some stack refactoring

added miniconda and worked on the Dockerfile and ansible playbooks.

Makefile

@@ -1,4 +1,4 @@
-PY?=python3
+PY?=~/miniconda3/bin/python
 PELICAN?=pelican
 PELICANOPTS=
 

ansible/library/conda.py

@@ -0,0 +1,278 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+DOCUMENTATION = """
+---
+module: conda
+short_description: Manage Python libraries via conda
+description:
+  >
+    Manage Python libraries via conda.
+    Can install, update, and remove packages.
+author: Synthicity
+notes:
+  >
+    Requires conda to already be installed.
+    Will look under the home directory for a conda executable.
+options:
+  name:
+    description: The name of a Python library to install
+    required: true
+    default: null
+  version:
+    description: A specific version of a library to install
+    required: false
+    default: null
+  state:
+    description: State in which to leave the Python package
+    required: false
+    default: present
+    choices: [ "present", "absent", "latest" ]
+  channels:
+    description: Extra channels to use when installing packages
+    required: false
+    default: null
+  executable:
+    description: Full path to the conda executable
+    required: false
+    default: null
+  extra_args:
+    description: Extra arguments passed to conda
+    required: false
+    default: null
+"""
+
+EXAMPLES = """
+- name: install numpy via conda
+  conda: name=numpy state=latest
+
+- name: install scipy 0.14 via conda
+  conda: name=scipy version="0.14"
+
+- name: remove matplotlib from conda
+  conda: name=matplotlib state=absent
+"""
+
+from distutils.spawn import find_executable
+import os.path
+
+
+def _find_conda(module, executable):
+    """
+    If `executable` is not None, checks whether it points to a valid file
+    and returns it if this is the case. Otherwise tries to find the `conda`
+    executable in the path. Calls `fail_json` if either of these fail.
+
+    """
+    if not executable:
+        conda = find_executable('conda')
+        if conda:
+            return conda
+    else:
+        if os.path.isfile(executable):
+            return executable
+
+    module.fail_json(msg="could not find conda executable")
+
+
+def _add_channels_to_command(command, channels):
+    """
+    Add extra channels to a conda command by splitting the channels
+    and putting "--channel" before each one.
+
+    """
+    if channels:
+        channels = channels.strip().split()
+        dashc = []
+        for channel in channels:
+            dashc.append('--channel')
+            dashc.append(channel)
+
+        return command[:2] + dashc + command[2:]
+    else:
+        return command
+
+
+def _add_extras_to_command(command, extras):
+    """
+    Add extra arguments to a conda command by splitting the arguments
+    on white space and inserting them after the second item in the command.
+
+    """
+    if extras:
+        extras = extras.strip().split()
+        return command[:2] + extras + command[2:]
+    else:
+        return command
+
+
+def _check_installed(module, conda, name):
+    """
+    Check whether a package is installed. Returns (bool, version_str).
+
+    """
+    command = [
+        conda,
+        'list',
+        '^' + name + '$'  # use regex to get an exact match
+    ]
+    command = _add_extras_to_command(command, module.params['extra_args'])
+
+    rc, stdout, stderr = module.run_command(command)
+
+    if rc != 0:
+        return False, None
+
+    version = stdout.strip().split()[-2]
+
+    return True, version
+
+
+def _remove_package(module, conda, installed, name):
+    """
+    Use conda to remove a given package if it is installed.
+
+    """
+    if module.check_mode and installed:
+        module.exit_json(changed=True)
+
+    if not installed:
+        module.exit_json(changed=False)
+
+    command = [
+        conda,
+        'remove',
+        '--yes',
+        name
+    ]
+    command = _add_extras_to_command(command, module.params['extra_args'])
+
+    rc, stdout, stderr = module.run_command(command)
+
+    if rc != 0:
+        module.fail_json(msg='failed to remove package ' + name)
+
+    module.exit_json(changed=True, name=name, stdout=stdout, stderr=stderr)
+
+
+def _install_package(
+        module, conda, installed, name, version, installed_version):
+    """
+    Install a package at a specific version, or install a missing package at
+    the latest version if no version is specified.
+
+    """
+    if installed and (version is None or installed_version == version):
+        module.exit_json(changed=False, name=name, version=version)
+
+    if module.check_mode:
+        if not installed or (installed and installed_version != version):
+            module.exit_json(changed=True)
+
+    if version:
+        install_str = name + '=' + version
+    else:
+        install_str = name
+
+    command = [
+        conda,
+        'install',
+        '--yes',
+        install_str
+    ]
+    command = _add_channels_to_command(command, module.params['channels'])
+    command = _add_extras_to_command(command, module.params['extra_args'])
+
+    rc, stdout, stderr = module.run_command(command)
+
+    if rc != 0:
+        module.fail_json(msg='failed to install package ' + name)
+
+    module.exit_json(
+        changed=True, name=name, version=version, stdout=stdout, stderr=stderr)
+
+
+def _update_package(module, conda, installed, name):
+    """
+    Make sure an installed package is at its latest version.
+
+    """
+    if not installed:
+        module.fail_json(msg='can\'t update a package that is not installed')
+
+    # see if it's already installed at the latest version
+    command = [
+        conda,
+        'update',
+        '--dry-run',
+        name
+    ]
+    command = _add_channels_to_command(command, module.params['channels'])
+    command = _add_extras_to_command(command, module.params['extra_args'])
+
+    rc, stdout, stderr = module.run_command(command)
+
+    if rc != 0:
+        module.fail_json(msg='can\'t update a package that is not installed')
+
+    if 'requested packages already installed' in stdout:
+        module.exit_json(changed=False, name=name)
+
+    # now we're definitely gonna update the package
+    if module.check_mode:
+        module.exit_json(changed=True, name=name)
+
+    command = [
+        conda,
+        'update',
+        '--yes',
+        name
+    ]
+    command = _add_channels_to_command(command, module.params['channels'])
+    command = _add_extras_to_command(command, module.params['extra_args'])
+
+    rc, stdout, stderr = module.run_command(command)
+
+    if rc != 0:
+        module.fail_json(msg='failed to update package ' + name)
+
+    module.exit_json(changed=True, name=name, stdout=stdout, stderr=stderr)
+
+
+def main():
+    module = AnsibleModule(
+        argument_spec={
+            'name': {'required': True, 'type': 'str'},
+            'version': {'default': None, 'required': False, 'type': 'str'},
+            'state': {
+                'default': 'present',
+                'required': False,
+                'choices': ['present', 'absent', 'latest']
+            },
+            'channels': {'default': None, 'required': False},
+            'executable': {'default': None, 'required': False},
+            'extra_args': {'default': None, 'required': False, 'type': 'str'}
+        },
+        supports_check_mode=True)
+
+    conda = _find_conda(module, module.params['executable'])
+    name = module.params['name']
+    state = module.params['state']
+    version = module.params['version']
+
+    installed, installed_version = _check_installed(module, conda, name)
+
+    if state == 'absent':
+        _remove_package(module, conda, installed, name)
+    elif state == 'present' or (state == 'latest' and not installed):
+        _install_package(
+            module, conda, installed, name, version, installed_version)
+    elif state == 'latest':
+        _update_package(module, conda, installed, name)
+
+
+# import module snippets
+from ansible.module_utils.basic import *
+
+if __name__ == '__main__':
+    main()

