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base.bzl
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# defines a function to replicate the container images for different distributions
load("//cacerts:cacerts.bzl", "cacerts")
load("//:checksums.bzl", "ARCHITECTURES")
load("@io_bazel_rules_go//go:def.bzl", "go_binary")
load("@contrib_rules_oci//oci:defs.bzl", "oci_image", "oci_image_index", "structure_test")
load("@rules_pkg//:pkg.bzl", "pkg_tar")
NONROOT = 65532
def deb_file(arch, distro, package):
return "@{arch}_{distro}_{package}//:data".format(arch = arch, distro = distro, package = package)
def deb_pkg(arch, distro, package):
return "@{arch}_{distro}_{package}".format(arch = arch, distro = distro, package = package)
# Replicate everything for all distroless suffixes
def distro_components(distro):
USER_VARIANTS = [("root", 0, "/"), ("nonroot", NONROOT, "/home/nonroot")]
# loop for multi-arch images
for (user, _, _) in USER_VARIANTS:
oci_image_index(
name = "static_" + user + "_" + distro,
images = [
"static_" + user + "_" + arch + "_" + distro
for arch in ARCHITECTURES
],
)
oci_image_index(
name = "base_nossl_" + user + "_" + distro,
images = [
"base_nossl_" + user + "_" + arch + "_" + distro
for arch in ARCHITECTURES
],
)
oci_image_index(
name = "base_" + user + "_" + distro,
images = [
"base_" + user + "_" + arch + "_" + distro
for arch in ARCHITECTURES
],
)
oci_image_index(
name = "debug_" + user + "_" + distro,
images = [
"debug_" + user + "_" + arch + "_" + distro
for arch in ARCHITECTURES
],
)
oci_image_index(
name = "base_nossl_debug_" + user + "_" + distro,
images = [
"base_nossl_debug_" + user + "_" + arch + "_" + distro
for arch in ARCHITECTURES
],
)
oci_image_index(
name = "static_debug_" + user + "_" + distro,
images = [
"static_debug_" + user + "_" + arch + "_" + distro
for arch in ARCHITECTURES
],
)
for arch in ARCHITECTURES:
cacerts(
name = "cacerts_" + arch + "_" + distro,
deb = deb_file(arch, distro, "ca-certificates"),
)
for (user, uid, workdir) in USER_VARIANTS:
oci_image(
name = "static_" + user + "_" + arch + "_" + distro,
env = {
"PATH": "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
# allows openssl to find the certificates by default
# TODO: We should run update-ca-certifaces, but that requires "openssl rehash"
# which would probably need to be run inside the container
"SSL_CERT_FILE": "/etc/ssl/certs/ca-certificates.crt",
},
tars = [
deb_pkg(arch, distro, "base-files"),
deb_pkg(arch, distro, "netbase"),
deb_pkg(arch, distro, "tzdata"),
":passwd",
":group_tar",
# Create /tmp, too many things assume it exists.
# tmp.tar has a /tmp with the correct permissions 01777
# A tar is needed because at the moment there is no way to create a
# directory with specific permissions.
":tmp.tar",
":nsswitch.tar",
"//os_release:os_release_" + distro + ".tar",
":cacerts_" + arch + "_" + distro + ".tar",
],
user = "%d" % uid,
workdir = workdir,
os = "linux",
architecture = arch,
)
oci_image(
name = "base_nossl_" + user + "_" + arch + "_" + distro,
architecture = arch,
base = ":static_" + user + "_" + arch + "_" + distro,
tars = [
deb_pkg(arch, distro, "libc6"),
],
)
oci_image(
name = "base_" + user + "_" + arch + "_" + distro,
base = ":static_" + user + "_" + arch + "_" + distro,
tars = [
deb_pkg(arch, distro, "libc6"),
deb_pkg(arch, distro, "libssl1.1"),
deb_pkg(arch, distro, "openssl"),
],
)
# A debug image with busybox available.
oci_image(
name = "debug_" + user + "_" + arch + "_" + distro,
base = ":base_" + user + "_" + arch + "_" + distro,
entrypoint = ["/busybox/sh"],
env = {"PATH": "$PATH:/busybox"},
tars = ["//experimental/busybox:busybox_" + arch + ".tar"],
)
