Update install CLI script (#50)

* Update install script to work with goreleaser

* Update install-cli version to 0.1.0-beta.1

* Update CLI readme

Author: archen2019

cli/README.md

@@ -6,8 +6,8 @@ This is a CLI tool for installing and managing the The Observability Stack for K
 
 __Dependencies__: [Go](https://golang.org/doc/install), [Helm](https://helm.sh/docs/intro/install/)
 
-To install the CLI, run `go install` from inside the `tobs` folder. 
-Then, copy the `tobs` binary from `$GOPATH/bin` to your `/bin` folder. 
+To build from source, run `go build -o tobs` from inside the `cli` folder. 
+Then, move the `tobs` binary from the current directory to your `/bin` folder. 
 
 ## Commands
 

install-cli.sh

@@ -2,116 +2,102 @@
 
 set -eu
 
-INSTALLROOT=${INSTALLROOT:-"${HOME}/.ts-obs"}
-TS_OBS_VERSION=${TS_OBS_VERSION:-0.1.0-alpha.4.1}
+INSTALLROOT=${INSTALLROOT:-"${HOME}/.tobs"}
+TOBS_VERSION=${TOBS_VERSION:-0.1.0-beta.1}
 
 happyexit() {
   echo ""
-  echo "Add the ts-obs CLI to your path with:"
+  echo "Add the tobs CLI to your path with:"
   echo ""
   echo "  export PATH=\$PATH:${INSTALLROOT}/bin"
   echo ""
   echo "After starting your cluster, run"
   echo ""
-  echo "  ts-obs install"
+  echo "  tobs install"
   echo ""
   exit 0
 }
 
 validate_checksum() {
   filename=$1
-  SHA=$(curl -sfL "${url}.sha256")
+  checksumlist=$(curl -sfL "${url}/checksums.txt")
   echo ""
   echo "Validating checksum..."
 
-  case $checksumbin in
-    *openssl)
-      checksum=$($checksumbin dgst -sha256 "${filename}" | sed -e 's/^.* //')
-      ;;
-    *shasum)
-      checksum=$($checksumbin -a256 "${filename}" | sed -e 's/^.* //')
-      ;;
-  esac
+  checksum=$($checksumbin -a256 "${filename}")
 
-  if [ "$checksum" != "$SHA" ]; then
+  if grep -Fxq "${checksum}" <<< "${checksumlist}"; then
+    echo "Checksum valid."
+    return 0
+  else
     echo "Checksum validation failed." >&2
     return 1
   fi
-  echo "Checksum valid."
-  return 0
 }
 
 OS=$(uname -s)
 arch=$(uname -m)
 case $OS in
-  CYGWIN* | MINGW64*)
-    OS=windows.exe
-    ;;
   Darwin)
     ;;
   Linux)
     case $arch in
       x86_64)
         ;;
+      i386)
+        ;;
       *)
-        echo "Timescale Observability does not support $OS/$arch. Please open an issue with your platform details."
+        echo "The Observability Stack does not support $OS/$arch. Please open an issue with your platform details."
         exit 1
         ;;
     esac
     ;;
   *)
-    echo "Timescale Observability does not support $OS/$arch. Please open an issue with your platform details."
+    echo "The Observability Stack does not support $OS/$arch. Please open an issue with your platform details."
     exit 1
     ;;
 esac
-OS=$(echo $OS | tr '[:upper:]' '[:lower:]')
 
-checksumbin=$(command -v openssl) || checksumbin=$(command -v shasum) || {
-  echo "Failed to find checksum binary. Please install openssl or shasum."
+tarbin=$(command -v tar) || {
+  echo "Failed to find unpacking binary. Please install tar."
   exit 1
 }
 
-tmpdir=$(mktemp -d /tmp/ts-obs.XXXXXX)
-srcfile="ts-obs-${TS_OBS_VERSION}-${OS}"
-dstfile="${INSTALLROOT}/bin/ts-obs-${TS_OBS_VERSION}"
-url="https://github.com/timescale/timescale-observability/releases/download/${TS_OBS_VERSION}/${srcfile}"
-
-if [ -e "${dstfile}" ]; then
-  if validate_checksum "${dstfile}"; then
-    echo ""
-    echo "ts-obs ${TS_OBS_VERSION} was already downloaded; making it the default"
-    echo ""
-    echo "To force re-downloading, delete '${dstfile}' then run me again."
-    (
-      rm -f "${INSTALLROOT}/bin/ts-obs"
-      ln -s "${dstfile}" "${INSTALLROOT}/bin/ts-obs"
-    )
-    happyexit
-  fi
-fi
+checksumbin=$(command -v shasum) || {
+  echo "Failed to find checksum binary. Please install shasum."
+  exit 1
+}
+
+tmpdir=$(mktemp -d /tmp/tobs.XXXXXX)
+srcfile="tobs_${TOBS_VERSION}_${OS}_${arch}.tar.gz"
+dstfile="${INSTALLROOT}/bin/tobs-${TOBS_VERSION}"
+url="https://github.com/timescale/timescale-observability/releases/download/${TOBS_VERSION}"
 
 (
   cd "$tmpdir"
 
   echo "Downloading ${srcfile}..."
-  curl -fLO "${url}"
+  curl -fLO "${url}/${srcfile}"
   echo "Download complete!"
 
   if ! validate_checksum "${srcfile}"; then
     exit 1
   fi
+
+  $tarbin -xvf $srcfile
+
   echo ""
 )
 
 (
   mkdir -p "${INSTALLROOT}/bin"
-  mv "${tmpdir}/${srcfile}" "${dstfile}"
+  mv "${tmpdir}/tobs" "${dstfile}"
   chmod +x "${dstfile}"
-  rm -f "${INSTALLROOT}/bin/ts-obs"
-  ln -s "${dstfile}" "${INSTALLROOT}/bin/ts-obs"
+  rm -f "${INSTALLROOT}/bin/tobs"
+  ln -s "${dstfile}" "${INSTALLROOT}/bin/tobs"
 )
 
 rm -r "$tmpdir"
-echo "ts-obs ${TS_OBS_VERSION} was successfully installed 🎉"
+echo "tobs ${TOBS_VERSION} was successfully installed 🎉"
 echo ""
 happyexit