X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FOyster%2FProvision%2FRackspace.pm;h=d9627296f0f9fc7e39c4892fe79f4bf48609d373;hb=a92449de4172e1f7e8d6de63545cfa40e43a4e84;hp=34cb8bdbfc41d837a246c1123c6d238a3a9425dd;hpb=3ded63474d7f715bb3c6be48ad6c39cb63f726df;p=p5sagit%2FOyster.git

diff --git a/lib/Oyster/Provision/Rackspace.pm b/lib/Oyster/Provision/Rackspace.pm
index 34cb8bd..d962729 100644
--- a/lib/Oyster/Provision/Rackspace.pm
+++ b/lib/Oyster/Provision/Rackspace.pm
@@ -1,19 +1,191 @@
 package Oyster::Provision::Rackspace;
 use Moose::Role;
+use Net::RackSpace::CloudServers;
+use Net::RackSpace::CloudServers::Server;
+use MIME::Base64;
+
+# TODO http://failverse.com/manually-creating-a-cloud-server-from-a-cloud-files-image/
+# in order to use an already created image to build the server, a la EC2 way
 
 requires 'config';
 
+has 'api_username' => ( is => 'ro', isa => 'Str', required => 1, lazy => 1, default => sub {
+    my $self = shift;
+    return $ENV{CLOUDSERVERS_USER} if exists $ENV{CLOUDSERVERS_USER};
+    return $self->config->{api_username}
+        or die "Need api_username or CLOUDSERVERS_USER in environment";
+});
+
+has 'api_password' => ( is => 'ro', isa => 'Str', required => 1, lazy => 1, default => sub {
+    my $self = shift;
+    return $ENV{CLOUDSERVERS_KEY} if exists $ENV{CLOUDSERVERS_KEY};
+    return $self->config->{api_password}
+        or die "Need api_password or CLOUDSERVERS_KEY in environment";
+});
+
+has '_rs' => ( is => 'rw', isa => 'Net::RackSpace::CloudServers', lazy => 1, default => sub {
+    my $self = shift;
+    my $rs = eval {
+        Net::RackSpace::CloudServers->new(
+            user => $self->api_username,
+            key  => $self->api_password,
+        );
+    };
+    if ( $@ ) {
+        die
+            "Could not instantiate a backend connection to RackSpace CloudServers.\n",
+            "Check the api_username and api_password on the configuration file\n";
+    }
+    $rs;
+});
+
 sub create {
    my $self = shift;
 
