swag v0.22.4 // indirect
 	github.com/go-openapi/validate v0.22.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
@@ -83,7 +83,7 @@ require (
 	github.com/jinzhu/copier v0.3.5 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/klauspost/compress v1.16.5 // indirect
+	github.com/klauspost/compress v1.16.6 // indirect
 	github.com/klauspost/pgzip v1.2.6 // indirect
 	github.com/letsencrypt/boulder v0.0.0-20230213213521-fdfea0d469b6 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
@@ -110,7 +110,7 @@ require (
 	github.com/sigstore/rekor v1.2.2-0.20230601122533-4c81ff246d12 // indirect
 	github.com/sigstore/sigstore v1.6.5 // indirect
 	github.com/stefanberger/go-pkcs11uri v0.0.0-20201008174630-78d3cae3a980 // indirect
-	github.com/sylabs/sif/v2 v2.11.4 // indirect
+	github.com/sylabs/sif/v2 v2.11.5 // indirect
 	github.com/tchap/go-patricia/v2 v2.3.1 // indirect
 	github.com/theupdateframework/go-tuf v0.5.2 // indirect
 	github.com/titanous/rocacheck v0.0.0-20171023193734-afe73141d399 // indirect
@@ -124,9 +124,9 @@ require (
 	go.opencensus.io v0.24.0 // indirect
 	golang.org/x/exp v0.0.0-20230522175609-2e198f4a06a1 // indirect
 	golang.org/x/mod v0.10.0 // indirect
-	golang.org/x/net v0.10.0 // indirect
+	golang.org/x/net v0.11.0 // indirect
 	golang.org/x/text v0.10.0 // indirect
-	golang.org/x/tools v0.9.1 // indirect
+	golang.org/x/tools v0.9.3 // indirect
 	google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1 // indirect
 	google.golang.org/grpc v1.55.0 // indirect
 	google.golang.org/protobuf v1.30.0 // indirect

