First commit.

README.md

@@ -1,3 +1,3 @@
 # ansible-playbook-sobigdata-rel
 
-Playbook that installs the REL + PEP stack
+Playbook that installs the sobigdata REL entity stack

ansible.cfg

@@ -0,0 +1,506 @@
+# config file for ansible -- https://ansible.com/
+# ===============================================
+
+# nearly all parameters can be overridden in ansible-playbook
+# or with command line flags. ansible will read ANSIBLE_CONFIG,
+# ansible.cfg in the current working directory, .ansible.cfg in
+# the home directory or /etc/ansible/ansible.cfg, whichever it
+# finds first
+
+[defaults]
+
+# some basic default values...
+
+#inventory      = /etc/ansible/hosts
+#library        = /usr/share/my_modules/
+#module_utils   = /usr/share/my_module_utils/
+#remote_tmp     = ~/.ansible/tmp
+#local_tmp      = ~/.ansible/tmp
+#plugin_filters_cfg = /etc/ansible/plugin_filters.yml
+#forks          = 5
+#poll_interval  = 15
+#sudo_user      = root
+#ask_sudo_pass = True
+#ask_pass      = True
+#transport      = smart
+#remote_port    = 22
+#module_lang    = C
+#module_set_locale = False
+
+# plays will gather facts by default, which contain information about
+# the remote system.
+#
+# smart - gather by default, but don't regather if already gathered
+# implicit - gather by default, turn off with gather_facts: False
+# explicit - do not gather by default, must say gather_facts: True
+gathering = smart
+
+# This only affects the gathering done by a play's gather_facts directive,
+# by default gathering retrieves all facts subsets
+# all - gather all subsets
+# network - gather min and network facts
+# hardware - gather hardware facts (longest facts to retrieve)
+# virtual - gather min and virtual facts
+# facter - import facts from facter
+# ohai - import facts from ohai
+# You can combine them using comma (ex: network,virtual)
+# You can negate them using ! (ex: !hardware,!facter,!ohai)
+# A minimal set of facts is always gathered.
+#gather_subset = all
+
+# some hardware related facts are collected
+# with a maximum timeout of 10 seconds. This
+# option lets you increase or decrease that
+# timeout to something more suitable for the
+# environment.
+# gather_timeout = 10
+
+# Ansible facts are available inside the ansible_facts.* dictionary
+# namespace. This setting maintains the behaviour which was the default prior
+# to 2.5, duplicating these variables into the main namespace, each with a
+# prefix of 'ansible_'.
+# This variable is set to True by default for backwards compatibility. It
+# will be changed to a default of 'False' in a future release.
+# ansible_facts.
+# inject_facts_as_vars = True
+
+# additional paths to search for roles in, colon separated
+#roles_path    = /etc/ansible/roles
+
+# uncomment this to disable SSH key host checking
+host_key_checking = False
+
+# change the default callback, you can only have one 'stdout' type  enabled at a time.
+#stdout_callback = skippy
+
+
+## Ansible ships with some plugins that require whitelisting,
+## this is done to avoid running all of a type by default.
+## These setting lists those that you want enabled for your system.
+## Custom plugins should not need this unless plugin author specifies it.
+
+# enable callback plugins, they can output to stdout but cannot be 'stdout' type.
+callback_whitelist = timer,profile_roles,profile_tasks,mail
+
+# Determine whether includes in tasks and handlers are "static" by
+# default. As of 2.0, includes are dynamic by default. Setting these
+# values to True will make includes behave more like they did in the
+# 1.x versions.
+#task_includes_static = False
+#handler_includes_static = False
+
+# Controls if a missing handler for a notification event is an error or a warning
+#error_on_missing_handler = True
+
+# change this for alternative sudo implementations
+#sudo_exe = sudo
+
+# What flags to pass to sudo
+# WARNING: leaving out the defaults might create unexpected behaviours
+#sudo_flags = -H -S -n
+
+# SSH timeout
+#timeout = 10
+
+# default user to use for playbooks if user is not specified
+# (/usr/bin/ansible will use current user as default)
+#remote_user = root
+remote_user = ansible
+
+# logging is off by default unless this path is defined
+# if so defined, consider logrotate
+#log_path = /var/log/ansible.log
+
+# default module name for /usr/bin/ansible
+#module_name = command
+
+# use this shell for commands executed under sudo
+# you may need to change this to bin/bash in rare instances
+# if sudo is constrained
+#executable = /bin/sh
+
+# if inventory variables overlap, does the higher precedence one win
+# or are hash values merged together?  The default is 'replace' but
+# this can also be set to 'merge'.
+#hash_behaviour = replace
+
+# by default, variables from roles will be visible in the global variable
+# scope. To prevent this, the following option can be enabled, and only
+# tasks and handlers within the role will see the variables there
+#private_role_vars = yes
+
+# list any Jinja2 extensions to enable here:
+#jinja2_extensions = jinja2.ext.do,jinja2.ext.i18n
+
+# if set, always use this private key file for authentication, same as
+# if passing --private-key to ansible or ansible-playbook
+#private_key_file = /path/to/file
+
+# If set, configures the path to the Vault password file as an alternative to
