aboutsummaryrefslogtreecommitdiffstats
path: root/contrail-controller/hooks/contrail_controller_utils.py
blob: f5e34847b571302b7839862f3416ba826edee482 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
from socket import inet_aton
import struct

import apt_pkg

from charmhelpers.core.hookenv import (
    config,
    related_units,
    relation_ids,
    relation_get,
    status_set,
    leader_get,
    log,
    open_port,
    local_unit,
)
from charmhelpers.core.templating import render

from common_utils import (
    get_ip,
    decode_cert,
    save_file,
    check_run_prerequisites,
    run_container,
    json_loads,
)


apt_pkg.init()
config = config()


CONTAINER_NAME = "contrail-controller"
CONFIG_NAME = "controller"
SERVICES_TO_CHECK = ["contrail-control", "contrail-api", "contrail-webui"]


def get_controller_ips():
    controller_ips = dict()
    for rid in relation_ids("controller-cluster"):
        for unit in related_units(rid):
            ip = relation_get("unit-address", unit, rid)
            controller_ips[unit] = ip
    # add it's own ip address
    controller_ips[local_unit()] = get_ip()
    return controller_ips


def get_analytics_list():
    analytics_ip_list = []
    for rid in relation_ids("contrail-analytics"):
        for unit in related_units(rid):
            ip = relation_get("private-address", unit, rid)
            analytics_ip_list.append(ip)
    sort_key = lambda ip: struct.unpack("!L", inet_aton(ip))[0]
    analytics_ip_list = sorted(analytics_ip_list, key=sort_key)
    return analytics_ip_list


def get_context():
    ctx = {}
    ctx["auth_mode"] = config.get("auth-mode")
    ctx["cloud_admin_role"] = config.get("cloud-admin-role")
    ctx["global_read_only_role"] = config.get("global-read-only-role")
    ctx.update(json_loads(config.get("orchestrator_info"), dict()))

    ssl_ca = decode_cert("ssl_ca")
    ctx["ssl_ca"] = ssl_ca
    ctx["ssl_cert"] = decode_cert("ssl_cert")
    ctx["ssl_key"] = decode_cert("ssl_key")
    ctx["ssl_enabled"] = (ssl_ca is not None and len(ssl_ca) > 0)

    ctx["db_user"] = leader_get("db_user")
    ctx["db_password"] = leader_get("db_password")

    ctx["rabbitmq_user"] = leader_get("rabbitmq_user")
    ctx["rabbitmq_password"] = leader_get("rabbitmq_password")
    ctx["rabbitmq_vhost"] = leader_get("rabbitmq_vhost")

    ips = json_loads(leader_get("controller_ip_list"), list())
    ctx["controller_servers"] = ips
    ctx["config_seeds"] = ips
    ctx["analytics_servers"] = get_analytics_list()
    log("CTX: " + str(ctx))
    ctx.update(json_loads(config.get("auth_info"), dict()))
    return ctx


def render_config(ctx=None):
    if not ctx:
        ctx = get_context()

    # NOTE: store files in default paths cause no way to pass this path to
    # some of components (sandesh)
    ssl_ca = ctx["ssl_ca"]
    save_file("/etc/contrailctl/ssl/ca-cert.pem", ssl_ca)
    ssl_cert = ctx["ssl_cert"]
    save_file("/etc/contrailctl/ssl/server.pem", ssl_cert)
    ssl_key = ctx["ssl_key"]
    save_file("/etc/contrailctl/ssl/server-privkey.pem", ssl_key)

    render("controller.conf", "/etc/contrailctl/controller.conf", ctx)


def update_charm_status(update_config=True):
    update_config_func = render_config if update_config else None
    result = check_run_prerequisites(CONTAINER_NAME, CONFIG_NAME,
                                     update_config_func, SERVICES_TO_CHECK)
    if not result:
        return

    ctx = get_context()
    missing_relations = []
    if not ctx.get("db_user"):
        # NOTE: Charms don't allow to deploy cassandra in AllowAll mode
        missing_relations.append("contrail-controller-cluster")
    if not ctx.get("analytics_servers"):
        missing_relations.append("contrail-analytics")
    if get_ip() not in ctx.get("controller_servers"):
        missing_relations.append("contrail-cluster")
    if missing_relations:
        status_set('blocked',
                   'Missing relations: ' + ', '.join(missing_relations))
        return
    if not ctx.get("cloud_orchestrator"):
        status_set('blocked',
                   'Missing cloud orchestrator info in relations.')
        return
    if not ctx.get("keystone_ip"):
        status_set('blocked',
                   'Missing auth info in relation with contrail-auth.')
        return
    # TODO: what should happens if relation departed?

    render_config(ctx)
    for port in ("8082", "8080", "8143"):
        open_port(port, "TCP")

    run_container(CONTAINER_NAME, "contrail-control")