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Bird 🐦

Bird - Raku DSL for Linux Servers Verification.

It's written in Raku and exposes pure Raku API.

WARNING ⚠️

Bird is under active development now, things might change.

Build Status

SparrowCI

INSTALL

zef install Bird

Bird uses Sparrow6 plugin ssh-bulk-check to do it's work, so one needs to setup Sparrow6 repository:

export SP6_REPO=http://sparrowhub.io/repo

To run check remotely install ssh-pass:

sudo yum install sshpass

USAGE

Create rules:

cat rules.raku

directory-exists "{%*ENV<HOME>}";

file-exists "{%*ENV<HOME>}/.bashrc";

bash "echo hello > /tmp/bird.tmp";

bash "echo bird >> /tmp/bird.tmp";

file-has-line "/tmp/bird.tmp", "hello", "bird";

file-has-permission "documentation/dsl.md", %( read-all => True );
file-has-permission "bin/bird", %( execute-all => True, read-all => True );

bash "chmod a+r /tmp/bird.tmp";

bash "chmod a+w /tmp/bird.tmp";

file-has-permission "/tmp/bird.tmp", %( write-all => True, read-all => True );

command-has-stdout "echo hello; echo bird", "hello", "bird";

command-exit-code "raku --version", 0;

package-installed "nano";

pip3-package-installed "PyYAML";

file-has-permission "rules.raku", %( read-all => True );

package-installed "nano";

bash "echo username=admin > /tmp/creds.txt; echo password=123 >> /tmp/creds.txt;";

file-data-not-empty "/tmp/creds.txt",
  "username=", "password=";

Run checks against hosts:

