When recovering signatures for releases, the http connection doesn't use the system proxy configuration 
    

Always
Image set config
kind: ImageSetConfiguration
apiVersion: mirror.openshift.io/v2alpha1
mirror:
  platform:
    graph: true
    channels:
    - name: stable-4.16
    - name: stable-4.15
    

    1. Run oc-mirror with above imagesetconfig in mirror to mirror in an env that requires proxy setup

    

2024/07/15 14:02:11  [WARN]   : ⚠️  --v2 flag identified, flow redirected to the oc-mirror v2 version. This is Tech Preview, it is still under development and it is not production ready.
2024/07/15 14:02:11  [INFO]   : 👋 Hello, welcome to oc-mirror
2024/07/15 14:02:11  [INFO]   : ⚙️  setting up the environment for you...
2024/07/15 14:02:11  [INFO]   : 🔀 workflow mode: mirrorToMirror
2024/07/15 14:02:11  [INFO]   : 🕵️  going to discover the necessary images...
2024/07/15 14:02:11  [INFO]   : 🔍 collecting release images...
I0715 14:02:11.770186 2475426 core-cincinnati.go:477] Using proxy 10.18.7.5:3128 to request updates from https://api.openshift.com/api/upgrades_info/v1/graph?arch=amd64&channel=stable-4.16&id=3808de83-dfe4-42f6-8d5b-196ed1b5bbc6
2024/07/15 14:02:12  [INFO]   : detected minimum version as 4.16.1
2024/07/15 14:02:12  [INFO]   : detected minimum version as 4.16.1
I0715 14:02:12.321748 2475426 core-cincinnati.go:477] Using proxy 10.18.7.5:3128 to request updates from https://api.openshift.com/api/upgrades_info/v1/graph?arch=amd64&arch=amd64&channel=stable-4.16&channel=stable-4.16&id=3808de83-dfe4-42f6-8d5b-196ed1b5bbc6&id=3808de83-dfe4-42f6-8d5b-196ed1b5bbc6
I0715 14:02:12.485330 2475426 core-cincinnati.go:477] Using proxy 10.18.7.5:3128 to request updates from https://api.openshift.com/api/upgrades_info/v1/graph?arch=amd64&arch=amd64&arch=amd64&channel=stable-4.16&channel=stable-4.16&channel=stable-4.15&id=3808de83-dfe4-42f6-8d5b-196ed1b5bbc6&id=3808de83-dfe4-42f6-8d5b-196ed1b5bbc6&id=3808de83-dfe4-42f6-8d5b-196ed1b5bbc6
2024/07/15 14:02:12  [INFO]   : detected minimum version as 4.15.20
2024/07/15 14:02:12  [INFO]   : detected minimum version as 4.15.20
I0715 14:02:12.844366 2475426 core-cincinnati.go:477] Using proxy 10.18.7.5:3128 to request updates from https://api.openshift.com/api/upgrades_info/v1/graph?arch=amd64&arch=amd64&arch=amd64&arch=amd64&channel=stable-4.16&channel=stable-4.16&channel=stable-4.15&channel=stable-4.15&id=3808de83-dfe4-42f6-8d5b-196ed1b5bbc6&id=3808de83-dfe4-42f6-8d5b-196ed1b5bbc6&id=3808de83-dfe4-42f6-8d5b-196ed1b5bbc6&id=3808de83-dfe4-42f6-8d5b-196ed1b5bbc6
I0715 14:02:13.115004 2475426 core-cincinnati.go:477] Using proxy 10.18.7.5:3128 to request updates from https://api.openshift.com/api/upgrades_info/v1/graph?arch=amd64&channel=stable-4.15&id=00000000-0000-0000-0000-000000000000
I0715 14:02:13.784795 2475426 core-cincinnati.go:477] Using proxy 10.18.7.5:3128 to request updates from https://api.openshift.com/api/upgrades_info/v1/graph?arch=amd64&arch=amd64&channel=stable-4.15&channel=stable-4.15&id=00000000-0000-0000-0000-000000000000&id=00000000-0000-0000-0000-000000000000&version=4.15.20
I0715 14:02:13.965936 2475426 core-cincinnati.go:477] Using proxy 10.18.7.5:3128 to request updates from https://api.openshift.com/api/upgrades_info/v1/graph?arch=amd64&arch=amd64&arch=amd64&channel=stable-4.15&channel=stable-4.15&channel=stable-4.16&id=00000000-0000-0000-0000-000000000000&id=00000000-0000-0000-0000-000000000000&id=00000000-0000-0000-0000-000000000000&version=4.15.20
I0715 14:02:14.136625 2475426 core-cincinnati.go:477] Using proxy 10.18.7.5:3128 to request updates from https://api.openshift.com/api/upgrades_info/v1/graph?arch=amd64&arch=amd64&arch=amd64&arch=amd64&channel=stable-4.15&channel=stable-4.15&channel=stable-4.16&channel=stable-4.16&id=00000000-0000-0000-0000-000000000000&id=00000000-0000-0000-0000-000000000000&id=00000000-0000-0000-0000-000000000000&id=00000000-0000-0000-0000-000000000000&version=4.15.20&version=4.16.1
W0715 14:02:14.301982 2475426 core-cincinnati.go:282] No upgrade path for 4.15.20 in target channel stable-4.16
2024/07/15 14:02:14  [ERROR]  : http request Get "https://mirror.openshift.com/pub/openshift-v4/signatures/openshift/release/sha256=c17d4489c1b283ee71c76dda559e66a546e16b208a57eb156ef38fb30098903a/signature-1": dial tcp: lookup mirror.openshift.com: no such host
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x10 pc=0x3d02c56]

