Class: RakeCompilerDock::DockerCheck
- Inherits:
-
Object
- Object
- RakeCompilerDock::DockerCheck
show all
- Includes:
- Colors
- Defined in:
- lib/rake_compiler_dock/docker_check.rb
Constant Summary
Constants included
from Colors
Colors::ColorMap, Colors::ESC, Colors::NND
Instance Attribute Summary collapse
Instance Method Summary
collapse
Methods included from Colors
#colored, #disable_colors, #enable_colors
Constructor Details
Returns a new instance of DockerCheck.
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# File 'lib/rake_compiler_dock/docker_check.rb', line 9
def initialize(io)
@io = io
if !io.tty? || (RUBY_PLATFORM=~/mingw|mswin/ && RUBY_VERSION[/^\d+/] < '2')
disable_colors
else
enable_colors
end
docker_version
unless ok?
b2d_version
if b2d_avail?
io.puts
io.puts yellow("boot2docker is available, but not ready to use. Trying to start.")
b2d_init
if b2d_init_ok?
b2d_start
docker_version
end
end
end
end
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Instance Attribute Details
#io ⇒ Object
Returns the value of attribute io.
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# File 'lib/rake_compiler_dock/docker_check.rb', line 7
def io
@io
end
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Instance Method Details
#b2d_avail? ⇒ Boolean
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# File 'lib/rake_compiler_dock/docker_check.rb', line 54
def b2d_avail?
@b2d_version_status == 0 && @b2d_version_text =~ /version/
end
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#b2d_init ⇒ Object
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# File 'lib/rake_compiler_dock/docker_check.rb', line 58
def b2d_init
system("boot2docker init") rescue SystemCallError
@b2d_init_status = $?.exitstatus
end
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#b2d_init_ok? ⇒ Boolean
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# File 'lib/rake_compiler_dock/docker_check.rb', line 63
def b2d_init_ok?
@b2d_init_status == 0
end
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#b2d_start ⇒ Object
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# File 'lib/rake_compiler_dock/docker_check.rb', line 67
def b2d_start
@b2d_start_text = `boot2docker start` rescue SystemCallError
@b2d_start_status = $?.exitstatus
@b2d_start_envset = false
if @b2d_start_status == 0
io.puts @b2d_start_text
@b2d_start_text.scan(/(unset |Remove-Item Env:\\)(.+?)$/) do |_, key|
ENV.delete(key)
@b2d_start_envset = true
end
@b2d_start_text.scan(/(export |\$Env:)(.+?)(=| = ")(.*?)(|\")$/) do |_, key, _, val, _|
ENV[key] = val
@b2d_start_envset = true
end
end
if @b2d_start_envset
io.puts yellow("Using above environment variables for starting rake-compiler-dock.")
end
end
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#b2d_start_has_env? ⇒ Boolean
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# File 'lib/rake_compiler_dock/docker_check.rb', line 93
def b2d_start_has_env?
@b2d_start_envset
end
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#b2d_start_ok? ⇒ Boolean
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# File 'lib/rake_compiler_dock/docker_check.rb', line 89
def b2d_start_ok?
@b2d_start_status == 0
end
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#b2d_version ⇒ Object
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# File 'lib/rake_compiler_dock/docker_check.rb', line 49
def b2d_version
@b2d_version_text = `boot2docker version 2>&1` rescue SystemCallError
@b2d_version_status = $?.exitstatus
end
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#docker_client_avail? ⇒ Boolean
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# File 'lib/rake_compiler_dock/docker_check.rb', line 45
def docker_client_avail?
@docker_version_text =~ /version/
end
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#docker_version ⇒ Object
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# File 'lib/rake_compiler_dock/docker_check.rb', line 36
def docker_version
@docker_version_text = `docker version 2>&1` rescue SystemCallError
@docker_version_status = $?.exitstatus
end
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#help_text ⇒ Object
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# File 'lib/rake_compiler_dock/docker_check.rb', line 97
def help_text
help = []
if !ok? && docker_client_avail? && !b2d_avail?
help << red("Docker client tools work, but connection to the local docker server failed.")
case RUBY_PLATFORM
when /linux/
help << yellow("Please make sure the docker daemon is running.")
help << ""
help << yellow("On Ubuntu/Debian:")
help << " sudo service docker start"
help << yellow("or")
help << " sudo service docker.io start"
help << ""
help << yellow("On Fedora/Centos/RHEL")
help << " sudo systemctl start docker"
help << ""
help << yellow("On SuSE")
help << " sudo systemctl start docker"
help << ""
help << yellow("Then re-check with '") + white("docker version") + yellow("'")
help << yellow("or have a look at the FAQs: http://git.io/vtD2Z")
else
help << yellow(" Please check why '") + white("docker version") + yellow("' fails")
help << yellow(" or have a look at the FAQs: http://git.io/vtD2Z")
end
elsif !ok? && !b2d_avail?
case RUBY_PLATFORM
when /mingw|mswin/
help << red("Docker is not available.")
help << yellow("Please download and install boot2docker:")
help << yellow(" https://github.com/boot2docker/windows-installer/releases")
when /linux/
help << red("Docker is not available.")
help << ""
help << yellow("Install on Ubuntu/Debian:")
help << " sudo apt-get install docker.io"
help << ""
help << yellow("Install on Fedora/Centos/RHEL")
help << " sudo yum install docker"
help << " sudo systemctl start docker"
help << ""
help << yellow("Install on SuSE")
help << " sudo zypper install docker"
help << " sudo systemctl start docker"
when /darwin/
help << red("Docker is not available.")
help << yellow("Please download and install boot2docker:")
help << yellow(" https://github.com/boot2docker/osx-installer/releases")
else
help << red("Docker is not available.")
end
elsif !ok? && !b2d_init_ok?
help << red("boot2docker is installed but couldn't be initialized.")
help << ""
help << yellow(" Please check why '") + white("boot2docker init") + yellow("' fails")
help << yellow(" or have a look at the FAQs: http://git.io/vtDBH")
elsif !ok? && !b2d_start_ok?
help << red("boot2docker is installed but couldn't be started.")
help << ""
help << yellow(" Please check why '") + white("boot2docker start") + yellow("' fails.")
help << yellow(" You might need to re-init with '") + white("boot2docker delete") + yellow("'")
help << yellow(" or have a look at the FAQs: http://git.io/vtDBH")
elsif !ok? && b2d_start_ok?
help << red("boot2docker is installed and started, but 'docker version' failed.")
help << ""
if b2d_start_has_env?
help << yellow(" Please copy and paste above environment variables to your terminal")
help << yellow(" and check why '") + white("docker version") + yellow("' fails.")
else
help << yellow(" Please check why '") + white("docker version") + yellow("' fails.")
end
help << yellow(" You might need to re-init with '") + white("boot2docker delete") + yellow("'")
help << yellow(" or have a look at the FAQs: http://git.io/vtDBH")
end
help.join("\n")
end
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#ok? ⇒ Boolean
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# File 'lib/rake_compiler_dock/docker_check.rb', line 41
def ok?
@docker_version_status == 0 && @docker_version_text =~ /version/
end
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#print_help_text ⇒ Object
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# File 'lib/rake_compiler_dock/docker_check.rb', line 175
def print_help_text
io.puts(help_text)
end
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