SPKI: Generate issuer and AS config for topo

[oncilla]

This PR adds the capability to generate issuer and AS certificate
config files for a given topology description.

Additionally, adds missing tests for generated keys.toml.

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This change is 

[lukedirtwalker]

Reviewed 3 of 3 files at r1.
Reviewable status: all files reviewed, 3 unresolved discussions (waiting on @oncilla)

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go/tools/scion-pki/internal/v2/tmpl/topo.go, line 176 at r1 (raw file):

}

func (g topoGen) genIssuerCerts(topo topoFile, cfg map[addr.ISD]conf.TRC2) error {

cfg argument is not used. It could maybe be used to determine the TRCVersion for the issuer cert. Else just drop it.

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go/tools/scion-pki/internal/v2/tmpl/topo.go, line 208 at r1 (raw file):

}

func (g topoGen) genASCerts(topo topoFile, cfg map[addr.ISD]conf.TRC2) error {

cfg argument is not used.

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go/tools/scion-pki/internal/v2/tmpl/topo_test.go, line 99 at r1 (raw file):

				assert.Equal(t, algo, meta.Algorithm)
				assert.Equal(t, g.Validity, meta.Validity)

extra empty line. I'd move it one line below.

[oncilla]

Reviewable status: all files reviewed, 3 unresolved discussions (waiting on @lukedirtwalker)

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go/tools/scion-pki/internal/v2/tmpl/topo.go, line 176 at r1 (raw file):

Previously, lukedirtwalker (Lukas Vogel) wrote…

cfg argument is not used. It could maybe be used to determine the TRCVersion for the issuer cert. Else just drop it.

That was the plan initially, but then I dropped it because it is always 1 anyway.

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go/tools/scion-pki/internal/v2/tmpl/topo.go, line 208 at r1 (raw file):

Previously, lukedirtwalker (Lukas Vogel) wrote…

cfg argument is not used.

Done.

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go/tools/scion-pki/internal/v2/tmpl/topo_test.go, line 99 at r1 (raw file):

Previously, lukedirtwalker (Lukas Vogel) wrote…

extra empty line. I'd move it one line below.

Done.

[lukedirtwalker]

Reviewed 2 of 2 files at r2.
Reviewable status: complete! all files reviewed, all discussions resolved