36 lines
1.9 KiB
Bash
36 lines
1.9 KiB
Bash
nodes_wait 60 || true
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# ans CMD: run CMD as greg in his project directory.
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ans() { timeout 180 runuser -l greg -c "cd ~/ansible && $*" </dev/null; }
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OUT=$LAB_STATE/check.out
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# members GROUP: the hosts in GROUP and its child groups, sorted, on one line.
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members() {
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ans ansible-inventory -i inventory --list 2>/dev/null | python3 -c 'import json, sys
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d = json.load(sys.stdin)
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def hosts(g):
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v = d.get(g, {})
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return set(v.get("hosts", [])).union(*[hosts(c) for c in v.get("children", [])])
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print(" ".join(sorted(hosts(sys.argv[1]))))' "$1"
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}
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under_all() { ans ansible-inventory -i inventory --list 2>/dev/null | python3 -c 'import json, sys
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sys.exit(0 if {"webservers", "dbservers"} <= set(json.load(sys.stdin)["all"].get("children", [])) else 1)'; }
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answer_has() { grep -qw "$2" "/root/lab-answers/$1" 2>/dev/null; }
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task 1 "An inventory with node1 and node2 in webservers and node3 in dbservers"
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need "/home/greg/ansible/inventory exists" '[ -e /home/greg/ansible/inventory ]'
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need "webservers holds node1 and node2, and only those" '[ "$(members webservers)" = "node1 node2" ]'
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need "dbservers holds node3, and only it" '[ "$(members dbservers)" = node3 ]'
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need "both groups are directly under @all" under_all
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task 2 "Every host answers the ping module"
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need "ansible all -m ping gets pong from node1, node2 and node3" 'ans ansible all -o -m ansible.builtin.ping >"$OUT"; for n in node1 node2 node3; do grep -Eq "^$n \| SUCCESS.*pong" "$OUT" || exit 1; done'
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task 3 "tree on the webservers, and only there"
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need "tree is installed on node1" 'in_node node1 rpm -q tree'
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need "tree is installed on node2" 'in_node node2 rpm -q tree'
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need "tree is not installed on node3, which isn't a webserver" '! in_node node3 rpm -q tree'
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task 4 "The hosts matched by all:!dbservers, in /root/lab-answers/4"
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need "/root/lab-answers/4 names node1 and node2" 'answer_has 4 node1 && answer_has 4 node2'
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need "/root/lab-answers/4 doesn't name node3" '! answer_has 4 node3'
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rm -f "$OUT"
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