+# specifying --vault-password-file on the command line.
+#vault_password_file = /path/to/vault_password_file
+
+# format of string {{ ansible_managed }} available within Jinja2
+# templates indicates to users editing templates files will be replaced.
+# replacing {file}, {host} and {uid} and strftime codes with proper values.
+ansible_managed = Ansible managed: {file} on {host}
+# {file}, {host}, {uid}, and the timestamp can all interfere with idempotence
+# in some situations so the default is a static string:
+#ansible_managed = Ansible managed
+
+# by default, ansible-playbook will display "Skipping [host]" if it determines a task
+# should not be run on a host.  Set this to "False" if you don't want to see these "Skipping"
+# messages. NOTE: the task header will still be shown regardless of whether or not the
+# task is skipped.
+#display_skipped_hosts = True
+
+# by default, if a task in a playbook does not include a name: field then
+# ansible-playbook will construct a header that includes the task's action but
+# not the task's args.  This is a security feature because ansible cannot know
+# if the *module* considers an argument to be no_log at the time that the
+# header is printed.  If your environment doesn't have a problem securing
+# stdout from ansible-playbook (or you have manually specified no_log in your
+# playbook on all of the tasks where you have secret information) then you can
+# safely set this to True to get more informative messages.
+#display_args_to_stdout = False
+
+# by default (as of 1.3), Ansible will raise errors when attempting to dereference
+# Jinja2 variables that are not set in templates or action lines. Uncomment this line
+# to revert the behavior to pre-1.3.
+#error_on_undefined_vars = False
+
+# by default (as of 1.6), Ansible may display warnings based on the configuration of the
+# system running ansible itself. This may include warnings about 3rd party packages or
+# other conditions that should be resolved if possible.
+# to disable these warnings, set the following value to False:
+#system_warnings = True
+
+# by default (as of 1.4), Ansible may display deprecation warnings for language
+# features that should no longer be used and will be removed in future versions.
+# to disable these warnings, set the following value to False:
+#deprecation_warnings = True
+
+# (as of 1.8), Ansible can optionally warn when usage of the shell and
+# command module appear to be simplified by using a default Ansible module
+# instead.  These warnings can be silenced by adjusting the following
+# setting or adding warn=yes or warn=no to the end of the command line
+# parameter string.  This will for example suggest using the git module
+# instead of shelling out to the git command.
+command_warnings = True
+ssh_args = -o ControlMaster=auto -o ControlPersist=600s
+control_path = %(directory)s/ansible-ssh-%%h-%%p-%%r
+
+
+# set plugin path directories here, separate with colons
+action_plugins = /usr/share/ansible/plugins/action
+#cache_plugins      = /usr/share/ansible/plugins/cache
+callback_plugins = /usr/share/ansible/plugins/callback
+connection_plugins = /usr/share/ansible/plugins/connection
+lookup_plugins = /usr/share/ansible/plugins/lookup
+#inventory_plugins  = /usr/share/ansible/plugins/inventory
+vars_plugins = /usr/share/ansible/plugins/vars
+filter_plugins = /usr/share/ansible/plugins/filter
+test_plugins = /usr/share/ansible/plugins/test
+#terminal_plugins   = /usr/share/ansible/plugins/terminal
+#strategy_plugins   = /usr/share/ansible/plugins/strategy
+
+
+# by default, ansible will use the 'linear' strategy but you may want to try
+# another one
+#strategy = free
+
+# by default callbacks are not loaded for /bin/ansible, enable this if you
+# want, for example, a notification or logging callback to also apply to
+# /bin/ansible runs
+bin_ansible_callbacks = True
+
+
+# don't like cows?  that's unfortunate.
+# set to 1 if you don't want cowsay support or export ANSIBLE_NOCOWS=1
+#nocows = 1
+
+# set which cowsay stencil you'd like to use by default. When set to 'random',
+# a random stencil will be selected for each task. The selection will be filtered
+# against the `cow_whitelist` option below.
+#cow_selection = default
+#cow_selection = random
+
+# when using the 'random' option for cowsay, stencils will be restricted to this list.
+# it should be formatted as a comma-separated list with no spaces between names.
+# NOTE: line continuations here are for formatting purposes only, as the INI parser
+#       in python does not support them.
+#cow_whitelist=bud-frogs,bunny,cheese,daemon,default,dragon,elephant-in-snake,elephant,eyes,\
+#              hellokitty,kitty,luke-koala,meow,milk,moofasa,moose,ren,sheep,small,stegosaurus,\
+#              stimpy,supermilker,three-eyes,turkey,turtle,tux,udder,vader-koala,vader,www
+
+# don't like colors either?
+# set to 1 if you don't want colors, or export ANSIBLE_NOCOLOR=1
+#nocolor = 1
+
+# if set to a persistent type (not 'memory', for example 'redis') fact values
+# from previous runs in Ansible will be stored.  This may be useful when
+# wanting to use, for example, IP information from one group of servers
+# without having to talk to them in the same playbook run to get their
+# current IP information.