-   $self->config();
+   die "Rackspace Provisioning backend requires a server name\n" if !defined $self->name;
+
+   # Do nothing if the server named $self->name already exists
+   return if scalar grep { $_->name eq $self->name } $self->_rs->get_server();
+
+   # Validate size and image
+   {
+       die "Rackspace Provisioning backend requires a server image\n"  if !defined $self->image;
+       my @allowed_images = $self->_rs->get_image();
+       my $image_id = $self->image;
+       if ( !scalar grep { $_->{id} eq $image_id } @allowed_images ) {
+           die "Rackspace Provisioning backend requires a valid image id\nValid images:\n",
+               (map { sprintf("id %-10s -- %s\n", $_->{id}, $_->{name}) } @allowed_images),
+               "\n";
+       }
+
+       die "Rackspace Provisioning backend requires a server size\n"  if !defined $self->size;
+       my @allowed_flavors = $self->_rs->get_flavor();
+       my $flavor_id = $self->size;
+       if ( !scalar grep { $_->{id} eq $flavor_id } @allowed_flavors ) {
+           die "Rackspace Provisioning backend requires a valid size id\nValid flavors:\n",
+               (map { sprintf("id %-10s -- %s\n", $_->{id}, $_->{name}) } @allowed_flavors),
+               "\n";
+       }
+   }
+
+   # Check the ssh pub key exists and is <10K
+   die "SSH pubkey needs to exist" if !-f $self->pub_ssh;
+   my $pub_ssh = do {
+       local $/=undef;
+       open my $fh, '<', $self->pub_ssh or die "Cannot open ", $self->pub_ssh, ": $!";
+       my $_data = <$fh>;
+       close $fh or die "Cannot close ", $self->pub_ssh, ": $!";
+       $_data;
+   };
+   die "SSH pubkey needs to be < 10KiB" if length $pub_ssh > 10*1024;
+
+   # Build the server
+   my $server = Net::RackSpace::CloudServers::Server->new(
+      cloudservers => $self->_rs,
+      name         => $self->name,
+      flavorid     => $self->size,
+      imageid      => $self->image,
+      personality => [
+           {
+               path     => '/root/.ssh/authorized_keys',
+               contents => encode_base64($pub_ssh),
+           },
+      ],
+   );
+   my $newserver = $server->create_server;
+   warn "Server root password: ", $newserver->adminpass, "\n";
+
+   do {
+      $|=1;
+      my @tmpservers = $self->_rs->get_server_detail();
+      $server = ( grep { $_->name eq $self->name } @tmpservers )[0];
+      print "\rServer status: ", ($server->status || '?'), " progress: ", ($server->progress || '?');
+      if ( ( $server->status // '' ) ne 'ACTIVE' ) {
+        print " sleeping..";
+        sleep 2;
+      }
+   } while ( ( $server->status // '' ) ne 'ACTIVE' );
+
+   warn "Server public IPs are: @{$server->public_address}\n";
+   my $public_ip  = (@{$server->public_address})[0];
+   my $servername = sprintf("oyster-%s", $self->name);
+
+   # Adds the server's name to the user's ~/.ssh/config
+   # using oyster-servername
+   {
+       open my $fh, '>>', "$ENV{HOME}/.ssh/config"
+           or die "Error opening $ENV{HOME}/.ssh/config for appending: $!";
+       my $template = "\nHost %s\n" .
+           "    User root\n" .
+           "    Port 22\n" .
+           "    Compression yes\n" .
+           "    HostName %s\n" .
+           "\n";
+       print $fh sprintf($template, $servername, $public_ip);
+       close $fh or die "Error closing $ENV{HOME}/.ssh/config: $!";
+   }
+
+   # Connect to server and execute installation routines -- unlike EC2 each
+   # server needs instantiated from scratch every time
+   warn "Initializing the server...";
+   $self->initialise();
+
+   warn "Deploying the application...";
+   $self->deploy();
+}
+
+sub initialise {
+    my $self = shift;
+    my $servername = sprintf("oyster-%s", $self->name);
+
+    # Adds the server's key to the user's ~/.ssh/authorized_keys
+    # FIXME there must be a better way?!
+    warn "Adding SSH key for $servername to ~/.ssh/authorized_keys\n";
+    qx{/usr/bin/ssh -o StrictHostKeyChecking=no -l root $servername 'echo oyster'};
+
+    # FIXME should call the module which does the installation...
+    warn "Installing wget, lighttpd and git...\n";
+    print qx{/usr/bin/ssh -l root $servername 'LC_ALL=C /usr/bin/apt-get install --yes wget lighttpd git git-core'};
+    print qx{/usr/bin/ssh -l root $servername 'LC_ALL=C /usr/sbin/service lighttpd stop'};
+    warn "Adding user perloyster...\n";
+    print qx{/usr/bin/ssh -l root $servername 'LC_ALL=C /usr/sbin/adduser --disabled-password --gecos "Perl Oyster" perloyster'};
+    warn "Copying keys to ~perloyster...\n";
+    print qx{/usr/bin/ssh -l root $servername 'LC_ALL=C /bin/mkdir ~perloyster/.ssh/'};
+    print qx{/usr/bin/ssh -l root $servername 'LC_ALL=C /bin/cp ~/.ssh/authorized_keys ~perloyster/.ssh/'};
+    print qx{/usr/bin/ssh -l root $servername 'LC_ALL=C /bin/chown --recursive perloyster ~perloyster/.ssh/'};
+    warn "Making perloyster readable...\n";
+    print qx{/usr/bin/ssh -l perloyster $servername 'LC_ALL=C /bin/chmod a+r ~perloyster/'};
+    #warn "Installing cpanminus...\n";
+    #print qx{/usr/bin/ssh -l perloyster $servername 'LC_ALL=C /usr/bin/wget --no-check-certificate http://xrl.us/cpanm ; chmod +x cpanm'};
+    #warn "Installing prerequisites for Oyster::Deploy::Git...\n";
+    #print qx{/usr/bin/ssh -l perloyster $servername 'LC_ALL=C ./cpanm --local-lib=~/perl5 App::cpanminus Dist::Zilla'};
+    warn "Getting and unpacking base system...\n";
+    print qx{/usr/bin/ssh -l perloyster $servername 'LC_ALL=C /usr/bin/wget --no-check-certificate https://darkpan.com/files/oyster-prereqs-20101122-2217.tgz'};
+    print qx{/usr/bin/ssh -l perloyster $servername 'LC_ALL=C /bin/tar xvf oyster-prereqs-20101122-2217.tgz'};
+    print qx{/usr/bin/ssh -l perloyster $servername 'LC_ALL=C /bin/echo export PERL5LIB="/home/perloyster/perl5/lib/perl5:/home/perloyster/perl/lib/perl5/x86_64-linux-gnu-thread-multi" >> ~/.bashrc'};
+    print qx{/usr/bin/ssh -l perloyster $servername 'LC_ALL=C /bin/echo export PATH="/home/perloyster/perl5/bin:\$PATH" >> ~/.bashrc'};
+
+    warn "Pushing and unpacking Oyster::Deploy::Git...\n";
+    print qx{/usr/bin/ssh -l perloyster $servername 'LC_ALL=C /bin/mkdir -p perl5/lib/perl5/Oyster/Deploy'};
+    print qx{/usr/bin/scp lib/Oyster/Deploy/Git.pm perloyster\@$servername:perl5/lib/perl5/Oyster/Deploy/};
 }
 