bird

bird:: [read hosts from file] [hosts.raku]
bird:: [cmd file] [/root/.bird/274302/cmd.sh]
bird:: [check file] [/root/.bird/274302/state.check]
bird:: [init cmd file]
[bash: echo hello > /tmp/bird.tmp] :: <empty stdout>
[bash: echo bird >> /tmp/bird.tmp] :: <empty stdout>
[bash: chmod a+r /tmp/bird.tmp] :: <empty stdout>
[bash: chmod a+w /tmp/bird.tmp] :: <empty stdout>
[bash: echo username=admin > /tmp/creds.txt; echo passwor ...] :: <empty stdout>
[repository] :: index updated from file:///root/repo/api/v1/index
[check my hosts] :: check host [localhost]
[check my hosts] :: ==========================================================
[check my hosts] :: <<< test_01: directory /root exists
[check my hosts] :: directory /root exists
[check my hosts] :: >>>
[check my hosts] :: <<< test_02: file /root/.bashrc exists
[check my hosts] :: file /root/.bashrc exists
[check my hosts] :: >>>
[check my hosts] :: <<< test_03: file /tmp/bird.tmp has lines
[check my hosts] :: hello
[check my hosts] :: bird
[check my hosts] :: >>>
[check my hosts] :: <<< test_04: file documentation/dsl.md is readable by all
[check my hosts] :: -rw-r--r--
[check my hosts] :: >>>
[check my hosts] :: <<< test_05: file bin/bird is readable by all
[check my hosts] :: -rwxr-xr-x
[check my hosts] :: >>>
[check my hosts] :: <<< test_06: file bin/bird is executable by all
[check my hosts] :: -rwxr-xr-x
[check my hosts] :: >>>
[check my hosts] :: <<< test_07: file /tmp/bird.tmp is readable by all
[check my hosts] :: -rw-rw-rw-
[check my hosts] :: >>>
[check my hosts] :: <<< test_08: file /tmp/bird.tmp is writable by all
[check my hosts] :: -rw-rw-rw-
[check my hosts] :: >>>
[check my hosts] :: <<< test_09: command [echo hello; echo bird] has stdout
[check my hosts] :: hello
[check my hosts] :: bird
[check my hosts] :: >>>
[check my hosts] :: <<< test_10: command [raku --version] has exit code
[check my hosts] :: command [raku --version] exit code [0]
[check my hosts] :: >>>
[check my hosts] :: <<< test_11: package(s) installed
[check my hosts] :: Installed Packages
[check my hosts] :: nano.x86_64                         2.9.8-1.el8                          @baseos
[check my hosts] :: package nano is installed
[check my hosts] :: >>>
[check my hosts] :: <<< test_12: pip3 package(s) installed
[check my hosts] :: PyYAML              3.12
[check my hosts] :: >>>
[check my hosts] :: <<< test_13: file rules.raku is readable by all
[check my hosts] :: -rw-r--r--
[check my hosts] :: >>>
[check my hosts] :: <<< test_14: package(s) installed
[check my hosts] :: Installed Packages
[check my hosts] :: nano.x86_64                         2.9.8-1.el8                          @baseos
[check my hosts] :: package nano is installed
[check my hosts] :: >>>
[check my hosts] :: <<< test_15: file /tmp/creds.txt data not empty
[check my hosts] :: >>> username=[censored]
[check my hosts] :: >>> password=[censored]
[check my hosts] :: >>>
[check my hosts] :: end check host [localhost]
[check my hosts] :: ==========================================================
[task check] verify host [localhost] start
[task check] test_01: directory /root exists
[task check] stdout match (r) <directory /root exists> True
[task check] test_02: file /root/.bashrc exists
[task check] stdout match (r) <file /root/.bashrc exists> True
[task check] test_03: file /tmp/bird.tmp has lines ["hello", "bird"]
[task check] stdout match (r) <hello> True
[task check] stdout match (r) <bird> True
[task check] test_04: file documentation/dsl.md is readable by all
[task check] stdout match (r) <^^^ \S "r"\S\S "r"\S\S "r"\S\S $$> True
[task check] test_05: file bin/bird is readable by all
[task check] stdout match (r) <^^^ \S "r"\S\S "r"\S\S "r"\S\S $$> True
[task check] test_06: file bin/bird is executable by all
[task check] stdout match (r) <^^^ \S  \S\S"x"  \S\S"x" \S\S"x" $$> True
[task check] test_07: file /tmp/bird.tmp is readable by all
[task check] stdout match (r) <^^^ \S "r"\S\S "r"\S\S "r"\S\S $$> True
[task check] test_08: file /tmp/bird.tmp is writable by all
[task check] stdout match (r) <^^^ \S  \S"w"\S  \S"w"\S \S"w"\S $$> True
[task check] test_09: command [echo hello; echo bird] has stdout
[task check] ["hello", "bird"]
[task check] stdout match (r) <hello> True
[task check] stdout match (r) <bird> True
[task check] test_10: command [raku --version] has exit code [0]
[task check] stdout match (r) <command [raku --version] exit code [0]> True
[task check] test_11: package(s) installed "nano"
[task check] stdout match (r) <package nano is installed> True
[task check] test_12: pip3 package(s) installed "PyYAML"
[task check] stdout match (r) <^^ 'PyYAML' \s+> True
[task check] test_13: file rules.raku is readable by all
[task check] stdout match (r) <^^^ \S "r"\S\S "r"\S\S "r"\S\S $$> True
[task check] test_14: package(s) installed "nano"
[task check] stdout match (r) <package nano is installed> True
[task check] test_15: file /tmp/creds.txt data not empty ["username=", "password="]
[task check] stdout match (r) <^^ '>>>'> True
[task check] <>>> username=[censored] is not empty> True
[task check] <>>> password=[censored] is not empty> True
[task check] verify host [localhost] end

Rules DSL

Rules DSL is special language to validate states of Linux host.

This is just plain Raku functions:

file-exists "{%*ENV<HOME>}/.bashrc";

The full list of DSL functions available here.

Ssh hosts

There are two ways to set ssh hosts:

Command line

By using --host, --user, --password options:

bird --host=192.168.0.1 --user=alex --password=PasSword

Hosts.raku

To define dynamic hosts configuration, use hosts.raku, this should be Raku script that returns @Array of hosts:

[
  '192.168.0.1',
  'foo.bar.baz',
  # so on
]

For example:

use Sparrow6::DSL;

my %state = task-run "worker nodes", "ambari-hosts", %(
  ambari_host  => 'cluster.fqdn.host',
  admin => 'super-jack',
  password => 'PaSsWord123',
  cluster => "cluster01",
  node_type => "worker",
);

%state<hosts><>.map: { %i<ip> }

cli options

  • --rules

Path to rules file. If not set rules.pl in cwd is taken

  • --password

Ssh password. Optional

  • --user

Ssh user. Optional

  • --host

Ssh host. Optional, see also hosts.raku

  • --nocolor

Disable color output. Optional

  • --debug

Debug mode (produce a lot of useful, but low level info). Optional

Examples

See:

  • rules.raku file

  • rules/ folder

Author

Alexey Melezhik

See Also

Thanks to

God Who inspires me in my life!

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Bird - Alternative to Chef Inspec and Goss, written in Raku.

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