Installer scripts.

installer/alpine.sh

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+#!/usr/bin/env sh
+
+# Environment variables
+ALPINE_RELEASE="v$(cut /etc/alpine-release -d '.' -f 1,2)"
+
+# Add the signing public key
+wget -q \
+    https://nwlabs-381491855445-package-builder.s3.amazonaws.com/signing.key.pub \
+    -O /etc/apk/keys/northwood-labs.pub
+
+cat <<EOF >>/etc/apk/repositories
+https://nwlabs-381491855445-package-builder.s3.amazonaws.com/apk/${ALPINE_RELEASE}/main
+EOF
+
+# Update the index
+apk update --allow-untrusted

installer/amzn-2.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+# Add the signing public key
+rpm --import https://keys.openpgp.org/vks/v1/by-fingerprint/2C1A348F6149F5AC21D9DCB68D4B026D3C7658F0
+rpm --import https://nwlabs-381491855445-package-builder.s3.amazonaws.com/amazon-ssm-agent-exp20250217.asc
+
+# Add the definition
+# rpm <= v4.12 does not validate packages signed with subkeys.
+# Disable GPG validation for this OS release.
+cat <<EOF >/etc/yum.repos.d/northwood-labs.repo
+[northwood-labs-amzn2]
+name="Northwood Labs: Amazon Linux 2 Packages"
+baseurl=https://nwlabs-381491855445-package-builder.s3.amazonaws.com/rpm/amazonlinux/2/\$basearch/
+enabled=1
+gpgcheck=0
+priority=1
+check_obsoletes=1
+skip_if_unavailable=1
+EOF
+
+# Update the package index
+yum clean all && rm -rf /var/cache/yum && yum -y update

installer/amzn-2023.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+# Add the signing public key
+rpm --import https://keys.openpgp.org/vks/v1/by-fingerprint/2C1A348F6149F5AC21D9DCB68D4B026D3C7658F0
+rpm --import https://nwlabs-381491855445-package-builder.s3.amazonaws.com/amazon-ssm-agent-exp20250217.asc
+
+# Add the definition
+cat <<EOF >/etc/yum.repos.d/northwood-labs.repo
+[northwood-labs-amzn2023]
+name="Northwood Labs: Amazon Linux 2023 Packages"
+baseurl=https://nwlabs-381491855445-package-builder.s3.amazonaws.com/rpm/amazonlinux/2023/\$basearch/
+enabled=1
+gpgcheck=1
+gpgkey=https://keys.openpgp.org/vks/v1/by-fingerprint/2C1A348F6149F5AC21D9DCB68D4B026D3C7658F0
+       https://nwlabs-381491855445-package-builder.s3.amazonaws.com/amazon-ssm-agent-exp20250217.asc
+priority=1
+check_obsoletes=1
+skip_if_unavailable=1
+EOF
+
+# Update the package index
+yum clean all && rm -rf /var/cache/yum && yum -y update

installer/ubuntu.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+# Prerequisites
+apt-get -y update
+apt-get -y install --no-install-recommends \
+    apt-utils \
+    ca-certificates \
+    gnupg2 \
+    lsb-release \
+    software-properties-common \
+    ;
+
+# Add the signing public key
+gpg --keyserver hkps://keys.openpgp.org \
+    --receive-keys 2C1A348F6149F5AC21D9DCB68D4B026D3C7658F0 2>/dev/null
+gpg --output /etc/apt/trusted.gpg.d/northwood-labs.asc \
+    --armor \
+    --export 2C1A348F6149F5AC21D9DCB68D4B026D3C7658F0
+
+# Add the definition
+RELEASE="$(lsb_release -cs)"
+mkdir -p /etc/apt/sources.list.d
+cat <<EOF >/etc/apt/sources.list.d/northwood-labs.list
+deb https://nwlabs-381491855445-package-builder.s3.amazonaws.com/apt ${RELEASE} main
+EOF
+
+# Update the package index
+apt-get clean && apt-get autoclean && apt-get -y update