Add cluster.sh

cloud.rb

@@ -6,13 +6,14 @@ require 'yaml'
 require 'securerandom'
 require 'fileutils'
 require 'parseconfig'
+require 'open3'
 
 SCRIPT_DIR = File.expand_path(File.dirname(__FILE__))
 
 module OpenShift
   module Ops
     # WARNING: we do not currently support environments with hyphens in the name
-    SUPPORTED_ENVS = ['prod','stg','int','tint','kint','test']
+    SUPPORTED_ENVS = %w(prod stg int tint kint test jint)
 
     class GceHelper
       def self.list_hosts()
@@ -105,10 +106,7 @@ module OpenShift
         @inventory = 'inventory/hosts' if @inventory.nil?
 
         # This is used instead of passing in the json on the cli to avoid quoting problems
-        tmpfile = Tempfile.new('extra_vars')
-        tmpfile.write(@extra_vars.to_json)
-        tmpfile.sync()
-        tmpfile.close()
+        tmpfile    = Tempfile.open('extra_vars') { |f| f.write(@extra_vars.to_json); f}
 
         cmds = []
 
@@ -121,18 +119,21 @@ module OpenShift
 
         # We need pipelining off so that we can do sudo to enable the root account
         cmds << %Q[export ANSIBLE_SSH_PIPELINING='#{@pipelining.to_s}']
-
-        ssh_key_arg = %q[--private-key=~/.ssh/mmcgrath_libra] if File.file?(ENV['HOME']+'/.ssh/mmcgrath_libra.pem')
-
-        cmds << %Q[time -p ansible-playbook -i #{@inventory} #{@verbosity} #{playbook} #{ssh_key_arg} --extra-vars '@#{tmpfile.path}']
+        cmds << %Q[time -p ansible-playbook -i #{@inventory} #{@verbosity} #{playbook} --extra-vars '@#{tmpfile.path}']
 
         cmd = cmds.join(' ; ')
 
-        unless system(cmd)
-          puts %Q[Following command failed with exit code: #{$?.exitstatus}\n#{cmd}]
-          puts %Q[extra_vars: #{@extra_vars.to_json}]
+        stdout, stderr, status = Open3.capture3(cmd)
+        if 0 != status.exitstatus
+          raise %Q[Following command failed with exit code: #{status.exitstatus}
+#{cmd}
+extra_vars: #{@extra_vars.to_json}
+stdout: #{stdout}
+stderr: #{stderr}
+]
         end
-        tmpfile.unlink
+      ensure
+        tmpfile.unlink if tmpfile
       end
 
       def merge_extra_vars_file(file)
@@ -165,9 +166,17 @@ module OpenShift
         ah.inventory = 'inventory/gce/gce.py'
         return ah
       end
+
+      def ignore_bug_6407
+        puts
+        puts %q[ .----  Spurious warning "It is unnecessary to use '{{' in loops" (ansible bug 6407)  ----.]
+        puts %q[ V                                                                                        V]
+      end
+
     end
 
     class GceCommand < Thor
+
       option :type, :required => true, :enum => LaunchHelper.get_gce_host_types,
              :desc => 'The host type of the new instances.'
       option :env, :required => true, :aliases => '-e', :enum => OpenShift::Ops::SUPPORTED_ENVS,
@@ -199,14 +208,12 @@ module OpenShift
 
         puts
         puts 'Creating instance(s) in GCE...'
-        puts
-        puts %q[ .----  Spurious warning "It is unnecessary to use '{{' in loops" (ansible bug 6407)  ----.]
-        puts %q[ V                                                                                        V]
-
+        ah.ignore_bug_6407
 
         ah.run_playbook("playbooks/gce/#{options[:type]}/launch.yml")
       end
 
+
       option :name, :required => false, :type => :string,
              :desc => 'The name of the instance to configure.'
       option :env, :required => false, :aliases => '-e', :enum => OpenShift::Ops::SUPPORTED_ENVS,
@@ -238,13 +245,49 @@ module OpenShift
 
         puts
         puts "Configuring #{options[:type]} instance(s) in GCE..."
-        puts
-        puts " .----               Disregard this (ansible bug 6407)                ----."
-        puts " V                                                                        V"
+        ah.ignore_bug_6407
 
         ah.run_playbook("playbooks/gce/#{host_type}/config.yml")
       end
 
+      option :name, :required => false, :type => :string,
+             :desc => 'The name of the instance to terminate.'
+      option :env, :required => false, :aliases => '-e', :enum => OpenShift::Ops::SUPPORTED_ENVS,
+             :desc => 'The environment of the new instances.'
+      option :type, :required => false, :enum => LaunchHelper.get_gce_host_types,
+             :desc => 'The type of the instances to configure.'
+      option :confirm, :required => false, :type => :boolean,
+             :desc => 'Terminate without interactive confirmation'
+      desc "terminate", 'Terminate instances'
+      def terminate()
+        ah = AnsibleHelper.for_gce()
+
+        abort 'Error: you can\'t specify both --name and --type' unless options[:type].nil? || options[:name].nil?
+
+        abort 'Error: you can\'t specify both --name and --env' unless options[:env].nil? || options[:name].nil?
+
+        host_type = nil
+        if options[:name]
+          details = GceHelper.get_host_details(options[:name])
+          ah.extra_vars['oo_host_group_exp'] = options[:name]
+          ah.extra_vars['oo_env'] = details['env']
+          host_type = details['host-type']
+        elsif options[:type] && options[:env]
+          oo_env_host_type_tag = GceHelper.generate_env_host_type_tag_name(options[:env], options[:type])
+          ah.extra_vars['oo_host_group_exp'] = "groups['#{oo_env_host_type_tag}']"
+          ah.extra_vars['oo_env'] = options[:env]
+          host_type = options[:type]
+        else
+          abort 'Error: you need to specify either --name or (--type and --env)'
+        end
+
+        puts
+        puts "Terminating #{options[:type]} instance(s) in GCE..."
+        ah.ignore_bug_6407
+
+        ah.run_playbook("playbooks/gce/#{host_type}/terminate.yml")
+      end
+
       desc "list", "Lists instances."
       def list()
         hosts = GceHelper.list_hosts()

