Added more reliable and cleaner way for determining InfluxDB version.

tasks/install-debian.yml

@@ -40,10 +40,3 @@
     deb: /tmp/influxdb-ansible-download.deb
     state: present
   when: influxdb_install_url is defined and influxdb_install_url != None
-
-- name: Capture installed InfluxDB version
-  command: dpkg -l influxdb
-  register: reg_influxdb_version
-
-- debug: var=reg_influxdb_version.stdout_lines
-  
\ No newline at end of file

tasks/install.yml

@@ -14,4 +14,14 @@
   when: ansible_os_family == "RedHat"
 
 - include: install-debian.yml
-  when: ansible_os_family == "Debian"
\ No newline at end of file
+  when: ansible_os_family == "Debian"
+
+- name: Capture InfluxDB version information
+  command: influxd version
+  register: influxdb_runtime_version_raw
+
+- name: Capture InfluxDB version, branch, and commit
+  set_fact:
+    influxdb_runtime_version: "{{ influxdb_runtime_version_raw.stdout.split()[1] }}"
+    influxdb_runtime_branch: "{{ influxdb_runtime_version_raw.stdout.split()[3] }}"
+    influxdb_runtime_commit: "{{ influxdb_runtime_version_raw.stdout.split()[4] }}"