+fact_caching = memory
+
+#This option tells Ansible where to cache facts. The value is plugin dependent.
+#For the jsonfile plugin, it should be a path to a local directory.
+#For the redis plugin, the value is a host:port:database triplet: fact_caching_connection = localhost:6379:0
+
+fact_caching_connection=$HOME/.ansible/facts
+
+
+
+# retry files
+# When a playbook fails by default a .retry file will be created in ~/
+# You can disable this feature by setting retry_files_enabled to False
+# and you can change the location of the files by setting retry_files_save_path
+
+retry_files_enabled = False
+retry_files_save_path = ~/.ansible_retry
+
+# squash actions
+# Ansible can optimise actions that call modules with list parameters
+# when looping. Instead of calling the module once per with_ item, the
+# module is called once with all items at once. Currently this only works
+# under limited circumstances, and only with parameters named 'name'.
+#squash_actions = apk,apt,dnf,homebrew,pacman,pkgng,yum,zypper
+
+# prevents logging of task data, off by default
+#no_log = False
+
+# prevents logging of tasks, but only on the targets, data is still logged on the master/controller
+no_target_syslog = False
+
+# controls whether Ansible will raise an error or warning if a task has no
+# choice but to create world readable temporary files to execute a module on
+# the remote machine.  This option is False by default for security.  Users may
+# turn this on to have behaviour more like Ansible prior to 2.1.x.  See
+# https://docs.ansible.com/ansible/become.html#becoming-an-unprivileged-user
+# for more secure ways to fix this than enabling this option.
+#allow_world_readable_tmpfiles = False
+
+# controls the compression level of variables sent to
+# worker processes. At the default of 0, no compression
+# is used. This value must be an integer from 0 to 9.
+#var_compression_level = 9
+
+# controls what compression method is used for new-style ansible modules when
+# they are sent to the remote system.  The compression types depend on having
+# support compiled into both the controller's python and the client's python.
+# The names should match with the python Zipfile compression types:
+# * ZIP_STORED (no compression. available everywhere)
+# * ZIP_DEFLATED (uses zlib, the default)
+# These values may be set per host via the ansible_module_compression inventory
+# variable
+#module_compression = 'ZIP_DEFLATED'
+
+# This controls the cutoff point (in bytes) on --diff for files
+# set to 0 for unlimited (RAM may suffer!).
+#max_diff_size = 1048576
+
+# This controls how ansible handles multiple --tags and --skip-tags arguments
+# on the CLI.  If this is True then multiple arguments are merged together.  If
+# it is False, then the last specified argument is used and the others are ignored.
+# This option will be removed in 2.8.
+#merge_multiple_cli_flags = True
+
+# Controls showing custom stats at the end, off by default
+show_custom_stats = True
+
+# Controls which files to ignore when using a directory as inventory with
+# possibly multiple sources (both static and dynamic)
+inventory_ignore_extensions = ~, .orig, .bak, .ini, .cfg, .retry, .pyc, .pyo
+
+# This family of modules use an alternative execution path optimized for network appliances
+# only update this setting if you know how this works, otherwise it can break module execution
+#network_group_modules=eos, nxos, ios, iosxr, junos, vyos
+
+# When enabled, this option allows lookups (via variables like {{lookup('foo')}} or when used as
+# a loop with `with_foo`) to return data that is not marked "unsafe". This means the data may contain
+# jinja2 templating language which will be run through the templating engine.
+# ENABLING THIS COULD BE A SECURITY RISK
+#allow_unsafe_lookups = False
+
+# set default errors for all plays
+#any_errors_fatal = False
+
+[inventory]
+# enable inventory plugins, default: 'host_list', 'script', 'yaml', 'ini', 'auto'
+#enable_plugins = host_list, virtualbox, yaml, constructed
+
+# ignore these extensions when parsing a directory as inventory source
+#ignore_extensions = .pyc, .pyo, .swp, .bak, ~, .rpm, .md, .txt, ~, .orig, .ini, .cfg, .retry
+
+# ignore files matching these patterns when parsing a directory as inventory source
+#ignore_patterns=
+
+# If 'true' unparsed inventory sources become fatal errors, they are warnings otherwise.
+#unparsed_is_failed=False
+
+[privilege_escalation]
+become=True
+become_method=sudo
+become_user=root
+become_ask_pass=False
+
+[paramiko_connection]
+
+# uncomment this line to cause the paramiko connection plugin to not record new host
+# keys encountered.  Increases performance on new host additions.  Setting works independently of the
+# host key checking setting above.
+record_host_keys=False
+
+# by default, Ansible requests a pseudo-terminal for commands executed under sudo. Uncomment this
+# line to disable this behaviour.
+#pty=False
+
+# paramiko will default to looking for SSH keys initially when trying to
+# authenticate to remote devices.  This is a problem for some network devices
+# that close the connection after a key failure.  Uncomment this line to
+# disable the Paramiko look for keys function
+#look_for_keys = False
+
+# When using persistent connections with Paramiko, the connection runs in a