cluster.sh

@@ -0,0 +1,86 @@
+#!/bin/bash -eu
+
+MINIONS=3
+MASTERS=1
+PROVIDER=gce
+
+# @formatter:off
+function usage {
+    cat 1>&2 <<-EOT
+        ${0} : [create|destroy|update|list] {GCE environment tag}
+        Supported environment tags:
+        $(grep 'SUPPORTED_ENVS.*=' ./cloud.rb)
+EOT
+}
+# @formatter:on
+
+function create_cluser {
+    for (( i = 0; i < $MINIONS; i ++ )); do
+        ./cloud.rb "${PROVIDER}" launch -e "${ENV}" --type=os3-minion
+    done
+
+    for (( i = 0; i < $MASTERS; i ++ )); do
+        ./cloud.rb "${PROVIDER}" launch -e "${ENV}" --type=os3-master
+    done
+    update_cluster
+    echo -n "\nCreated ${MASTERS} masters and ${MINIONS} minions using ${PROVIDER} provider\n"
+}
+
+function update_cluster {
+    for (( i = 0; i < $MINIONS; i ++ )); do
+        ./cloud.rb "${PROVIDER}" config -e "${ENV}" --type=os3-minion
+    done
+
+    for (( i = 0; i < $MASTERS; i ++ )); do
+        ./cloud.rb "${PROVIDER}" config -e "${ENV}" --type=os3-master
+    done
+}
+
+function terminate_cluster {
+    for (( i = 0; i < $MINIONS; i ++ )); do
+        ./cloud.rb "${PROVIDER}" terminate -e "${ENV}" --type=os3-minion
+    done
+
+    for (( i = 0; i < $MASTERS; i ++ )); do
+        ./cloud.rb "${PROVIDER}" terminate -e "${ENV}" --type=os3-master
+    done
+}
+
+[ -f ./cloud.rb ] || (echo 1 > 2 'Cannot find ./cloud.rb' && exit 1)
+
+while getopts ':p:m:n:' flag; do
+    case "${flag}" in
+        p) PROVIDER="${OPTARG}" ;;
+        m) MASTERS="${OPTARG}" ;;
+        n) MINIONS="${OPTARG}" ;;
+        *)  echo -n 2>&1 "unsupported option $OPTARG\n"
+            usage
+            exit 1 ;;
+    esac
+done
+shift $((OPTIND-1))
+
+[ -z "${1:-}" ] && (usage; exit 1)
+
+case "${1}" in
+    'create')
+        [ -z "${2:-''}" ] && (usage; exit 1)
+        ENV="${2}"
+        create_cluser ;;
+    'update')
+        [ -z "${2:-''}" ] && (usage; exit 1)
+        ENV="${2}"
+        update_cluster ;;
+    'terminate')
+        [ -z "${2:-''}" ] && (usage; exit 1)
+        ENV="${2}"
+        terminate_cluster ;;
+    'list')   ./cloud.rb "${PROVIDER}" list ;;
+    'help')   usage; exit 0 ;;
+    *)
+        echo -n 1>&2 "${1} is not a supported operation";
+        usage;
+        exit 1 ;;
+esac
+
+exit 0

playbooks/gce/os3-master/terminate.yml

@@ -0,0 +1,18 @@
+- name: "populate oo_hosts_to_terminate host group if needed"
+  hosts: localhost
+  gather_facts: no
+  tasks:
+  - name: Evaluate oo_host_group_exp if it's set
+    add_host: "name={{ item }} groups=oo_hosts_to_terminate"
+    with_items: "{{ oo_host_group_exp | default('') }}"
+    when: oo_host_group_exp is defined
+
+- name: "Terminate instances"
+  hosts: localhost
+  connection: local
+  tasks:
+    - name: Terminate master instances
+      local_action:
+        module: gce
+        state: 'absent'
+        instance_names: "{{ oo_hosts_to_terminate }}"

playbooks/gce/os3-minion/terminate.yml

@@ -0,0 +1,18 @@
+- name: "populate oo_hosts_to_terminate host group if needed"
+  hosts: localhost
+  gather_facts: no
+  tasks:
+  - name: Evaluate oo_host_group_exp if it's set
+    add_host: "name={{ item }} groups=oo_hosts_to_terminate"
+    with_items: "{{ oo_host_group_exp | default('') }}"
+    when: oo_host_group_exp is defined
+
+- name: "Terminate instances"
+  hosts: localhost
+  connection: local
+  tasks:
+    - name: Terminate master instances
+      local_action:
+        module: gce
+        state: 'absent'
+        instance_names: "{{ oo_hosts_to_terminate }}"