go.sum

@@ -1,12 +1,12 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/14rcole/gopopulate v0.0.0-20180821133914-b175b219e774 h1:SCbEWT58NSt7d2mcFdvxC9uyrdcTfvBbPLThhkDmXzg=
 github.com/AdaLogics/go-fuzz-headers v0.0.0-20230106234847-43070de90fa1 h1:EKPd1INOIyr5hWOWhvpmQpY6tKjeG0hT1s3AMC/9fic=
-github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 h1:UQHMgLO+TxOElx5B5HZ4hJQsoJ/PvUvKRhJHDQXO8P8=
-github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
+github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161 h1:L/gRVlceqvL25UVaW/CKtUDjefjrs0SPonmDGUVOYP0=
+github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/toml v1.2.1/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
-github.com/BurntSushi/toml v1.3.1 h1:rHnDkSK+/g6DlREUK73PkmIs60pqrnuduK+JmP++JmU=
-github.com/BurntSushi/toml v1.3.1/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
+github.com/BurntSushi/toml v1.3.2 h1:o7IhLm0Msx3BaB+n3Ag7L8EVlByGnpq14C4YWiu/gL8=
+github.com/BurntSushi/toml v1.3.2/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
 github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA=
 github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow=
 github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5+sAH+4kjUM=
@@ -49,16 +49,16 @@ github.com/containernetworking/cni v1.1.2 h1:wtRGZVv7olUHMOqouPpn3cXJWpJgM6+EUl3
 github.com/containernetworking/cni v1.1.2/go.mod h1:sDpYKmGVENF3s6uvMvGgldDWeG8dMxakj/u+i9ht9vw=
 github.com/containernetworking/plugins v1.3.0 h1:QVNXMT6XloyMUoO2wUOqWTC1hWFV62Q6mVDp5H1HnjM=
 github.com/containernetworking/plugins v1.3.0/go.mod h1:Pc2wcedTQQCVuROOOaLBPPxrEXqqXBFt3cZ+/yVg6l0=
-github.com/containers/common v0.53.1-0.20230601085031-462ccddd6cd8 h1:4CSS3QsohNx+A9qZtSm3uhM0nyAl0GCfrZ3kWuQTa5E=
-github.com/containers/common v0.53.1-0.20230601085031-462ccddd6cd8/go.mod h1:Ifb8x+7K6IDxb47whnSLQZ1rcb2OXt+WrYFPPIpEXYc=
-github.com/containers/image/v5 v5.25.1-0.20230605120906-abe51339f34d h1:rNGRwMeck1s0/IPWFT7hN1WJ0R/vWP+ikueMTf8rmlI=
-github.com/containers/image/v5 v5.25.1-0.20230605120906-abe51339f34d/go.mod h1:52TGKzziLzutVX0cskgbWjQOzTDCHGPUEQH7/N2Ofnc=
+github.com/containers/common v0.53.1-0.20230620132900-ac2475afa81d h1:Z+xdHWSwjW/VGdYGufKfqji+G7FQ1IdkFai0MOpqzd4=
+github.com/containers/common v0.53.1-0.20230620132900-ac2475afa81d/go.mod h1:qE1MzGl69IoK7ZNCCH51+aLVjyQtnH0LiZe0wG32Jy0=
+github.com/containers/image/v5 v5.25.1-0.20230613183705-07ced6137083 h1:6Pbnll97ls6G0U3DSxaTqp7Sd8Fykc4gd7BUJm7Bpn8=
+github.com/containers/image/v5 v5.25.1-0.20230613183705-07ced6137083/go.mod h1:yRLIs3vw20kCSt3ZvRyX3cp4EIYjNUW6RX9uq2cZ8J8=
 github.com/containers/libtrust v0.0.0-20230121012942-c1716e8a8d01 h1:Qzk5C6cYglewc+UyGf6lc8Mj2UaPTHy/iF2De0/77CA=
 github.com/containers/libtrust v0.0.0-20230121012942-c1716e8a8d01/go.mod h1:9rfv8iPl1ZP7aqh9YA68wnZv2NUDbXdcdPHVz0pFbPY=
 github.com/containers/ocicrypt v1.1.7 h1:thhNr4fu2ltyGz8aMx8u48Ae0Pnbip3ePP9/mzkZ/3U=
 github.com/containers/ocicrypt v1.1.7/go.mod h1:7CAhjcj2H8AYp5YvEie7oVSK2AhBY8NscCYRawuDNtw=
-github.com/containers/storage v1.46.2-0.20230606141859-3f3fb2f93a7b h1:fMIR/iDnRseO0+1117jrFm/4nigLyaSkAWPLmj0NkMo=
-github.com/containers/storage v1.46.2-0.20230606141859-3f3fb2f93a7b/go.mod h1:rAMKXif5EYSYDnwzpY+e44Tw6gRsEewB9+1CwLw+Jtg=
+github.com/containers/storage v1.46.2-0.20230613134951-e424b6649be3 h1:nSCnnrCMocJDsNUU4EDPT8GkW7ToU43/QbXGRC+ciEs=
+github.com/containers/storage v1.46.2-0.20230613134951-e424b6649be3/go.mod h1:pRp3lkRo2qodb/ltpnudoXggrviRmaCmU5a5GhTBae0=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/creack/pty v1.1.18 h1:n56/Zwd5o6whRC5PMGretI4IdRLlmBXYNjScPaBgsbY=
@@ -129,8 +129,8 @@ github.com/go-openapi/strfmt v0.21.7/go.mod h1:adeGTkxE44sPyLk0JV235VQAO/ZXUr8KA
 github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
 github.com/go-openapi/swag v0.19.15/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/eQntq43wQ=
 github.com/go-openapi/swag v0.21.1/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/eQntq43wQ=
