ARM architecture: Goss + S6 require architecture detection for packag…

…es (#64)

* Goss / S6: added architecture detection

* S6: updated public key location

* Scripts: [[ vs [

Co-authored-by: Bryan Latten <latten@adobe.com>

.travis.yml

@@ -7,6 +7,10 @@ before_install:
 # install goss
 - curl -L https://goss.rocks/install | sudo sh
 
+arch:
+  - amd64
+  - arm64
+
 script:
 - docker build -f Dockerfile-alpine .
 - docker build -f Dockerfile-centos-7 .

container/root/scripts/install_goss.sh

@@ -8,10 +8,22 @@
 
 GOSS_VERSION=v0.3.16
 
-# Manually locate and commit from https://github.com/aelsabbahy/goss/releases/download/vX.Y.Z/goss-linux-amd64.sha256
-GOSS_SHA256=827e354b48f93bce933f5efcd1f00dc82569c42a179cf2d384b040d8a80bfbfb
+# Locate manually and commit below from https://github.com/aelsabbahy/goss/releases/download/${GOSS_VERSION}/goss-linux-${ARCH}.sha256
+GOSS_SHA256=""
+# Determined automatically to correctly select binary
+ARCH=""
 
-curl -fL https://github.com/aelsabbahy/goss/releases/download/${GOSS_VERSION}/goss-linux-amd64 -o /usr/local/bin/goss
+if [[ "$(uname -m)" = "x86_64" ]]; then
+  echo "[goss install] Detected x86_64 architecture"
+  ARCH="amd64"
+  GOSS_SHA256=827e354b48f93bce933f5efcd1f00dc82569c42a179cf2d384b040d8a80bfbfb
+elif [[ "$(uname -m)" = "aarch64" ]]; then
+  echo "[goss install] Detected ARM architecture"
+  ARCH="arm"
+  GOSS_SHA256=67c1e6185759a25bf9db334a9fe795a25708f2b04abe808a87d72edd6cd393fd
+fi;
+
+curl -fL https://github.com/aelsabbahy/goss/releases/download/${GOSS_VERSION}/goss-linux-${ARCH} -o /usr/local/bin/goss
 
 # NOTE: extra whitespace between SHA sum and location is intentional, required for Alpine
 echo "${GOSS_SHA256}  /usr/local/bin/goss" | sha256sum -c - 2>&1 | grep OK

container/root/scripts/install_s6.sh

@@ -6,13 +6,26 @@
 # Downloads, verifies, and extracts
 # Requires curl, gpg (or gnupg on Alpine), and tar to be present
 
-S6_NAME=s6-overlay-amd64.tar.gz
+# Determined automatically to correctly select binary
+ARCH=""
+
+if [[ "$(uname -m)" = "x86_64" ]]; then
+  echo "[s6 install] Detected x86_64 architecture"
+  ARCH="amd64"
+elif [[ "$(uname -m)" = "aarch64" ]]; then
+  echo "[s6 install] Detected ARM architecture"
+  ARCH="aarch64"
+fi;
+
+S6_NAME=s6-overlay-${ARCH}.tar.gz
 S6_VERSION=v2.2.0.3
+PUBLIC_KEY=6101B2783B2FD161
 
 curl -fL https://github.com/just-containers/s6-overlay/releases/download/${S6_VERSION}/${S6_NAME} -o /tmp/${S6_NAME}
 curl -fL https://github.com/just-containers/s6-overlay/releases/download/${S6_VERSION}/${S6_NAME}.sig -o /tmp/${S6_NAME}.sig
-curl https://keybase.io/justcontainers/key.asc| gpg --no-tty --batch --import
-gpg --no-tty --batch --verify /tmp/${S6_NAME}.sig /tmp/${S6_NAME}
+
+gpg --keyserver pgp.surfnet.nl --recv-keys $PUBLIC_KEY
+gpg --verify /tmp/${S6_NAME}.sig /tmp/${S6_NAME}
 
 # Special handling - CentOS >= 7 + Ubuntu >= 20.04
 # @see https://github.com/just-containers/s6-overlay#bin-and-sbin-are-symlinks