ansible/roles/miniconda/tasks/main.yml

@@ -0,0 +1,12 @@
+---
+- name: download miniconda
+  get_url:
+    url: https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86.sh
+    dest: /tmp/miniconda.sh
+    mode: 0755
+
+- name: install miniconda
+  command: bash /tmp/miniconda.sh -b -f
+  args:
+    creates: ~/miniconda3/bin/conda
+  become: no

ansible/vagrant.yml

@@ -1,6 +1,9 @@
 ---
 - hosts: all
 
+  roles:
+    - miniconda
+
   tasks:
 
     - name: install deps
@@ -9,14 +12,6 @@
         state=present
       with_items:
         - git
-        - ansible
-        - python3
-        - python3-dev
-        - python3-pip
-        - python-virtualenv
-        - libxml2-dev
-        - libxslt1-dev
-        - zlib1g-dev
         - lftp
         - pandoc
         - nodejs
@@ -25,30 +20,25 @@
         - mc
         - imagemagick
         - ack-grep
-      sudo: yes
+      become: yes
 
-    - name: clone batcave
-      git:
-        repo=https://github.com/xsteadfastx/batcave.git
-        dest=~/batcave
-
-    - name: run batcave
-      command:
-        ansible-playbook -i hosts base.yml -c local
-        chdir=~/batcave
+    - name: install conda packages
+      conda:
+        name={{ item }}
+        executable=/home/vagrant/miniconda3/bin/conda
+      with_items:
+        - jupyter=1.0.0
 
     - name: install blogging packages
       pip:
         name={{ item }}
-        executable=pip3
+        executable=/home/vagrant/miniconda3/bin/pip
       with_items:
         - pelican==3.6.3
         - markdown
-        - ipython[notebook]==2.4.1
         - beautifulsoup4
         - cookiecutter==1.2.1
         - tzlocal
-      sudo: yes
 
     - name: clone pelican-plugins
       git:
@@ -56,26 +46,6 @@
         dest=/vagrant/pelican-plugins
         accept_hostkey=yes
 