+sub deploy {
+    my $self = shift;
+    my $servername = sprintf("oyster-%s", $self->name);
+    warn "Deploying application to $servername...\n";
+    print qx{/usr/bin/ssh -l perloyster $servername "perl -MOyster::Deploy::Git -le'\$g=Oyster::Deploy::Git->new;\$g->deploy(q,/home/perloyster/oyster,)'"};
+}
 
 sub delete {
    my $self = shift;
 
-   $self->config();
+   # Die if the server named $self->name already exists
+   my ($server) = grep { $_->name eq $self->name } $self->_rs->get_server();
+   die "No such server: ", $self->name if !$server;
+
+   # Goodbye cruel user!
+   $server->delete_server();
 }
 
 sub resize {
@@ -23,3 +195,107 @@ sub resize {
 }
 
 1;
+
+__END__
+
+=head1 NAME
+
+Oyster::Provision::Rackspace -- Provision your Oyster on Rackspace
+
+=head1 SYNOPSIS
+
+Use the Rackspace backend on your Oyster configuration file
+
+=head1 REQUIRED PARAMETERS
+
+The following are required to instantiate a backend:
+
+=over
+
+=item api_username
+
+The rackspace API username, or C<$ENV{RACKSPACE_USER}> will be used if that is
+not given
+
+=item api_password
+
+This is your rackspace API Key
+
+The rackspace API key, or C<$ENV{RACKSPACE_KEY}> will be used if that is not
+given
+
+=item name
+
+The name of your new/existing rackspace server.
+
+=item size
+
+The size ID of the rackspace server you want to create.
+Use the following incantation to see them:
+
+    perl -MNet::RackSpace::CloudServers -e'
+        $r=Net::RackSpace::CloudServers->new(
+            user=>$ENV{CLOUDSERVERS_USER},
+            key=>$ENV{CLOUDSERVERS_KEY},
+        );
+        print map
+            { "id $_->{id} ram $_->{ram} disk $_->{disk}\n" }
+            $r->get_flavor_detail
+    '
+    id 1 ram 256 disk 10
+    id 2 ram 512 disk 20
+    id 3 ram 1024 disk 40
+    id 4 ram 2048 disk 80
+    id 5 ram 4096 disk 160
+    id 6 ram 8192 disk 320
+    id 7 ram 15872 disk 620
+
+=item image
+
+The image ID of the rackspace server you want to create.
+Use the following incantation to see them:
+
+    perl -MNet::RackSpace::CloudServers -e'
+        $r=Net::RackSpace::CloudServers->new(
+            user=>$ENV{CLOUDSERVERS_USER},
+            key=>$ENV{CLOUDSERVERS_KEY},
+        );
+        print map
+            { "id $_->{id} name $_->{name}\n" }
+            $r->get_image_detail
+    '
+    id 29 name Windows Server 2003 R2 SP2 x86
+    id 69 name Ubuntu 10.10 (maverick)
+    id 41 name Oracle EL JeOS Release 5 Update 3
+    id 40 name Oracle EL Server Release 5 Update 4
+    id 187811 name CentOS 5.4
+    id 4 name Debian 5.0 (lenny)
+    id 10 name Ubuntu 8.04.2 LTS (hardy)
+    id 23 name Windows Server 2003 R2 SP2 x64
+    id 24 name Windows Server 2008 SP2 x64
+    id 49 name Ubuntu 10.04 LTS (lucid)
+    id 14362 name Ubuntu 9.10 (karmic)
+    id 62 name Red Hat Enterprise Linux 5.5
+    id 53 name Fedora 13
+    id 17 name Fedora 12
+    id 71 name Fedora 14
+    id 31 name Windows Server 2008 SP2 x86
+    id 51 name CentOS 5.5
+    id 14 name Red Hat Enterprise Linux 5.4
+    id 19 name Gentoo 10.1
+    id 28 name Windows Server 2008 R2 x64
+    id 55 name Arch 2010.05
+
+Oyster only supports Linux images, specifically
+Ubuntu 10.10 (maverick).
+
+=item pub_ssh
+
+The public ssh key you would like copied to the
+new server's C</root/.ssh/authorized_keys> file
+to allow you to ssh in the box without providing
+a root password.
+
+=back
+
+=cut