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authorbinary <me@rgoncalves.se>2020-11-08 20:56:18 +0100
committerbinary <me@rgoncalves.se>2020-11-08 20:56:18 +0100
commite15d9acbd07c1ecb6e6c6b24f547b60f7d92ebaf (patch)
treeef0130c97f594ca7d57676c9e1d027724211fba8 /roles/vmm
parent605d9efb0ad2734278d8bdb5f9e0862d8e0a1a7e (diff)
downloadinfrastructure-e15d9acbd07c1ecb6e6c6b24f547b60f7d92ebaf.tar.gz
Add working script for ssh init on alpine vm
Diffstat (limited to 'roles/vmm')
-rw-r--r--roles/vmm/files/init_vm_serial.py88
-rw-r--r--roles/vmm/tasks/boot_alpine.yml43
-rw-r--r--roles/vmm/tasks/generate_vmconf.yml21
-rw-r--r--roles/vmm/tasks/init_hypervisor.yml1
-rw-r--r--roles/vmm/tasks/init_vm.yml26
-rw-r--r--roles/vmm/templates/vm.conf.j221
-rw-r--r--roles/vmm/vars/main.yml8
7 files changed, 154 insertions, 54 deletions
diff --git a/roles/vmm/files/init_vm_serial.py b/roles/vmm/files/init_vm_serial.py
new file mode 100644
index 0000000..46e34d7
--- /dev/null
+++ b/roles/vmm/files/init_vm_serial.py
@@ -0,0 +1,88 @@
+#!/bin/python3
+
+import serial
+import subprocess
+import sys
+import os
+
+import time
+
+
+USAGE = f"USAGE: {sys.argv[0]} vm_guest gate ip mask ssh_key"
+
+
+def send_cmd(ser, delay, cmd):
+ ser.write(f"{cmd}\n".encode("utf-8"))
+ time.sleep(delay)
+
+def send_cmds(ser, cmds):
+ for cmd in cmds:
+ send_cmd(ser, cmd[0], cmd[1])
+
+
+def main():
+
+ COM = "/dev/"
+ BAUD = 115200
+ TIMEOUT = 1
+
+ if len(sys.argv) != 7:
+ sys.stderr.write(USAGE)
+ sys.exit(1)
+
+ GUEST = "vm-tmp"
+ HOST = sys.argv[1]
+
+ cmd = f"vmctl show | grep {GUEST} | tr -s ' ' | cut -d ' ' -f7"
+ _buffer = subprocess.check_output(cmd, shell=True).decode().rstrip()
+ print(_buffer)
+
+ if _buffer == "":
+ sys.exit(1)
+ COM += _buffer
+
+ IP = sys.argv[2]
+ GATE = sys.argv[3]
+ MASK = sys.argv[4]
+ DNS = sys.argv[5]
+ SSHKEY = sys.argv[6]
+
+ ser = serial.Serial(COM, BAUD, timeout=TIMEOUT)
+
+ send_cmd(ser, 1, "root")
+
+ # virtual interface
+ send_cmds(ser, [
+ [1, "setup-interfaces"],
+ [1, ""],
+ [1, f"{IP}"],
+ [1, f"{MASK}"],
+ [1, f"{GATE}"],
+ [1, "no"],
+ [1, "ifdown -a"],
+ [10, "ifup -a"]
+ ])
+
+ # dns
+ send_cmds(ser, [
+ [1, "setup-dns"],
+ [1, f"{HOST}"],
+ [1, f"{DNS}"]
+ ])
+
+ # ssh
+ send_cmds(ser, [
+ [5, "apk add openssh"],
+ [1, "mkdir /root/.ssh"],
+ [1, f"echo '{SSHKEY}' > /root/.ssh/authorized_keys"],
+ [1, f"echo 'PermitRootLogin yes' >> /etc/ssh/sshd_config"],
+ [1, "/etc/init.d/sshd restart"]
+ ])
+
+ ser.close()
+
+ print(COM)
+
+
+if __name__ == "__main__":
+ main()
diff --git a/roles/vmm/tasks/boot_alpine.yml b/roles/vmm/tasks/boot_alpine.yml
deleted file mode 100644
index da4e91e..0000000
--- a/roles/vmm/tasks/boot_alpine.yml
+++ /dev/null
@@ -1,43 +0,0 @@
-
-# vmm ~~ tasks/boot_alpine.yml
-# Boot an alpine image and init its installation set.