+# background process.  If the host doesn't already have a valid SSH key, by
+# default Ansible will prompt to add the host key.  This will cause connections
+# running in background processes to fail.  Uncomment this line to have
+# Paramiko automatically add host keys.
+#host_key_auto_add = True
+
+[ssh_connection]
+
+# ssh arguments to use
+# Leaving off ControlPersist will result in poor performance, so use
+# paramiko on older platforms rather than removing it, -C controls compression use
+ssh_args = -C -o ControlMaster=auto -o ControlPersist=120s
+
+# The base directory for the ControlPath sockets.
+# This is the "%(directory)s" in the control_path option
+#
+# Example:
+# control_path_dir = /tmp/.ansible/cp
+#control_path_dir = ~/.ansible/cp
+
+# The path to use for the ControlPath sockets. This defaults to a hashed string of the hostname,
+# port and username (empty string in the config). The hash mitigates a common problem users
+# found with long hostames and the conventional %(directory)s/ansible-ssh-%%h-%%p-%%r format.
+# In those cases, a "too long for Unix domain socket" ssh error would occur.
+#
+# Example:
+#control_path = %(directory)s/ansible-ssh-%%h-%%p-%%r
+#control_path = %(directory)s/ansible-ssh-%%h-%%p-%%r
+#control_path =
+
+# Enabling pipelining reduces the number of SSH operations required to
+# execute a module on the remote server. This can result in a significant
+# performance improvement when enabled, however when using "sudo:" you must
+# first disable 'requiretty' in /etc/sudoers
+#
+# By default, this option is disabled to preserve compatibility with
+# sudoers configurations that have requiretty (the default on many distros).
+#
+pipelining = True
+
+# Control the mechanism for transferring files (old)
+#   * smart = try sftp and then try scp [default]
+#   * True = use scp only
+#   * False = use sftp only
+#scp_if_ssh = smart
+
+# Control the mechanism for transferring files (new)
+# If set, this will override the scp_if_ssh option
+#   * sftp  = use sftp to transfer files
+#   * scp   = use scp to transfer files
+#   * piped = use 'dd' over SSH to transfer files
+#   * smart = try sftp, scp, and piped, in that order [default]
+transfer_method = smart
+
+# if False, sftp will not use batch mode to transfer files. This may cause some
+# types of file transfer failures impossible to catch however, and should
+# only be disabled if your sftp version has problems with batch mode
+#sftp_batch_mode = False
+
+# The -tt argument is passed to ssh when pipelining is not enabled because sudo 
+# requires a tty by default. 
+#use_tty = True
+
+# Number of times to retry an SSH connection to a host, in case of UNREACHABLE.
+# For each retry attempt, there is an exponential backoff,
+# so after the first attempt there is 1s wait, then 2s, 4s etc. up to 30s (max).
+retries = 3
+
+[persistent_connection]
+
+# Configures the persistent connection timeout value in seconds.  This value is
+# how long the persistent connection will remain idle before it is destroyed.
+# If the connection doesn't receive a request before the timeout value
+# expires, the connection is shutdown. The default value is 30 seconds.
+connect_timeout = 120
+
+# Configures the persistent connection retry timeout.  This value configures the
+# the retry timeout that ansible-connection will wait to connect
+# to the local domain socket. This value must be larger than the
+# ssh timeout (timeout) and less than persistent connection idle timeout (connect_timeout).
+# The default value is 15 seconds.
+#connect_retry_timeout = 15
+
+# The command timeout value defines the amount of time to wait for a command
+# or RPC call before timing out. The value for the command timeout must
+# be less than the value of the persistent connection idle timeout (connect_timeout)
+# The default value is 10 second.
+#command_timeout = 10
+
+[accelerate]
+#accelerate_port = 5099
+#accelerate_timeout = 30
+#accelerate_connect_timeout = 5.0
+
+# The daemon timeout is measured in minutes. This time is measured
+# from the last activity to the accelerate daemon.
+#accelerate_daemon_timeout = 30
+
+# If set to yes, accelerate_multi_key will allow multiple
+# private keys to be uploaded to it, though each user must
+# have access to the system via SSH to add a new key. The default
+# is "no".
+#accelerate_multi_key = yes
+
+[selinux]
+# file systems that require special treatment when dealing with security context
+# the default behaviour that copies the existing context or uses the user default
+# needs to be changed to use the file system dependent context.
+#special_context_filesystems=nfs,vboxsf,fuse,ramfs,9p
+
+# Set this to yes to allow libvirt_lxc connections to work without SELinux.
+#libvirt_lxc_noseclabel = yes
+
+[colors]
+#highlight = white
+#verbose = blue
+#warn = bright purple
+#error = red
+#debug = dark gray
+#deprecate = purple
+#skip = cyan
+#unreachable = red
+#ok = green
+#changed = yellow
+#diff_add = green
+#diff_remove = red
+#diff_lines = cyan
+
+
+[diff]
+# Always print diff when running ( same as always running with -D/--diff )
+# always = no
+
+# Set how many context lines to show in diff
+# context = 3
+
+[ara]
+api_client = http
+api_timeout = 30
+api_server = http://127.0.0.1:8000
+

