ContainerImage.Pinniped/cmd/pinniped-concierge-kube-cert-agent/testdata/test.key

Switch to a slimmer distroless base image. At a high level, it switches us to a distroless base container image, but that also includes several related bits: - Add a writable /tmp but make the rest of our filesystems read-only at runtime. - Condense our main server binaries into a single pinniped-server binary. This saves a bunch of space in the image due to duplicated library code. The correct behavior is dispatched based on `os.Args[0]`, and the `pinniped-server` binary is symlinked to `pinniped-concierge` and `pinniped-supervisor`. - Strip debug symbols from our binaries. These aren't really useful in a distroless image anyway and all the normal stuff you'd expect to work, such as stack traces, still does. - Add a separate `pinniped-concierge-kube-cert-agent` binary with "sleep" and "print" functionality instead of using builtin /bin/sleep and /bin/cat for the kube-cert-agent. This is split from the main server binary because the loading/init time of the main server binary was too large for the tiny resource footprint we established in our kube-cert-agent PodSpec. Using a separate binary eliminates this issue and the extra binary adds only around 1.5MiB of image size. - Switch the kube-cert-agent code to use a JSON `{"tls.crt": "<b64 cert>", "tls.key": "<b64 key>"}` format. This is more robust to unexpected input formatting than the old code, which simply concatenated the files with some extra newlines and split on whitespace. - Update integration tests that made now-invalid assumptions about the `pinniped-server` image. Signed-off-by: Matt Moyer <moyerm@vmware.com> 2021-07-26 16:18:43 +00:00			`-----BEGIN RSA PRIVATE KEY-----`
			`MIIEogIBAAKCAQEAvcqFi/aAhDUPDOHZxYyJ36h8Ce8sh9XZe/rW9MsamtQj5dSo`
			`Hj+C1/pfpQ2fQt623ad3ynjDLuHDveFT+CB2+ZYm+oGtKNzckZ/L6SPrp8pdf49O`
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			`YGwHhP2sClt0FZMp4Ike/x+/lEwVLOlPe7NM7wIDAQABAoIBAFC1tUEmHNUcM0BJ`
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			`GkhklfPh1MWnK9o6wlnzWKXWrrp2Jni+mpPyuOPAmq4Maniv2XeP+0bROwqpyojv`
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			`LfCU6Dk8IN/SsppVUWXQ2rlORvxlrHeCio8o0kS9Yiu55WMYg4g=`
			`-----END RSA PRIVATE KEY-----`