-# Required :
-# - guest : vm to be be bootup and initialized
-
----
-
-- name: Check arguments
- fail:
- msg: "arguments : guest"
- when: guest is not defined
-
-- set_fact:
- iso: "{{ hostvars[guest].iso }}"
- disk_file : "{{ vmm.disk.dir }}/{{ guest }}.{{ vmm.disk.format }}"
-
-- include: set_facts.yml
-
-- name: Start vm
- shell: |
- vmctl stop dummy
- sleep 2
- vmctl start -d {{ iso_latest | quote }} \
- -d {{ disk_file | quote }} \
- -n {{ vmm.config.switch.name | quote }} \
- -m {{ hostvars[guest].memory | quote }} dummy
-
- sleep 2
- tty=$(vmctl show | grep dummy | tr -s " " " " | cut -d " " -f 7)
- sleep 20
-
- cat << EOF > /dev/${tty}
- echo "mkdir /root/.ssh"
- echo "echo $(cat /root/.ssh/authorized_keys) > /root/.ssh/authorized_keys" > /dev/ttyp1
- echo "apk add openssh ; rc-update add sshd ; /etc/init.d/sshd start" /dev/${tty}
- EOF
-
- exit 0
-
- args:
- executable: /bin/sh
-
diff --git a/roles/vmm/tasks/generate_vmconf.yml b/roles/vmm/tasks/generate_vmconf.yml
index c4e80d8..e8f8245 100644
--- a/roles/vmm/tasks/generate_vmconf.yml
+++ b/roles/vmm/tasks/generate_vmconf.yml
@@ -4,13 +4,26 @@
---
+- name: Start ip forwarding
+ shell: sysctl net.inet.ip{{ item }}.forwarding=1
+ loop:
+ - ""
+ - "6"
+
+- name: Enable ip forwarding
+ lineinfile:
+ path: /etc/sysctl.conf
+ regexp: "^net.inet.ip{{ item }}.forwarding="
+ line: "net.inet.ip{{ item }}.forwarding=1"
+ loop:
+ - ""
+ - "6"
+
- name: Create network switch
- template:
- src: templates/hostname.j2
- dest: "/etc/hostname.{{ vmm.switch.interface }}"
+ shell: echo "add {{ hypervisor.interface }}" > /etc/hostname.{{ vmm.switch.iface }}
- name: Start network switch
- shell: "sh /etc/netstart {{ vmm.switch.interface }}"
+ shell: "sh /etc/netstart {{ vmm.switch.iface }}"
- name: Generate vmm configuration
template:
diff --git a/roles/vmm/tasks/init_hypervisor.yml b/roles/vmm/tasks/init_hypervisor.yml
index c963bbb..b206279 100644
--- a/roles/vmm/tasks/init_hypervisor.yml
+++ b/roles/vmm/tasks/init_hypervisor.yml
@@ -10,3 +10,4 @@
- include: generate_vmconf.yml guest="{{ item }}"
loop: "{{ hostvars[ansible_host] }}.vm.hosts"
+
diff --git a/roles/vmm/tasks/init_vm.yml b/roles/vmm/tasks/init_vm.yml
new file mode 100644
index 0000000..4ded177
--- /dev/null
+++ b/roles/vmm/tasks/init_vm.yml
@@ -0,0 +1,26 @@
+
+# vmm ~~ tasks/init_vm.yml
+
+---
+
+- include_role:
+ name: serial
+
+- set_fact:
+
+
+- name: Init vm via script
+ script: init_vm_serial.py \
+ {{ guest }} \
+ {{ hostvars[guest].ip.out }} \
+ {{ hypervisor.gateway }} \
+ {{ hypervisor.mask }} \
+ {{ _i.dns[0] }} \
+ "{{ lookup('file', inventory_dir + '/files/pubkeys/rgoncalves.pub') }}"
+ args:
+ executable: "/usr/local/bin/python3"
+ register: rg
+
+- name: Installation result
+ debug:
+ var: rg.stdout_lines
diff --git a/roles/vmm/templates/vm.conf.j2 b/roles/vmm/templates/vm.conf.j2
index 2665c16..f9fa6f5 100644
--- a/roles/vmm/templates/vm.conf.j2
+++ b/roles/vmm/templates/vm.conf.j2
@@ -1,8 +1,22 @@
#jinja2: trim_blocks: True, lstrip_blocks: True
+# vm configuration ~~ /etc/vm.conf
+# managed by Ansible
+
+# ====================== #
+# virtual network switch
+# ====================== #
+
+switch "{{ vmm.switch.name }}" {
+ interface {{ vmm.switch.iface }}
+}
+
+# ============================ #
+# virtual machines declaration
+# ============================ #
+
{% for vm in vms if hostvars[vm.name] is defined %}
{% set guest = hostvars[vm.name] %}
-
vm "{{ guest.ansible_host }}" {
{% if vm.enabled and vm.enabled is defined %}
enable
@@ -15,8 +29,5 @@ vm "{{ guest.ansible_host }}" {
switch "{{ vmm.switch.name }}"
}
}
-{% endfor %}
-switch "{{ vmm.switch.name }}" {
- interface {{ vmm.switch.interface }}
-}
+{% endfor %}
diff --git a/roles/vmm/vars/main.yml b/roles/vmm/vars/main.yml
index 8119c88..8ad57a0 100644
--- a/roles/vmm/vars/main.yml
+++ b/roles/vmm/vars/main.yml
@@ -13,11 +13,15 @@ vmm:
disk_format: "qcow2"
config_file: "/etc/vm.conf"
+
+ viface:
+ iface: "vether0"
+ ip: "192.168.10.1"
+ mask: "255.255.255.0"
switch:
+ iface: "bridge0"
name: "uplink"
- interface: "bridge0"
- interface_host: "bnx0"
iso:
remember that computers suck.