group_vars/all/all.yml

@@ -0,0 +1,4 @@
+---
+sobigdata_rel_authorized_scopes: '/d4science.research-infrastructures.eu/SoBigData/TagMe'
+sobigdata_rel_service_host: 'rel-entity-linker.d4science.org'
+sobigdata_rel_pep: True

inventory/hosts

@@ -0,0 +1,2 @@
+[sobigdata_rel]
+docker-swarm1.int.d4science.net docker_swarm_manager_main_node=True

roles/sobigdata-rel/defaults/main.yml

@@ -0,0 +1,19 @@
+---
+sobigdata_rel_compose_dir: '/srv/sobigdata_rel_stack'
+sobigdata_rel_docker_stack_name: 'rel-entity-linker'
+sobigdata_rel_docker_service_server_name: 'sobigdata-rel'
+sobigdata_rel_docker_server_image: 'informagi/rel'
+sobigdata_rel_docker_network: 'rel-entity-linker'
+sobigdata_rel_service_port: 5555
+# ner, ner-large
+sobigdata_rel_docker_command: 'python -m REL.server --bind 0.0.0.0 --ed-model wiki/generated/model --ner-model ner --port {{ sobigdata_rel_service_port }} /workspace wiki'
+sobigdata_rel_haproxy_public_net: 'haproxy-public'
+
+sobigdata_rel_authorized_scopes: '/gcube'
+sobigdata_rel_service_host: 'localhost'
+sobigdata_rel_pep: True
+pep_port: 80
+pep_replicas: 1
+nginx_pep_debug_enabled: False
+nginx_pep_max_body_size: 500M
+nginx_pep_body_timeout: 60s

roles/sobigdata-rel/meta/main.yml

@@ -0,0 +1,26 @@
+galaxy_info:
+  author: Andrea Dell'Amico
+  description: Systems Architect
+  company: ISTI-CNR
+
+  issue_tracker_url: https://support.d4science.org/projects/d4science-operation
+
+  license: EUPL 1.2+
+
+  min_ansible_version: 2.8
+
+  # To view available platforms and versions (or releases), visit:
+  # https://galaxy.ansible.com/api/v1/platforms/
+  #
+  platforms:
+    - name: Ubuntu
+      versions:
+        - bionic
+    - name: EL
+      versions:
+        - 7
+
+  galaxy_tags:
+    - rel
+
+dependencies: []

roles/sobigdata-rel/tasks/main.yml

@@ -0,0 +1,4 @@
+---
+- include_tasks: sobigdata-rel.yml
+- include_tasks: pep.yml
+  when: sobigdata_rel_pep

roles/sobigdata-rel/tasks/pep.yml

@@ -0,0 +1,39 @@
+---
+- name: Manage the PEP configuration
+  block:
+  - name: Generate PEP config
+    ansible.builtin.template:
+      src: templates/nginx.conf.j2
+      dest: "{{ sobigdata_rel_compose_dir }}/nginx.conf"
+
+  - name: Generate PEP default config
+    ansible.builtin.template:
+      src: templates/nginx.default.conf.j2
+      dest: "{{ sobigdata_rel_compose_dir }}/nginx.default.conf"
+
+  - name: Generate pep.js
+    ansible.builtin.template:
+      src: templates/pep.js.j2
+      dest: "{{ sobigdata_rel_compose_dir }}/pep.js"
+
+  - name: Generate pep-docker-swarm
+    ansible.builtin.template:
+      src: templates/pep-swarm.yml.j2
+      dest: "{{ sobigdata_rel_compose_dir }}/rel-pep-stack.yml"
+
+  run_once: True
+  when: docker_swarm_manager_main_node is defined and docker_swarm_manager_main_node | bool
+  tags: [ 'sobigdata_rel', 'sobigdata_rel_pep' ]
+
+- name: Run the PEP stack
+  block:
+    - name: Start the Sobigdata REL project PEP stack
+      ansible.builtin.docker_stack:
+        name: '{{ sobigdata_rel_docker_stack_name }}' 
+        state: present
+        compose:
+          - '{{ sobigdata_rel_compose_dir }}/rel-pep-stack.yml'
+
+  run_once: True
+  when: docker_swarm_manager_main_node is defined and docker_swarm_manager_main_node | bool
+  tags: [ 'sobigdata_rel', 'sobigdata_rel_pep' ]

