Merge pull request #79 from Smana/gitinfo

script which gives info about the deployment state

roles/kubernetes/preinstall/defaults/main.yml

 ---
+run_gitinfos: false
+
 common_required_pkgs:
   - python-httplib2
   - openssl

roles/kubernetes/preinstall/gen-gitinfos.sh

+#!/bin/sh
+set -e
+
+# Text color variables
+txtbld=$(tput bold)             # Bold
+bldred=${txtbld}$(tput setaf 1) #  red
+bldgre=${txtbld}$(tput setaf 2) #  green
+bldylw=${txtbld}$(tput setaf 3) #  yellow
+txtrst=$(tput sgr0)             # Reset
+err=${bldred}ERROR${txtrst}
+info=${bldgre}INFO${txtrst}
+warn=${bldylw}WARNING${txtrst}
+
+usage()
+{
+    cat << EOF
+Generates a file which contains useful git informations
+
+Usage : $(basename $0) [global|diff]
+    ex :
+      Generate git information
+      $(basename $0) global
+      Generate diff from latest tag
+      $(basename $0) diff
+EOF
+}
+
+if [ $# != 1 ]; then
+    printf "\n$err : Needs 1 argument\n"
+    usage
+    exit 2
+fi;
+
+current_commit=$(git rev-parse HEAD)
+latest_tag=$(git describe --abbrev=0 --tags)
+latest_tag_commit=$(git show-ref -s ${latest_tag})
+tags_list=$(git tag --points-at "${latest_tag}")
+
+case ${1} in
+    "global")
+cat<<EOF
+deployment date="$(date '+%d-%m-%Y %Hh%M')"
+deployment_timestamp=$(date '+%s')
+user="$USER"
+current commit (HEAD)="${current_commit}"
+current_commit_timestamp=$(git log -1 --pretty=format:%ct)
+latest tag(s) (current branch)="${tags_list}"
+latest tag commit="${latest_tag_commit}"
+current branch="$(git rev-parse --abbrev-ref HEAD)"
+branches list="$(git describe --contains --all HEAD)"
+git root directory="$(git rev-parse --show-toplevel)"
+EOF
+        if ! git diff-index --quiet HEAD --; then
+           printf "unstaged changes=\"/etc/.git-ansible.diff\""
+        fi
+
+        if [ ${current_commit} == ${latest_tag_commit} ]; then
+            printf "\ncurrent_commit_tag=\"${latest_tag}\""
+        else
+           printf "\nlast tag was "$(git describe --tags | awk -F- '{print $2}')" commits ago =\""
+           printf "$(git log --pretty=format:"    %h - %s" ${latest_tag}..HEAD)\""
+        fi
+        ;;
+
+    "diff")
+       git diff
+       ;;
+    *)
+        usage
+        printf "$err: Unknown argument ${1}"
+		exit 1;
+	    ;;
+esac

roles/kubernetes/preinstall/tasks/gitinfos.yml

+---
+# Deploy git infos
+# ----------------
+
+- name: 'GIT | generate git informations'
+  local_action: command {{ role_path }}/gen-gitinfos.sh global
+  register: gitinfo
+  always_run: yes
+
+- name: 'GIT | copy ansible information'
+  template:
+    src: ansible_git.j2
+    dest: /etc/.ansible.ini
+    backup: yes
+
+- name: 'GIT | generate diff file'
+  local_action: command {{ role_path }}/gen-gitinfos.sh diff
+  register: gitdiff
+  always_run: yes
+
+- name: 'GIT | copy git diff file'
+  copy:
+    content: "{{ gitdiff.stdout }}"
+    dest: /etc/.git-ansible.diff
+    backup: yes

roles/kubernetes/preinstall/tasks/main.yml

 ---
+- include: gitinfos.yml
+  when: run_gitinfos
+
 - name: gather os specific variables
   include_vars: "{{ item }}"
   with_first_found:

roles/kubernetes/preinstall/templates/ansible_git.j2

+; This file contains the information which identifies the deployment state relative to the git repo
+[default]
+{{ gitinfo.stdout }}