Fix Github CI - Add tag_semver.sh and minor code refactor

Author: vissarapusrikanth

Diff for: internal/auth/auth.go

@@ -15,6 +15,14 @@ import (
 	crusoeapi "github.com/crusoecloud/client-go/swagger/v1alpha5"
 )
 
+const (
+	timestampHeader = "X-Crusoe-Timestamp"
+	authHeader      = "Authorization"
+	authVersion     = "1.0"
+)
+
+var errSemicolonSeparator = errors.New("invalid semicolon separator in query")
+
 // AuthenticatingTransport is a struct implementing http.Roundtripper
 // that authenticates a request to Crusoe Cloud before sending it out.
 type AuthenticatingTransport struct {
@@ -44,12 +52,6 @@ func (t AuthenticatingTransport) RoundTrip(r *http.Request) (*http.Response, err
 	return t.RoundTripper.RoundTrip(r)
 }
 
-const (
-	timestampHeader = "X-Crusoe-Timestamp"
-	authHeader      = "Authorization"
-	authVersion     = "1.0"
-)
-
 // Verifies if the token signature is valid for a given request.
 func addSignature(req *http.Request, encodedKeyID, encodedKey string) error {
 	req.Header.Set(timestampHeader, time.Now().UTC().Format(time.RFC3339))
@@ -109,8 +111,6 @@ func generateMessageV1_0(req *http.Request) ([]byte, error) {
 	return []byte(messageString.String()), nil
 }
 
-var errSemicolonSeparator = errors.New("invalid semicolon separator in query")
-
 // Canonicalizes the query into a deterministic string.
 // see https://cs.opensource.google/go/go/+/refs/tags/go1.18.8:src/net/url/url.go;l=921
 func canonicalizeQuery(query string) (canonicalQuery string, err error) {

Diff for: scripts/tag_semver.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+set -e
+
+MAJOR_VERSION=$1
+MINOR_VERSION=$2
+TAG_PREFIX=$3
+
+# find the latest tag
+NEW_VERSION="${TAG_PREFIX}v${MAJOR_VERSION}.${MINOR_VERSION}.0"
+git fetch -q --tags --prune --prune-tags
+tags=$(git tag -l ${TAG_PREFIX}v${MAJOR_VERSION}.${MINOR_VERSION}.* --sort=-version:refname)
+if [[ ! -z "$tags" ]]; then
+  arr=(${tags})
+  for val in ${arr[@]}; do
+    if [[ "$val" =~ ^${TAG_PREFIX}v${MAJOR_VERSION}+\.${MINOR_VERSION}\.[0-9]+$ ]]; then
+      prev_build=$(echo ${val} | cut -d. -f3)
+      new_build=$((prev_build+1))
+      NEW_VERSION="${TAG_PREFIX}v${MAJOR_VERSION}.${MINOR_VERSION}.${new_build}"
+      break
+    fi
+  done
+fi
+
+echo "Version for this commit: ${NEW_VERSION}"
+echo "RELEASE_VERSION=${NEW_VERSION}" >> variables.env