roles/sobigdata-rel/tasks/sobigdata-rel.yml

@@ -0,0 +1,29 @@
+---
+- name: Manage the installation of the Sobigdata REL project Docker stack
+  block:
+    - name: Create the directory where the compose file will be installed
+      ansible.builtin.file:
+        dest: '{{ sobigdata_rel_compose_dir }}'
+        state: directory
+        mode: 0750
+        owner: root
+        group: root
+
+    - name: Install the docker compose file
+      ansible.builtin.template:
+        src: sobigdata-rel-docker-compose.yml.j2
+        dest: '{{ sobigdata_rel_compose_dir }}/sobigdata-rel-docker-compose.yml'
+        owner: root
+        group: root
+        mode: 0400
+
+    - name: Start the REL project stack
+      docker_stack:
+        name: '{{ sobigdata_rel_docker_stack_name }}'
+        state: present
+        compose:
+          - '{{ inception_project_compose_dir }}/sobigdata-rel-docker-compose.yml'
+
+  run_once: True
+  when: docker_swarm_manager_main_node is defined and docker_swarm_manager_main_node | bool
+  tags: [ 'sobigdata_rel', 'sobigdata_rel_linker' ]

roles/sobigdata-rel/templates/nginx.conf.j2

@@ -0,0 +1,45 @@
+# Added to load njs module
+load_module modules/ngx_http_js_module.so;
+
+user  nginx;
+worker_processes  auto;
+
+error_log  /var/log/nginx/error.log notice;
+pid        /var/run/nginx.pid;
+
+
+events {
+    worker_connections  1024;
+}
+
+
+http {
+
+    # added to import pep script
+    js_import pep.js;
+    
+    # added to bind enforce function 
+    js_set $authorization pep.enforce;
+
+    # added to create cache for tokens and auth calls
+    proxy_cache_path /var/cache/nginx/pep keys_zone=token_responses:1m max_size=2m;
+
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                      '$status $body_bytes_sent "$http_referer" '
+                      '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log  /var/log/nginx/access.log  main;
+
+    sendfile        on;
+    #tcp_nopush     on;
+
+    keepalive_timeout  65;
+
+    #gzip  on;
+
+    include /etc/nginx/conf.d/*.conf;
+}
+

roles/sobigdata-rel/templates/nginx.default.conf.j2

@@ -0,0 +1,69 @@
+upstream service {
+  ip_hash;
+  server {{ sobigdata_rel_docker_stack_name }}_{{ sobigdata_rel_docker_service_server_name }}:{{ sobigdata_rel_service_port }};
+}
+
+# added to import pep script
+js_import pep.js;
+
+# added to bind enforce function 
+js_set $authorization pep.enforce;
+
+# variables computed by njs and which may possibly be passed among locations
+js_var $auth_token;
+js_var $account_record;
+
+proxy_cache_path /tmp levels=1:2 keys_zone=social_cache:10m max_size=10g inactive=60m use_temp_path=off;
+
+server {
+
+  listen *:80;
+  listen [::]:80;
+
+  server_name {{ sobigdata_rel_service_host }};
+
+  subrequest_output_buffer_size 200k;
+
+  location /health {
+    add_header Content-Length 0;
+    add_header Content-Type "text/plain";
+	return 200;
+  }
+
+  location / {
+  	proxy_read_timeout 300;
+    proxy_send_timeout 300;
+    js_content pep.enforce;
+  }
+
+  location /gcube_user_info {
+     internal;
+     gunzip on;
+     proxy_method      GET;
+     proxy_http_version 1.1;
+     proxy_set_header  gcube-token "$auth_token";
+     proxy_pass        https://api.d4science.org/rest/2/people/profile;
+  
+     proxy_cache social_cache;
+     proxy_cache_key $auth_token;
+  }
+ 
+  location /_backend {
+     internal;
+     proxy_read_timeout 300;
+     proxy_send_timeout 300;
+     resolver 146.48.122.10;
+     proxy_http_version 1.1;
+     proxy_set_header gcube-token "$auth_token";
+     proxy_pass http://service$request_uri;
+  }
+
+  location /_accounting {
+    internal;
+    proxy_method      POST;
+    proxy_http_version 1.1;
+    proxy_set_header  gcube-token "$auth_token";
+    proxy_set_header  Content-Type "application/json";
+    proxy_pass        https://accounting-service.d4science.org/accounting-service/record;
+  }
+}