-github.com/go-openapi/swag v0.22.3 h1:yMBqmnQ0gyZvEb/+KzuWZOXgllrXT4SADYbvDaXHv/g=
-github.com/go-openapi/swag v0.22.3/go.mod h1:UzaqsxGiab7freDnrUUra0MwWfN/q7tE4j+VcZ0yl14=
+github.com/go-openapi/swag v0.22.4 h1:QLMzNJnMGPRNDCbySlcj1x01tzU8/9LTTL9hZZZogBU=
+github.com/go-openapi/swag v0.22.4/go.mod h1:UzaqsxGiab7freDnrUUra0MwWfN/q7tE4j+VcZ0yl14=
 github.com/go-openapi/validate v0.22.1 h1:G+c2ub6q47kfX1sOBLwIQwzBVt8qmOAARyo/9Fqs9NU=
 github.com/go-openapi/validate v0.22.1/go.mod h1:rjnrwK57VJ7A8xqfpAOEKRH8yQSGUriMu5/zuPSQ1hg=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
@@ -234,8 +234,8 @@ github.com/karrick/godirwalk v1.10.3/go.mod h1:RoGL9dQei4vP9ilrpETWE8CLOZ1kiN0Lh
 github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/klauspost/compress v1.13.6/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=
-github.com/klauspost/compress v1.16.5 h1:IFV2oUNUzZaz+XyusxpLzpzS8Pt5rh0Z16For/djlyI=
-github.com/klauspost/compress v1.16.5/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
+github.com/klauspost/compress v1.16.6 h1:91SKEy4K37vkp255cJ8QesJhjyRO0hn9i9G0GoUwLsk=
+github.com/klauspost/compress v1.16.6/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
 github.com/klauspost/pgzip v1.2.6 h1:8RXeL5crjEUFnR2/Sn6GJNWtSQ3Dk8pq4CL3jvdDyjU=
 github.com/klauspost/pgzip v1.2.6/go.mod h1:Ch1tH69qFZu15pkjo5kYi6mth2Zzwzt50oCQKQE9RUs=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
@@ -298,7 +298,7 @@ github.com/onsi/ginkgo v1.16.4/go.mod h1:dX+/inL/fNMqNlz0e9LfyB9TswhZpCVdJM/Z6Vv
 github.com/onsi/ginkgo v1.16.5 h1:8xi0RTUf59SOSfEtZMvwTvXYMzG4gV23XVHOZiXNtnE=
 github.com/onsi/ginkgo v1.16.5/go.mod h1:+E8gABHa3K6zRBolWtd+ROzc/U5bkGt0FwiG042wbpU=
 github.com/onsi/ginkgo/v2 v2.1.3/go.mod h1:vw5CSIxN1JObi/U8gcbwft7ZxR2dgaR70JSE3/PpL4c=
-github.com/onsi/ginkgo/v2 v2.9.7 h1:06xGQy5www2oN160RtEZoTvnP2sPhEfePYmCDc2szss=
+github.com/onsi/ginkgo/v2 v2.11.0 h1:WgqUCUt/lT6yXoQ8Wef0fsNn5cAuMK7+KT9UFRz2tcU=
 github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY=
 github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo=
 github.com/onsi/gomega v1.17.0/go.mod h1:HnhC7FXeEQY45zxNK3PPoIUhzk/80Xly9PcubAlGdZY=
@@ -382,8 +382,8 @@ github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
-github.com/sylabs/sif/v2 v2.11.4 h1:4dRvsRFVkyS7e8oD8AEL0HrJocnet05+EFW+DhVb/Ic=
-github.com/sylabs/sif/v2 v2.11.4/go.mod h1:83kqbKZFRFfFLe1ui5BH+rAxF2obICM/i3zto4ivM7s=
+github.com/sylabs/sif/v2 v2.11.5 h1:7ssPH3epSonsTrzbS1YxeJ9KuqAN7ISlSM61a7j/mQM=
+github.com/sylabs/sif/v2 v2.11.5/go.mod h1:GBoZs9LU3e4yJH1dcZ3Akf/jsqYgy5SeguJQC+zd75Y=
 github.com/syndtr/gocapability v0.0.0-20200815063812-42c35b437635 h1:kdXcSzyDtseVEc4yCz2qF8ZrQvIDBJLl4S1c3GCXmoI=
 github.com/syndtr/gocapability v0.0.0-20200815063812-42c35b437635/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww=
 github.com/tchap/go-patricia/v2 v2.3.1 h1:6rQp39lgIYZ+MHmdEq4xzuk1t7OdC35z/xm0BGhTkes=
@@ -466,8 +466,8 @@ golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v
 golang.org/x/net v0.0.0-20210421230115-4e50805a0758/go.mod h1:72T/g9IO56b78aLF+1Kcs5dz7/ng1VjMUvfKvpfy+jM=
 golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.10.0 h1:X2//UzNDwYmtCLn7To6G58Wr6f5ahEAQgKNzv9Y951M=
-golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
+golang.org/x/net v0.11.0 h1:Gi2tvZIJyBtO9SDr1q9h5hEQCp/4L2RQ+ar0qjx2oNU=
+golang.org/x/net v0.11.0/go.mod h1:2L/ixqYpgIVXmeoSA/4Lu7BzTG4KIyPIryS4IsOd1oQ=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -536,8 +536,8 @@ golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
-golang.org/x/tools v0.9.1 h1:8WMNJAz3zrtPmnYC7ISf5dEn3MT0gY7jBJfw27yrrLo=
-golang.org/x/tools v0.9.1/go.mod h1:owI94Op576fPu3cIGQeHs3joujW/2Oc6MtlxbF5dfNc=
+golang.org/x/tools v0.9.3 h1:Gn1I8+64MsuTb/HpH+LmQtNas23LhUVr3rYZ0eKuaMM=
+golang.org/x/tools v0.9.3/go.mod h1:owI94Op576fPu3cIGQeHs3joujW/2Oc6MtlxbF5dfNc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

