From cdafb36e510adb4b39bf6529a83efa62a6b20dc2 Mon Sep 17 00:00:00 2001
From: sankarm <sankarm@vmware.com>
Date: Fri, 23 Dec 2022 16:38:23 +0530
Subject: [PATCH 1/2] getting latest nexus version part moved to docker image,
 since it has yq, tr dependencies

---
 cli/Dockerfile.utils      |  6 ++++++
 cli/get-latest-version.sh | 16 ++++++++++++++++
 cli/get-nexus-cli.sh      | 29 ++++++++++++++++++++---------
 3 files changed, 42 insertions(+), 9 deletions(-)
 create mode 100644 cli/Dockerfile.utils
 create mode 100755 cli/get-latest-version.sh

diff --git a/cli/Dockerfile.utils b/cli/Dockerfile.utils
new file mode 100644
index 000000000..46de8bf48
--- /dev/null
+++ b/cli/Dockerfile.utils
@@ -0,0 +1,6 @@
+FROM gcr.io/nsx-sm/photon:4.0
+
+RUN tdnf install --refresh -y jq coreutils 
+ADD get-latest-version.sh /
+ENTRYPOINT ["/usr/bin/bash", "/get-latest-version.sh"]
+
diff --git a/cli/get-latest-version.sh b/cli/get-latest-version.sh
new file mode 100755
index 000000000..bb83048e8
--- /dev/null
+++ b/cli/get-latest-version.sh
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -e 
+
+VERSION=""
+SEMVER_REGEX_MASTER="v[0-9]+\.[0-9]+\.[0-9]+$"
+
+json_resp=$(curl -s https://gcr.io/v2/nsx-sm/nexus/nexus-cli/tags/list | jq  -r '.manifest[] | .tag | select(.[]=="latest") | .[]')
+declare -a tags_array=($(echo "${json_resp}" | tr "\n" " "))
+for version in "${tags_array[@]}"; do
+       if [[ "${version}" =~ ${SEMVER_REGEX_MASTER} ]]; then
+                VERSION="${version}"
+                break
+       fi
+done
+
+echo "$VERSION" | tr -d '[:space:]'
diff --git a/cli/get-nexus-cli.sh b/cli/get-nexus-cli.sh
index 788dc0df6..39f05a992 100755
--- a/cli/get-nexus-cli.sh
+++ b/cli/get-nexus-cli.sh
@@ -5,19 +5,30 @@ set -e
 REPOSITORY="gcr.io/nsx-sm/nexus/nexus-cli"
 INSTALL_DIRECTORY="/usr/local/bin"
 VERSION=""
-
 SEMVER_REGEX_MASTER="v[0-9]+\.[0-9]+\.[0-9]+$"
-json_resp=$(curl -s https://gcr.io/v2/nsx-sm/nexus/nexus-cli/tags/list | jq  -r '.manifest[] | .tag | select(.[]=="latest") | .[]')
-declare -a tags_array=($(echo "${json_resp}" | tr "\n" " "))
-for version in "${tags_array[@]}"; do
-       if [[ "${version}" =~ ${SEMVER_REGEX_MASTER} ]]; then
-                VERSION="${version}"
-                break
-       fi
-done
 
 usage() { echo "Usage: $0 [-r <repository-name>] [-v <version>] [-d <install-directory>] " 1>&2; exit 1; }
 
+must_exist() {
+        export PATH=$PATH:$HOME/.local/bin
+        if ! command -v "$1" >/dev/null 2>&1; then
+                echo -e "$1" is not installed! "\n$2" >&2
+                return 1
+        fi
+}
+
+msg="docker is needed by this script, please install the docker to use this script to download the nexus"
+must_exist "docker" "${msg}"
+
+version_tag=$(docker run -it gcr.io/nsx-sm/nexus/cli-utils)
+if [[ "${version_tag}" =~ ${SEMVER_REGEX_MASTER} ]]; then
+	VERSION="${version_tag}"
+else
+	echo "Unable to find latest nexus version"
+	exit 1
+fi
+
+
 if [[ $# == 0 ]]; then
     echo -e "Downloading Nexus ...\nVersion: ${VERSION}\nImage repository: ${REPOSITORY}\nDirectory: ${INSTALL_DIRECTORY}\n"
     echo -e "Would you like to customize installation [y/n]:"

From 617bc09a011f4245ed2f48f976fbd000a1a060bc Mon Sep 17 00:00:00 2001
From: sankarm <sankarm@vmware.com>
Date: Fri, 23 Dec 2022 18:22:54 +0530
Subject: [PATCH 2/2] run the docker image with name and do cleanup once get
 the version

---
 cli/get-nexus-cli.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/cli/get-nexus-cli.sh b/cli/get-nexus-cli.sh
index 39f05a992..9241ca7b6 100755
--- a/cli/get-nexus-cli.sh
+++ b/cli/get-nexus-cli.sh
@@ -6,6 +6,7 @@ REPOSITORY="gcr.io/nsx-sm/nexus/nexus-cli"
 INSTALL_DIRECTORY="/usr/local/bin"
 VERSION=""
 SEMVER_REGEX_MASTER="v[0-9]+\.[0-9]+\.[0-9]+$"
+CLI_UTILS_DOCKER_NAME="cli-utils"
 
 usage() { echo "Usage: $0 [-r <repository-name>] [-v <version>] [-d <install-directory>] " 1>&2; exit 1; }
 
@@ -20,13 +21,15 @@ must_exist() {
 msg="docker is needed by this script, please install the docker to use this script to download the nexus"
 must_exist "docker" "${msg}"
 
-version_tag=$(docker run -it gcr.io/nsx-sm/nexus/cli-utils)
+version_tag=$(docker run --name ${CLI_UTILS_DOCKER_NAME} -it gcr.io/nsx-sm/nexus/cli-utils)
 if [[ "${version_tag}" =~ ${SEMVER_REGEX_MASTER} ]]; then
 	VERSION="${version_tag}"
 else
 	echo "Unable to find latest nexus version"
 	exit 1
 fi
+docker rm ${CLI_UTILS_DOCKER_NAME} &> /dev/null
+docker rmi "gcr.io/nsx-sm/nexus/cli-utils:latest" &> /dev/null 
 
 
 if [[ $# == 0 ]]; then