roles/sobigdata-rel/templates/pep-swarm.yml.j2

@@ -0,0 +1,37 @@
+version: '3.6'
+
+services:
+  pep:
+    image: nginx:stable-alpine
+    networks:
+      - {{ sobigdata_rel_docker_network }}
+      - haproxy-public
+    deploy:
+      replicas: 1
+      placement:
+        constraints: [node.role == worker]
+      endpoint_mode: dnsrr
+      restart_policy:
+        condition: on-failure
+        delay: 10s
+        window: 120s
+    configs:
+      - source: nginxconf
+        target: /etc/nginx/templates/default.conf.template
+      - source: nginxbaseconf
+        target: /etc/nginx/nginx.conf
+      - source: pep
+        target: /etc/nginx/pep.js
+
+networks:
+  {{ sobigdata_rel_docker_network }}:
+  haproxy-public:
+    external: true
+
+configs:
+  nginxconf:
+    file: ./nginx.default.conf
+  nginxbaseconf:
+    file: ./nginx.conf
+  pep:
+    file: ./pep.js

roles/sobigdata-rel/templates/pep.js.j2

@@ -0,0 +1,109 @@
+export default { enforce };
+
+function log(c, s){
+  c.request.error(s)
+}
+
+function debug(c, s){
+  return true ? c.request.error(s) : null
+}
+
+function enforce(r) {
+
+  var context = {
+    request: r
+  }
+  
+  var allowedcontexts = ["{{ sobigdata_rel_authorized_scopes }}"]
+  
+  log(context, "Inside NJS enforce for " + r.method + " @ " + r.headersIn.host + "/" + r.uri)
+
+  const token = getGCubeToken(context)
+  if(token != null){
+    debug(context, "[PEP] token is " + token)
+    exportVariable(context, "auth_token", token)
+    context.request.subrequest("/gcube_user_info")
+    .then(reply=>{
+      if (reply.status === 200) {
+        debug(context, "[Social Service] got response " + reply.responseBody)
+        var response = JSON.parse(reply.responseBody);
+        if(allowedcontexts.indexOf(response.result.context) === -1){
+          debug(context, "[PEP] Unathorized context " + response.result.context)
+          throw new Error("Unauthorized")
+        }
+        return response
+      } else {
+        debug(context, "[Social Service] failed " + reply.status + ":" + reply.responseBody)
+        throw new Error("Unauthorized")
+      }
+    }).then(userinfo => {
+      debug(context, "[Social Service] username is " + userinfo.result.username)
+      context.userinfo = userinfo
+      context.record = buildAccountingRecord(context)
+      return context.request.subrequest("/_backend", { method : context.request.method, args : context.request.args, headers : context.request.headersIn})
+    }).then(reply=>{ 
+      debug(context, "[REL] response status: " + reply.status)
+      closeAccountingRecord(context.record, (reply.status === 200 || reply.status === 201 || reply.status === 204))
+      context.request.subrequest("/_accounting", { detached : true, body : JSON.stringify(context.record) })
+      r.return(reply.status, reply.responseBody)
+    }).catch(e => { log(context, "Error .... " + njs.dump(e)); context.request.return(e.message === "Unauthorized" ? 403 : 500)} )
+  
+    return
+  } 
+
+  r.return(401, "Authorization required")
+}
+
+function getGCubeToken(context){
+  if(context.request.args.token){
+    return context.request.args.token;
+  }else if (context.request.headersIn['gcube-token']){
+    return context.request.headersIn['gcube-token'];
+  }
+  return null;
+}
+
+function buildAccountingRecord(context){
+  const t = (new Date()).getTime()
+  return {
+    "recordType": "ServiceUsageRecord",
+    "operationCount": 1,
+    "creationTime": t,
+    "callerHost": context.request.remoteAddress,
+    "serviceClass": "Application",
+    "callerQualifier": "TOKEN",
+    "consumerId": context.userinfo.result.username,
+    "aggregated": true,
+    "serviceName": "REL",
+    "duration": 0,
+    "maxInvocationTime": 0,
+    "scope": "{{ sobigdata_rel_authorized_scopes }}",
+    "host": "{{ sobigdata_rel_service_host }}",
+    "startTime": t,
+    "id": uuid(),
+    "calledMethod": context.request.method + " " + context.request.uri,
+    "endTime": 0,
+    "minInvocationTime": 0,
+    "operationResult": null 
+  }
+}
+
+function closeAccountingRecord(record, success){
+  const t = (new Date()).getTime()
+  record.duration = t - record.startTime
+  record.endTime = t
+  record.minInvocationTime = record.duration
+  record.operationResult = success ? "SUCCESS" : "FAILED";
+}
+
+function uuid() {
+  return 'xxxxxxxx-xxxx-4xxx-8xxx-xxxxxxxxxxxx'.replace(/[x]/g, function (c) {
+    const r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8);
+    return v.toString(16);
+  });
+}
+
+function exportVariable(context, name, value){
+  context.request.variables[name] = value
+  return context
+}

