chore: Ubuntu 18 build fixes (#733)

* chore: ubuntu 18 fixes

* chore: fix gpg key fetch for ubuntu 18.04

* chore: more U18-specific fixes

* chore: fix apt-key errors

* chore: pg12 specific changes

* chore: fix pg upgrade initiate script

Author: pcnc

.github/workflows/ami-build-ubuntu-18.yml

@@ -50,18 +50,19 @@ jobs:
         with:
           push: false
           load: true
+          file: Dockerfile-u18
           build-args: |
             ${{ steps.args.outputs.result }}
           target: extensions
-          tags: supabase/postgres:extensions
+          tags: supabase/postgres:extensions-u18
           platforms: linux/${{ matrix.arch }}
           cache-from: type=gha
-          cache-to: type=gha,mode=max
+          cache-to: type=gha,mode=max,ignore-error=true
 
       - name: Extract built packages
         run: |
           mkdir -p /tmp/extensions ansible/files/extensions
-          docker save supabase/postgres:extensions | tar xv -C /tmp/extensions
+          docker save supabase/postgres:extensions-u18 | tar xv -C /tmp/extensions
           for layer in /tmp/extensions/*/layer.tar; do
             tar xvf "$layer" -C ansible/files/extensions --strip-components 1
           done
@@ -80,11 +81,11 @@ jobs:
             ubuntu_release_no=${{ matrix.ubuntu_version }}
             postgresql_major=${{ steps.version.outputs.postgresql_major }}
             postgresql_release=${{ steps.version.outputs.postgresql_release }}
-            CPPFLAGS=-mcpu=${{ matrix.mcpu }}
+            DEB_BUILD_PROFILES=pkg.postgresql.nozstd
           tags: supabase/postgres:deb-u18
           platforms: linux/${{ matrix.arch }}
           cache-from: type=gha
-          cache-to: type=gha,mode=max
+          cache-to: type=gha,mode=max,ignore-error=true
       - name: Extract Postgres deb
         run: |
           mkdir -p /tmp/build ansible/files/postgres

Dockerfile

@@ -50,7 +50,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     && rm -rf /var/lib/apt/lists/*
 # Add Postgres PPA
 ARG postgresql_gpg_key=B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
-RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys "${postgresql_gpg_key}" && \
+RUN mkdir -p /root/.gnupg && chmod 700 /root/.gnupg && \
+    gpg --recv-keys --no-default-keyring --keyring /tmp/pgdg.key --keyserver pgp.mit.edu --recv-keys "${postgresql_gpg_key}" && \
+    gpg --no-default-keyring --keyring /tmp/pgdg.key --export "${postgresql_gpg_key}" > /etc/apt/trusted.gpg.d/pgdg.gpg && \
     echo "deb https://apt-archive.postgresql.org/pub/repos/apt focal-pgdg-archive main" > /etc/apt/sources.list.d/pgdg.list
 
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