run_common.go

@@ -35,6 +35,7 @@ import (
 	"github.com/containers/common/libnetwork/network"
 	"github.com/containers/common/libnetwork/resolvconf"
 	netTypes "github.com/containers/common/libnetwork/types"
+	netUtil "github.com/containers/common/libnetwork/util"
 	"github.com/containers/common/pkg/config"
 	"github.com/containers/common/pkg/subscriptions"
 	imageTypes "github.com/containers/image/v5/types"
@@ -117,7 +118,7 @@ func (b *Builder) addResolvConf(rdir string, chownOpts *idtools.IDPair, dnsServe
 }
 
 // generateHosts creates a containers hosts file
-func (b *Builder) generateHosts(rdir string, chownOpts *idtools.IDPair, imageRoot string) (string, error) {
+func (b *Builder) generateHosts(rdir string, chownOpts *idtools.IDPair, imageRoot string, spec *spec.Spec) (string, error) {
 	conf, err := config.Default()
 	if err != nil {
 		return "", err
@@ -128,12 +129,34 @@ func (b *Builder) generateHosts(rdir string, chownOpts *idtools.IDPair, imageRoo
 		return "", err
 	}
 
+	var entries etchosts.HostEntries
+	isHost := true
+	if spec.Linux != nil {
+		for _, ns := range spec.Linux.Namespaces {
+			if ns.Type == specs.NetworkNamespace {
+				isHost = false
+				break
+			}
+		}
+	}
+	// add host entry for local ip when running in host network
+	if spec.Hostname != "" && isHost {
+		ip := netUtil.GetLocalIP()
+		if ip != "" {
+			entries = append(entries, etchosts.HostEntry{
+				Names: []string{spec.Hostname},
+				IP:    ip,
+			})
+		}
+	}
+
 	targetfile := filepath.Join(rdir, "hosts")
 	if err := etchosts.New(&etchosts.Params{
 		BaseFile:                 path,
 		ExtraHosts:               b.CommonBuildOpts.AddHost,
 		HostContainersInternalIP: etchosts.GetHostContainersInternalIP(conf, nil, nil),
 		TargetFile:               targetfile,
+		ContainerIPs:             entries,
 	}); err != nil {
 		return "", err
 	}
@@ -368,6 +391,9 @@ func checkAndOverrideIsolationOptions(isolation define.Isolation, options *RunOp
 		if (pidns != nil && pidns.Host) && (userns != nil && !userns.Host) {
 			return fmt.Errorf("not allowed to mix host PID namespace with container user namespace")
 		}
+	case IsolationChroot:
+		logrus.Info("network namespace isolation not supported with chroot isolation, forcing host network")
+		options.NamespaceOptions.AddOrReplace(define.NamespaceOption{Name: string(specs.NetworkNamespace), Host: true})
 	}
 	return nil
 }

run_freebsd.go

@@ -196,7 +196,7 @@ func (b *Builder) Run(command []string, options RunOptions) error {
 
 	hostFile := ""
 	if !options.NoHosts && !contains(volumes, config.DefaultHostsFile) && options.ConfigureNetwork != define.NetworkDisabled {
-		hostFile, err = b.generateHosts(path, rootIDPair, mountPoint)
+		hostFile, err = b.generateHosts(path, rootIDPair, mountPoint, spec)
 		if err != nil {
 			return err
 		}

run_linux.go

@@ -264,7 +264,7 @@ func (b *Builder) Run(command []string, options RunOptions) error {
 
 	hostFile := ""
 	if !options.NoHosts && !contains(volumes, config.DefaultHostsFile) && options.ConfigureNetwork != define.NetworkDisabled {
-		hostFile, err = b.generateHosts(path, rootIDPair, mountPoint)
+		hostFile, err = b.generateHosts(path, rootIDPair, mountPoint, spec)
 		if err != nil {
 			return err
 		}

tests/run.bats

@@ -682,14 +682,18 @@ function configure_and_check_user() {
 
 	run_buildah from --quiet --pull=false $WITH_POLICY_JSON debian
 	cid=$output
-	run_buildah run --network=host $cid cat /etc/hosts
+	run_buildah run --network=host --hostname $hostname $cid cat /etc/hosts
+	assert "$output" =~ "$ip[[:blank:]]$hostname"
 	hostOutput=$output
 	m=$(buildah mount $cid)
 	run cat $m/etc/hosts
 	[ "$status" -eq 0 ]
 	expect_output --substring ""
 	run_buildah run --network=host --no-hosts $cid cat /etc/hosts
 	[ "$output" != "$hostOutput" ]
+	# --isolation chroot implies host networking so check for the correct hosts entry
+	run_buildah run --isolation chroot --hostname $hostname $cid cat /etc/hosts
+	assert "$output" =~ "$ip[[:blank:]]$hostname"
 	run_buildah rm -a
 
 	run_buildah from --quiet --pull=false $WITH_POLICY_JSON debian