# A base_nossl debug image with busybox available.
oci_image(
name = "base_nossl_debug_" + user + "_" + arch + "_" + distro,
base = ":base_nossl_" + user + "_" + arch + "_" + distro,
entrypoint = ["/busybox/sh"],
env = {"PATH": "$PATH:/busybox"},
tars = ["//experimental/busybox:busybox_" + arch + ".tar"],
)
# A static debug image with busybox available.
oci_image(
name = "static_debug_" + user + "_" + arch + "_" + distro,
base = ":static_" + user + "_" + arch + "_" + distro,
entrypoint = ["/busybox/sh"],
env = {"PATH": "$PATH:/busybox"},
tars = ["//experimental/busybox:busybox_" + arch + ".tar"],
)
##########################################################################################
# Check that we can overlay a pure Go binary on a static base to check certificates
##########################################################################################
go_binary(
name = "check_certs_" + arch + "_" + distro,
srcs = ["testdata/check_certs.go"],
goarch = arch,
# Test image is linux based
goos = "linux",
pure = "on",
)
pkg_tar(
name = "check_certs_" + arch + "_" + distro + "_tar",
srcs = ["check_certs_" + arch + "_" + distro],
symlinks = {
"/check_certs": "check_certs_" + arch + "_" + distro,
},
)
oci_image(
name = "check_certs_image_" + arch + "_" + distro,
base = "//base:static_root_" + arch + "_" + distro,
tars = [
":check_certs_" + arch + "_" + distro + "_tar",
],
visibility = ["//visibility:private"],
)
structure_test(
name = "static_" + arch + "_" + distro + "_test",
config = ["testdata/static.yaml"],
image = ":check_certs_image_" + arch + "_" + distro,
tags = ["manual", arch],
)
##########################################################################################
# Check that we can invoke openssl in the base image to check certificates.
##########################################################################################
structure_test(
name = "openssl_" + arch + "_" + distro + "_test",
config = ["testdata/certs.yaml"],
image = ":base_root_" + arch + "_" + distro,
tags = ["manual", arch],
)
##########################################################################################
# Check for common base files.
##########################################################################################
structure_test(
name = "base_" + arch + "_" + distro + "_test",
config = ["testdata/base.yaml"],
image = ":base_root_" + arch + "_" + distro,
tags = ["manual", arch],
)
structure_test(
name = "base_nossl_" + arch + "_" + distro + "_test",
config = ["testdata/base.yaml"],
image = ":base_nossl_root_" + arch + "_" + distro,
tags = ["manual", arch],
)
##########################################################################################
# Check for busybox
##########################################################################################
structure_test(
name = "debug_" + arch + "_" + distro + "_test",
config = ["testdata/debug.yaml"],
image = ":debug_root_" + arch + "_" + distro,
tags = ["manual", arch],
)
structure_test(
name = "base_nossl_debug_" + arch + "_" + distro + "_test",
config = ["testdata/debug.yaml"],
image = ":base_nossl_debug_root_" + arch + "_" + distro,
tags = ["manual", arch],
)
structure_test(
name = "static_debug_" + arch + "_" + distro + "_test",
config = ["testdata/debug.yaml"],
image = ":static_debug_root_" + arch + "_" + distro,
tags = ["manual", arch],
)
##########################################################################################
# Check the /etc/os-release contents.
##########################################################################################
structure_test(
name = "base_release_" + arch + "_" + distro + "_test",
config = ["testdata/" + distro + ".yaml"],
image = ":base_root_" + arch + "_" + distro,
tags = ["manual", arch],
)
structure_test(
name = "base_nossl_release_" + arch + "_" + distro + "_test",
config = ["testdata/" + distro + ".yaml"],
image = ":base_nossl_root_" + arch + "_" + distro,
tags = ["manual", arch],
)
structure_test(
name = "debug_release_" + arch + "_" + distro + "_test",
config = ["testdata/" + distro + ".yaml"],
image = ":debug_root_" + arch + "_" + distro,
tags = ["manual", arch],
)
structure_test(
name = "static_release_" + arch + "_" + distro + "_test",
config = ["testdata/" + distro + ".yaml"],
image = ":static_root_" + arch + "_" + distro,
tags = ["manual", arch],
)
structure_test(
name = "static_debug_release_" + arch + "_" + distro + "_test",
config = ["testdata/" + distro + ".yaml"],
image = ":static_debug_root_" + arch + "_" + distro,
tags = ["manual", arch],
)