-    - name: set timezone
-      copy:
-        content="Europe/Berlin"
-        dest=/etc/timezone
-        owner=root
-        group=root
-        mode=0644
-        backup=yes
-      sudo: yes
-      notify:
-        - update timezone
-
-    - name: export variables
-      lineinfile:
-        dest=~/.zshrc
-        line="{{ item }}"
-      with_items:
-        - export PYTHONIOENCODING=UTF-8
-        - export LC_ALL=C.UTF-8
-
     - name: install js packages
       npm:
         name={{ item }}
@@ -88,9 +58,49 @@
         - gulp-less
         - gulp-minify-css
 
+    - name: set timezone
+      copy:
+        content="Europe/Berlin"
+        dest=/etc/timezone
+        owner=root
+        group=root
+        mode=0644
+        backup=yes
+      become: yes
+      notify:
+        - update timezone
+
+    - name: create ansible environment
+      command: /home/vagrant/miniconda3/bin/conda create -n ansible python=2.7 --yes
+      args:
+        creates: /home/vagrant/miniconda3/envs/ansible
+
+    - name: install ansible
+      pip:
+        name=ansible
+        executable=/home/vagrant/miniconda3/envs/ansible/bin/pip
+
+    - name: clone batcave
+      git:
+        repo=https://github.com/xsteadfastx/batcave.git
+        dest=~/batcave
+
+    - name: run batcave
+      command:
+        /home/vagrant/miniconda3/envs/ansible/bin/ansible-playbook -i hosts base.yml -c local
+        chdir=~/batcave
+
+    - name: export variables
+      lineinfile:
+        dest=~/.zshrc
+        line="{{ item }}"
+      with_items:
+        - export PYTHONIOENCODING=UTF-8
+        - export LC_ALL=C.UTF-8
+
   handlers:
 
     - name: update timezone
       command:
         dpkg-reconfigure --frontend moninteractive tzdata
-      sudo: yes
+      become: yes

vagrant/Dockerfile

@@ -6,36 +6,25 @@ ENV LANGUAGE en_US:en
 ENV LC_ALL en_US.UTF-8
 
 RUN apt-get update \
-    && apt-get install -y \
-        software-properties-common \
-        python-software-properties \
-    
-    && add-apt-repository "deb http://archive.ubuntu.com/ubuntu trusty universe" \
-    
-    && apt-get update \
-    && apt-get install -y \
-        openssh-server \
-        supervisor
+ && apt-get install -y \
+    openssh-server \
+ && rm -rf /var/lib/apt/lists/*
 
-RUN mkdir -p /var/run/sshd
-RUN chmod 0755 /var/run/sshd
+RUN mkdir -p /var/run/sshd \
+ && chmod 0755 /var/run/sshd
 
 # Create and configure vagrant user
 RUN useradd --create-home -s /bin/bash vagrant
-WORKDIR /home/vagrant
 
 # Configure SSH access
-RUN mkdir -p /home/vagrant/.ssh
-RUN echo "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFHzD8+v1I2YJ6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoPkcmF0aYet2PkEDo3MlTBckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2hMNG0zQPyUecp4pzC6kivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NOTd0jMZEnDkbUvxhMmBYSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcWyLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQ== vagrant insecure public key" > /home/vagrant/.ssh/authorized_keys
-RUN chown -R vagrant: /home/vagrant/.ssh
-RUN echo -n 'vagrant:vagrant' | chpasswd
+RUN mkdir -p /home/vagrant/.ssh \
+ && echo "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFHzD8+v1I2YJ6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoPkcmF0aYet2PkEDo3MlTBckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2hMNG0zQPyUecp4pzC6kivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NOTd0jMZEnDkbUvxhMmBYSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcWyLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQ== vagrant insecure public key" > /home/vagrant/.ssh/authorized_keys \
+ && chown -R vagrant: /home/vagrant/.ssh \
+ && echo -n 'vagrant:vagrant' | chpasswd
 
 # Enable passwordless sudo for the "vagrant" user
-RUN echo 'vagrant ALL=(ALL) NOPASSWD: ALL' > /etc/sudoers.d/vagrant
-RUN chmod 0440 /etc/sudoers.d/vagrant
-
-# Supervisor
-COPY supervisord.conf /etc/supervisor/conf.d/supervisord.conf
+RUN echo 'vagrant ALL=(ALL) NOPASSWD: ALL' > /etc/sudoers.d/vagrant \
+ && chmod 0440 /etc/sudoers.d/vagrant
 
 EXPOSE 22
-CMD ["/usr/bin/supervisord"]
+CMD ["/usr/sbin/sshd", "-D", "-o", "UseDNS=no", "-o", "UsePAM=no"]