roles/sobigdata-rel/templates/sobigdata-rel-docker-compose.yml.j2

@@ -0,0 +1,28 @@
+version: '3.6'
+
+networks:
+  {{ sobigdata_rel_docker_network }}:
+
+services:
+  sobigdata-rel:
+    image: {{ sobigdata_rel_docker_server_image }}
+    networks:
+      - {{ sobigdata_rel_docker_network }}
+    command: '{{ sobigdata_rel_docker_command }}'
+    volumes:
+      - /nfs/sobigdata_rel/data/generic:/workspace/generic
+      - /nfs/sobigdata_rel/data/wiki:/workspace/wiki
+    deploy:
+      mode: replicated
+      replicas: 1
+      endpoint_mode: dnsrr
+      placement:
+        constraints: [node.role == worker]
+      restart_policy:
+        condition: on-failure
+        delay: 5s
+        max_attempts: 5
+        window: 120s
+    logging:
+      driver: 'journald'
+

run.sh

@@ -0,0 +1,87 @@
+#!/bin/bash
+#
+# The "directory/directory.yml" is the old way that we used to simplify jobs execution.
+# The "directory/site.yml" is the syntax used by roles (from ansible version 1.2)
+#
+# Otherwise we can directly execute a single play (file)
+#
+
+PAR=50
+TIMEOUT=15
+PLAY=site.yml
+PLAY_DIR="$( pwd )"
+ANSIBLE_HOSTS=
+
+export TMPDIR=/var/tmp/${USER}
+if [ ! -d "${TMPDIR}" ] ; then
+    mkdir -p "${TMPDIR}"
+fi
+
+if [ -f ../ansible.cfg ] ; then
+    export ANSIBLE_CONFIG="../ansible.cfg"
+fi
+if [ -f ./ansible.cfg ] ; then
+    export ANSIBLE_CONFIG="./ansible.cfg"
+fi
+
+# No cows!
+export ANSIBLE_NOCOWS=1
+
+export ANSIBLE_ERROR_ON_UNDEFINED_VARS=True
+export ANSIBLE_HOST_KEY_CHECKING=False
+export ANSIBLE_LIBRARY="/usr/share/ansible:./modules:../modules:$ANSIBLE_LIBRARY"
+
+# This check is not correct anymore.
+# if [ ! "$(python -m ara.setup.callback_plugins)" ] ; then
+#     echo "the ARA plugin is missing. Run 'sudo pip install ara' on your machine"
+#     exit 1
+# fi
+# if [ ! "$(python -m ara.setup.action_plugins)" ] ; then
+#     echo "the ARA plugin is missing. Run 'sudo pip install ara' on your machine"
+#     exit 1
+# fi
+
+PLAY_OPTS="-T $TIMEOUT -f $PAR"
+
+if [ -f "$1"  ] ; then
+    PLAY=$1
+elif [ ! -f "$PLAY" ] ; then
+    echo "No play file available."
+    exit 1
+fi
+
+if [  -f "${PLAY}" ] ; then
+    MAIN="${PLAY}"
+    shift
+elif [ -f "${PLAY}.yml" ]; then
+    MAIN="${PLAY}.yml"
+    shift
+fi
+
+if [ -f "${PLAY_DIR}/hosts" ] ; then
+    ANSIBLE_HOSTS=${PLAY_DIR}/hosts
+fi
+if [ -f "${PLAY_DIR}/inventory/hosts" ] ; then
+    ANSIBLE_HOSTS=${PLAY_DIR}/inventory/hosts
+fi
+if [ -n "$ANSIBLE_HOSTS" ] ; then
+   PLAY_OPTS="-i $ANSIBLE_HOSTS"
+fi
+
+#echo "Find vault encrypted files if any"
+if [ -d ./group_vars ] ; then
+    VAULT_GROUP_FILES=$( find ./group_vars -name \*vault\* )
+fi
+if [ -d ./host_vars ] ; then
+    VAULT_HOST_FILES=$( find ./host_vars -name \*vault\* )
+fi
+ 
+if [ -n "$VAULT_GROUP_FILES" ] || [ -n "$VAULT_HOST_FILES" ] ; then
+    # Vault requires a password.
+    # To encrypt a password for a user: python -c "from passlib.hash import sha512_crypt; print sha512_crypt.encrypt('<password>')"
+    echo "There are password protected encrypted files, we will ask for password before proceeding"
+    PLAY_OPTS="$PLAY_OPTS --ask-vault-pass"
+fi
+
+# Main
+ansible-playbook $PLAY_OPTS $MAIN $@

site.yml

@@ -0,0 +1,6 @@
+---
+- hosts: sobigdata_rel
+  serial: 1
+  roles:
+    - { role: sobigdata-rel }
+