goroutine 1 [running]:
github.com/openshift/oc-mirror/v2/internal/pkg/release.SignatureSchema.GenerateReleaseSignatures({{0x54bb930, 0xc000c80738}, {{{0x4c6edb1, 0x15}, {0xc00067ada0, 0x1c}}, {{{...}, {...}, {...}, {...}, ...}, ...}}, ...}, ...)
	/go/src/github.com/openshift/oc-mirror/vendor/github.com/openshift/oc-mirror/v2/internal/pkg/release/signature.go:96 +0x656
github.com/openshift/oc-mirror/v2/internal/pkg/release.(*CincinnatiSchema).GetReleaseReferenceImages(0xc000fdc000, {0x54aef28, 0x74cf1c0})
	/go/src/github.com/openshift/oc-mirror/vendor/github.com/openshift/oc-mirror/v2/internal/pkg/release/cincinnati.go:208 +0x70a
github.com/openshift/oc-mirror/v2/internal/pkg/release.(*LocalStorageCollector).ReleaseImageCollector(0xc000184e00, {0x54aef28, 0x74cf1c0})
	/go/src/github.com/openshift/oc-mirror/vendor/github.com/openshift/oc-mirror/v2/internal/pkg/release/local_stored_collector.go:62 +0x47f
github.com/openshift/oc-mirror/v2/internal/pkg/cli.(*ExecutorSchema).CollectAll(0xc000ace000, {0x54aef28, 0x74cf1c0})
	/go/src/github.com/openshift/oc-mirror/vendor/github.com/openshift/oc-mirror/v2/internal/pkg/cli/executor.go:942 +0x115
github.com/openshift/oc-mirror/v2/internal/pkg/cli.(*ExecutorSchema).RunMirrorToMirror(0xc000ace000, 0xc0007a5800, {0xc000f3f038?, 0x17dcbb3?, 0x2000?})
	/go/src/github.com/openshift/oc-mirror/vendor/github.com/openshift/oc-mirror/v2/internal/pkg/cli/executor.go:748 +0x73
github.com/openshift/oc-mirror/v2/internal/pkg/cli.(*ExecutorSchema).Run(0xc000ace000, 0xc0004f9730?, {0xc0004f9730?, 0x0?, 0x0?})
	/go/src/github.com/openshift/oc-mirror/vendor/github.com/openshift/oc-mirror/v2/internal/pkg/cli/executor.go:443 +0x1b6
github.com/openshift/oc-mirror/v2/internal/pkg/cli.NewMirrorCmd.func1(0xc000ad0e00?, {0xc0004f9730, 0x1, 0x7})
	/go/src/github.com/openshift/oc-mirror/vendor/github.com/openshift/oc-mirror/v2/internal/pkg/cli/executor.go:203 +0x32a
github.com/spf13/cobra.(*Command).execute(0xc0007a5800, {0xc000052110, 0x7, 0x7})
	/go/src/github.com/openshift/oc-mirror/vendor/github.com/spf13/cobra/command.go:987 +0xaa3
github.com/spf13/cobra.(*Command).ExecuteC(0xc0007a5800)
	/go/src/github.com/openshift/oc-mirror/vendor/github.com/spf13/cobra/command.go:1115 +0x3ff
github.com/spf13/cobra.(*Command).Execute(0x72d7738?)
	/go/src/github.com/openshift/oc-mirror/vendor/github.com/spf13/cobra/command.go:1039 +0x13
main.main()
	/go/src/github.com/openshift/oc-mirror/cmd/oc-mirror/main.go:10 +0x18