[add] gitlab-runner helm chart

contents:
- gitlab-runner helm chart 추가

exemONE/helm/gitlab-runner/templates/_env_vars.tpl

@@ -0,0 +1,28 @@
+{{- define "gitlab-runner.runner-env-vars" }}
+- name: CI_SERVER_URL
+  value: {{ include "gitlab-runner.gitlabUrl" . }}
+- name: RUNNER_EXECUTOR
+  value: {{ default "kubernetes" .Values.runners.executor | quote }}
+{{- if eq (include "gitlab-runner.isAuthToken" .) "false" }}
+- name: REGISTER_LOCKED
+  {{ if or (not (hasKey .Values.runners "locked")) .Values.runners.locked -}}
+  value: "true"
+  {{- else -}}
+  value: "false"
+  {{- end }}
+- name: RUNNER_TAG_LIST
+  value: {{ default "" .Values.runners.tags | quote }}
+{{- end }}
+{{- if eq (default "kubernetes" .Values.runners.executor) "kubernetes" }}
+{{- if not (regexMatch "\\s*namespace\\s*=" .Values.runners.config) }}
+- name: KUBERNETES_NAMESPACE
+  value: {{ .Release.Namespace | quote }}
+{{- end }}
+{{- end }}
+{{- if .Values.envVars -}}
+{{ range .Values.envVars }}
+- name: {{ .name }}
+  value: {{ .value | quote }}
+{{- end }}
+{{- end }}
+{{- end }}