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pomerium: use on-disk envoy

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We can set an override path for Envoy's binary location now, so
do that instead of the previous thing of embedding the binary.

Note that we still need to include the SHA256/version of the binary
we're referring to, but Through The Power Of Nix™ we can do that
with relative ease.
This commit is contained in:
Luke Granger-Brown 2021-12-07 15:04:09 +00:00
parent 4099f93859
commit 74560e35e5
1 changed files with 23 additions and 13 deletions
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36
pkgs/servers/http/pomerium/default.nix
View file

@ -7,7 +7,7 @@
}:
let
inherit (lib) concatStringsSep mapAttrsToList;
inherit (lib) concatStringsSep concatMap id mapAttrsToList;
in
buildGoModule rec {
pname = "pomerium";
@ -28,24 +28,38 @@ buildGoModule rec {
ldflags = let
# Set a variety of useful meta variables for stamping the build with.
setVars = {
Version = "v${version}";
BuildMeta = "nixpkgs";
ProjectName = "pomerium";
ProjectURL = "github.com/pomerium/pomerium";
"github.com/pomerium/pomerium/internal/version" = {
Version = "v${version}";
BuildMeta = "nixpkgs";
ProjectName = "pomerium";
ProjectURL = "github.com/pomerium/pomerium";
};
"github.com/pomerium/pomerium/internal/envoy" = {
OverrideEnvoyPath = "${envoy}/bin/envoy";
};
};
varFlags = concatStringsSep " " (mapAttrsToList (name: value: "-X github.com/pomerium/pomerium/internal/version.${name}=${value}") setVars);
concatStringsSpace = list: concatStringsSep " " list;
mapAttrsToFlatList = fn: list: concatMap id (mapAttrsToList fn list);
varFlags = concatStringsSpace (
mapAttrsToFlatList (package: packageVars:
mapAttrsToList (variable: value:
"-X ${package}.${variable}=${value}"
) packageVars
) setVars);
in [
"${varFlags}"
];
preBuild = ''
# Replace embedded envoy with nothing.
# We set OverrideEnvoyPath above, so rawBinary should never get looked at
# but we still need to set a checksum/version.
rm internal/envoy/files/files_{darwin,linux}*.go
cat <<EOF >internal/envoy/files/files_generic.go
package files
import _ "embed" // embed
//go:embed envoy
var rawBinary []byte
//go:embed envoy.sha256
@ -54,14 +68,10 @@ buildGoModule rec {
//go:embed envoy.version
var rawVersion string
EOF
cp ${envoy}/bin/envoy internal/envoy/files/envoy
sha256sum ${envoy}/bin/envoy > internal/envoy/files/envoy.sha256
echo ${envoy.version} > internal/envoy/files/envoy.version
sha256sum '${envoy}/bin/envoy' > internal/envoy/files/envoy.sha256
echo '${envoy.version}' > internal/envoy/files/envoy.version
'';
# We also need to set dontStrip to avoid having the envoy ZIP stripped off the end.
dontStrip = true;
installPhase = ''
install -Dm0755 $GOPATH/bin/pomerium $out/bin/pomerium
install -Dm0755 $GOPATH/bin/pomerium-cli $out/bin/pomerium-cli